Add a proper SECURITY.md

Stop result handling after launching KDE Connect so the scan
result screen does not cover its device picker.

CHANGELOG.md

@@ -1,5 +1,350 @@
 # Change Log
 
+## 1.75.1
+* Update ZXingCpp
+* Keep KDE Connect device picker visible
+* Fix URL scan concatenation
+
+## 1.75.0
+* Forward scans with KDE Connect
+* Add default camera preference
+
+## 1.74.3
+* Fix layout for Material You
+
+## 1.74.2
+* Fix layout for some Android versions
+
+## 1.74.1
+* Allow scanning while device is locked
+* Fix rendering bug for some GPUs
+
+## 1.74.0
+* Add an option to choose a custom beep tone
+* Add an option to set a custom scanner ID
+* Improve display of content type
+* Support fido:/ URIs
+* Update Italian and French translations
+* Update ZXingCpp
+* Fix FAB and crop handle positioning
+* Fix splash screen for some Android versions
+
+## 1.73.1
+* Update ZXingCpp and support Telepen format
+* Update vdstools
+* Fix stale history row highlighting
+
+## 1.73.0
+* Support Material You and Dynamic Colors
+* Strip common tracking parameters before opening scanned URLs
+* Parse and display otpauth:// code fields
+* Update Italian and Latvian language
+* Update BouncyCastle and vdstools library
+* Fix deeplink argument parsing
+
+## 1.72.2
+* Import/export preferences using QR codes
+* Add predefined expert and simple profiles
+* Update ZXingCpp library
+* Fix beeping on scans
+
+## 1.72.1
+* Fix migrating DATA_BAR entries
+* Italian language update
+
+## 1.72.0
+* Improve result screen
+* Update vdstools
+* Fix camera initialization
+
+## 1.71.0
+* Parse VDS and IDB barcodes
+* Restrict scanning to horizontal crosshair if set
+* Include barcode format in history search
+* Add a dedicated barcode icon for PDF417
+* Add barcode format descriptions
+* Fix handling deep links
+* Fix detecting web URLs
+
+## 1.70.0
+* Add barcode format icons in history
+* Add beep audio stream preference
+* Parse EPC-QR codes and show the data
+* Improve layout of decode screen
+* Fix parsing first field of subfile in IDLParser
+* Use quiet zone from ZXingCpp
+* Italian language update
+
+## 1.69.1
+* Update translations
+
+## 1.69.0
+* Add an option to show crosshairs
+* Add preference for codes that should not be saved
+* Add option to restrict searching to a specific format
+* Pin history items
+* Improve preference icons
+* Optimize vector drawables
+* Fix beeping when phone is set to Vibrate mode
+
+## 1.68.7
+* Add icons to preferences screen
+* Update history listing on resume
+* Fix quiet zone for recreated barcodes
+* Fix automatic screen brightening
+* Migrate to CameraX
+
+## 1.68.6
+* Update ZXingCpp
+* Ask for confirmation before deleting a scan from the result screen
+
+## 1.68.5
+* Downgrade ZXingCpp for compatibilty
+
+## 1.68.4
+* Fix generating 1D barcodes
+
+## 1.68.3
+* Stability improvement
+
+## 1.68.2
+* Fix barcode regeneration
+
+## 1.68.1
+* Improve UI of search barcode dialog
+* Stability improvements
+* Update ZXingCpp
+* Update Russian translation
+
+## 1.68.0
+* Add automated actions
+* Improve managing profiles
+
+## 1.67.1
+* Fix opening file:// Uris
+* Fix auto-return/immediate opening
+* Improve Bluetooth stability
+
+## 1.67.0
+* Add preference profiles
+* Support regex when searching for a barcode
+* Improve feedback when searching for a barcode
+* Update translations
+
+## 1.66.2
+* Remove forcing `?content=` on forwarding URL
+* Update Spanish translation
+
+## 1.66.1
+* Show elements of invalid Wifi configurations too
+* Update translations
+
+## 1.66.0
+* Support deep links to encode content via web links
+* Parse International Driver Licenses (IDL) in PDF417 barcodes
+* Add WiFis from system settings
+* Show parsed data items
+* Update translations
+
+## 1.65.2
+* Sanity check ROI metrics
+
+## 1.65.1
+* Improve simple mode
+* Remember quiet zone settings
+* Reduce height for 1D barcodes
+* Add execute argument for binaryeye://encode
+* Update Russian translation
+
+## 1.65.0
+* Add a welcome screen to choose a mode
+* Add a deep link to encode a barcode
+* Remember zoom level of generated barcodes
+* Remove Human Readable Interpretation (HRI) decoration
+* Update Italian translation
+
+## 1.64.2
+* Separate crop window settings for image scanning
+* Fix initializing dataMask
+* Update Russian translation
+
+## 1.64.1
+* Handle empty input for recreation
+* Fix setting up database
+
+## 1.64.0
+* Find barcode by content
+* Immediately replace toasts
+* Use detected barcode for recreation
+* Show data mask of QR Codes
+* Fix deep linking
+* Replace margin with quiet zone switch when generating barcodes
+* Update Russian translation
+* Update Portuguese (Brazil) translation
+
+## 1.63.13
+* Fix UTF-8 conversion of binary escape sequences when creating barcodes
+* Fix scan order for intervals under one second
+* Add arabic translation
+* Update French translation
+
+## 1.63.12
+* Fix magnifying barcode recreation
+
+## 1.63.11
+* Update parcel tracking URL
+* Update multiple translations
+* Only ask for barcode size when exporting/sharing
+
+## 1.63.10
+* Use maximum brightness when showing a generated barcode
+* Allow file input from share menu
+* Update multiple translations
+
+## 1.63.9
+* Export/share as JPEG
+* Ignore "URL:" before URLs in barcode content
+* Fix exporting/sharing multiple history items
+* Update multiple translations
+
+## 1.63.8
+* Add an option to show a checksum for the decoded content
+* Add support for encoding escape sequences for non-printable characters
+* Update Italian translation
+
+## 1.63.7
+* Update ZXingCpp for Aztec Runes
+* Update Italian translation
+
+## 1.63.6
+* Add history shortcut
+* Return Codabar start/stop codes
+* Update French, Russian, Spanish and Ukrainian translations
+
+## 1.63.5
+* Add an option to ignore any duplicates
+* Fix invalid bluetooth connection
+* Update Russian translation
+* Update Ukrainian translation
+
+## 1.63.4
+* Update Chinese translation
+* Improve support for old devices
+
+## 1.63.3
+* Fix SCAN Intent
+
+## 1.63.2
+* Add DX Film Edge barcode format
+* Update Turkish translation
+* Update Ukrainian translation
+
+## 1.63.1
+* Include scan label in exports/shares
+* Update Russian translation
+
+## 1.63.0
+* Edit scan label in decoding screen
+* Add a button to add generated codes to the history
+* Improve scanning from images
+* Improve asking for camera permission
+* Fix margin for recreated barcodes
+* Limit duration of error beep to 1s
+* Update Ukrainian translation
+* Update Spanish translation
+
+## 1.62.3
+* Extend selection with single taps in history listing
+* Update Brazilian Portuguese translation
+
+## 1.62.2
+* Include rMQR Code for updates
+
+## 1.62.1
+* Make rMQR Code selectable
+
+## 1.62.0
+* Add support for rMQR (rectangular Micro QR) Code
+* Share history as a file
+* Only share selected scans from history
+
+## 1.61.2
+* Fix quick settings tile for Android 14
+* Fix Xiaomi MIUI lockscreen barcode shortcut
+* Update French translation
+* Update Czech translation
+* Update Russian translation
+
+## 1.61.1
+* Share scanned contents as a file
+* Recreate binary barcodes too
+* Add Bulgarian translation and Brave search engine
+* Update Russian translation
+* Fix general format restriction from preferences
+
+## 1.61.0
+* Support encoding binary data
+* Add margin parameter for encoding
+* Add copying binary data as hex dump
+* Fix parsing TYPE argument in VCARDs
+* Update Russian translation
+* Update Brazilian Portuguese translation
+* Update Ukrainian translation
+* Update Chinese translation
+
+## 1.60.3
+* Fix saving custom language
+* Update Brazilian Portuguese translation
+* Update Chinese translation
+* Update Czech localisation
+* Update Russian translation
+* Update Italian language
+
+## 1.60.2
+* Expand escape sequences in encoding input
+* Update Taiwan translation
+
+## 1.60.1
+* Support sending scans via bluetooth
+* Fix resolving error correction level for recreation
+* Improve asset image compression
+* Update ZXing C++
+* Update Italian translation
+* Update Russian translation
+
+## 1.59.0
+* Add setting error correction for AZTEC/PDF417
+* Fix setting error correction level for QR Codes
+* Make error beeps follow beep settings too
+* Don't close the app when cameras is unavailable
+
+## 1.58.2
+* Fix parsing WiFi network suggestions
+
+## 1.58.1
+* Update zh-rCn translation
+* Fix monochrome launcher icon
+
+## 1.58.0
+* Improve detection of inverted barcodes
+* Optionally allow duplicates in bulk scan
+* Add Danish translation
+* Update Italian translation
+* Update Japanese translation
+* Update Russian translation
+* Fix charset decoding for PDF 417
+* Fix monochrome icon
+
+## 1.57.0
+* Add optional audio feedback for scanning
+* Allow removing individual WiFi network suggestions
+* Recognize incomplete and malformed WiFi barcodes
+* Fix using shared text for encoding
+* Add Korean language
+* Update Chinese translation
+* Update Português/Brasil translation
+* Update Russian translation
+
 ## 1.56.3
 * Fix parsing URLs in barcodes
 * Update French, Portuguese, Turkish and Taiwan translation

CONTRIBUTING.md

@@ -16,5 +16,10 @@ to squash when merging into master:
 Then write a [good commit message][commit_messages] to keep the history
 meaningful and useful. One feature, one commit.
 
+## Translations
+
+For translations use [Toolate][toolate].
+
 [android_best_practices]: https://developer.android.com/distribute/best-practices/develop/
-[commit_messages]: https://juffalow.com/other/write-good-git-commit-message
+[commit_messages]: https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines
+[toolate]: https://toolate.othing.xyz/projects/binaryeye/

Makefile

@@ -5,10 +5,10 @@ all: debug install start
 debug:
 	./gradlew assembleDebug
 
-release: lint
+release: lint test
 	./gradlew assembleRelease
 
-bundle: lint
+bundle: lint test
 	./gradlew bundleRelease
 
 lint:
@@ -28,11 +28,36 @@ testscan:
 		-c android.intent.category.BROWSABLE \
 		-d 'binaryeye://scan/?ret=http%3A%2F%2Fmarkusfisch.de%2F%3Fresult%3D{RESULT}'
 
+testencode:
+	adb shell am start -a android.intent.action.VIEW \
+		-c android.intent.category.BROWSABLE \
+		-d 'binaryeye://encode?content=Test\&format=QR_CODE'
+
+testencodenotqr:
+	adb shell am start -a android.intent.action.VIEW \
+		-c android.intent.category.BROWSABLE \
+		-d 'binaryeye://encode?content=Test\&format=DATA_MATRIX'
+
+testencodeexec:
+	adb shell am start -a android.intent.action.VIEW \
+		-c android.intent.category.BROWSABLE \
+		-d 'binaryeye://encode?content=Test\&format=QR_CODE\&execute'
+
+testencodeurl:
+	adb shell am start -a android.intent.action.VIEW \
+		-c android.intent.category.BROWSABLE \
+		-d 'http://markusfisch.de/encode?content=Test\&format=QR_CODE'
+
 testurl:
 	adb shell am start -a android.intent.action.VIEW \
 		-c android.intent.category.BROWSABLE \
 		-d 'http://markusfisch.de/BinaryEye?ret=http%3A%2F%2Fmarkusfisch.de%2F%3Fresult%3D{RESULT}'
 
+testxiaomi:
+	adb shell am start -a android.intent.action.VIEW \
+		-c android.intent.category.BROWSABLE \
+		-d 'market://details?id=com.xiaomi.scanner'
+
 install:
 	adb $(TARGET) install -r app/build/outputs/apk/debug/app-debug.apk
 

PRIVACY.md

@@ -12,10 +12,17 @@ hesitate to contact me.
 Required to add a WiFi network from a barcode (usually a QR Code).
 
 Before Android Q, this feature requires using
-[WifiManager.getConfiguredNetworks][configuredNetworks]
+[WifiManager.getConfiguredNetworks][getConfiguredNetworks]
 which requires `ACCESS_FINE_LOCATION`.
 
-On Android Q an better, this permission is not requested nor required.
+On Android Q and better, this permission is not requested nor required.
+
+### [BLUETOOTH][BLUETOOTH], [BLUETOOTH_ADMIN][BLUETOOTH_ADMIN] and [BLUETOOTH_CONNECT][BLUETOOTH_CONNECT]
+
+Required to optionally forward scans to a Bluetooth device.
+
+[BLUETOOTH][BLUETOOTH] and [BLUETOOTH_ADMIN][BLUETOOTH_ADMIN] are required
+before Android S. [BLUETOOTH_CONNECT][BLUETOOTH_CONNECT] from Android S on.
 
 ### [CAMERA][CAMERA]
 
@@ -46,15 +53,23 @@ which requires `CHANGE_WIFI_STATE`.
 Required to add a WiFi network from a barcode (usually a QR Code).
 
 Before Android Q, this feature requires using
-[WifiManager.getConfiguredNetworks][configuredNetworks]
+[WifiManager.getConfiguredNetworks][getConfiguredNetworks]
 which requires `ACCESS_WIFI_STATE`.
 
+From Android R, `ACCESS_WIFI_STATE` is required for
+[WifiManager.getNetworkSuggestions][getNetworkSuggestions]
+which is used to remove individual network suggestions.
+
 [ACCESS_FINE_LOCATION]: https://developer.android.com/reference/android/Manifest.permission#ACCESS_FINE_LOCATION
+[BLUETOOTH]: https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH
+[BLUETOOTH_ADMIN]: https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_ADMIN
+[BLUETOOTH_CONNECT]: https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT
 [CAMERA]: https://developer.android.com/reference/android/Manifest.permission#CAMERA
 [INTERNET]: https://developer.android.com/reference/android/Manifest.permission#INTERNET
 [VIBRATE]: https://developer.android.com/reference/android/Manifest.permission#VIBRATE
 [WRITE_EXTERNAL_STORAGE]: https://developer.android.com/reference/android/Manifest.permission#WRITE_EXTERNAL_STORAGE
 [CHANGE_WIFI_STATE]: https://developer.android.com/reference/android/Manifest.permission#CHANGE_WIFI_STATE
 [ACCESS_WIFI_STATE]: https://developer.android.com/reference/android/Manifest.permission#ACCESS_FINE_LOCATION
-[configuredNetworks]: https://developer.android.com/reference/android/net/wifi/WifiManager#getConfiguredNetworks()
+[getConfiguredNetworks]: https://developer.android.com/reference/android/net/wifi/WifiManager#getConfiguredNetworks()
 [addNetworkSuggestions]: https://developer.android.com/reference/android/net/wifi/WifiManager#addNetworkSuggestions(java.util.List%3Candroid.net.wifi.WifiNetworkSuggestion%3E)
+[getNetworkSuggestions]: https://developer.android.com/reference/android/net/wifi/WifiManager#getNetworkSuggestions()

README.md

@@ -2,7 +2,7 @@
 
 Yet another barcode scanner for Android. As if there weren't [enough][play].
 
-This one is free, without any ads and open source.
+This one is free, without any ads, and open source.
 
 Works in portrait and landscape orientation, can read inverted codes,
 comes in Material Design and can also generate barcodes.
@@ -10,6 +10,23 @@ comes in Material Design and can also generate barcodes.
 Binary Eye uses the [ZXing-C++][zxing_cpp] ("Zebra Crossing") barcode
 scanning library.
 
+If you find this app useful and wish to support its continued development,
+you can [buy me a coffee](https://www.buymeacoffee.com/markusfisch) or
+send some Bitcoin decimals to `bc1q2guk2rpll587aymrfadkdtpq32448x5khk5j8z`.
+
+<a href="https://www.buymeacoffee.com/markusfisch" target="_blank"><img
+	src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png"
+	alt="Buy Me A Coffee"
+	style="height: 60px !important;width: 217px !important;"/></a>&nbsp;<a
+	href="https://liberapay.com/markusfisch/" target="_blank"><img
+	src="https://liberapay.com/assets/widgets/donate.svg"
+	alt="Liberapay"
+	style="height: 60px !important"/></a>&nbsp;<a
+	href="https://ko-fi.com/markusfisch" target="_blank"><img
+	src="https://storage.ko-fi.com/cdn/brandasset/kofi_s_tag_dark.png"
+	alt="Ko-fi"
+	style="height: 60px !important"/></a>
+
 ## Screenshots
 
 <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screencap-scanning.png"
@@ -36,13 +53,16 @@ ZXing can read the following barcode formats:
 * [CODE 93][code_93]
 * [CODE 128][code_128]
 * [DATA MATRIX][data_matrix]
+* [DX FILM EDGE][dx_film_edge]
 * [EAN 8][ean_8]
 * [EAN 13][ean_13]
 * [ITF][itf]
 * [MAXICODE][maxicode] (partial)
 * [PDF417][pdf417]
+* [Telepen][telepen]
 * [QR CODE][qr_code]
 * [Micro QR Code][micro_qr_code]
+* [rMQR Code][rmqr_code]
 * [RSS 14][rss]
 * [RSS EXPANDED][rss]
 * [UPC A][upc_a]
@@ -64,14 +84,14 @@ ZXing can generate the following barcode formats:
 * [QR CODE][qr_code]
 * [UPC A][upc_a]
 
-## Deep Links and Intents
-
-### Deep Links
+## Deep Links
 
 You can invoke Binary Eye with a web URI intent from anything that can
-open URIs. There are two options:
+open URIs.
 
-1. [binaryeye://scan](binaryeye://scan)
+### Decoding
+
+1. [binaryeye://scan](binaryeye://scan) (note: GitHub does not render this as clickable link)
 2. [http(s)://markusfisch.de/BinaryEye](http://markusfisch.de/BinaryEye)
 
 If you want to get the scanned contents, you can add a `ret` query
@@ -84,12 +104,33 @@ Supported symbols are:
 * `RESULT` - scanned content
 * `RESULT_BYTES` - raw result as a hex string
 * `FORMAT` - barcode format
-* `META` - the meta data, if available
+
+### Encoding
+
+1. [binaryeye://encode](binaryeye://encode)
+
+You can use the URL arguments `content` and `format` to automatically
+preset this data. For example:
+
+1. [binaryeye://encode?content=Test&format=QR_CODE](binaryeye://encode?content=Test&format=QR_CODE)
+2. [http(s)://markusfisch.de/encode?content=Test&format=QR_CODE](http://markusfisch.de/encode?content=Test&format=QR_CODE)
+3. [http(s)://markusfisch.de/encode?content=Test&format=DATA_MATRIX](http://markusfisch.de/encode?content=Test2&format=DATA_MATRIX&execute)
+
+If you want the code to be generated immediately, add `execute=true` (or
+just `execute`).
+
+## Intents
+
+You can also use Binary Eye from other apps by using an [Intent][intent].
+
+If you prefer to integrate a barcode scanner into your app, take a look at
+[BarcodeScannerView][barcode_scanner_view] (if you also want to use
+[ZXing-C++][zxing_cpp]) or read how to
+[scan barcodes with ML Kit on Android][mlkit_barcode_scanning].
 
 ### SCAN Intent
 
-You can also use Binary Eye from other apps by using the
-`com.google.zxing.client.android.SCAN` Intent with
+Use the `com.google.zxing.client.android.SCAN` `Intent` with
 [startActivityForResult()][start_activity] like this:
 
 ```kotlin
@@ -121,10 +162,12 @@ If you're using AndroidX, this would be the new,
 [recommended way][intent_result]:
 
 ```kotlin
-class YourActivity : Activity() {
-	private val resultLauncher = registerForActivityResult(StartActivityForResult()) { result ->
-		if (result.resultCode == Activity.RESULT_OK) {
-			val scan = result.data?.getStringExtra("SCAN_RESULT")
+class YourActivity : AppCompatActivity() {
+	private val resultLauncher = registerForActivityResult(
+		ActivityResultContracts.StartActivityForResult()
+	) { result ->
+		if (result.resultCode == RESULT_OK) {
+			val content = result.data?.getStringExtra("SCAN_RESULT")
 			…
 		}
 	}
@@ -135,6 +178,21 @@ class YourActivity : Activity() {
 }
 ```
 
+## Forwarding scans via Bluetooth
+
+**Note:** The companion apps aren't developed nor maintained by the
+author of Binary Eye.
+
+In order to set up Bluetooth forwarding to a computer:
+
+1. Pair your devices (phone and pc) if not paired already
+2. Download and run a companion app:
+	- Windows: https://github.com/KamaleiZestri/BinaryReceptor
+	- Linux: https://github.com/sean666888/bin_eye_bt_receiver
+3. In the settings of Binary Eye, enable "Forward scans with Bluetooth"
+	and select the appropriate target host device that is running the
+	companion application.
+
 [play]: https://play.google.com/store/search?q=barcode%20scanner&c=apps
 [zxing_cpp]: https://github.com/zxing-cpp/zxing-cpp
 [kotlin]: http://kotlinlang.org/
@@ -144,17 +202,23 @@ class YourActivity : Activity() {
 [code_93]: https://en.wikipedia.org/wiki/Code_93
 [code_128]: https://en.wikipedia.org/wiki/Code_128
 [data_matrix]: https://en.wikipedia.org/wiki/Data_Matrix
+[dx_film_edge]: https://en.wikipedia.org/wiki/DX_encoding
 [ean_8]: https://en.wikipedia.org/wiki/EAN-8
 [ean_13]: https://en.wikipedia.org/wiki/International_Article_Number
 [itf]: https://en.wikipedia.org/wiki/Interleaved_2_of_5
 [maxicode]: https://en.wikipedia.org/wiki/MaxiCode
 [pdf417]: https://en.wikipedia.org/wiki/PDF417
+[telepen]: https://en.wikipedia.org/wiki/Telepen
 [qr_code]: https://en.wikipedia.org/wiki/QR_code
 [micro_qr_code]: https://en.wikipedia.org/wiki/QR_code#Micro_QR_code
+[rmqr_code]: https://www.qrcode.com/en/codes/rmqr.html
 [rss]: https://en.wikipedia.org/wiki/GS1_DataBar
 [upc_a]: https://en.wikipedia.org/wiki/Universal_Product_Code
 [upc_e]: https://en.wikipedia.org/wiki/Universal_Product_Code#UPC-E
 [upc_ean]: https://en.wikipedia.org/wiki/Universal_Product_Code#EAN-13
+[intent]: https://developer.android.com/reference/android/content/Intent
+[barcode_scanner_view]: https://github.com/markusfisch/BarcodeScannerView
+[mlkit_barcode_scanning]: https://developers.google.com/ml-kit/vision/barcode-scanning/android
 [start_activity]: https://developer.android.com/reference/android/app/Activity#startActivityForResult(android.content.Intent,%20int)
 [on_activity_result]: https://developer.android.com/reference/android/app/Activity#onActivityResult(int,%20int,%20android.content.Intent)
 [intent_result]: https://developer.android.com/training/basics/intents/result

SECURITY.md

@@ -0,0 +1,19 @@
+# Security Policy
+
+## Supported Versions
+
+Only the latest released version of Binary Eye is supported with
+security updates.
+
+## Reporting a Vulnerability
+
+Please report security vulnerabilities by email to markusfisch.de@gmail.com.
+
+Do not open a public GitHub issue for security reports.
+
+Include enough detail to reproduce the issue, such as affected versions,
+device and Android version, reproduction steps, impact, and any proof of
+concept code or logs.
+
+I will acknowledge valid reports as soon as practical and coordinate a fix
+before public disclosure.

app/build.gradle

@@ -1,16 +1,15 @@
 apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
 
 android {
-	namespace 'de.markusfisch.android.binaryeye'
-	compileSdkVersion sdk_version
+	namespace "de.markusfisch.android.binaryeye"
+	compileSdk sdk_version
 
 	defaultConfig {
-		minSdkVersion 9
-		targetSdkVersion sdk_version
+		minSdk 21
+		targetSdk sdk_version
 
-		versionCode 111
-		versionName '1.56.3'
+		versionCode 176
+		versionName '1.75.1'
 	}
 
 	signingConfigs {
@@ -35,13 +34,17 @@ android {
 		}
 
 		release {
-			proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 			minifyEnabled true
 			shrinkResources true
 			signingConfig signingConfigs.release
 		}
 	}
 
+	buildFeatures {
+		buildConfig true
+	}
+
 	bundle {
 		language {
 			// To make the app bundle contain all language resources
@@ -53,18 +56,41 @@ android {
 			enableSplit = false
 		}
 	}
+
+	// Required since Gradle 8.
+	compileOptions {
+		sourceCompatibility = JavaVersion.VERSION_1_8
+		targetCompatibility = JavaVersion.VERSION_1_8
+	}
 }
 
 dependencies {
-	testImplementation 'junit:junit:4.13.2'
-
+	// Kotlin
 	implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-	implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.1"
-	implementation "com.android.support:appcompat-v7:$support_version"
-	implementation "com.android.support:design:$support_version"
-	implementation "com.android.support:preference-v7:$support_version"
-	implementation "com.android.support:preference-v14:$support_version"
-	implementation 'com.github.markusfisch:CameraView:1.9.1'
-	implementation 'com.github.markusfisch:ScalingImageView:1.4.0'
-	implementation 'com.github.markusfisch:zxing-cpp:v1.4.0.9'
+	implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.11.0"
+	implementation 'org.jetbrains.kotlinx:kotlinx-datetime:0.8.0'
+	implementation "androidx.core:core-ktx:1.17.0" // Keep for minSDK 21.
+
+	// Support
+	implementation "androidx.appcompat:appcompat:1.7.1"
+	implementation "com.google.android.material:material:1.13.0" // Keep for minSDK 21.
+	implementation "androidx.preference:preference:1.2.1"
+
+	// External
+	var camerax_version = '1.4.2' // Keep for minSDK 21.
+	implementation "androidx.camera:camera-core:$camerax_version"
+	implementation "androidx.camera:camera-camera2:$camerax_version"
+	implementation "androidx.camera:camera-lifecycle:$camerax_version"
+	implementation "androidx.camera:camera-view:$camerax_version"
+	implementation 'com.github.markusfisch:ScalingImageView:1.4.3'
+	implementation 'com.github.markusfisch:zxing-cpp:v3.1.0.0'
+	implementation 'de.tsenger:vdstools:0.17.0'
+	implementation 'org.bouncycastle:bcpkix-jdk15to18:1.84'
+
+	// Testing
+	testImplementation 'junit:junit:4.13.2'
+	testImplementation 'org.robolectric:robolectric:4.16.1'
+
+	// Debugging
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.14'
 }

app/proguard-rules.pro

@@ -4,4 +4,4 @@
 
 -keep class android.support.v7.widget.SearchView { *; }
 
--keep class de.markusfisch.android.zxingcpp.** { *; }
+-keep class de.tsenger.vdstools.** { *; }

app/src/main/AndroidManifest.xml

@@ -6,17 +6,22 @@
 		android:xlargeScreens="true"/>
 	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"
 		android:maxSdkVersion="28"/>
+	<uses-permission android:name="android.permission.BLUETOOTH"
+		android:maxSdkVersion="30"/>
+	<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"
+		android:maxSdkVersion="30"/>
+	<uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>
 	<uses-permission android:name="android.permission.CAMERA"/>
 	<uses-permission android:name="android.permission.INTERNET"/>
 	<uses-permission android:name="android.permission.VIBRATE"/>
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
 		android:maxSdkVersion="28"/>
 	<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
-	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"
-		android:maxSdkVersion="28"/>
+	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 	<uses-feature android:name="android.hardware.camera"/>
-	<uses-feature android:name="android.hardware.camera.autofocus"/>
-	<uses-sdk tools:overrideLibrary="android.support.v14.preference"/>
+	<uses-feature android:name="android.hardware.camera.autofocus"
+		android:required="false" />
+	<uses-sdk tools:overrideLibrary="androidx.preference"/>
 	<queries>
 		<intent>
 			<action android:name="android.intent.action.VIEW"/>
@@ -41,7 +46,7 @@
 		android:theme="@style/AppTheme">
 		<activity
 			android:name=".activity.SplashActivity"
-			android:theme="@style/SplashTheme"
+			android:theme="@style/AppTheme"
 			android:exported="true">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN"/>
@@ -58,12 +63,28 @@
 			<intent-filter android:label="@string/compose_barcode">
 				<action android:name="android.intent.action.SEND"/>
 				<category android:name="android.intent.category.DEFAULT"/>
-				<data android:mimeType="text/plain"/>
+				<data android:mimeType="text/*"/>
 			</intent-filter>
 			<intent-filter>
 				<action android:name="com.google.zxing.client.android.SCAN"/>
 				<category android:name="android.intent.category.DEFAULT"/>
 			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<category android:name="android.intent.category.BROWSABLE"/>
+				<data android:host="details" android:scheme="market"
+					android:pathSuffix="id=com.xiaomi.scanner"/>
+			</intent-filter>
+			<intent-filter android:autoVerify="true">
+				<action android:name="android.intent.action.VIEW"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<category android:name="android.intent.category.BROWSABLE"/>
+				<data android:host="markusfisch.de"/>
+				<data android:pathPrefix="/BinaryEye"/>
+				<data android:scheme="http"/>
+				<data android:scheme="https"/>
+			</intent-filter>
 			<intent-filter>
 				<action android:name="android.intent.action.VIEW"/>
 				<category android:name="android.intent.category.DEFAULT"/>
@@ -88,20 +109,64 @@
 			</intent-filter>
 		</activity>
 		<activity
-			android:name=".activity.MainActivity"
+			android:name=".activity.WelcomeActivity"
 			android:exported="true"/>
+		<activity
+			android:name=".activity.PreferencesActivity"
+			android:exported="true"/>
+		<activity
+			android:name=".activity.HistoryActivity"
+			android:exported="true"/>
+		<activity
+			android:name=".activity.EncodeActivity"
+			android:exported="true">
+			<intent-filter android:autoVerify="true">
+				<action android:name="android.intent.action.VIEW"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<category android:name="android.intent.category.BROWSABLE"/>
+				<data android:host="markusfisch.de"/>
+				<data android:pathPrefix="/encode"/>
+				<data android:scheme="http"/>
+				<data android:scheme="https"/>
+			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<category android:name="android.intent.category.BROWSABLE"/>
+				<data android:scheme="binaryeye" android:host="encode"/>
+			</intent-filter>
+		</activity>
+		<activity
+			android:name=".activity.DecodeActivity"
+			android:exported="false"/>
+		<activity
+			android:name=".activity.BarcodeActivity"
+			android:exported="false"/>
+		<activity
+			android:name=".activity.ProfilesActivity"
+			android:exported="false"/>
+		<activity
+			android:name=".activity.AutomatedActionsActivity"
+			android:exported="false"/>
+		<activity
+			android:name=".activity.IgnoreCodesActivity"
+			android:exported="false"/>
+		<activity
+			android:name=".activity.NetworkSuggestionsActivity"
+			android:exported="false"/>
 		<service
 			android:name=".service.ScanTileService"
 			android:icon="@drawable/ic_action_scan"
 			android:label="@string/scan_code"
 			android:exported="true"
-			android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
+			android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
+			tools:targetApi="n">
 			<intent-filter>
 				<action android:name="android.service.quicksettings.action.QS_TILE"/>
 			</intent-filter>
 		</service>
 		<provider
-			android:name="android.support.v4.content.FileProvider"
+			android:name="androidx.core.content.FileProvider"
 			android:authorities="${applicationId}.provider"
 			android:exported="false"
 			android:grantUriPermissions="true">

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/Action.kt

@@ -2,19 +2,21 @@ package de.markusfisch.android.binaryeye.actions
 
 import android.content.Context
 import android.content.Intent
-import de.markusfisch.android.binaryeye.content.execShareIntent
 import de.markusfisch.android.binaryeye.content.openUrl
+import de.markusfisch.android.binaryeye.content.startIntentOrToast
 import de.markusfisch.android.binaryeye.widget.toast
 
-interface IAction {
-	val iconResId: Int
-	val titleResId: Int
+abstract class Action {
+	abstract val iconResId: Int
+	abstract val titleResId: Int
 
-	fun canExecuteOn(data: ByteArray): Boolean
-	suspend fun execute(context: Context, data: ByteArray)
+	var executed: Boolean = false
+
+	abstract fun canExecuteOn(data: ByteArray): Boolean
+	abstract suspend fun execute(context: Context, data: ByteArray)
 }
 
-abstract class IntentAction : IAction {
+abstract class IntentAction : Action() {
 	abstract val errorMsg: Int
 
 	final override suspend fun execute(context: Context, data: ByteArray) {
@@ -22,7 +24,7 @@ abstract class IntentAction : IAction {
 		if (intent == null) {
 			context.toast(errorMsg)
 		} else {
-			context.execShareIntent(intent)
+			executed = context.startIntentOrToast(intent)
 		}
 	}
 
@@ -32,7 +34,7 @@ abstract class IntentAction : IAction {
 	): Intent?
 }
 
-abstract class SchemeAction : IAction {
+abstract class SchemeAction : Action() {
 	abstract val scheme: String
 	open val buildRegex: Boolean = false
 
@@ -50,6 +52,6 @@ abstract class SchemeAction : IAction {
 	}
 
 	final override suspend fun execute(context: Context, data: ByteArray) {
-		context.openUrl(String(data))
+		executed = context.openUrl(String(data))
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/ActionRegistry.kt

@@ -1,5 +1,6 @@
 package de.markusfisch.android.binaryeye.actions
 
+import de.markusfisch.android.binaryeye.actions.fido.FidoAction
 import de.markusfisch.android.binaryeye.actions.mail.MailAction
 import de.markusfisch.android.binaryeye.actions.mail.MatMsgAction
 import de.markusfisch.android.binaryeye.actions.otpauth.OtpauthAction
@@ -12,11 +13,12 @@ import de.markusfisch.android.binaryeye.actions.web.WebAction
 import de.markusfisch.android.binaryeye.actions.wifi.WifiAction
 
 object ActionRegistry {
-	val DEFAULT_ACTION: IAction = OpenOrSearchAction
+	val DEFAULT_ACTION: Action = OpenOrSearchAction
 
-	private val REGISTRY: Set<IAction> = setOf(
+	private val REGISTRY: Set<Action> = setOf(
 		MailAction,
 		MatMsgAction,
+		FidoAction,
 		OtpauthAction,
 		SmsAction,
 		TelAction,
@@ -28,7 +30,7 @@ object ActionRegistry {
 		WebAction
 	)
 
-	fun getAction(data: ByteArray): IAction = REGISTRY.find {
+	fun getAction(data: ByteArray): Action = REGISTRY.find {
 		it.canExecuteOn(data)
 	} ?: DEFAULT_ACTION
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/fido/FidoAction.kt

@@ -0,0 +1,23 @@
+package de.markusfisch.android.binaryeye.actions.fido
+
+import android.content.Context
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.Action
+import de.markusfisch.android.binaryeye.content.openUrl
+
+object FidoAction : Action() {
+	private val fidoUriRegex = "^fido:/[0-9]+$".toRegex(
+		RegexOption.IGNORE_CASE
+	)
+
+	override val iconResId: Int = R.drawable.ic_action_open
+	override val titleResId: Int = R.string.open_url
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return String(data).trim().matches(fidoUriRegex)
+	}
+
+	override suspend fun execute(context: Context, data: ByteArray) {
+		executed = context.openUrl(String(data).trim())
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/mail/MailAction.kt

@@ -2,7 +2,7 @@ package de.markusfisch.android.binaryeye.actions.mail
 
 import android.content.Context
 import android.content.Intent
-import android.net.Uri
+import androidx.core.net.toUri
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.actions.IntentAction
 
@@ -24,7 +24,7 @@ object MailAction : IntentAction() {
 		)?.groupValues?.get(1) ?: return null
 		return Intent(
 			Intent.ACTION_SENDTO,
-			Uri.parse("mailto:$mailWithMessage")
+			"mailto:$mailWithMessage".toUri()
 		)
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/mail/MatMsgAction.kt

@@ -2,7 +2,7 @@ package de.markusfisch.android.binaryeye.actions.mail
 
 import android.content.Context
 import android.content.Intent
-import android.net.Uri
+import androidx.core.net.toUri
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.actions.IntentAction
 
@@ -26,7 +26,7 @@ object MatMsgAction : IntentAction() {
 		}
 		return Intent(
 			Intent.ACTION_SENDTO,
-			Uri.parse("mailto:")
+			"mailto:".toUri()
 		).apply {
 			mm.to?.let {
 				putExtra(Intent.EXTRA_EMAIL, arrayOf(mm.to))

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/search/OpenOrSearchAction.kt

@@ -2,62 +2,65 @@ package de.markusfisch.android.binaryeye.actions.search
 
 import android.content.Context
 import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.actions.IAction
+import de.markusfisch.android.binaryeye.actions.Action
 import de.markusfisch.android.binaryeye.app.alertDialog
 import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.content.openUrl
 import de.markusfisch.android.binaryeye.net.urlEncode
 
-object OpenOrSearchAction : IAction {
+object OpenOrSearchAction : Action() {
 	override val iconResId: Int = R.drawable.ic_action_search
 	override val titleResId: Int = R.string.search_web
 
 	override fun canExecuteOn(data: ByteArray): Boolean = false
 
 	override suspend fun execute(context: Context, data: ByteArray) {
-		view(context, String(data), true)
-	}
-
-	private suspend fun view(
-		context: Context,
-		url: String,
-		search: Boolean
-	) {
-		if (!context.openUrl(url) && search) {
-			openSearch(context, url)
-		}
-	}
-
-	private suspend fun openSearch(context: Context, query: String) {
-		val defaultSearchUrl = prefs.defaultSearchUrl
-		if (defaultSearchUrl.isNotEmpty()) {
-			view(
-				context,
-				defaultSearchUrl + query.urlEncode(),
-				false
-			)
-			return
-		}
-		val names = context.resources.getStringArray(
-			R.array.search_engines_names
-		).toMutableList()
-		val urls = context.resources.getStringArray(
-			R.array.search_engines_values
-		).toMutableList()
-		// Remove the "Always ask" entry. The arrays search_engines_*
-		// are used in the preferences too.
-		names.removeFirst()
-		urls.removeFirst()
-		if (prefs.openWithUrl.isNotEmpty()) {
-			names.add(prefs.openWithUrl)
-			urls.add(prefs.openWithUrl)
-		}
-		val queryUri = alertDialog<String>(context) { resume ->
-			setTitle(R.string.pick_search_engine)
-			setItems(names.toTypedArray()) { _, which ->
-				resume(urls[which] + query.urlEncode())
-			}
-		} ?: return
-		view(context, queryUri, false)
+		executed = openUrlOrSearch(context, String(data))
+	}
+}
+
+private suspend fun openUrlOrSearch(
+	context: Context,
+	url: String,
+	search: Boolean = true
+): Boolean {
+	if (context.openUrl(url, silent = true)) {
+		return true
+	}
+	if (search) {
+		return prependSearchUrl(context, url)?.let {
+			openUrlOrSearch(context, it, false)
+		} ?: false
+	}
+	return false
+}
+
+private suspend fun prependSearchUrl(
+	context: Context,
+	query: String
+): String? {
+	val defaultSearchUrl = prefs.defaultSearchUrl
+	if (defaultSearchUrl.isNotEmpty()) {
+		return defaultSearchUrl + query.urlEncode()
+	}
+	val names = context.resources.getStringArray(
+		R.array.search_engines_names
+	).toMutableList()
+	val urls = context.resources.getStringArray(
+		R.array.search_engines_values
+	).toMutableList()
+	// Remove the "Always ask" entry. The arrays search_engines_*
+	// are used in the preferences too.
+	names.removeAt(0)
+	urls.removeAt(0)
+	if (prefs.openWithUrl.isNotEmpty()) {
+		names.add(prefs.openWithUrl)
+		urls.add(prefs.openWithUrl)
+	}
+	return alertDialog(context) { resume ->
+		setTitle(R.string.pick_search_engine)
+		setItems(names.toTypedArray()) { _, which ->
+			resume(urls[which] + query.urlEncode())
+		}
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/sms/SmsAction.kt

@@ -2,7 +2,7 @@ package de.markusfisch.android.binaryeye.actions.sms
 
 import android.content.Context
 import android.content.Intent
-import android.net.Uri
+import androidx.core.net.toUri
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.actions.IntentAction
 
@@ -27,7 +27,7 @@ object SmsAction : IntentAction() {
 		} ?: return null
 		return Intent(
 			Intent.ACTION_SENDTO,
-			Uri.parse("smsto:$number")
+			"smsto:$number".toUri()
 		).apply {
 			if (message.isNotEmpty()) {
 				putExtra("sms_body", message)

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/vtype/VType.kt

@@ -1,6 +1,6 @@
 package de.markusfisch.android.binaryeye.actions.vtype
 
-import java.util.*
+import java.util.Locale
 
 object VTypeParser {
 	private const val BACKSLASH_R_LEGACY =
@@ -39,6 +39,6 @@ data class VTypeProperty(
 		} ?: this.info.firstOrNull()
 
 	companion object {
-		private val typeRegex = """^(?:TYPE=)(.+?)[:;]?.*$""".toRegex(RegexOption.IGNORE_CASE)
+		private val typeRegex = """^TYPE=([A-Z_]+)[:;]?.*$""".toRegex(RegexOption.IGNORE_CASE)
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/vtype/vcard/VCardAction.kt

@@ -3,12 +3,11 @@ package de.markusfisch.android.binaryeye.actions.vtype.vcard
 import android.content.ContentValues
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.provider.ContactsContract
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.actions.IntentAction
 import de.markusfisch.android.binaryeye.actions.vtype.VTypeParser
-import java.util.*
+import java.util.Locale
 
 object VCardAction : IntentAction() {
 	override val iconResId: Int
@@ -45,10 +44,13 @@ object VCardAction : IntentAction() {
 				val (extraPhoneType, extraPhone) = when (index) {
 					0 -> ContactsContract.Intents.Insert.PHONE_TYPE to
 							ContactsContract.Intents.Insert.PHONE
+
 					1 -> ContactsContract.Intents.Insert.SECONDARY_PHONE_TYPE to
 							ContactsContract.Intents.Insert.SECONDARY_PHONE
+
 					2 -> ContactsContract.Intents.Insert.TERTIARY_PHONE_TYPE to
 							ContactsContract.Intents.Insert.TERTIARY_PHONE_TYPE
+
 					else -> return@forEachIndexed
 				}
 				phoneProperty.firstTypeOrFirstInfo?.also {
@@ -65,10 +67,13 @@ object VCardAction : IntentAction() {
 				val (extraMailType, extraMail) = when (index) {
 					0 -> ContactsContract.Intents.Insert.EMAIL_TYPE to
 							ContactsContract.Intents.Insert.EMAIL
+
 					1 -> ContactsContract.Intents.Insert.SECONDARY_EMAIL_TYPE to
 							ContactsContract.Intents.Insert.SECONDARY_EMAIL
+
 					2 -> ContactsContract.Intents.Insert.TERTIARY_EMAIL_TYPE to
 							ContactsContract.Intents.Insert.TERTIARY_EMAIL
+
 					else -> return@forEachIndexed
 				}
 				mailProperty.firstTypeOrFirstInfo?.also {
@@ -92,38 +97,36 @@ object VCardAction : IntentAction() {
 				}
 				putExtra(ContactsContract.Intents.Insert.POSTAL, addr.value.locationFormat)
 			}
-			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-				val urls = info["URL"]?.mapNotNull {
-					it.value.takeIf { url -> url.isNotBlank() }?.let { url ->
-						ContentValues(2).apply {
-							put(
-								ContactsContract.Data.MIMETYPE,
-								ContactsContract.CommonDataKinds.Website.CONTENT_ITEM_TYPE
-							)
-							put(ContactsContract.CommonDataKinds.Website.URL, url)
-						}
+			val urls = info["URL"]?.mapNotNull {
+				it.value.takeIf { url -> url.isNotBlank() }?.let { url ->
+					ContentValues(2).apply {
+						put(
+							ContactsContract.Data.MIMETYPE,
+							ContactsContract.CommonDataKinds.Website.CONTENT_ITEM_TYPE
+						)
+						put(ContactsContract.CommonDataKinds.Website.URL, url)
 					}
 				}
-				val bDays = info["BDAY"]?.mapNotNull {
-					it.value.takeIf { day -> day.isNotBlank() }?.let { day ->
-						ContentValues(3).apply {
-							put(
-								ContactsContract.Data.MIMETYPE,
-								ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE
-							)
-							put(
-								ContactsContract.CommonDataKinds.Event.TYPE,
-								ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY
-							)
-							put(ContactsContract.CommonDataKinds.Event.START_DATE, day)
-						}
-					}
-				}
-				putParcelableArrayListExtra(
-					ContactsContract.Intents.Insert.DATA,
-					ArrayList(listOfNotNull(urls, bDays).flatten())
-				)
 			}
+			val bDays = info["BDAY"]?.mapNotNull {
+				it.value.takeIf { day -> day.isNotBlank() }?.let { day ->
+					ContentValues(3).apply {
+						put(
+							ContactsContract.Data.MIMETYPE,
+							ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE
+						)
+						put(
+							ContactsContract.CommonDataKinds.Event.TYPE,
+							ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY
+						)
+						put(ContactsContract.CommonDataKinds.Event.START_DATE, day)
+					}
+				}
+			}
+			putParcelableArrayListExtra(
+				ContactsContract.Intents.Insert.DATA,
+				ArrayList(listOfNotNull(urls, bDays).flatten())
+			)
 		}
 	}
 
@@ -184,7 +187,7 @@ object VCardAction : IntentAction() {
 		}
 
 	private val String.addressType: Int?
-		get() = when (this.toUpperCase(Locale.US)) {
+		get() = when (this.uppercase()) {
 			"HOME" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_HOME
 			"WORK" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_WORK
 			"OTHER" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_OTHER

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/vtype/vevent/VEventAction.kt

@@ -2,14 +2,13 @@ package de.markusfisch.android.binaryeye.actions.vtype.vevent
 
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.provider.CalendarContract
-import android.support.annotation.RequiresApi
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.actions.IntentAction
 import de.markusfisch.android.binaryeye.actions.vtype.VTypeParser
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
+import java.util.Locale
 
 object VEventAction : IntentAction() {
 	override val iconResId: Int
@@ -20,14 +19,10 @@ object VEventAction : IntentAction() {
 		get() = R.string.vevent_failed
 
 	override fun canExecuteOn(data: ByteArray): Boolean {
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
-			return false
-		}
 		val type = VTypeParser.parseVType(String(data))
 		return type == "VEVENT" || type == "VCALENDAR"
 	}
 
-	@RequiresApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
 	override suspend fun createIntent(context: Context, data: ByteArray): Intent? {
 		val info = VTypeParser.parseMap(String(data))
 
@@ -87,6 +82,6 @@ private fun List<String>.simpleFindParse(date: String): Date? {
 
 private fun SimpleDateFormat.simpleParse(date: String): Date? = try {
 	parse(date)
-} catch (e: Exception) {
+} catch (_: Exception) {
 	null
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/web/WebAction.kt

@@ -2,12 +2,12 @@ package de.markusfisch.android.binaryeye.actions.web
 
 import android.content.Context
 import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.actions.IAction
+import de.markusfisch.android.binaryeye.actions.Action
 import de.markusfisch.android.binaryeye.content.openUrl
 
-object WebAction : IAction {
+object WebAction : Action() {
 	private val colloquialRegex =
-		"^(http[s]*://)*[A-Za-z0-9]{3,}\\.[A-Za-z]{2,}[^ \t\r\n]*$".toRegex()
+		"^(URL:[ ]*)*(http[s]*://)*[A-Za-z0-9.-]{3,}\\.[A-Za-z]{2,}[^ \t\r\n]*$".toRegex()
 
 	override val iconResId: Int = R.drawable.ic_action_open
 	override val titleResId: Int = R.string.open_url
@@ -18,9 +18,12 @@ object WebAction : IAction {
 
 	override suspend fun execute(context: Context, data: ByteArray) {
 		var url = String(data).trim()
+		if (url.startsWith("URL:")) {
+			url = url.substring(4).trim()
+		}
 		if (!url.startsWith("http") && !url.startsWith("ftp")) {
 			url = "http://${url}"
 		}
-		context.openUrl(url)
+		executed = context.openUrl(url)
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/wifi/WifiAction.kt

@@ -2,32 +2,39 @@ package de.markusfisch.android.binaryeye.actions.wifi
 
 import android.content.Context
 import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.actions.IAction
+import de.markusfisch.android.binaryeye.actions.Action
 import de.markusfisch.android.binaryeye.widget.toast
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
-object WifiAction : IAction {
+object WifiAction : Action() {
 	override val iconResId = R.drawable.ic_action_wifi
 	override val titleResId = R.string.connect_to_wifi
 
 	var password: String? = null
 
-	override fun canExecuteOn(data: ByteArray): Boolean =
-		WifiConnector.parse(String(data)) {
-			password = it
-		} != null
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		// Just check if the data can be parsed as the app should also
+		// show invalid configurations so users can still access them.
+		val inputMap = WifiConnector.parseMap(String(data)) ?: return false
+		password = inputMap["P"]
+		return !inputMap["S"].isNullOrEmpty()
+	}
 
-	override suspend fun execute(
-		context: Context,
-		data: ByteArray
-	) = withContext(Dispatchers.IO) {
-		val wifiConfig = WifiConnector.parse(
-			String(data)
-		) ?: return@withContext
-		val message = WifiConnector.addNetwork(context, wifiConfig)
-		withContext(Dispatchers.Main) {
-			context.toast(message)
+	override suspend fun execute(context: Context, data: ByteArray) {
+		withContext(Dispatchers.IO) {
+			executed = WifiConnector.parse(String(data))?.let {
+				WifiConnector.addNetwork(context, it)
+			} ?: false
+			withContext(Dispatchers.Main) {
+				context.toast(
+					if (executed) {
+						R.string.wifi_added
+					} else {
+						R.string.wifi_config_failed
+					}
+				)
+			}
 		}
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/wifi/WifiConnector.kt

@@ -1,20 +1,15 @@
 package de.markusfisch.android.binaryeye.actions.wifi
 
 import android.content.Context
+import android.content.Intent
 import android.net.wifi.WifiConfiguration
 import android.net.wifi.WifiEnterpriseConfig
 import android.net.wifi.WifiManager
 import android.net.wifi.WifiNetworkSuggestion
 import android.os.Build
-import android.support.annotation.RequiresApi
-import de.markusfisch.android.binaryeye.R
-import java.util.*
-
-@RequiresApi(Build.VERSION_CODES.Q)
-fun removeNetworkSuggestions(context: Context): Int =
-	(context.applicationContext.getSystemService(
-		Context.WIFI_SERVICE
-	) as WifiManager).removeNetworkSuggestions(listOf())
+import android.provider.Settings
+import androidx.annotation.RequiresApi
+import java.util.Locale
 
 /**
  * Normal:
@@ -41,55 +36,50 @@ fun removeNetworkSuggestions(context: Context): Int =
  * The fields can appear in any order. Only "S:" is required.
  */
 object WifiConnector {
-	fun parse(
-		input: String,
-		passwordBlock: ((password: String?) -> Unit)? = null
-	): Any? {
+	fun parse(input: String): Any? {
 		val inputMap = parseMap(input) ?: return null
 		val parsedData = SimpleDataAccessor.of(inputMap) ?: return null
-		passwordBlock?.apply {
-			invoke(parsedData.password)
-		}
-		return if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-			// WifiConfiguration is deprecated in Android Q.
-			@Suppress("DEPRECATION")
-			WifiConfiguration().apply(parsedData)
-		} else {
-			WifiNetworkSuggestion.Builder().apply(parsedData)
+		return try {
+			if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.Q) {
+				// WifiConfiguration is deprecated in Android Q but
+				// because it's only possible in R to query network
+				// suggestions, we still use the deprecated API on Q.
+				@Suppress("DEPRECATION")
+				WifiConfiguration().apply(parsedData)
+			} else {
+				WifiNetworkSuggestion.Builder().apply(parsedData)
+			}
+		} catch (_: IllegalArgumentException) {
+			// Some arguments may be out of range, e.g. SSIDs cannot
+			// be longer than 32 characters in some versions of Android.
+			// See: https://github.com/markusfisch/BinaryEye/issues/402
+			null
 		}
 	}
 
-	fun addNetwork(context: Context, config: Any): Int {
+	fun addNetwork(context: Context, config: Any): Boolean {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R &&
+			config is WifiNetworkSuggestion.Builder
+		) {
+			context.suggestNetworkFromBuilder(config)
+			return true
+		}
+
 		val wifiManager = context.applicationContext.getSystemService(
 			Context.WIFI_SERVICE
 		) as WifiManager
-		return if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-			// WifiConfiguration is deprecated in Android Q.
-			@Suppress("DEPRECATION")
-			val wifiConfig = config as WifiConfiguration
-			if (wifiManager.enableWifi() &&
-				wifiManager.removeOldNetwork(wifiConfig) &&
-				wifiManager.enableNewNetwork(wifiConfig)
-			) {
-				R.string.wifi_added
-			} else {
-				R.string.wifi_config_failed
-			}
-		} else {
-			val suggestion = (config as WifiNetworkSuggestion.Builder).build()
-			val suggestions = listOf(suggestion)
-			// Remove previous conflicting network suggestion.
-			wifiManager.removeNetworkSuggestions(suggestions)
-			val result = wifiManager.addNetworkSuggestions(suggestions)
-			if (result == WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS) {
-				R.string.wifi_added
-			} else {
-				R.string.wifi_config_failed
-			}
-		}
+		// WifiConfiguration is deprecated in Android Q.
+		@Suppress("DEPRECATION")
+		return (config is WifiConfiguration &&
+				wifiManager.enableWifi() &&
+				wifiManager.removeOldNetwork(config) &&
+				wifiManager.enableNewNetwork(config)) ||
+				(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q &&
+						config is WifiNetworkSuggestion.Builder &&
+						wifiManager.addNetworkFromBuilder(config))
 	}
 
-	internal fun parseMap(string: String): Map<String, String>? {
+	internal fun parseMap(input: String): Map<String, String>? {
 		// Normally those codes should have the last semicolon, but many
 		// generators don't add it.
 		val wifiRegex = """^WIFI:((?:.+?:(?:[^\\;]|\\.)*;)+);?$""".toRegex()
@@ -97,10 +87,10 @@ object WifiConnector {
 		// and : because many QR Code creators don't escape properly.
 		val pairRegex = """(.+?):((?:[^\\;]|\\.)*);""".toRegex()
 		return wifiRegex.matchEntire(
-			string
+			input.trimAndTerminate()
 		)?.groupValues?.get(1)?.let { pairs ->
 			pairRegex.findAll(pairs).map { pair ->
-				pair.groupValues[1].uppercase(Locale.US) to pair.groupValues[2]
+				pair.groupValues[1].uppercase(Locale.US) to pair.groupValues[2].unescape
 			}.toMap()
 		}
 	}
@@ -110,47 +100,43 @@ object WifiConnector {
 	) {
 		// This should be private but because of testing it isn't possible.
 		internal val ssid: String
-			get() = inputMap.getValue("S").unescape
+			get() = inputMap.getValue("S")
 		internal val securityType: String
-			get() = inputMap["T"]?.unescape ?: ""
+			get() = inputMap["T"] ?: ""
 		internal val password: String?
-			get() = inputMap["P"]?.unescape
+			get() = inputMap["P"]
 		internal val hidden: Boolean
-			get() = inputMap["H"]?.unescape == "true"
+			get() = inputMap["H"] == "true"
 		internal val anonymousIdentity: String
-			get() = inputMap["AI"]?.unescape ?: inputMap["A"]?.unescape ?: ""
+			get() = inputMap["AI"] ?: inputMap["A"] ?: ""
 		internal val identity: String
-			get() = inputMap["I"]?.unescape ?: ""
+			get() = inputMap["I"] ?: ""
 		internal val eapMethod: Int?
 			get() = if (inputMap["E"].isNullOrEmpty()) {
-				requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) {
-					WifiEnterpriseConfig.Eap.NONE
-				}
-			} else when (inputMap["E"]) {
-				"AKA" -> requireSdk(Build.VERSION_CODES.LOLLIPOP) { WifiEnterpriseConfig.Eap.AKA }
+				WifiEnterpriseConfig.Eap.NONE
+			} else when (inputMap["E"]?.uppercase()) {
+				"AKA" -> WifiEnterpriseConfig.Eap.AKA
 				"AKA_PRIME" -> requireSdk(Build.VERSION_CODES.M) { WifiEnterpriseConfig.Eap.AKA_PRIME }
-				"NONE" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Eap.NONE }
-				"PEAP" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Eap.PEAP }
-				"PWD" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Eap.PWD }
-				"SIM" -> requireSdk(Build.VERSION_CODES.LOLLIPOP) { WifiEnterpriseConfig.Eap.SIM }
-				"TLS" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Eap.TLS }
-				"TTLS" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Eap.TTLS }
+				"NONE" -> WifiEnterpriseConfig.Eap.NONE
+				"PEAP" -> WifiEnterpriseConfig.Eap.PEAP
+				"PWD" -> WifiEnterpriseConfig.Eap.PWD
+				"SIM" -> WifiEnterpriseConfig.Eap.SIM
+				"TLS" -> WifiEnterpriseConfig.Eap.TLS
+				"TTLS" -> WifiEnterpriseConfig.Eap.TTLS
 				"UNAUTH_TLS" -> requireSdk(Build.VERSION_CODES.N) { WifiEnterpriseConfig.Eap.UNAUTH_TLS }
 				else -> null
 			}
 		internal val phase2Method: Int?
 			get() = if (inputMap["PH2"].isNullOrEmpty()) {
-				requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) {
-					WifiEnterpriseConfig.Phase2.NONE
-				}
-			} else when (inputMap["PH2"]) {
+				WifiEnterpriseConfig.Phase2.NONE
+			} else when (inputMap["PH2"]?.uppercase()) {
 				"AKA" -> requireSdk(Build.VERSION_CODES.O) { WifiEnterpriseConfig.Phase2.AKA }
 				"AKA_PRIME" -> requireSdk(Build.VERSION_CODES.O) { WifiEnterpriseConfig.Phase2.AKA_PRIME }
-				"GTC" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Phase2.GTC }
-				"MSCHAP" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Phase2.MSCHAP }
-				"MSCHAPV2" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Phase2.MSCHAPV2 }
-				"NONE" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Phase2.NONE }
-				"PAP" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) { WifiEnterpriseConfig.Phase2.PAP }
+				"GTC" -> WifiEnterpriseConfig.Phase2.GTC
+				"MSCHAP" -> WifiEnterpriseConfig.Phase2.MSCHAP
+				"MSCHAPV2" -> WifiEnterpriseConfig.Phase2.MSCHAPV2
+				"NONE" -> WifiEnterpriseConfig.Phase2.NONE
+				"PAP" -> WifiEnterpriseConfig.Phase2.PAP
 				"SIM" -> requireSdk(Build.VERSION_CODES.O) { WifiEnterpriseConfig.Phase2.SIM }
 				else -> null
 			}
@@ -179,10 +165,11 @@ object WifiConnector {
 			data: SimpleDataAccessor
 		): WifiNetworkSuggestion.Builder? {
 			try {
-				when (data.securityType) {
+				when (data.securityType.uppercase()) {
 					"WPA", "WPA2" -> {
 						data.password?.let { setWpa2Passphrase(it) }
 					}
+
 					"WPA2-EAP" -> {
 						setWpa2EnterpriseConfig(WifiEnterpriseConfig().apply {
 							identity = data.identity
@@ -192,9 +179,11 @@ object WifiConnector {
 							data.phase2Method?.let { phase2Method = it }
 						})
 					}
+
 					"WPA3" -> {
 						data.password?.let { setWpa3Passphrase(it) }
 					}
+
 					"WPA3-EAP" -> {
 						setWpa3EnterpriseConfig(WifiEnterpriseConfig().apply {
 							identity = data.identity
@@ -205,7 +194,7 @@ object WifiConnector {
 						})
 					}
 				}
-			} catch (e: IllegalArgumentException) {
+			} catch (_: IllegalArgumentException) {
 				// Don't accept passphrases that aren't ASCII encodeable.
 				return null
 			}
@@ -240,8 +229,8 @@ object WifiConnector {
 		fun WifiConfiguration.applySecurity(
 			data: SimpleDataAccessor
 		): WifiConfiguration? {
-			when (data.securityType) {
-				"", "nopass" -> allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE)
+			when (data.securityType.uppercase()) {
+				"", "NOPASS" -> allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE)
 				"WEP" -> @Suppress("DEPRECATION") /* WEP as insecure */ {
 					passwordWithQuotes?.let {
 						wepKeys[0] = it
@@ -254,6 +243,7 @@ object WifiConnector {
 					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40)
 					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104)
 				}
+
 				"WPA" -> {
 					passwordWithQuotes?.let {
 						preSharedKey = it
@@ -270,7 +260,8 @@ object WifiConnector {
 					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP)
 					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP)
 				}
-				"WPA2-EAP" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) {
+
+				"WPA2-EAP" -> {
 					passwordWithQuotes?.let {
 						preSharedKey = it
 					} ?: return null
@@ -290,7 +281,7 @@ object WifiConnector {
 						data.eapMethod ?: return null // non valid eapMethod
 					enterpriseConfig.phase2Method =
 						data.phase2Method ?: return null // non valid phase2Method
-				} ?: return null // api isn't high enough
+				}
 			}
 			return this
 		}
@@ -303,11 +294,47 @@ object WifiConnector {
 	}
 }
 
+@RequiresApi(Build.VERSION_CODES.Q)
+private fun WifiManager.addNetworkFromBuilder(
+	builder: WifiNetworkSuggestion.Builder
+): Boolean {
+	val suggestion = builder.build()
+	val suggestions = listOf(suggestion)
+	// Remove previous conflicting network suggestion.
+	removeNetworkSuggestions(suggestions)
+	val result = addNetworkSuggestions(suggestions)
+	return result == WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS
+}
+
+@RequiresApi(Build.VERSION_CODES.R)
+private fun Context.suggestNetworkFromBuilder(
+	builder: WifiNetworkSuggestion.Builder
+) {
+	val suggestion = builder.build()
+	startActivity(
+		Intent(Settings.ACTION_WIFI_ADD_NETWORKS).apply {
+			putParcelableArrayListExtra(
+				Settings.EXTRA_WIFI_NETWORK_LIST,
+				arrayListOf(suggestion)
+			)
+		}
+	)
+}
+
+// Make sure the string ends with a semicolon.
+private fun String.trimAndTerminate(): String {
+	var trimmed = trim()
+	if (trimmed.isNotEmpty() && trimmed.last() != ';') {
+		trimmed += ";"
+	}
+	return trimmed
+}
+
 // Keep possibility of wrongly unescaped \ by explicitly searching
 // for special chars.
 private val escapedRegex = """\\([\\;,":])""".toRegex()
 private val String.unescape: String
-	get() = this.replace(escapedRegex) { escaped ->
+	get() = replace(escapedRegex) { escaped ->
 		escaped.groupValues[1]
 	}
 
@@ -347,7 +374,7 @@ private fun WifiManager.removeOldNetwork(
 		}?.networkId?.also {
 			removeNetwork(it)
 		}
-	} catch (e: SecurityException) {
+	} catch (_: SecurityException) {
 		// The user didn't allow ACCESS_FINE_LOCATION which is
 		// required to access configuredNetworks and that's fine.
 	}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/AbstractBaseActivity.kt

@@ -0,0 +1,65 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.content.Context
+import android.content.pm.PackageManager
+import android.view.Menu
+import android.view.MenuInflater
+import androidx.annotation.LayoutRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.isNotEmpty
+import de.markusfisch.android.binaryeye.app.PERMISSION_LOCATION
+import de.markusfisch.android.binaryeye.app.PERMISSION_WRITE
+import de.markusfisch.android.binaryeye.app.applyLocale
+import de.markusfisch.android.binaryeye.app.permissionGrantedCallback
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.view.initBars
+
+abstract class AbstractBaseActivity : AppCompatActivity() {
+	override fun attachBaseContext(base: Context?) {
+		base?.applyLocale(prefs.customLocale)
+		super.attachBaseContext(base)
+	}
+
+	protected fun setScreenContentView(@LayoutRes layoutId: Int) {
+		setContentView(layoutId)
+		initBars()
+		supportActionBar?.setDisplayHomeAsUpEnabled(true)
+	}
+
+	override fun onSupportNavigateUp(): Boolean {
+		finish()
+		return true
+	}
+
+	override fun onRequestPermissionsResult(
+		requestCode: Int,
+		permissions: Array<String>,
+		grantResults: IntArray
+	) {
+		super.onRequestPermissionsResult(
+			requestCode,
+			permissions,
+			grantResults
+		)
+		when (requestCode) {
+			PERMISSION_LOCATION, PERMISSION_WRITE -> {
+				if (grantResults.isNotEmpty() &&
+					grantResults[0] == PackageManager.PERMISSION_GRANTED
+				) {
+					permissionGrantedCallback?.invoke()
+					permissionGrantedCallback = null
+				}
+			}
+		}
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu): Boolean {
+		onCreateOptionsMenu(menu, menuInflater)
+		return menu.isNotEmpty() || super.onCreateOptionsMenu(menu)
+	}
+
+	protected open fun onCreateOptionsMenu(
+		menu: Menu,
+		inflater: MenuInflater
+	) = Unit
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/AutomatedActionsActivity.kt

@@ -0,0 +1,305 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.ListView
+import android.widget.RadioGroup
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.appcompat.app.AlertDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.automation.AutomatedAction
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.view.systemBarListViewScrollListener
+
+class AutomatedActionsActivity : AbstractBaseActivity() {
+	private val actions = ArrayList<AutomatedAction>()
+
+	private lateinit var adapter: ActionsAdapter
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_automated_actions)
+		setTitle(R.string.automated_actions)
+
+		actions.clear()
+		actions.addAll(prefs.automatedActions)
+
+		val listView = findViewById<ListView>(R.id.actions)
+		listView.emptyView = findViewById(R.id.no_actions)
+		adapter = ActionsAdapter(this, actions)
+		listView.adapter = adapter
+		listView.setOnScrollListener(systemBarListViewScrollListener)
+		listView.setOnItemClickListener { _, _, position, _ ->
+			editAction(position)
+		}
+		listView.setOnItemLongClickListener { _, _, position, _ ->
+			confirmRemoveAction(position)
+			true
+		}
+
+		findViewById<View>(R.id.add).setOnClickListener {
+			editAction(null)
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		listView.setPaddingFromWindowInsets()
+	}
+
+	private fun editAction(position: Int?) {
+		val action = position?.let { actions[it] }
+		val view = layoutInflater.inflate(
+			R.layout.dialog_automated_action,
+			null
+		)
+		val regexView = view.findViewById<EditText>(R.id.regex)
+		val formatView = view.findViewById<Spinner>(R.id.format)
+		val urlView = view.findViewById<EditText>(R.id.url_template)
+		val typeGroup = view.findViewById<RadioGroup>(R.id.action_type)
+		val urlSection = view.findViewById<View>(R.id.url_section)
+		val intentSection = view.findViewById<View>(R.id.intent_section)
+		val intentUriView = view.findViewById<EditText>(
+			R.id.intent_uri_template
+		)
+		val names = resources.getStringArray(
+			R.array.barcode_formats_names
+		).toMutableList().apply {
+			add(0, getString(R.string.all_formats))
+		}
+		val values = resources.getStringArray(
+			R.array.barcode_formats_values
+		).toMutableList().apply {
+			add(0, "")
+		}
+		formatView.adapter = ArrayAdapter(
+			this,
+			android.R.layout.simple_spinner_item,
+			names
+		).apply {
+			setDropDownViewResource(
+				android.R.layout.simple_spinner_dropdown_item
+			)
+		}
+
+		if (action != null) {
+			regexView.setText(action.pattern)
+			formatView.setSelection(
+				values.indexOf(action.format ?: "").coerceAtLeast(0)
+			)
+			when (action.type) {
+				AutomatedAction.Type.Intent -> {
+					urlView.setText(action.urlTemplate ?: "")
+				}
+
+				AutomatedAction.Type.CustomIntent -> {
+					intentUriView.setText(action.intentUriTemplate ?: "")
+				}
+			}
+		} else {
+			formatView.setSelection(0)
+		}
+
+		fun updateTypeSections(checkedId: Int) {
+			val isIntent = checkedId == R.id.action_type_intent
+			urlSection.visibility = if (isIntent) View.VISIBLE else View.GONE
+			intentSection.visibility = if (isIntent) View.GONE else View.VISIBLE
+		}
+
+		typeGroup.setOnCheckedChangeListener { _, checkedId ->
+			updateTypeSections(checkedId)
+		}
+		val initialTypeId = if (
+			action?.type == AutomatedAction.Type.CustomIntent
+		) {
+			R.id.action_type_custom_intent
+		} else {
+			R.id.action_type_intent
+		}
+		typeGroup.check(initialTypeId)
+		updateTypeSections(initialTypeId)
+
+		val dialog = MaterialAlertDialogBuilder(this)
+			.setTitle(
+				if (action == null) {
+					R.string.automated_action_add
+				} else {
+					R.string.automated_action_edit
+				}
+			)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok, null)
+			.setNegativeButton(android.R.string.cancel) { _, _ -> }
+			.create()
+
+		dialog.setOnShowListener {
+			dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+				addOrUpdateAction(
+					position,
+					regexView,
+					formatView,
+					values,
+					urlView,
+					typeGroup,
+					intentUriView,
+					dialog
+				)
+			}
+		}
+
+		dialog.show()
+	}
+
+	private fun addOrUpdateAction(
+		position: Int?,
+		regexView: EditText,
+		formatView: Spinner,
+		values: List<String>,
+		urlView: EditText,
+		typeGroup: RadioGroup,
+		intentUriView: EditText,
+		dialog: Dialog,
+	) {
+		val pattern = regexView.text.toString().trim()
+		if (pattern.isEmpty()) {
+			regexView.error = getString(R.string.automated_action_regex_required)
+			return
+		}
+		try {
+			Regex(pattern)
+		} catch (_: Exception) {
+			regexView.error = getString(R.string.automated_action_regex_invalid)
+			return
+		}
+		val isIntent = typeGroup.checkedRadioButtonId == R.id.action_type_intent
+		val format = formatView.selectedItemPosition.let {
+			values[it].ifEmpty { null }
+		}
+		val newAction = if (isIntent) {
+			val urlTemplate = urlView.text.toString().trim()
+			if (urlTemplate.isEmpty()) {
+				urlView.error = getString(R.string.automated_action_url_required)
+				return
+			}
+			AutomatedAction(
+				pattern = pattern,
+				type = AutomatedAction.Type.Intent,
+				format = format,
+				urlTemplate = urlTemplate
+			)
+		} else {
+			val intentUriTemplate = intentUriView.text.toString().trim()
+			if (intentUriTemplate.isEmpty()) {
+				intentUriView.error = getString(
+					R.string.automated_action_intent_uri_required
+				)
+				return
+			}
+			if (!intentUriTemplate.startsWith(
+					"intent:",
+					ignoreCase = true
+				)
+			) {
+				intentUriView.error = getString(
+					R.string.automated_action_intent_uri_invalid
+				)
+				return
+			}
+			AutomatedAction(
+				pattern = pattern,
+				type = AutomatedAction.Type.CustomIntent,
+				format = format,
+				intentUriTemplate = intentUriTemplate
+			)
+		}
+		if (position == null) {
+			actions.add(newAction)
+		} else {
+			actions[position] = newAction
+		}
+		prefs.setAutomatedActions(actions)
+		adapter.notifyDataSetChanged()
+		dialog.dismiss()
+	}
+
+	private fun confirmRemoveAction(position: Int) {
+		MaterialAlertDialogBuilder(this)
+			.setMessage(R.string.automated_action_remove_confirm)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				actions.removeAt(position)
+				prefs.setAutomatedActions(actions)
+				adapter.notifyDataSetChanged()
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ -> }
+			.show()
+	}
+
+	private class ActionsAdapter(
+		context: Context,
+		private val items: List<AutomatedAction>
+	) : ArrayAdapter<AutomatedAction>(
+		context,
+		android.R.layout.simple_list_item_2,
+		android.R.id.text1,
+		items
+	) {
+		override fun getView(
+			position: Int,
+			convertView: View?,
+			parent: ViewGroup
+		): View {
+			val view = super.getView(position, convertView, parent)
+			val action = items[position]
+			getViewHolder(view).apply {
+				title.text = action.pattern
+				subtitle.text = when (action.type) {
+					AutomatedAction.Type.Intent -> if (!action.urlTemplate.isNullOrEmpty()) {
+						context.getString(
+							R.string.automated_action_list_intent,
+							action.urlTemplate
+						)
+					} else {
+						context.getString(R.string.automated_action_list_intent_empty)
+					}
+
+					AutomatedAction.Type.CustomIntent ->
+						if (!action.intentUriTemplate.isNullOrEmpty()) {
+							context.getString(
+								R.string.automated_action_list_custom_intent,
+								action.intentUriTemplate
+							)
+						} else {
+							context.getString(
+								R.string.automated_action_list_custom_intent_empty
+							)
+						}
+				}
+				action.format?.let { format ->
+					subtitle.text = "${subtitle.text} (${format.prettifyFormatName()})"
+				}
+			}
+			return view
+		}
+
+		private fun getViewHolder(
+			view: View
+		): ViewHolder = view.tag as ViewHolder? ?: ViewHolder(
+			view.findViewById(android.R.id.text1),
+			view.findViewById(android.R.id.text2),
+		).also {
+			view.tag = it
+		}
+
+		private data class ViewHolder(
+			val title: TextView,
+			val subtitle: TextView,
+		)
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/BarcodeActivity.kt

@@ -0,0 +1,594 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.Matrix
+import android.os.Build
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.SeekBar
+import android.widget.TextView
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.db
+import de.markusfisch.android.binaryeye.app.hasWritePermission
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.content.Barcode
+import de.markusfisch.android.binaryeye.content.BarcodeColors
+import de.markusfisch.android.binaryeye.content.BitMatrixBarcode
+import de.markusfisch.android.binaryeye.content.ContentBarcode
+import de.markusfisch.android.binaryeye.content.copyToClipboard
+import de.markusfisch.android.binaryeye.content.shareFile
+import de.markusfisch.android.binaryeye.content.shareText
+import de.markusfisch.android.binaryeye.database.toScan
+import de.markusfisch.android.binaryeye.io.addSuffixIfNotGiven
+import de.markusfisch.android.binaryeye.io.toSaveResult
+import de.markusfisch.android.binaryeye.io.writeExternalFile
+import de.markusfisch.android.binaryeye.net.createEncodeDeeplink
+import de.markusfisch.android.binaryeye.os.getScreenBrightness
+import de.markusfisch.android.binaryeye.os.setScreenBrightness
+import de.markusfisch.android.binaryeye.view.doOnApplyWindowInsets
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.widget.ConfinedScalingImageView
+import de.markusfisch.android.binaryeye.widget.toast
+import de.markusfisch.android.zxingcpp.ZxingCpp
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.OutputStream
+import java.util.Locale
+import kotlin.math.max
+import kotlin.math.min
+
+class BarcodeActivity : AbstractBaseActivity() {
+	private enum class FileType {
+		PNG, JPG, SVG, TXT
+	}
+
+	private val parentJob = Job()
+	private val scope = CoroutineScope(Dispatchers.IO + parentJob)
+
+	private lateinit var imageView: ConfinedScalingImageView
+	private lateinit var barcode: Barcode<*>
+
+	private var contentView: View? = null
+	private var addToHistoryItem: MenuItem? = null
+	private var brightenScreenItem: MenuItem? = null
+	private var currentBrightness = -1f
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_barcode)
+		setTitle(R.string.view_barcode)
+		contentView = findViewById(android.R.id.content)
+
+		// Make `imageView` available for `onPause()`.
+		imageView = findViewById(R.id.barcode)
+
+		val bitmap: Bitmap
+		try {
+			barcode = intent?.extras?.toBarcode() ?: throw IllegalArgumentException(
+				"Illegal arguments"
+			)
+			// Catch exceptions from encoding.
+			bitmap = barcode.bitmap()
+		} catch (e: Exception) {
+			var message = e.message
+			if (message.isNullOrEmpty()) {
+				message = getString(R.string.error_encoding_barcode)
+			}
+			toast(message)
+			finish()
+			return
+		}
+
+		imageView.setImageBitmap(bitmap)
+		imageView.runAfterLayout = {
+			val scale = prefs.previewScale
+			if (scale > 0) {
+				imageView.setScale(
+					scale,
+					bitmap.width / 2f,
+					bitmap.height / 2f
+				)
+			}
+
+			imageView.minWidth = min(
+				imageView.minWidth / 2f,
+				max(bitmap.width, bitmap.height).toFloat()
+			)
+		}
+
+		findViewById<View>(R.id.share).setOnClickListener {
+			it.context?.apply {
+				pickFileType(R.string.share_as) { fileType ->
+					shareAs(fileType)
+				}
+			}
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		imageView.doOnApplyWindowInsets { _, insets, _ ->
+			imageView.insets.set(insets)
+		}
+	}
+
+	private fun Bundle.toBarcode(): Barcode<*> {
+		val content =
+			getString(CONTENT_TEXT) ?: getByteArray(CONTENT_RAW) ?: throw IllegalArgumentException(
+				"content cannot be null"
+			)
+		val barcodeFormat = BarcodeFormat.valueOf(
+			getString(FORMAT) ?: throw IllegalArgumentException(
+				"format cannot be null"
+			)
+		)
+		val colors = BarcodeColors.entries[getInt(COLORS)]
+		val data = getByteArray(BIT_MATRIX_DATA)
+		return if (data != null) {
+			BitMatrixBarcode(
+				ZxingCpp.BitMatrix(
+					getInt(BIT_MATRIX_WIDTH),
+					getInt(BIT_MATRIX_HEIGHT),
+					data
+				),
+				content,
+				barcodeFormat,
+				colors
+			)
+		} else {
+			ContentBarcode(
+				content,
+				barcodeFormat,
+				getInt(EC_LEVEL),
+				getBoolean(ADD_QUIET_ZONE),
+				colors
+			)
+		}
+	}
+
+	override fun onResume() {
+		super.onResume()
+		if (prefs.brightenScreen) {
+			// Post to make sure brightenScreenItem is initialized.
+			contentView?.postDelayed({
+				brightenScreen()
+			}, 500)
+		}
+	}
+
+	override fun onPause() {
+		super.onPause()
+		if (currentBrightness > -1f) {
+			restoreScreenBrightness()
+		}
+		if (imageView.isInBounds()) {
+			prefs.previewScale = imageView.getScale()
+		}
+	}
+
+	override fun onDestroy() {
+		super.onDestroy()
+		parentJob.cancel()
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		inflater.inflate(R.menu.fragment_barcode, menu)
+		addToHistoryItem = menu.findItem(R.id.add_to_history)
+		brightenScreenItem = menu.findItem(R.id.brighten_screen)
+	}
+
+	override fun onOptionsItemSelected(item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.add_to_history -> {
+				readAndAddToHistory(
+					barcode.bitmap(),
+					barcode.format
+				)
+				addToHistoryItem?.isVisible = false
+				toast(R.string.added_to_history)
+				true
+			}
+
+			R.id.copy_to_clipboard -> {
+				copyToClipboard(barcode.text())
+				true
+			}
+
+			R.id.copy_as_deeplink -> {
+				copyToClipboard(deeplinkToCopy())
+				true
+			}
+
+			R.id.export_to_file -> {
+				pickFileType(R.string.export_as) { fileType ->
+					when (fileType) {
+						FileType.PNG,
+						FileType.JPG -> askForSize { size ->
+							askForFileNameAndSave(fileType, size)
+						}
+
+						else -> askForFileNameAndSave(fileType, 0)
+					}
+				}
+				true
+			}
+
+			R.id.brighten_screen -> {
+				prefs.brightenScreen = if (currentBrightness > -1f) {
+					restoreScreenBrightness()
+					false
+				} else {
+					brightenScreen()
+					true
+				}
+				true
+			}
+
+			else -> super.onOptionsItemSelected(item)
+		}
+	}
+
+	private fun copyToClipboard(text: String, isSensitive: Boolean = false) {
+		(this as android.content.Context).copyToClipboard(text, isSensitive)
+		toast(R.string.copied_to_clipboard)
+	}
+
+	private fun deeplinkToCopy() = createEncodeDeeplink(
+		format = barcode.format.name,
+		content = barcode.textOrHex(),
+	)
+
+	private fun Context.pickFileType(
+		title: Int,
+		action: (FileType) -> Unit
+	) {
+		val fileTypes = FileType.entries.toTypedArray()
+		MaterialAlertDialogBuilder(this)
+			.setTitle(title)
+			.setItems(fileTypes.map { it.name }.toTypedArray()) { _, which ->
+				action(fileTypes[which])
+			}
+			.show()
+	}
+
+	// Dialogs do not have a parent view.
+	@SuppressLint("InflateParams")
+	private fun askForFileNameAndSave(fileType: FileType, bitmapSize: Int) {
+		// Write permission is only required before Android Q.
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
+			!hasWritePermission {
+				askForFileNameAndSave(fileType, bitmapSize)
+			}
+		) {
+			return
+		}
+		val view = layoutInflater.inflate(R.layout.dialog_save_file, null)
+		val editText = view.findViewById<EditText>(R.id.file_name)
+		editText.setText(
+			encodeFileName("${barcode.format}_${barcode.content}")
+		)
+		MaterialAlertDialogBuilder(this)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				val fileName = editText.text.toString()
+				when (fileType) {
+					FileType.PNG -> saveAs(
+						addSuffixIfNotGiven(fileName, ".png"),
+						MIME_PNG
+					) {
+						barcode.bitmap(bitmapSize).saveAsPng(it)
+					}
+
+					FileType.JPG -> saveAs(
+						addSuffixIfNotGiven(fileName, ".jpg"),
+						MIME_JPG
+					) {
+						barcode.bitmap(bitmapSize).saveAsJpg(it)
+					}
+
+					FileType.SVG -> saveAs(
+						addSuffixIfNotGiven(fileName, ".svg"),
+						MIME_SVG
+					) {
+						it.write(barcode.svg().toByteArray())
+					}
+
+					FileType.TXT -> saveAs(
+						addSuffixIfNotGiven(fileName, ".txt"),
+						MIME_TXT
+					) {
+						it.write(barcode.text().toByteArray())
+					}
+				}
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ ->
+			}
+			.show()
+	}
+
+	// Dialogs do not have a parent view.
+	@SuppressLint("InflateParams")
+	private fun askForSize(write: (size: Int) -> Unit) {
+		val view = layoutInflater.inflate(R.layout.dialog_size, null)
+		val sizeView = view.findViewById<TextView>(R.id.size_display)
+		val sizeBarView = view.findViewById<SeekBar>(R.id.size_bar)
+		sizeBarView.initSizeBar(sizeView)
+		MaterialAlertDialogBuilder(this)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				write(getSize(sizeBarView.progress))
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ ->
+			}
+			.show()
+	}
+
+	private fun SeekBar.initSizeBar(sizeView: TextView) {
+		sizeView.updateSize(progress)
+		setOnSeekBarChangeListener(
+			object : SeekBar.OnSeekBarChangeListener {
+				override fun onProgressChanged(
+					seekBar: SeekBar,
+					progressValue: Int,
+					fromUser: Boolean
+				) {
+					sizeView.updateSize(progressValue)
+				}
+
+				override fun onStartTrackingTouch(seekBar: SeekBar) {}
+
+				override fun onStopTrackingTouch(seekBar: SeekBar) {}
+			}
+		)
+	}
+
+	private fun TextView.updateSize(power: Int) {
+		val size = getSize(power)
+		text = if (size > 0) {
+			getString(R.string.size_width_by_height, size, size)
+		} else {
+			getString(R.string.size_no_magnification)
+		}
+	}
+
+	private fun saveAs(
+		fileName: String,
+		mimeType: String,
+		write: (outputStream: OutputStream) -> Unit
+	) {
+		scope.launch(Dispatchers.IO) {
+			val message = writeExternalFile(
+				fileName, mimeType, write
+			).toSaveResult()
+			withContext(Dispatchers.Main) {
+				toast(message)
+			}
+		}
+	}
+
+	private fun Context.shareAs(fileType: FileType) {
+		when (fileType) {
+			FileType.PNG -> askForSize {
+				share(barcode.bitmap(it), MIME_PNG, "png")
+			}
+
+			FileType.JPG -> askForSize {
+				share(barcode.bitmap(it), MIME_JPG, "jpg")
+			}
+
+			FileType.SVG -> shareText(barcode.svg(), MIME_SVG)
+			FileType.TXT -> shareText(barcode.text())
+		}
+	}
+
+	private fun Context.share(bitmap: Bitmap, mimeType: String, ext: String) {
+		scope.launch(Dispatchers.IO) {
+			val file = File(
+				externalCacheDir,
+				"shared_barcode.$ext"
+			)
+			val success = try {
+				FileOutputStream(file).use {
+					when (mimeType) {
+						MIME_PNG -> bitmap.saveAsPng(it)
+						MIME_JPG -> bitmap.saveAsJpg(it)
+						else -> throw IllegalArgumentException(
+							"Invalid mime type"
+						)
+					}
+				}
+				true
+			} catch (_: IOException) {
+				false
+			}
+			withContext(Dispatchers.Main) {
+				if (success) {
+					shareFile(file, mimeType)
+				} else {
+					toast(R.string.error_saving_file)
+				}
+			}
+		}
+	}
+
+	private fun brightenScreen() {
+		if (isFinishing || isDestroyed) {
+			return
+		}
+		currentBrightness = getScreenBrightness()
+		setScreenBrightness(1f)
+		brightenScreenItem?.isChecked = true
+	}
+
+	private fun restoreScreenBrightness() {
+		if (currentBrightness > -1f) {
+			setScreenBrightness(currentBrightness)
+			currentBrightness = -1f
+			brightenScreenItem?.isChecked = false
+		}
+	}
+
+	companion object {
+		private const val BIT_MATRIX_WIDTH = "bit_matrix_width"
+		private const val BIT_MATRIX_HEIGHT = "bit_matrix_height"
+		private const val BIT_MATRIX_DATA = "bit_matrix_data"
+		private const val CONTENT_TEXT = "content_text"
+		private const val CONTENT_RAW = "content_raw"
+		private const val FORMAT = "format"
+		private const val EC_LEVEL = "ec_level"
+		private const val ADD_QUIET_ZONE = "add_quiet_zone"
+		private const val COLORS = "colors"
+		private const val MIME_PNG = "image/png"
+		private const val MIME_JPG = "image/jpeg"
+		private const val MIME_SVG = "image/svg+xmg"
+		private const val MIME_TXT = "text/plain"
+
+		fun newIntent(
+			context: Context,
+			barcode: Barcode<*>,
+			colors: Int = 0
+		): Intent {
+			val args = Bundle()
+			when (barcode) {
+				is ContentBarcode -> args.putEcLevelQuietZone(
+					barcode.ecLevel,
+					barcode.addQuietZone
+				)
+
+				is BitMatrixBarcode -> {
+					args.putInt(BIT_MATRIX_WIDTH, barcode.bitMatrix.width)
+					args.putInt(BIT_MATRIX_HEIGHT, barcode.bitMatrix.height)
+					args.putByteArray(BIT_MATRIX_DATA, barcode.bitMatrix.data)
+				}
+			}
+			args.putContentFormatColors(
+				barcode.content,
+				barcode.format,
+				colors
+			)
+			return Intent(context, BarcodeActivity::class.java).apply {
+				putExtras(args)
+			}
+		}
+
+		fun <T> newIntent(
+			context: Context,
+			content: T,
+			format: BarcodeFormat,
+			ecLevel: Int = -1,
+			addQuietZone: Boolean = false,
+			colors: Int = 0
+		): Intent {
+			val args = Bundle()
+			args.putContentFormatColors(content, format, colors)
+			args.putEcLevelQuietZone(ecLevel, addQuietZone)
+			return Intent(context, BarcodeActivity::class.java).apply {
+				putExtras(args)
+			}
+		}
+
+		private fun <T> Bundle.putContentFormatColors(
+			content: T,
+			format: BarcodeFormat,
+			colors: Int
+		) {
+			when (content) {
+				is String -> {
+					putString(CONTENT_TEXT, content)
+				}
+
+				is ByteArray -> {
+					putByteArray(CONTENT_RAW, content)
+				}
+
+				else -> {
+					throw IllegalArgumentException(
+						"content must be a String of a ByteArray"
+					)
+				}
+			}
+			putString(FORMAT, format.name)
+			putInt(COLORS, colors)
+		}
+
+		private fun Bundle.putEcLevelQuietZone(
+			ecLevel: Int,
+			addQuietZone: Boolean
+		) {
+			putInt(EC_LEVEL, ecLevel)
+			putBoolean(ADD_QUIET_ZONE, addQuietZone)
+		}
+	}
+}
+
+private fun ImageView.setScale(scale: Float, x: Float, y: Float) {
+	imageMatrix = Matrix().apply {
+		setTranslate(-x, -y)
+		postScale(scale, scale)
+		postTranslate(x, y)
+	}
+}
+
+private fun ImageView.getScale(): Float {
+	val values = FloatArray(9)
+	imageMatrix.getValues(values)
+	return values[Matrix.MSCALE_X]
+}
+
+private fun Bitmap.saveAsPng(outputStream: OutputStream, quality: Int = 90) =
+	compress(Bitmap.CompressFormat.PNG, quality, outputStream)
+
+private fun Bitmap.saveAsJpg(outputStream: OutputStream, quality: Int = 90) =
+	compress(Bitmap.CompressFormat.JPEG, quality, outputStream)
+
+private val fileNameCharacters = "[^A-Za-z0-9]".toRegex()
+private fun encodeFileName(name: String): String = fileNameCharacters
+	.replace(name, "_")
+	.take(16)
+	.trim('_')
+	.lowercase(Locale.getDefault())
+
+private fun getSize(step: Int) = when (step) {
+	0 -> 0
+	else -> 128 shl (step - 1)
+}
+
+private fun readAndAddToHistory(
+	bitmap: Bitmap,
+	format: BarcodeFormat
+) {
+	ZxingCpp.readBitmap(
+		bitmap,
+		0, 0,
+		bitmap.width, bitmap.height,
+		0,
+		ZxingCpp.ReaderOptions(
+			tryHarder = true,
+			tryRotate = true,
+			tryInvert = true,
+			tryDownscale = true,
+			maxNumberOfSymbols = 1,
+			formats = setOf(format)
+		)
+	)?.first {
+		val scan = it.toScan()
+		if (!prefs.shouldIgnoreHistoryContent(scan.text, scan.format.name)) {
+			db.insertScan(scan)
+		}
+		true
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/DecodeActivity.kt

@@ -0,0 +1,904 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.content.res.ColorStateList
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.os.Environment
+import android.provider.DocumentsContract
+import android.text.Editable
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.TextWatcher
+import android.text.style.TypefaceSpan
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TableLayout
+import android.widget.TableRow
+import android.widget.TextView
+import androidx.core.widget.TextViewCompat
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.ActionRegistry
+import de.markusfisch.android.binaryeye.actions.wifi.WifiAction
+import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
+import de.markusfisch.android.binaryeye.adapter.toFormatDescriptionResId
+import de.markusfisch.android.binaryeye.app.db
+import de.markusfisch.android.binaryeye.app.hasLocationPermission
+import de.markusfisch.android.binaryeye.app.hasWritePermission
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.content.ContentBarcode
+import de.markusfisch.android.binaryeye.content.ParsedContentType
+import de.markusfisch.android.binaryeye.content.copyToClipboard
+import de.markusfisch.android.binaryeye.content.openUrl
+import de.markusfisch.android.binaryeye.content.parseData
+import de.markusfisch.android.binaryeye.content.shareAsFile
+import de.markusfisch.android.binaryeye.content.shareText
+import de.markusfisch.android.binaryeye.content.toBarcode
+import de.markusfisch.android.binaryeye.content.toErrorCorrectionInt
+import de.markusfisch.android.binaryeye.content.wipeLastShareFile
+import de.markusfisch.android.binaryeye.database.Scan
+import de.markusfisch.android.binaryeye.database.toBundle
+import de.markusfisch.android.binaryeye.database.toScan
+import de.markusfisch.android.binaryeye.io.askForFileName
+import de.markusfisch.android.binaryeye.io.toSaveResult
+import de.markusfisch.android.binaryeye.io.writeExternalFile
+import de.markusfisch.android.binaryeye.net.createEncodeDeeplink
+import de.markusfisch.android.binaryeye.os.showWhenLocked
+import de.markusfisch.android.binaryeye.view.hideSoftKeyboard
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.widget.toast
+import de.markusfisch.android.zxingcpp.ZxingCpp
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.security.MessageDigest
+import kotlin.math.roundToInt
+import de.markusfisch.android.binaryeye.content.ParsedField as Field
+
+class DecodeActivity : AbstractBaseActivity() {
+	private lateinit var labelHeadlineView: TextView
+	private lateinit var contentView: EditText
+	private lateinit var contentHeadlineView: TextView
+	private lateinit var characterCountView: TextView
+	private lateinit var dataHeadlineView: TextView
+	private lateinit var formatHeadlineView: TextView
+	private lateinit var dataView: LinearLayout
+	private lateinit var metaHeadlineView: TextView
+	private lateinit var metaView: TableLayout
+	private lateinit var hexHeadlineView: TextView
+	private lateinit var hexView: TextView
+	private lateinit var formatDescriptionView: TextView
+	private lateinit var recreationView: ImageView
+	private lateinit var labelView: EditText
+	private lateinit var fab: FloatingActionButton
+	private lateinit var scan: Scan
+	private lateinit var format: String
+
+	private val parentJob = Job()
+	private val scope: CoroutineScope = CoroutineScope(
+		Dispatchers.Main + parentJob
+	)
+	private val dp: Float
+		get() = resources.displayMetrics.density
+	private val content: String
+		get() = contentView.text.toString()
+
+	private var closeAutomatically = false
+	private var action = ActionRegistry.DEFAULT_ACTION
+	private var isBinary = false
+	private var originalBytes: ByteArray = ByteArray(0)
+	private var lastParsedDataItems: List<Field> = emptyList()
+	private var showingDimmed = false
+	private var label: String? = null
+	private var recreationSize = 0
+
+	override fun onActivityResult(
+		requestCode: Int,
+		resultCode: Int,
+		resultData: Intent?
+	) {
+		super.onActivityResult(requestCode, resultCode, resultData)
+		when (requestCode) {
+			OPEN_DOCUMENT -> {
+				if (resultCode == Activity.RESULT_OK) {
+					val uri = resultData?.data ?: return
+					openPickedFile(uri)
+				}
+			}
+		}
+	}
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		if (intent.getBooleanExtra(SHOW_WHEN_LOCKED, false)) {
+			showWhenLocked()
+		}
+		setScreenContentView(R.layout.activity_decode)
+		setTitle(R.string.content)
+
+		val justScanned = intent.hasExtra(DECODED) || intent.hasExtra(DECODED_SCAN)
+		closeAutomatically = prefs.closeAutomatically && justScanned
+
+		scan = intent?.extras?.getBundle(SCAN_BUNDLE)?.toScan()
+			?: throw IllegalArgumentException("DecodeActivity needs a Scan")
+
+		isBinary = scan.text.isEmpty()
+		originalBytes = scan.raw ?: scan.text.toByteArray()
+		format = scan.format.name
+		recreationSize = (200f * dp).roundToInt()
+
+		labelHeadlineView = findViewById(R.id.label_headline)
+		contentView = findViewById(R.id.content)
+		contentHeadlineView = findViewById(R.id.content_headline)
+		characterCountView = findViewById(R.id.character_count)
+		dataHeadlineView = findViewById(R.id.data_headline)
+		formatHeadlineView = findViewById(R.id.format_headline)
+		dataView = findViewById(R.id.data)
+		metaHeadlineView = findViewById(R.id.meta_headline)
+		metaView = findViewById(R.id.meta)
+		hexHeadlineView = findViewById(R.id.hex_headline)
+		hexView = findViewById(R.id.hex)
+		formatDescriptionView = findViewById(R.id.format_description)
+		recreationView = findViewById(R.id.recreation)
+		labelView = findViewById(R.id.label)
+		fab = findViewById(R.id.open)
+
+		contentHeadlineView.setText(
+			if (isBinary) {
+				R.string.section_raw_barcode_content
+			} else {
+				R.string.section_raw_barcode_content_editable
+			}
+		)
+
+		if (prefs.showMetaData) {
+			val descResId = format.toFormatDescriptionResId()
+			formatHeadlineView.text = getString(
+				R.string.section_format_details,
+				format.prettifyFormatName()
+			)
+			formatHeadlineView.visibility = View.VISIBLE
+			if (descResId != 0) {
+				formatDescriptionView.setText(descResId)
+			} else {
+				formatDescriptionView.visibility = View.GONE
+			}
+			metaView.fillMetaView(scan)
+		} else {
+			formatHeadlineView.visibility = View.GONE
+			formatDescriptionView.visibility = View.GONE
+			metaHeadlineView.visibility = View.GONE
+			metaView.visibility = View.GONE
+		}
+
+		if (scan.id > 0) {
+			labelHeadlineView.visibility = View.VISIBLE
+			scan.label?.let {
+				labelView.setText(it)
+				label = it
+			}
+		} else {
+			labelHeadlineView.visibility = View.GONE
+			labelView.visibility = View.GONE
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		findViewById<View>(R.id.scroll_view).setPaddingFromWindowInsets()
+
+		initContentAndFab(justScanned)
+		updateViewsAndFab(scan.text, originalBytes)
+	}
+
+	override fun onPause() {
+		super.onPause()
+		val id = scan.id
+		if (id > 0) {
+			val newLabel = labelView.text.toString().trim()
+			if (newLabel != (label ?: "")) {
+				db.renameScan(id, newLabel)
+				label = newLabel
+			}
+		}
+		if (action.executed) {
+			maybeBackOrFinish()
+		}
+	}
+
+	override fun onDestroy() {
+		super.onDestroy()
+		parentJob.cancel()
+		wipeLastShareFile()
+	}
+
+	private fun initContentAndFab(justScanned: Boolean) {
+		if (isBinary) {
+			contentView.setText(String(originalBytes).foldNonAlNum())
+			contentView.isEnabled = false
+			fab.setImageResource(R.drawable.ic_action_save)
+			fab.setOnClickListener {
+				askForFileNameAndSave(originalBytes)
+			}
+		} else {
+			contentView.setText(scan.text)
+			contentView.addTextChangedListener(object : TextWatcher {
+				override fun afterTextChanged(s: Editable?) {
+					updateViewsAndFab(s?.toString() ?: "")
+				}
+
+				override fun beforeTextChanged(
+					s: CharSequence?,
+					start: Int,
+					count: Int,
+					after: Int
+				) = Unit
+
+				override fun onTextChanged(
+					s: CharSequence?,
+					start: Int,
+					before: Int,
+					count: Int
+				) = Unit
+			})
+			fab.setOnClickListener {
+				executeAction(content)
+			}
+			if (justScanned && prefs.openImmediately) {
+				closeAutomatically = true
+				executeAction(content)
+			}
+		}
+	}
+
+	private fun updateViewsAndFab(text: String, bytes: ByteArray? = null) {
+		val b = bytes ?: text.toByteArray()
+		resolveActionAndUpdateFab(b)
+		updateViews(text, b)
+	}
+
+	private fun resolveActionAndUpdateFab(bytes: ByteArray) {
+		if (!isBinary) {
+			val prevAction = action
+			if (!prevAction.canExecuteOn(bytes)) {
+				action = ActionRegistry.getAction(bytes)
+			}
+			if (prevAction !== action) {
+				fab.setImageResource(action.iconResId)
+			}
+		}
+		// Run this for the initial action too.
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+			fab.setOnLongClickListener { v ->
+				v.context.toast(action.titleResId)
+				true
+			}
+		} else {
+			fab.tooltipText = getString(action.titleResId)
+		}
+	}
+
+	private fun updateViews(text: String, bytes: ByteArray) {
+		dataView.fillDataView(text, bytes, text != scan.text)
+		characterCountView.text = resources.getQuantityString(
+			R.plurals.character_count,
+			bytes.size,
+			bytes.size
+		)
+		recreationView.showIf(prefs.showRecreation) { v ->
+			val unmodified: Boolean
+			val content = if (isBinary) {
+				if (bytes.isEmpty()) {
+					clearRecreation()
+					return@showIf
+				}
+				unmodified = bytes.contentEquals(originalBytes)
+				bytes
+			} else {
+				if (text.isEmpty()) {
+					clearRecreation()
+					return@showIf
+				}
+				unmodified = text == scan.text
+				text
+			}
+			val barcode = if (unmodified) {
+				scan.toBarcode()
+			} else {
+				ContentBarcode(
+					content,
+					scan.format,
+					scan.errorCorrectionLevel.toErrorCorrectionInt(),
+					addQuietZone = true
+				)
+			}
+			try {
+				v.setImageBitmap(barcode.bitmap(recreationSize))
+				v.setOnClickListener {
+					v.context.hideSoftKeyboard(contentView)
+					v.post {
+						startActivity(
+							BarcodeActivity.newIntent(this, barcode)
+						)
+					}
+				}
+			} catch (_: RuntimeException) {
+				clearRecreation()
+			}
+		}
+		hexView.showIf(prefs.showHexDump) { v ->
+			hexHeadlineView.visibility = View.VISIBLE
+			v.text = hexDump(bytes)
+			v.setOnClickListener {
+				copyToClipboard(bytes.toHexString())
+			}
+		}
+		if (!prefs.showHexDump) {
+			hexHeadlineView.visibility = View.GONE
+		}
+	}
+
+	private fun clearRecreation() {
+		recreationView.apply {
+			setImageBitmap(null)
+			setOnClickListener(null)
+		}
+	}
+
+	private fun LinearLayout.fillDataView(
+		text: String,
+		bytes: ByteArray,
+		isEditing: Boolean
+	) {
+		val items = mutableListOf<Field>()
+		val parsedData = parseData(this@DecodeActivity, text, bytes, format, action)
+		items.addAll(parsedData.fields)
+		when (prefs.showChecksum) {
+			"CRC4" -> items.addField(R.string.crc4, String.format("%X", crc4(bytes)))
+			"MD5" -> items.addField(R.string.md5, bytes.md5().toHexString().fold())
+			"SHA1" -> items.addField(R.string.sha1, bytes.sha1().toHexString().fold())
+			"SHA256" -> items.addField(R.string.sha256, bytes.sha256().toHexString().fold())
+		}
+		if (parsedData.type != ParsedContentType.UNKNOWN) {
+			items.add(
+				0,
+				Field(
+					R.string.parsed_type,
+					getString(parsedData.type.resId)
+				)
+			)
+			lastParsedDataItems = items
+			fillDataItems(items, false)
+			return
+		}
+		if (isEditing && lastParsedDataItems.isNotEmpty()) {
+			if (!showingDimmed) {
+				fillDataItems(lastParsedDataItems, true)
+			}
+			return
+		}
+		fillDataItems(items, false)
+	}
+
+	private fun TableLayout.fillMetaView(scan: Scan) {
+		val items = mutableListOf(
+			Field(R.string.error_correction_level, scan.errorCorrectionLevel),
+			Field(R.string.sequence_size, scan.sequenceSize.positiveToString()),
+			Field(R.string.sequence_index, scan.sequenceIndex.positiveToString()),
+			Field(R.string.sequence_id, scan.sequenceId),
+			Field(R.string.gtin_country, scan.country),
+			Field(R.string.gtin_add_on, scan.addOn),
+			Field(R.string.gtin_price, scan.price),
+			Field(R.string.gtin_issue_number, scan.issueNumber),
+		)
+		if (!scan.version.isNullOrBlank()) {
+			val versionString = if (scan.format == ZxingCpp.BarcodeFormat.QRCode) {
+				getString(
+					R.string.qr_version_and_modules,
+					scan.version,
+					(scan.version.toIntOrNull() ?: 0) * 4 + 17
+				)
+			} else {
+				scan.version
+			}
+			items.addField(R.string.barcode_version_number, versionString)
+		}
+		if (scan.format == ZxingCpp.BarcodeFormat.QRCode &&
+			scan.dataMask > -1
+		) {
+			items.addField(R.string.qr_data_mask, scan.dataMask.toString())
+		}
+		val itemsWithValues = items.filter { !it.value.isNullOrBlank() }
+		if (!itemsWithValues.isEmpty()) {
+			metaHeadlineView.visibility = View.VISIBLE
+			fillTable(itemsWithValues)
+		}
+	}
+
+	private fun TableLayout.fillTable(items: List<Field>) {
+		removeAllViews()
+		visibility = if (items.isEmpty()) View.GONE else {
+			val ctx = context
+			val spaceBetween = (16f * dp).roundToInt()
+			items.forEach { item ->
+				val text = item.value
+				val tr = TableRow(ctx)
+				val keyView = TextView(ctx).apply {
+					when (val key = item.key) {
+						is Int -> setText(key)
+						is String -> this.text = key
+						else -> this.text = key.toString()
+					}
+				}
+				val valueView = TextView(ctx).apply {
+					setPadding(spaceBetween, 0, 0, 0)
+					this.text = text
+					setOnClickListener {
+						copyToClipboard(text.toString())
+					}
+				}
+				tr.addView(keyView)
+				tr.addView(valueView)
+				addView(tr)
+			}
+			View.VISIBLE
+		}
+	}
+
+	private fun LinearLayout.fillDataItems(
+		items: List<Field>,
+		dimmed: Boolean
+	) {
+		showingDimmed = dimmed
+		removeAllViews()
+		if (items.isEmpty()) {
+			dataHeadlineView.visibility = View.GONE
+			visibility = View.GONE
+			return
+		}
+		dataHeadlineView.visibility = View.VISIBLE
+		val ctx = context
+		val spaceBetween = (16f * dp).roundToInt()
+		for (item in items) {
+			val text = item.value
+			if (text.isNullOrBlank()) {
+				continue
+			}
+
+			val rowView = LinearLayout(ctx).apply {
+				orientation = LinearLayout.VERTICAL
+				layoutParams = LinearLayout.LayoutParams(
+					LinearLayout.LayoutParams.MATCH_PARENT,
+					LinearLayout.LayoutParams.WRAP_CONTENT
+				).apply {
+					bottomMargin = spaceBetween
+				}
+				setBackgroundResource(R.drawable.list_selector)
+				setOnClickListener {
+					item.link?.let {
+						openUrl(it)
+					}
+					copyToClipboard(text.toString())
+				}
+			}
+
+			val keyView = TextView(ctx).apply {
+				TextViewCompat.setTextAppearance(
+					this,
+					R.style.SecondaryText
+				)
+				when (val key = item.key) {
+					is Int -> setText(key)
+					is String -> this.text = key
+					else -> this.text = key.toString()
+				}
+			}
+
+			val valueView = TextView(ctx).apply {
+				TextViewCompat.setTextAppearance(
+					this,
+					android.R.style.TextAppearance_Medium
+				)
+				setTextColor(
+					ColorStateList.valueOf(
+						ctx.obtainStyledAttributes(
+							intArrayOf(android.R.attr.textColorPrimary)
+						).run {
+							try {
+								getColor(0, currentTextColor)
+							} finally {
+								recycle()
+							}
+						}
+					)
+				)
+				this.text = text
+				if (item.link != null) {
+					setCompoundDrawablesWithIntrinsicBounds(
+						0,
+						0,
+						R.drawable.ic_action_open,
+						0
+					)
+					compoundDrawablePadding = spaceBetween / 2
+				}
+			}
+
+			val alpha = if (dimmed) 0.5f else 1f
+			keyView.alpha = alpha
+			valueView.alpha = alpha
+
+			rowView.addView(keyView)
+			rowView.addView(valueView)
+			addView(rowView)
+		}
+		visibility = View.VISIBLE
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		inflater.inflate(R.menu.fragment_decode, menu)
+		if (scan.id > 0L) {
+			menu.findItem(R.id.remove).isVisible = true
+		}
+		if (action is WifiAction) {
+			menu.findItem(R.id.copy_password).isVisible = true
+		}
+	}
+
+	override fun onOptionsItemSelected(item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.copy_password -> {
+				copyPasswordToClipboard()
+				maybeBackOrFinish()
+				true
+			}
+
+			R.id.copy_to_clipboard -> {
+				copyToClipboard(textOrHex())
+				maybeBackOrFinish()
+				true
+			}
+
+			R.id.copy_as_deeplink -> {
+				copyToClipboard(deeplinkToCopy())
+				maybeBackOrFinish()
+				true
+			}
+
+			R.id.share -> {
+				shareText(textOrHex())
+				maybeBackOrFinish()
+				true
+			}
+
+			R.id.share_file -> {
+				val (data, name) = if (isBinary) {
+					Pair(originalBytes, "barcode_content.bin")
+				} else {
+					Pair(content, "barcode_content.txt")
+				}
+				shareAsFile(data, name)
+				maybeBackOrFinish()
+				true
+			}
+
+			R.id.create -> {
+				startActivity(
+					EncodeActivity.newIntent(
+						this,
+						if (isBinary) originalBytes else content,
+						format
+					)
+				)
+				true
+			}
+
+			R.id.remove -> {
+				askToRemoveScan(scan.id)
+				true
+			}
+
+			else -> super.onOptionsItemSelected(item)
+		}
+	}
+
+	private fun askToRemoveScan(id: Long) {
+		MaterialAlertDialogBuilder(this)
+			.setMessage(R.string.really_remove_scan)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				db.removeScan(id)
+				backOrFinish()
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ ->
+			}
+			.show()
+	}
+
+	private fun textOrHex() = if (isBinary) {
+		originalBytes.toHexString()
+	} else {
+		content
+	}
+
+	private fun deeplinkToCopy() = createEncodeDeeplink(
+		format = format,
+		content = textOrHex(),
+	)
+
+	private fun copyPasswordToClipboard() {
+		val ac = action
+		if (ac is WifiAction) {
+			ac.password?.let { password ->
+				copyToClipboard(password, isSensitive = true)
+			}
+		}
+	}
+
+	private fun copyToClipboard(text: String, isSensitive: Boolean = false) {
+		(this as android.content.Context).copyToClipboard(text, isSensitive)
+		// There's a clipboard popup from Android 13 on.
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+			toast(R.string.copied_to_clipboard)
+		}
+	}
+
+	private fun maybeBackOrFinish() {
+		if (closeAutomatically) {
+			backOrFinish()
+		}
+	}
+
+	private fun backOrFinish() {
+		finish()
+	}
+
+	private fun executeAction(str: String) {
+		if (str.isEmpty() || openLocalDocument(str)) {
+			return
+		}
+		if (action is WifiAction &&
+			Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
+			!hasLocationPermission { executeAction(str) }
+		) {
+			return
+		}
+		scope.launch {
+			action.execute(this@DecodeActivity, str.toByteArray())
+		}
+	}
+
+	private fun openLocalDocument(str: String): Boolean {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N ||
+			!str.startsWith(SCHEME_FILE)
+		) {
+			return false
+		}
+		// Needs to be disabled so we get the result.
+		closeAutomatically = false
+		// file:// can't be used with Scoped Storage anymore.
+		startActivityForResult(
+			Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+				addCategory(Intent.CATEGORY_OPENABLE)
+				type = "*/*"
+				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+					val primary = str.substring(
+						SCHEME_FILE.length
+					).localDirName() ?: Environment.getExternalStorageDirectory().path
+					putExtra(
+						DocumentsContract.EXTRA_INITIAL_URI,
+						DocumentsContract.buildDocumentUri(
+							"com.android.externalstorage.documents",
+							"primary:$primary"
+						)
+					)
+				}
+			},
+			OPEN_DOCUMENT
+		)
+		return true
+	}
+
+	private fun askForFileNameAndSave(raw: ByteArray) {
+		// Write permission is only required before Android Q.
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
+			!hasWritePermission { askForFileNameAndSave(raw) }
+		) {
+			return
+		}
+		scope.launch(Dispatchers.Main) {
+			val name = askForFileName() ?: return@launch
+			withContext(Dispatchers.IO) {
+				val message = writeExternalFile(
+					name,
+					"application/octet-stream"
+				) {
+					it.write(raw)
+				}.toSaveResult()
+				withContext(Dispatchers.Main) {
+					toast(message)
+				}
+			}
+		}
+	}
+
+	companion object {
+		const val DECODED_SCAN = "decoded_scan"
+		const val DECODED = "decoded"
+		private const val SCAN_BUNDLE = "scan_bundle"
+		private const val OPEN_DOCUMENT = 1
+		private const val SCHEME_FILE = "file://"
+		private const val SHOW_WHEN_LOCKED = "show_when_locked"
+
+		fun newIntent(
+			context: Context,
+			scan: Scan,
+			showWhenLocked: Boolean = false
+		): Intent {
+			val args = Bundle()
+			args.putBundle(SCAN_BUNDLE, scan.toBundle())
+			return Intent(context, DecodeActivity::class.java).apply {
+				putExtra(DECODED_SCAN, true)
+				putExtra(SHOW_WHEN_LOCKED, showWhenLocked)
+				putExtras(args)
+			}
+		}
+	}
+}
+
+private fun MutableList<Field>.addField(
+	key: Any,
+	value: CharSequence?,
+	link: String? = null
+) {
+	add(Field(key, value, link))
+}
+
+private inline fun <T : View> T.showIf(
+	visible: Boolean,
+	block: (T) -> Unit
+) {
+	visibility = if (visible) {
+		block.invoke(this)
+		View.VISIBLE
+	} else {
+		View.GONE
+	}
+}
+
+private val nonAlNum = "[^a-zA-Z0-9]".toRegex()
+private val multipleDots = "…+".toRegex()
+private fun String.foldNonAlNum() = replace(nonAlNum, "…")
+	.replace(multipleDots, "…")
+
+private fun hexDump(bytes: ByteArray, charsPerLine: Int = 33): String {
+	if (charsPerLine < 4 || bytes.isEmpty()) {
+		return ""
+	}
+	val dump = StringBuilder()
+	val hex = StringBuilder()
+	val ascii = StringBuilder()
+	val itemsPerLine = (charsPerLine - 1) / 4
+	val len = bytes.size
+	var i = 0
+	while (true) {
+		val ord = bytes[i]
+		hex.append(String.format("%02X ", ord))
+		ascii.append(if (ord > 31) ord.toInt().toChar() else " ")
+		++i
+		val posInLine = i % itemsPerLine
+		val atEnd = i >= len
+		var atLineEnd = posInLine == 0
+		if (atEnd && !atLineEnd) {
+			for (j in posInLine until itemsPerLine) {
+				hex.append("   ")
+			}
+			atLineEnd = true
+		}
+		if (atLineEnd) {
+			dump.append(hex.toString())
+			dump.append(" ")
+			dump.append(ascii.toString())
+			dump.append("\n")
+			hex.setLength(0)
+			ascii.setLength(0)
+		}
+		if (atEnd) {
+			break
+		}
+	}
+	return dump.toString()
+}
+
+private fun Int.positiveToString() = if (this > -1) this.toString() else ""
+
+// CRC-4 with polynomial x^4 + x + 1.
+private fun crc4(input: ByteArray): Int {
+	var crc = 0
+	var i = 0
+	while (i < input.size) {
+		val c = input[i].toInt()
+		var j = 0x80
+		while (j != 0) {
+			var bit = crc and 0x8
+			crc = crc shl 1
+			if (c and j != 0) {
+				bit = bit xor 0x8
+			}
+			if (bit != 0) {
+				crc = crc xor 0x3
+			}
+			j = j ushr 1
+		}
+		++i
+	}
+	crc = crc and 0xF
+	return crc
+}
+
+private fun ByteArray.md5(): ByteArray = MessageDigest.getInstance(
+	"MD5"
+).run {
+	update(this@md5)
+	digest()
+}
+
+private fun ByteArray.sha1(): ByteArray = MessageDigest.getInstance(
+	"SHA-1"
+).run {
+	update(this@sha1)
+	digest()
+}
+
+private fun ByteArray.sha256(): ByteArray = MessageDigest.getInstance(
+	"SHA-256"
+).run {
+	update(this@sha256)
+	digest()
+}
+
+private fun String.fold(): CharSequence {
+	val l = length
+	return if (l > 10) {
+		val half = l / 2
+		val s = substring(0, half) + "\n" + substring(half)
+		SpannableString(s).apply {
+			setSpan(
+				TypefaceSpan("monospace"),
+				0, s.length,
+				Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+			)
+		}
+	} else {
+		this
+	}
+}
+
+private fun String.localDirName(): String? = when {
+	endsWith("/") -> this
+	else -> File(this).parentFile?.absolutePath
+}?.replaceFirst(Regex("^/storage/emulated/0/"), "")
+	?.replaceFirst(Regex("^/sdcard/"), "")
+	?.trim('/')
+
+private fun Activity.openPickedFile(uri: Uri) {
+	startActivity(
+		Intent.createChooser(
+			Intent(Intent.ACTION_VIEW).apply {
+				setDataAndType(uri, contentResolver.getType(uri) ?: "*/*")
+				addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+			},
+			getString(R.string.open_url)
+		)
+	)
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/EncodeActivity.kt

@@ -0,0 +1,470 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.CheckBox
+import android.widget.EditText
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.appcompat.widget.SwitchCompat
+import androidx.core.net.toUri
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
+import de.markusfisch.android.binaryeye.adapter.toFormatDescriptionResId
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.net.isEncodeDeeplink
+import de.markusfisch.android.binaryeye.text.unescape
+import de.markusfisch.android.binaryeye.view.hideSoftKeyboard
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.widget.toast
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
+import java.io.InputStream
+import kotlin.math.min
+
+class EncodeActivity : AbstractBaseActivity() {
+	private lateinit var formatView: Spinner
+	private lateinit var formatDescriptionView: TextView
+	private lateinit var ecLabel: TextView
+	private lateinit var ecSpinner: Spinner
+	private lateinit var colorsLabel: TextView
+	private lateinit var colorsSpinner: Spinner
+	private lateinit var addQuietZoneSwitch: SwitchCompat
+	private lateinit var contentView: EditText
+	private lateinit var unescapeCheckBox: CheckBox
+
+	private val writeableFormats = arrayListOf(
+		BarcodeFormat.Aztec,
+		BarcodeFormat.Codabar,
+		BarcodeFormat.Code39Std,
+		BarcodeFormat.Code39Ext,
+		BarcodeFormat.Code32,
+		BarcodeFormat.PZN,
+		BarcodeFormat.Code93,
+		BarcodeFormat.Code128,
+		BarcodeFormat.DataBar,
+		BarcodeFormat.DataBarOmni,
+		BarcodeFormat.DataBarStk,
+		BarcodeFormat.DataBarLtd,
+		BarcodeFormat.DataBarExp,
+		BarcodeFormat.DataBarExpStk,
+		BarcodeFormat.DataMatrix,
+		BarcodeFormat.DXFilmEdge,
+		BarcodeFormat.EAN8,
+		BarcodeFormat.EAN13,
+		BarcodeFormat.ITF,
+		BarcodeFormat.MaxiCode,
+		BarcodeFormat.PDF417,
+		BarcodeFormat.QRCode,
+		BarcodeFormat.MicroQRCode,
+		BarcodeFormat.RMQRCode,
+		BarcodeFormat.UPCA,
+		BarcodeFormat.UPCE,
+	)
+
+	private var bytes: ByteArray? = null
+
+	override fun onActivityResult(
+		requestCode: Int,
+		resultCode: Int,
+		resultData: Intent?
+	) {
+		super.onActivityResult(requestCode, resultCode, resultData)
+		when (requestCode) {
+			PICK_FILE_RESULT_CODE -> {
+				if (resultCode == Activity.RESULT_OK &&
+					resultData != null &&
+					resultData.data != null
+				) {
+					hideSoftKeyboard(contentView)
+					val uri = resultData.data ?: return
+					bytes = contentResolver?.openInputStream(uri)?.use {
+						it.readBytesMax(4096)
+					} ?: return
+					setEncodeByteArray()
+				}
+			}
+		}
+	}
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_encode)
+		setTitle(R.string.compose_barcode)
+
+		formatView = findViewById(R.id.format)
+		formatDescriptionView = findViewById(R.id.format_description)
+		val formatAdapter = ArrayAdapter(
+			this,
+			android.R.layout.simple_spinner_item,
+			writeableFormats.map { it.name.prettifyFormatName() }
+		)
+		formatAdapter.setDropDownViewResource(
+			android.R.layout.simple_spinner_dropdown_item
+		)
+		formatView.adapter = formatAdapter
+		formatView.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+			override fun onItemSelected(
+				parentView: AdapterView<*>?,
+				selectedItemView: View?,
+				position: Int,
+				id: Long
+			) {
+				val format = writeableFormats[position]
+				val descResId = format.name.toFormatDescriptionResId()
+				if (descResId != 0) {
+					formatDescriptionView.setText(descResId)
+					formatDescriptionView.visibility = View.VISIBLE
+				} else {
+					formatDescriptionView.visibility = View.GONE
+				}
+				val arrayId = when (format) {
+					BarcodeFormat.Aztec -> R.array.aztec_error_correction_levels
+					BarcodeFormat.QRCode -> R.array.qr_error_correction_levels
+					BarcodeFormat.MicroQRCode -> R.array.mqr_error_correction_levels
+					BarcodeFormat.RMQRCode -> R.array.rmqr_error_correction_levels
+					BarcodeFormat.PDF417 -> R.array.pdf417_error_correction_levels
+					else -> 0
+				}
+				if (arrayId > 0) {
+					ecSpinner.setEntries(arrayId)
+					val idx = format.unpackEcLevel(
+						prefs.indexOfLastSelectedEcLevel
+					)
+					if (idx < ecSpinner.adapter.count) {
+						ecSpinner.setSelection(idx)
+					}
+					true
+				} else {
+					false
+				}.setVisibilityFor(ecLabel, ecSpinner)
+				format.canBeInverted().setVisibilityFor(
+					colorsLabel, colorsSpinner
+				)
+			}
+
+			override fun onNothingSelected(parentView: AdapterView<*>?) {}
+		}
+
+		ecLabel = findViewById(R.id.error_correction_label)
+		ecSpinner = findViewById(R.id.error_correction_level)
+		ecSpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+			override fun onItemSelected(
+				parentView: AdapterView<*>?,
+				selectedItemView: View?,
+				position: Int,
+				id: Long
+			) {
+				val format = writeableFormats[formatView.selectedItemPosition]
+				prefs.indexOfLastSelectedEcLevel = format.packEcLevel(
+					prefs.indexOfLastSelectedEcLevel,
+					position
+				)
+			}
+
+			override fun onNothingSelected(parentView: AdapterView<*>?) {}
+		}
+
+		colorsLabel = findViewById(R.id.colors_label)
+		colorsSpinner = findViewById(R.id.colors)
+		addQuietZoneSwitch = findViewById(R.id.add_quiet_zone)
+		addQuietZoneSwitch.isChecked = prefs.addQuietZone
+
+		contentView = findViewById(R.id.content)
+		unescapeCheckBox = findViewById(R.id.unescape)
+		unescapeCheckBox.isChecked = prefs.expandEscapeSequences
+
+		applyIntent(state == null)
+
+		findViewById<View>(R.id.encode).setOnClickListener {
+			it.context.encode()
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		findViewById<View>(R.id.scroll_view).setPaddingFromWindowInsets()
+	}
+
+	override fun onNewIntent(intent: Intent) {
+		super.onNewIntent(intent)
+		setIntent(intent)
+		applyIntent(true)
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		inflater.inflate(R.menu.fragment_encode, menu)
+	}
+
+	override fun onOptionsItemSelected(item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.pick_file -> {
+				startActivityForResult(
+					Intent.createChooser(
+						Intent(Intent.ACTION_GET_CONTENT).apply {
+							type = "*/*"
+						},
+						getString(R.string.pick_file)
+					),
+					PICK_FILE_RESULT_CODE
+				)
+				true
+			}
+
+			else -> super.onOptionsItemSelected(item)
+		}
+	}
+
+	override fun onPause() {
+		super.onPause()
+		prefs.indexOfLastSelectedFormat = formatView.selectedItemPosition
+		prefs.expandEscapeSequences = unescapeCheckBox.isChecked
+		prefs.addQuietZone = addQuietZoneSwitch.isChecked
+	}
+
+	private fun applyIntent(applyDefaultFormat: Boolean) {
+		val args = Bundle().apply {
+			intent?.extras?.let { putAll(it) }
+			getExtrasFromDeeplink()?.let { putAll(it) }
+		}.takeIf { !it.isEmpty }
+		val hasTextContent = args?.containsKey(CONTENT_TEXT) == true
+		val hasRawContent = args?.containsKey(CONTENT_RAW) == true
+		var complete = bytes?.isNotEmpty() == true ||
+				contentView.text?.isNotEmpty() == true
+
+		if (hasTextContent || hasRawContent) {
+			bytes = null
+			contentView.isEnabled = true
+			contentView.hint = null
+			unescapeCheckBox.isEnabled = true
+		}
+
+		if (hasTextContent) {
+			args.getString(CONTENT_TEXT)?.let {
+				contentView.setText(it)
+				complete = it.isNotEmpty()
+			}
+		}
+		if (hasRawContent) {
+			args.getByteArray(CONTENT_RAW)?.let {
+				bytes = it
+				complete = it.isNotEmpty()
+				setEncodeByteArray()
+			}
+		}
+
+		val barcodeFormat = args?.getString(FORMAT)
+		if (barcodeFormat != null) {
+			formatView.setSelection(
+				writeableFormats.indexOf(barcodeFormat.toFormat())
+			)
+		} else if (applyDefaultFormat) {
+			formatView.post {
+				formatView.setSelection(prefs.indexOfLastSelectedFormat)
+			}
+		}
+
+		if (complete &&
+			args?.getBoolean(EXECUTE, false) == true
+		) {
+			contentView.post {
+				val content = contentView.context.getContent() ?: return@post
+				startActivity(newBarcodeIntent(content))
+				finish()
+			}
+		}
+	}
+
+	private fun Context.encode() {
+		hideSoftKeyboard(contentView)
+		val content = getContent() ?: return
+		contentView.post {
+			startActivity(newBarcodeIntent(content))
+		}
+	}
+
+	private fun newBarcodeIntent(content: Any): Intent {
+		val format = writeableFormats[formatView.selectedItemPosition]
+		return BarcodeActivity.newIntent(
+			this,
+			content,
+			format,
+			format.getErrorCorrectionLevel(ecSpinner.selectedItemPosition),
+			addQuietZoneSwitch.isChecked,
+			if (format.canBeInverted()) {
+				colorsSpinner.selectedItemPosition
+			} else 0
+		)
+	}
+
+	private fun Context.getContent(): Any? {
+		if (bytes != null) {
+			return bytes
+		}
+		var text = contentView.text.toString()
+		if (text.isEmpty()) {
+			toast(R.string.error_no_content)
+			return null
+		}
+		if (!unescapeCheckBox.isChecked) {
+			return text
+		}
+		try {
+			text = text.unescape()
+		} catch (e: IllegalArgumentException) {
+			toast(e.message ?: "Invalid escape sequence")
+			return null
+		}
+		// Return a ByteArray if there were escape sequences for
+		// non-printable characters.
+		return if (text.any { it.code < 32 && it.code !in setOf(9, 10, 13) }) {
+			// Do not expand UTF-8 sequences in binary data.
+			text.toByteArray(Charsets.ISO_8859_1)
+		} else {
+			text
+		}
+	}
+
+	private fun setEncodeByteArray() {
+		contentView.text = null
+		contentView.hint = getString(R.string.binary_data)
+		contentView.isEnabled = false
+		unescapeCheckBox.isEnabled = false
+	}
+
+	private fun getExtrasFromDeeplink(): Bundle? {
+		val data = intent?.dataString ?: return null
+		if (!isEncodeDeeplink(data)) {
+			return null
+		}
+		val uri = data.toUri()
+		return Bundle().apply {
+			uri.getQueryParameter("content")?.let {
+				putString(CONTENT_TEXT, it)
+			}
+			uri.getQueryParameter("format")?.let {
+				putString(FORMAT, it)
+			}
+			putBoolean(
+				EXECUTE,
+				uri.getQueryParameter("execute").let {
+					it == "" || it?.toBoolean() == true
+				}
+			)
+		}
+	}
+
+	companion object {
+		private const val CONTENT_TEXT = "content_text"
+		private const val CONTENT_RAW = "content_raw"
+		private const val FORMAT = "format"
+		private const val EXECUTE = "execute"
+		private const val PICK_FILE_RESULT_CODE = 1
+
+		fun <T> newIntent(
+			context: Context,
+			content: T? = null,
+			format: String? = null,
+			execute: Boolean = false
+		): Intent {
+			val args = Bundle()
+			content?.let {
+				when (content) {
+					is String -> args.putString(CONTENT_TEXT, content)
+					is ByteArray -> args.putByteArray(CONTENT_RAW, content)
+					else -> throw IllegalArgumentException(
+						"content must be a String or a ByteArray"
+					)
+				}
+				args.putBoolean(EXECUTE, execute)
+			}
+			format?.let { args.putString(FORMAT, it) }
+			return Intent(context, EncodeActivity::class.java).apply {
+				putExtras(args)
+			}
+		}
+	}
+}
+
+private fun Boolean.setVisibilityFor(vararg views: View) {
+	val visibility = if (this) View.VISIBLE else View.GONE
+	for (view in views) {
+		view.visibility = visibility
+	}
+}
+
+private fun BarcodeFormat.packEcLevel(packed: Int, level: Int): Int {
+	val s = ecLevelShift()
+	return (level shl s) or (packed and (15 shl s).inv())
+}
+
+private fun BarcodeFormat.unpackEcLevel(packed: Int) =
+	(packed shr ecLevelShift()) and 15
+
+private fun BarcodeFormat.ecLevelShift() = when (this) {
+	BarcodeFormat.Aztec -> 0
+	BarcodeFormat.QRCode -> 4
+	BarcodeFormat.MicroQRCode -> 3
+	BarcodeFormat.RMQRCode -> 2
+	BarcodeFormat.PDF417 -> 8
+	else -> throw IllegalArgumentException("$this does not have error levels")
+}
+
+private fun BarcodeFormat.canBeInverted() = when (this) {
+	BarcodeFormat.Aztec,
+	BarcodeFormat.DataMatrix,
+	BarcodeFormat.QRCode,
+	BarcodeFormat.MicroQRCode,
+	BarcodeFormat.RMQRCode -> true
+
+	else -> false
+}
+
+private fun String.toFormat(
+	default: BarcodeFormat = BarcodeFormat.QRCode
+): BarcodeFormat = try {
+	BarcodeFormat.valueOf(this)
+} catch (_: IllegalArgumentException) {
+	default
+}
+
+private fun BarcodeFormat.getErrorCorrectionLevel(position: Int) = when (this) {
+	BarcodeFormat.Aztec -> position
+	BarcodeFormat.QRCode,
+	BarcodeFormat.MicroQRCode -> (position + 1) * 2
+
+	BarcodeFormat.RMQRCode -> (position + 1) * 4
+	BarcodeFormat.PDF417 -> position
+	else -> 0
+}.coerceIn(0, 8)
+
+private fun Spinner.setEntries(resId: Int) = ArrayAdapter.createFromResource(
+	this.context,
+	resId,
+	android.R.layout.simple_spinner_item
+).also { aa ->
+	aa.setDropDownViewResource(
+		android.R.layout.simple_spinner_dropdown_item
+	)
+	adapter = aa
+}
+
+private fun InputStream.readBytesMax(max: Int): ByteArray {
+	var offset = 0
+	var remaining = min(available(), max)
+	val result = ByteArray(remaining)
+	while (remaining > 0) {
+		val read = read(result, offset, remaining)
+		if (read < 0) {
+			break
+		}
+		remaining -= read
+		offset += read
+	}
+	return result
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/HistoryActivity.kt

@@ -1,36 +1,54 @@
-package de.markusfisch.android.binaryeye.fragment
+package de.markusfisch.android.binaryeye.activity
 
 import android.annotation.SuppressLint
-import android.app.AlertDialog
 import android.app.SearchManager
 import android.content.Context
 import android.database.Cursor
+import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.os.Parcelable
-import android.support.v4.app.ActivityCompat
-import android.support.v4.app.Fragment
-import android.support.v4.content.ContextCompat
-import android.support.v7.app.AppCompatActivity
-import android.support.v7.view.ActionMode
-import android.support.v7.widget.SearchView
-import android.support.v7.widget.SwitchCompat
-import android.view.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
 import android.widget.EditText
 import android.widget.ListView
+import androidx.appcompat.view.ActionMode
+import androidx.appcompat.widget.SearchView
+import androidx.appcompat.widget.SwitchCompat
+import com.google.android.material.color.MaterialColors
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.adapter.ScansAdapter
-import de.markusfisch.android.binaryeye.app.*
+import de.markusfisch.android.binaryeye.app.alertDialog
+import de.markusfisch.android.binaryeye.app.db
+import de.markusfisch.android.binaryeye.app.hasWritePermission
+import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.content.copyToClipboard
+import de.markusfisch.android.binaryeye.content.shareAsFile
 import de.markusfisch.android.binaryeye.content.shareText
-import de.markusfisch.android.binaryeye.database.*
+import de.markusfisch.android.binaryeye.content.wipeLastShareFile
+import de.markusfisch.android.binaryeye.database.Database
+import de.markusfisch.android.binaryeye.database.exportCsv
+import de.markusfisch.android.binaryeye.database.exportDatabase
+import de.markusfisch.android.binaryeye.database.exportJson
 import de.markusfisch.android.binaryeye.io.askForFileName
 import de.markusfisch.android.binaryeye.io.toSaveResult
-import de.markusfisch.android.binaryeye.view.*
+import de.markusfisch.android.binaryeye.view.lockStatusBarColor
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.view.systemBarListViewScrollListener
+import de.markusfisch.android.binaryeye.view.unlockStatusBarColor
+import de.markusfisch.android.binaryeye.view.useVisibility
 import de.markusfisch.android.binaryeye.widget.toast
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
-class HistoryFragment : Fragment() {
+class HistoryActivity : AbstractBaseActivity() {
 	private lateinit var useHistorySwitch: SwitchCompat
 	private lateinit var listView: ListView
 	private lateinit var fab: View
@@ -47,12 +65,15 @@ class HistoryFragment : Fragment() {
 				R.menu.fragment_history_edit,
 				menu
 			)
-			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+			// SDK35+ doesn't draw a status bar background anymore.
+			if (Build.VERSION.SDK_INT < Build.VERSION_CODES.VANILLA_ICE_CREAM) {
 				lockStatusBarColor()
-				val ac = activity ?: return false
-				ac.window.statusBarColor = ContextCompat.getColor(
+				val ac = this@HistoryActivity
+				@Suppress("DEPRECATION")
+				ac.window.statusBarColor = MaterialColors.getColor(
 					ac,
-					R.color.accent_dark
+					com.google.android.material.R.attr.colorSecondaryContainer,
+					Color.TRANSPARENT
 				)
 			}
 			return true
@@ -69,7 +90,7 @@ class HistoryFragment : Fragment() {
 			mode: ActionMode,
 			item: MenuItem
 		): Boolean {
-			val ac = activity ?: return false
+			val ac = this@HistoryActivity
 			return when (item.itemId) {
 				R.id.copy_scan -> {
 					scansAdapter?.getSelectedContent("\n")?.let {
@@ -79,7 +100,8 @@ class HistoryFragment : Fragment() {
 					closeActionMode()
 					true
 				}
-				R.id.edit_scan -> {
+
+				R.id.edit_label -> {
 					scansAdapter?.forSelection { id, position ->
 						ac.askForName(
 							id,
@@ -90,6 +112,7 @@ class HistoryFragment : Fragment() {
 					closeActionMode()
 					true
 				}
+
 				R.id.remove_scan -> {
 					scansAdapter?.getSelectedIds()?.let {
 						if (it.isNotEmpty()) {
@@ -99,6 +122,7 @@ class HistoryFragment : Fragment() {
 					closeActionMode()
 					true
 				}
+
 				else -> false
 			}
 		}
@@ -114,39 +138,30 @@ class HistoryFragment : Fragment() {
 	private var filter: String? = null
 	private var clearListMenuItem: MenuItem? = null
 	private var exportHistoryMenuItem: MenuItem? = null
+	private var shareAsFileMenuItem: MenuItem? = null
 
 	override fun onCreate(state: Bundle?) {
 		super.onCreate(state)
-		setHasOptionsMenu(true)
-	}
+		setScreenContentView(R.layout.activity_history)
+		setTitle(R.string.history)
 
-	override fun onCreateView(
-		inflater: LayoutInflater,
-		container: ViewGroup?,
-		state: Bundle?
-	): View? {
-		val ac = activity ?: return null
-		ac.setTitle(R.string.history)
-
-		val view = inflater.inflate(
-			R.layout.fragment_history,
-			container,
-			false
-		)
-
-		useHistorySwitch = view.findViewById(
+		useHistorySwitch = findViewById(
 			R.id.use_history
-		) as SwitchCompat
+		)
 		initHistorySwitch(useHistorySwitch)
 
-		listView = view.findViewById(R.id.scans)
-		listView.setOnItemClickListener { _, _, _, id ->
-			showScan(id)
+		listView = findViewById(R.id.scans)
+		listView.setOnItemClickListener { _, v, position, id ->
+			if (actionMode != null) {
+				scansAdapter?.select(v, id, position)
+			} else {
+				showScan(id)
+			}
 		}
 		listView.setOnItemLongClickListener { _, v, position, id ->
 			scansAdapter?.select(v, id, position)
-			if (actionMode == null && ac is AppCompatActivity) {
-				actionMode = ac.delegate.startSupportActionMode(
+			if (actionMode == null) {
+				actionMode = delegate.startSupportActionMode(
 					actionModeCallback
 				)
 			}
@@ -154,25 +169,27 @@ class HistoryFragment : Fragment() {
 		}
 		listView.setOnScrollListener(systemBarListViewScrollListener)
 
-		fab = view.findViewById(R.id.share)
+		fab = findViewById(R.id.share)
 		fab.setOnClickListener { v ->
-			v.context.pickListSeparatorAndShare()
+			v.context.pickListSeparatorAndShare(false)
 		}
 
-		progressView = view.findViewById(R.id.progress_view)
+		progressView = findViewById(R.id.progress_view)
 
-		(view.findViewById(R.id.inset_layout) as View).setPaddingFromWindowInsets()
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
 		listView.setPaddingFromWindowInsets()
-
-		update()
-
-		return view
 	}
 
 	override fun onDestroy() {
 		super.onDestroy()
 		scansAdapter?.changeCursor(null)
 		parentJob.cancel()
+		wipeLastShareFile()
+	}
+
+	override fun onResume() {
+		super.onResume()
+		update()
 	}
 
 	override fun onPause() {
@@ -182,49 +199,61 @@ class HistoryFragment : Fragment() {
 
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		inflater.inflate(R.menu.fragment_history, menu)
-		initSearchView(menu.findItem(R.id.search))
-		menu.setGroupVisible(R.id.scans_available, scansAdapter?.count != 0)
-		clearListMenuItem = menu.findItem(R.id.clear)
-		exportHistoryMenuItem = menu.findItem(R.id.export_history)
+		val searchMenuItem = menu.findItem(R.id.search)
+		initSearchView(searchMenuItem)
+		val visible = scansAdapter?.count != 0
+		searchMenuItem?.isVisible = visible
+		exportHistoryMenuItem = menu.findItem(R.id.export_history)?.apply {
+			isVisible = visible
+		}
+		shareAsFileMenuItem = menu.findItem(R.id.share_as_file)?.apply {
+			isVisible = visible
+		}
+		clearListMenuItem = menu.findItem(R.id.clear)?.apply {
+			isVisible = visible
+		}
 	}
 
 	private fun initSearchView(item: MenuItem?) {
 		item ?: return
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
-			item.isVisible = false
-		} else {
-			val ac = activity ?: return
-			val searchView = item.actionView as SearchView
-			val searchManager = ac.getSystemService(
-				Context.SEARCH_SERVICE
-			) as SearchManager
-			searchView.setSearchableInfo(
-				searchManager.getSearchableInfo(ac.componentName)
-			)
-			searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
-				override fun onQueryTextSubmit(query: String): Boolean {
-					update(query)
-					return false
-				}
+		val ac = this
+		val searchView = item.actionView as SearchView
+		val searchManager = ac.getSystemService(
+			Context.SEARCH_SERVICE
+		) as SearchManager
+		searchView.setSearchableInfo(
+			searchManager.getSearchableInfo(ac.componentName)
+		)
+		searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+			override fun onQueryTextSubmit(query: String): Boolean {
+				update(query)
+				return false
+			}
 
-				override fun onQueryTextChange(query: String): Boolean {
-					update(query)
-					return false
-				}
-			})
-		}
+			override fun onQueryTextChange(query: String): Boolean {
+				update(query)
+				return false
+			}
+		})
 	}
 
 	override fun onOptionsItemSelected(item: MenuItem): Boolean {
 		return when (item.itemId) {
 			R.id.clear -> {
-				context.askToRemoveScans()
+				this.askToRemoveScans()
 				true
 			}
+
 			R.id.export_history -> {
 				askToExportToFile()
 				true
 			}
+
+			R.id.share_as_file -> {
+				this.pickListSeparatorAndShare(true)
+				true
+			}
+
 			else -> super.onOptionsItemSelected(item)
 		}
 	}
@@ -248,13 +277,13 @@ class HistoryFragment : Fragment() {
 		scope.launch {
 			val cursor = db.getScans(filter)
 			withContext(Dispatchers.Main) {
-				val ac = activity ?: return@withContext
-				val hasScans = cursor != null && cursor.count > 0
+				val ac = this@HistoryActivity
+				val hasScans = cursor.count > 0
 				if (filter == null) {
 					if (!hasScans) {
 						listView.emptyView = useHistorySwitch
 					}
-					ActivityCompat.invalidateOptionsMenu(ac)
+					ac.invalidateOptionsMenu()
 				}
 				enableMenuItems(hasScans)
 				fab.visibility = if (hasScans) {
@@ -262,10 +291,19 @@ class HistoryFragment : Fragment() {
 				} else {
 					View.GONE
 				}
-				cursor?.let { cursor ->
+				cursor.let { cursor ->
 					// Close previous cursor.
 					scansAdapter?.also { it.changeCursor(null) }
-					scansAdapter = ScansAdapter(ac, cursor)
+					scansAdapter = ScansAdapter(ac, cursor) { id, pinned ->
+						if (actionMode == null) {
+							scope.launch {
+								db.setPinned(id, pinned)
+								withContext(Dispatchers.Main) {
+									update()
+								}
+							}
+						}
+					}
 					listView.adapter = scansAdapter
 					listViewState?.also {
 						listView.onRestoreInstanceState(it)
@@ -278,6 +316,7 @@ class HistoryFragment : Fragment() {
 	private fun enableMenuItems(enabled: Boolean) {
 		clearListMenuItem?.isEnabled = enabled
 		exportHistoryMenuItem?.isEnabled = enabled
+		shareAsFileMenuItem?.isEnabled = enabled
 	}
 
 	private fun closeActionMode() {
@@ -291,8 +330,8 @@ class HistoryFragment : Fragment() {
 	private fun showScan(id: Long) = db.getScan(id)?.also { scan ->
 		closeActionMode()
 		try {
-			fragmentManager?.addFragment(DecodeFragment.newInstance(scan))
-		} catch (e: IllegalArgumentException) {
+			startActivity(DecodeActivity.newIntent(this, scan))
+		} catch (_: IllegalArgumentException) {
 			// Ignore, can never happen.
 		}
 	}
@@ -305,7 +344,7 @@ class HistoryFragment : Fragment() {
 		)
 		val nameView = view.findViewById<EditText>(R.id.name)
 		nameView.setText(text)
-		AlertDialog.Builder(this)
+		MaterialAlertDialogBuilder(this)
 			.setTitle(
 				if (content.isNullOrEmpty()) {
 					getString(R.string.binary_data)
@@ -324,7 +363,7 @@ class HistoryFragment : Fragment() {
 	}
 
 	private fun Context.askToRemoveScans(ids: List<Long>) {
-		AlertDialog.Builder(this)
+		MaterialAlertDialogBuilder(this)
 			.setMessage(
 				if (ids.size > 1) {
 					R.string.really_remove_selected_scans
@@ -346,7 +385,7 @@ class HistoryFragment : Fragment() {
 	}
 
 	private fun Context.askToRemoveScans() {
-		AlertDialog.Builder(this)
+		MaterialAlertDialogBuilder(this)
 			.setMessage(
 				if (filter == null) {
 					R.string.really_remove_all_scans
@@ -365,7 +404,7 @@ class HistoryFragment : Fragment() {
 
 	private fun askToExportToFile() {
 		scope.launch {
-			val ac = activity ?: return@launch
+			val ac = this@HistoryActivity
 			progressView.useVisibility {
 				// Write permission is only required before Android Q.
 				if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
@@ -393,12 +432,12 @@ class HistoryFragment : Fragment() {
 				} ?: return@useVisibility
 				val message = when (delimiter) {
 					"db" -> ac.exportDatabase(name)
-					else -> db.getScansDetailed(filter)?.use {
+					else -> db.getScansDetailed(filter).use {
 						when (delimiter) {
 							"json" -> ac.exportJson(name, it)
 							else -> ac.exportCsv(name, it, delimiter)
 						}
-					} ?: false
+					}
 				}.toSaveResult()
 				withContext(Dispatchers.Main) {
 					ac.toast(message)
@@ -407,32 +446,44 @@ class HistoryFragment : Fragment() {
 		}
 	}
 
-	private fun Context.pickListSeparatorAndShare() {
+	private fun Context.pickListSeparatorAndShare(asFile: Boolean) {
 		val separators = resources.getStringArray(
 			R.array.list_separators_values
 		)
-		AlertDialog.Builder(this)
+		MaterialAlertDialogBuilder(this)
 			.setTitle(R.string.pick_list_separator)
 			.setItems(R.array.list_separators_names) { _, which ->
-				shareScans(separators[which])
+				shareScans(separators[which], asFile)
 			}
 			.show()
 	}
 
-	private fun shareScans(format: String) = scope.launch {
+	private fun shareScans(format: String, asFile: Boolean) = scope.launch {
 		progressView.useVisibility {
-			var text: String? = null
-			db.getScansDetailed(filter)?.use { cursor ->
+			val selectedIds = scansAdapter?.getSelectedIds()
+			if (selectedIds?.isNotEmpty() == true) {
+				db.getScansDetailed(selectedIds.toLongArray())
+			} else {
+				db.getScansDetailed(filter)
+			}.use { cursor ->
 				val details = format.split(":")
-				text = when (details[0]) {
-					"text" -> cursor.exportText(details[1])
-					"csv" -> cursor.exportCsv(details[1])
-					else -> cursor.exportJson()
+				when (details[0]) {
+					"text" -> Pair(cursor.exportText(details[1]), "txt")
+					"csv" -> Pair(cursor.exportCsv(details[1]), "csv")
+					else -> Pair(cursor.exportJson(), "json")
 				}
-			}
-			text?.let {
-				withContext(Dispatchers.Main) {
-					context.shareText(it)
+			}.let { (text, ext) ->
+				text?.let {
+					withContext(Dispatchers.Main) {
+						if (asFile) {
+							this@HistoryActivity.shareAsFile(
+								it,
+								String.format("scans.%s", ext)
+							)
+						} else {
+							this@HistoryActivity.shareText(it)
+						}
+					}
 				}
 			}
 		}
@@ -441,7 +492,7 @@ class HistoryFragment : Fragment() {
 
 private fun Cursor.exportText(separator: String): String {
 	val sb = StringBuilder()
-	val contentIndex = getColumnIndex(Database.SCANS_CONTENT)
+	val contentIndex = getColumnIndex(Database.SCANS_TEXT)
 	if (contentIndex > -1 && moveToFirst()) {
 		do {
 			val content = getString(contentIndex)

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/IgnoreCodesActivity.kt

@@ -0,0 +1,172 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.app.Dialog
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.ListView
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.appcompat.app.AlertDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
+import de.markusfisch.android.binaryeye.adapter.setupFormatSpinner
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.preference.IgnoreCode
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.view.systemBarListViewScrollListener
+import de.markusfisch.android.binaryeye.widget.toast
+
+class IgnoreCodesActivity : AbstractBaseActivity() {
+	private val patterns = ArrayList<IgnoreCode>()
+
+	private lateinit var adapter: PatternsAdapter
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_ignore_codes)
+		setTitle(R.string.ignore_codes)
+
+		patterns.addAll(prefs.ignoreCodes)
+
+		val listView = findViewById<ListView>(R.id.actions)
+		listView.emptyView = findViewById(R.id.no_actions)
+		findViewById<TextView>(R.id.no_actions).setText(
+			R.string.ignore_codes_empty
+		)
+		adapter = PatternsAdapter(patterns)
+		listView.adapter = adapter
+		listView.setOnScrollListener(systemBarListViewScrollListener)
+		listView.setOnItemClickListener { _, _, position, _ ->
+			editPattern(position)
+		}
+		listView.setOnItemLongClickListener { _, _, position, _ ->
+			confirmRemovePattern(position)
+			true
+		}
+
+		findViewById<View>(R.id.add).apply {
+			contentDescription = getString(R.string.ignore_code_add)
+			setOnClickListener {
+				editPattern(null)
+			}
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		listView.setPaddingFromWindowInsets()
+	}
+
+	private fun editPattern(position: Int?) {
+		val pattern = position?.let { patterns[it] }
+		val view = layoutInflater.inflate(R.layout.dialog_ignore_code, null)
+		val regexView = view.findViewById<EditText>(R.id.regex)
+		val formatView = view.findViewById<Spinner>(R.id.format)
+		val values = setupFormatSpinner(formatView)
+		if (pattern != null) {
+			regexView.setText(pattern.pattern)
+			regexView.setSelection(pattern.pattern.length)
+			formatView.setSelection(
+				values.indexOf(pattern.format ?: "").coerceAtLeast(0)
+			)
+		} else {
+			formatView.setSelection(0)
+		}
+
+		val dialog = MaterialAlertDialogBuilder(this)
+			.setTitle(
+				if (pattern == null) {
+					R.string.ignore_code_add
+				} else {
+					R.string.ignore_code_edit
+				}
+			)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok, null)
+			.setNegativeButton(android.R.string.cancel) { _, _ -> }
+			.create()
+
+		dialog.setOnShowListener {
+			dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+				addOrUpdatePattern(position, regexView, formatView, values, dialog)
+			}
+		}
+
+		dialog.show()
+	}
+
+	private fun addOrUpdatePattern(
+		position: Int?,
+		regexView: EditText,
+		formatView: Spinner,
+		values: List<String>,
+		dialog: Dialog,
+	) {
+		val pattern = regexView.text.toString().trim()
+		if (pattern.isEmpty()) {
+			regexView.error = getString(R.string.ignore_code_regex_required)
+			return
+		}
+		try {
+			Regex(pattern)
+		} catch (e: Exception) {
+			val message = e.message ?: getString(
+				R.string.ignore_code_regex_invalid
+			)
+			regexView.error = message
+			toast(message)
+			return
+		}
+		val item = IgnoreCode(
+			pattern = pattern,
+			format = values[formatView.selectedItemPosition].ifEmpty { null }
+		)
+		if (position == null) {
+			patterns.add(item)
+		} else {
+			patterns[position] = item
+		}
+		prefs.setIgnoreCodes(patterns)
+		adapter.notifyDataSetChanged()
+		dialog.dismiss()
+	}
+
+	private fun confirmRemovePattern(position: Int) {
+		MaterialAlertDialogBuilder(this)
+			.setMessage(R.string.ignore_code_remove_confirm)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				patterns.removeAt(position)
+				prefs.setIgnoreCodes(patterns)
+				adapter.notifyDataSetChanged()
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ -> }
+			.show()
+	}
+
+	private inner class PatternsAdapter(
+		items: List<IgnoreCode>
+	) : ArrayAdapter<IgnoreCode>(
+		this,
+		android.R.layout.simple_list_item_2,
+		android.R.id.text1,
+		items
+	) {
+		override fun getView(
+			position: Int,
+			convertView: View?,
+			parent: ViewGroup
+		): View {
+			val view = super.getView(position, convertView, parent)
+			val item = patterns[position]
+			val title = view.findViewById<TextView>(android.R.id.text1)
+			val subtitle = view.findViewById<TextView>(android.R.id.text2)
+			title.text = item.pattern
+			subtitle.text = item.format?.prettifyFormatName() ?: getString(
+				R.string.all_formats
+			)
+			return view
+		}
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/MainActivity.kt

@@ -1,130 +0,0 @@
-package de.markusfisch.android.binaryeye.activity
-
-import android.content.Context
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.os.Build
-import android.os.Bundle
-import android.support.v4.app.Fragment
-import android.support.v7.app.AppCompatActivity
-import android.support.v7.widget.Toolbar
-import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.app.*
-import de.markusfisch.android.binaryeye.database.Scan
-import de.markusfisch.android.binaryeye.fragment.DecodeFragment
-import de.markusfisch.android.binaryeye.fragment.EncodeFragment
-import de.markusfisch.android.binaryeye.fragment.HistoryFragment
-import de.markusfisch.android.binaryeye.fragment.PreferencesFragment
-import de.markusfisch.android.binaryeye.view.colorSystemAndToolBars
-import de.markusfisch.android.binaryeye.view.initSystemBars
-import de.markusfisch.android.binaryeye.view.recordToolbarHeight
-
-class MainActivity : AppCompatActivity() {
-	override fun onRequestPermissionsResult(
-		requestCode: Int,
-		permissions: Array<String>,
-		grantResults: IntArray
-	) {
-		when (requestCode) {
-			PERMISSION_LOCATION, PERMISSION_WRITE -> if (grantResults.isNotEmpty() &&
-				grantResults[0] == PackageManager.PERMISSION_GRANTED
-			) {
-				permissionGrantedCallback?.invoke()
-				permissionGrantedCallback = null
-			}
-		}
-	}
-
-	override fun onSupportNavigateUp(): Boolean {
-		val fm = supportFragmentManager
-		if (fm != null && fm.backStackEntryCount > 0) {
-			fm.popBackStack()
-		} else {
-			finish()
-		}
-		return true
-	}
-
-	override fun attachBaseContext(base: Context?) {
-		base?.applyLocale(prefs.customLocale)
-		super.attachBaseContext(base)
-	}
-
-	override fun onCreate(state: Bundle?) {
-		super.onCreate(state)
-		setContentView(R.layout.activity_main)
-
-		initSystemBars(this)
-		val toolbar = findViewById(R.id.toolbar) as Toolbar
-		recordToolbarHeight(toolbar)
-		setSupportActionBar(toolbar)
-		supportActionBar?.setDisplayHomeAsUpEnabled(true)
-
-		supportFragmentManager.addOnBackStackChangedListener {
-			colorSystemAndToolBars(this@MainActivity)
-		}
-
-		if (state == null) {
-			supportFragmentManager?.setFragment(getFragmentForIntent(intent))
-		}
-	}
-
-	companion object {
-		private const val PREFERENCES = "preferences"
-		private const val HISTORY = "history"
-		private const val ENCODE = "encode"
-		const val DECODED = "decoded"
-
-		private fun getFragmentForIntent(intent: Intent?): Fragment {
-			intent ?: return PreferencesFragment()
-			return when {
-				intent.hasExtra(PREFERENCES) -> PreferencesFragment()
-				intent.hasExtra(HISTORY) -> HistoryFragment()
-				intent.hasExtra(ENCODE) -> EncodeFragment.newInstance()
-				intent.hasExtra(DECODED) -> DecodeFragment.newInstance(
-					intent.getParcelableExtra(DECODED)!!
-				)
-				else -> PreferencesFragment()
-			}
-		}
-
-		fun getPreferencesIntent(context: Context): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(PREFERENCES, true)
-			return intent
-		}
-
-		fun getHistoryIntent(context: Context): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(HISTORY, true)
-			return intent
-		}
-
-		fun getEncodeIntent(
-			context: Context,
-			text: String? = "",
-			isExternal: Boolean = false
-		): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(ENCODE, text)
-			if (isExternal) {
-				val flagActivityClearTask =
-					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-						Intent.FLAG_ACTIVITY_CLEAR_TASK
-					} else 0
-				intent.addFlags(
-					Intent.FLAG_ACTIVITY_NO_HISTORY or
-							flagActivityClearTask or
-							Intent.FLAG_ACTIVITY_NEW_TASK
-				)
-			}
-			return intent
-		}
-
-		fun getDecodeIntent(context: Context, scan: Scan): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(DECODED, scan)
-			return intent
-		}
-	}
-}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/NetworkSuggestionsActivity.kt

@@ -0,0 +1,81 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.content.Context
+import android.net.wifi.WifiManager
+import android.net.wifi.WifiNetworkSuggestion
+import android.os.Build
+import android.os.Bundle
+import android.view.View
+import android.widget.ArrayAdapter
+import android.widget.ListView
+import androidx.annotation.RequiresApi
+import androidx.core.util.size
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.view.systemBarListViewScrollListener
+import de.markusfisch.android.binaryeye.widget.toast
+
+class NetworkSuggestionsActivity : AbstractBaseActivity() {
+	@RequiresApi(Build.VERSION_CODES.R)
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_network_suggestions)
+		setTitle(R.string.network_suggestions)
+
+		val wm = applicationContext.getSystemService(
+			Context.WIFI_SERVICE
+		) as WifiManager
+		val suggestionArrayAdapter = ArrayAdapter(
+			this,
+			android.R.layout.simple_list_item_checked,
+			wm.networkSuggestions.map {
+				Suggestion(
+					it.ssid ?: it.toString(),
+					it
+				)
+			}
+		)
+
+		val listView = findViewById<ListView>(R.id.suggestions)
+		listView.emptyView = findViewById(R.id.no_suggestions)
+		listView.adapter = suggestionArrayAdapter
+		listView.setOnScrollListener(systemBarListViewScrollListener)
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		listView.setPaddingFromWindowInsets()
+
+		findViewById<View>(R.id.remove).setOnClickListener {
+			val removeList = ArrayList<WifiNetworkSuggestion>()
+			val removeFromAdapter = ArrayList<Suggestion>()
+			val checked = listView.checkedItemPositions
+			val size = checked.size
+			for (i in 0 until size) {
+				if (checked.valueAt(i)) {
+					val pos = checked.keyAt(i)
+					listView.setItemChecked(pos, false)
+					val suggestion = listView.getItemAtPosition(
+						pos
+					) as Suggestion
+					removeList.add(suggestion.suggestion)
+					removeFromAdapter.add(suggestion)
+				}
+			}
+			if (removeList.isNotEmpty()) {
+				removeFromAdapter.forEach {
+					suggestionArrayAdapter.remove(it)
+				}
+				wm.removeNetworkSuggestions(removeList)
+			} else {
+				toast(
+					R.string.clear_network_suggestions_nothing_to_remove
+				)
+			}
+		}
+	}
+}
+
+private data class Suggestion(
+	val label: String,
+	val suggestion: WifiNetworkSuggestion
+) {
+	override fun toString() = label
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/PickActivity.kt

@@ -7,13 +7,12 @@ import android.graphics.Matrix
 import android.graphics.Rect
 import android.graphics.RectF
 import android.net.Uri
+import android.os.Build
 import android.os.Bundle
-import android.os.Parcelable
-import android.os.Vibrator
-import android.support.v7.app.AppCompatActivity
-import android.support.v7.widget.Toolbar
 import android.view.Menu
 import android.view.MenuItem
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.app.applyLocale
 import de.markusfisch.android.binaryeye.app.prefs
@@ -21,18 +20,23 @@ import de.markusfisch.android.binaryeye.graphics.crop
 import de.markusfisch.android.binaryeye.graphics.fixTransparency
 import de.markusfisch.android.binaryeye.graphics.loadImageUri
 import de.markusfisch.android.binaryeye.graphics.mapPosition
-import de.markusfisch.android.binaryeye.os.getVibrator
-import de.markusfisch.android.binaryeye.os.vibrate
+import de.markusfisch.android.binaryeye.media.releaseToneGenerators
 import de.markusfisch.android.binaryeye.view.colorSystemAndToolBars
-import de.markusfisch.android.binaryeye.view.initSystemBars
-import de.markusfisch.android.binaryeye.view.recordToolbarHeight
+import de.markusfisch.android.binaryeye.view.initBars
+import de.markusfisch.android.binaryeye.view.scanFeedback
 import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
 import de.markusfisch.android.binaryeye.widget.CropImageView
 import de.markusfisch.android.binaryeye.widget.DetectorView
 import de.markusfisch.android.binaryeye.widget.toast
 import de.markusfisch.android.zxingcpp.ZxingCpp
+import de.markusfisch.android.zxingcpp.ZxingCpp.Binarizer
+import de.markusfisch.android.zxingcpp.ZxingCpp.ReaderOptions
 import de.markusfisch.android.zxingcpp.ZxingCpp.Result
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import kotlin.math.max
 import kotlin.math.min
 import kotlin.math.roundToInt
@@ -41,12 +45,18 @@ class PickActivity : AppCompatActivity() {
 	private val matrix = Matrix()
 	private val parentJob = Job()
 	private val scope = CoroutineScope(Dispatchers.IO + parentJob)
+	private val options = ReaderOptions(
+		tryHarder = true,
+		tryRotate = true,
+		tryInvert = true,
+		tryDownscale = true,
+		maxNumberOfSymbols = 1,
+		formats = prefs.barcodeFormats.toFormatSet()
+	)
 
-	private lateinit var vibrator: Vibrator
-	private lateinit var cropImageView: CropImageView
-	private lateinit var detectorView: DetectorView
-	private lateinit var freeRotationItem: MenuItem
-
+	private var cropImageView: CropImageView? = null
+	private var detectorView: DetectorView? = null
+	private var freeRotationItem: MenuItem? = null
 	private var result: Result? = null
 
 	override fun attachBaseContext(base: Context?) {
@@ -62,13 +72,7 @@ class PickActivity : AppCompatActivity() {
 		// locale.
 		setTitle(R.string.pick_code_to_scan)
 
-		vibrator = getVibrator()
-
-		initSystemBars(this)
-		val toolbar = findViewById(R.id.toolbar) as Toolbar
-		recordToolbarHeight(toolbar)
-		setSupportActionBar(toolbar)
-
+		initBars()
 		supportFragmentManager.addOnBackStackChangedListener {
 			colorSystemAndToolBars(this@PickActivity)
 		}
@@ -77,25 +81,36 @@ class PickActivity : AppCompatActivity() {
 		if (bitmap == null) {
 			applicationContext.toast(R.string.error_no_content)
 			finish()
+			// This is why cropImageView and detectorView aren't lateinit.
+			// If they were, a kotlin.UninitializedPropertyAccessException
+			// would happen here.
 			return
 		}
 
-		cropImageView = findViewById(R.id.image) as CropImageView
-		cropImageView.restrictTranslation = false
-		cropImageView.freeRotation = prefs.freeRotation
-		cropImageView.setImageBitmap(bitmap)
-		cropImageView.onScan = {
-			scanWithinBounds(bitmap)
+		cropImageView = (findViewById(R.id.image) as CropImageView).apply {
+			restrictTranslation = false
+			freeRotation = prefs.freeRotation
+			setImageBitmap(bitmap)
+			onScan = {
+				scanWithinBounds(bitmap)
+			}
+			runAfterLayout = {
+				minWidth = min(
+					minWidth / 2f,
+					max(bitmap.width, bitmap.height).toFloat()
+				)
+			}
 		}
 
-		detectorView = findViewById(R.id.detector_view) as DetectorView
-		detectorView.onRoiChanged = {
-			scanWithinBounds(bitmap)
+		detectorView = (findViewById(R.id.detector_view) as DetectorView).apply {
+			onRoiChanged = {
+				scanWithinBounds(bitmap)
+			}
+			setPaddingFromWindowInsets()
+			cropHandleName = "picker_crop_handle"
 		}
-		detectorView.setPaddingFromWindowInsets()
-		detectorView.restoreCropHandlePos()
 
-		findViewById(R.id.scan).setOnClickListener {
+		findViewById<View>(R.id.scan).setOnClickListener {
 			showResult()
 		}
 	}
@@ -115,56 +130,53 @@ class PickActivity : AppCompatActivity() {
 	}
 
 	private fun scanWithinBounds(bitmap: Bitmap) {
-		val viewRoi = if (detectorView.roi.width() < 1) {
-			cropImageView.getBoundsRect()
-		} else {
-			detectorView.roi
-		}
-		val mappedRect = cropImageView.mappedRect
-		val cropped = bitmap.crop(
-			getNormalizedRoi(mappedRect, viewRoi),
-			cropImageView.imageRotation,
-			cropImageView.pivotX,
-			cropImageView.pivotY
-		) ?: return
-		val croppedInView = Rect(
-			max(viewRoi.left, mappedRect.left.roundToInt()),
-			max(viewRoi.top, mappedRect.top.roundToInt()),
-			min(viewRoi.right, mappedRect.right.roundToInt()),
-			min(viewRoi.bottom, mappedRect.bottom.roundToInt())
+		val dv = detectorView ?: return
+		val civ = cropImageView ?: return
+		val viewRoi = Rect(
+			if (dv.roi.width() < 1) {
+				civ.getBoundsRect()
+			} else {
+				dv.roi
+			}
 		)
-		matrix.apply {
-			setScale(
-				croppedInView.width().toFloat() / cropped.width,
-				croppedInView.height().toFloat() / cropped.height
-			)
-			postTranslate(
-				croppedInView.left.toFloat(),
-				croppedInView.top.toFloat()
-			)
-		}
+		val mappedRect = RectF(civ.mappedRect)
+		val imageRotation = civ.imageRotation
+		val pivotX = civ.pivotX
+		val pivotY = civ.pivotY
 		scope.launch {
-			ZxingCpp.readBitmap(
-				cropped,
-				0, 0,
-				cropped.width, cropped.height,
-				0,
-				prefs.barcodeFormats.joinToString(),
-				tryHarder = true,
-				tryRotate = true,
-				tryInvert = true,
-				tryDownscale = true
-			)?.let {
+			val cropped = bitmap.crop(
+				getNormalizedRoi(mappedRect, viewRoi),
+				imageRotation,
+				pivotX,
+				pivotY
+			) ?: return@launch
+			val croppedInView = Rect(
+				max(viewRoi.left, mappedRect.left.roundToInt()),
+				max(viewRoi.top, mappedRect.top.roundToInt()),
+				min(viewRoi.right, mappedRect.right.roundToInt()),
+				min(viewRoi.bottom, mappedRect.bottom.roundToInt())
+			)
+			matrix.apply {
+				setScale(
+					croppedInView.width().toFloat() / cropped.width,
+					croppedInView.height().toFloat() / cropped.height
+				)
+				postTranslate(
+					croppedInView.left.toFloat(),
+					croppedInView.top.toFloat()
+				)
+			}
+			cropped.decode()?.first()?.let {
 				withContext(Dispatchers.Main) {
 					if (isFinishing) {
 						return@withContext
 					}
 					result = it
-					vibrator.vibrate()
-					detectorView.update(
+					scanFeedback()
+					dv.update(
 						matrix.mapPosition(
 							it.position,
-							detectorView.coordinates
+							dv.coordinates
 						)
 					)
 				}
@@ -172,10 +184,31 @@ class PickActivity : AppCompatActivity() {
 		}
 	}
 
+	// By default, ZXing uses LOCAL_AVERAGE, but this does not work
+	// well with inverted barcodes on low-contrast backgrounds.
+	private fun Bitmap.decode() = ZxingCpp.readBitmap(
+		this,
+		0, 0,
+		width, height,
+		0,
+		options.apply {
+			binarizer = Binarizer.LOCAL_AVERAGE
+		}
+	) ?: ZxingCpp.readBitmap(
+		this,
+		0, 0,
+		width, height,
+		0,
+		options.apply {
+			binarizer = Binarizer.GLOBAL_HISTOGRAM
+		}
+	)
+
 	override fun onDestroy() {
 		super.onDestroy()
-		detectorView.saveCropHandlePos()
+		detectorView?.storeCropHandlePos()
 		parentJob.cancel()
+		releaseToneGenerators()
 	}
 
 	override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -192,12 +225,14 @@ class PickActivity : AppCompatActivity() {
 				rotateClockwise()
 				true
 			}
+
 			R.id.toggle_free -> {
 				prefs.freeRotation = prefs.freeRotation xor true
-				cropImageView.freeRotation = prefs.freeRotation
-				freeRotationItem.updateFreeRotationIcon()
+				cropImageView?.freeRotation = prefs.freeRotation
+				freeRotationItem?.updateFreeRotationIcon()
 				true
 			}
+
 			else -> super.onOptionsItemSelected(item)
 		}
 	}
@@ -213,13 +248,12 @@ class PickActivity : AppCompatActivity() {
 	}
 
 	private fun rotateClockwise() {
-		cropImageView.imageRotation = cropImageView.imageRotation + 90 % 360
+		val civ = cropImageView ?: return
+		civ.imageRotation = (civ.imageRotation + 90) % 360
 	}
 
 	private fun loadSentImage(intent: Intent): Bitmap? {
-		val uri = intent.getParcelableExtra<Parcelable>(
-			Intent.EXTRA_STREAM
-		) as? Uri ?: return null
+		val uri = intent.getUriExtra() ?: return null
 		return contentResolver.loadImageUri(uri)
 	}
 
@@ -231,7 +265,7 @@ class PickActivity : AppCompatActivity() {
 	private fun showResult() {
 		val r = result
 		if (r != null) {
-			showResult(this, r.redact(), vibrator)
+			showResult(r)
 			finish()
 		} else {
 			applicationContext.toast(R.string.no_barcode_found)
@@ -249,3 +283,12 @@ private fun getNormalizedRoi(imageRect: RectF, roi: Rect): RectF {
 		(roi.bottom - imageRect.top) / h
 	)
 }
+
+private fun Intent.getUriExtra(): Uri? = if (
+	Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU
+) {
+	@Suppress("DEPRECATION")
+	getParcelableExtra(Intent.EXTRA_STREAM)
+} else {
+	getParcelableExtra(Intent.EXTRA_STREAM, Uri::class.java)
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/PreferencesActivity.kt

@@ -0,0 +1,34 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.content.Context
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.applyLocale
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.fragment.PreferencesFragment
+import de.markusfisch.android.binaryeye.view.initBars
+
+class PreferencesActivity : AppCompatActivity() {
+	override fun attachBaseContext(base: Context?) {
+		base?.applyLocale(prefs.customLocale)
+		super.attachBaseContext(base)
+	}
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setContentView(R.layout.activity_main)
+		initBars()
+		supportActionBar?.setDisplayHomeAsUpEnabled(true)
+		if (state == null) {
+			supportFragmentManager.beginTransaction()
+				.replace(R.id.content_frame, PreferencesFragment())
+				.commit()
+		}
+	}
+
+	override fun onSupportNavigateUp(): Boolean {
+		finish()
+		return true
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/ProfilesActivity.kt

@@ -0,0 +1,180 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.content.Context
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.ListView
+import android.widget.TextView
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.view.systemBarListViewScrollListener
+import de.markusfisch.android.binaryeye.widget.toast
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
+
+class ProfilesActivity : AbstractBaseActivity() {
+	private val profiles = ArrayList<ProfileItem>()
+
+	private lateinit var adapter: ProfilesAdapter
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setScreenContentView(R.layout.activity_profiles)
+		setTitle(R.string.profile)
+
+		refreshProfiles()
+
+		val listView = findViewById<ListView>(R.id.profiles)
+		listView.emptyView = findViewById(R.id.no_profiles)
+		adapter = ProfilesAdapter(this, profiles)
+		listView.adapter = adapter
+		listView.setOnScrollListener(systemBarListViewScrollListener)
+		listView.setOnItemClickListener { _, _, position, _ ->
+			selectProfile(position)
+		}
+		listView.setOnItemLongClickListener { _, _, position, _ ->
+			confirmRemoveProfile(position)
+			true
+		}
+
+		findViewById<View>(R.id.add).setOnClickListener {
+			addProfile()
+		}
+
+		findViewById<View>(R.id.inset_layout).setPaddingFromWindowInsets(bottom = false)
+		listView.setPaddingFromWindowInsets()
+	}
+
+	private fun refreshProfiles() {
+		profiles.clear()
+		profiles.add(
+			ProfileItem(
+				null,
+				prefs.profileLabel(this, null)
+			)
+		)
+		prefs.profiles.forEach { name ->
+			profiles.add(ProfileItem(name, prefs.profileLabel(this, name)))
+		}
+		if (this::adapter.isInitialized) {
+			adapter.notifyDataSetChanged()
+		}
+	}
+
+	private fun selectProfile(position: Int) {
+		val profile = profiles[position].name
+		if (prefs.profile == profile) {
+			return
+		}
+		prefs.load(this, profile)
+		adapter.notifyDataSetChanged()
+	}
+
+	// Dialogs do not have a parent view.
+	@Suppress("InflateParams")
+	private fun addProfile() {
+		val view = layoutInflater.inflate(
+			R.layout.dialog_profile_name, null
+		)
+		val editText = view.findViewById<EditText>(R.id.name)
+		MaterialAlertDialogBuilder(this)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				val name = editText.text.toString().trim()
+				if (name.isNotEmpty() && prefs.addProfile(name)) {
+					prefs.load(this, name)
+					refreshProfiles()
+				} else {
+					toast(R.string.profile_invalid_name)
+				}
+			}
+			.show()
+	}
+
+	private fun confirmRemoveProfile(position: Int) {
+		val profile = profiles[position]
+		val profileName = profile.name ?: return
+		MaterialAlertDialogBuilder(this)
+			.setMessage(R.string.profile_remove_confirm)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				val isCurrent = prefs.profile == profileName
+				prefs.removeProfile(profileName)
+				if (isCurrent) {
+					prefs.load(this, null)
+				}
+				refreshProfiles()
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ -> }
+			.show()
+	}
+
+	private class ProfilesAdapter(
+		context: Context,
+		private val items: List<ProfileItem>
+	) : ArrayAdapter<ProfileItem>(
+		context,
+		R.layout.row_profile,
+		R.id.title,
+		items
+	) {
+		override fun getView(
+			position: Int,
+			convertView: View?,
+			parent: ViewGroup
+		): View {
+			val view = super.getView(position, convertView, parent)
+			val item = items[position]
+			val isCurrent = item.name == prefs.profile
+			getViewHolder(view).apply {
+				current = item
+				title.text = item.label
+				if (isCurrent) {
+					subtitle.text = context.getString(R.string.profile_current)
+					subtitle.visibility = View.VISIBLE
+				} else {
+					subtitle.text = ""
+					subtitle.visibility = View.GONE
+				}
+			}
+			return view
+		}
+
+		private fun getViewHolder(
+			view: View
+		): ViewHolder = view.tag as ViewHolder? ?: ViewHolder(
+			view.findViewById(R.id.title),
+			view.findViewById(R.id.subtitle),
+			view.findViewById(R.id.share_qr),
+		).also { holder ->
+			holder.shareQr.setOnClickListener {
+				val item = holder.current ?: return@setOnClickListener
+				context.startActivity(
+					BarcodeActivity.newIntent(
+						context,
+						prefs.toJson(context, item.name),
+						BarcodeFormat.QRCode,
+						addQuietZone = true
+					)
+				)
+			}
+			view.tag = holder
+		}
+
+		private class ViewHolder(
+			val title: TextView,
+			val subtitle: TextView,
+			val shareQr: View,
+		) {
+			var current: ProfileItem? = null
+		}
+	}
+}
+
+private data class ProfileItem(
+	val name: String?,
+	val label: String
+)

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/SplashActivity.kt

@@ -1,10 +1,10 @@
 package de.markusfisch.android.binaryeye.activity
 
+import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
-import android.support.v7.app.AppCompatActivity
 
-class SplashActivity : AppCompatActivity() {
+class SplashActivity : Activity() {
 	override fun onCreate(state: Bundle?) {
 		super.onCreate(state)
 

app/src/main/kotlin/de/markusfisch/android/binaryeye/activity/WelcomeActivity.kt

@@ -0,0 +1,22 @@
+package de.markusfisch.android.binaryeye.activity
+
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.prefs
+
+class WelcomeActivity : AppCompatActivity() {
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setContentView(R.layout.activity_welcome)
+		findViewById<View>(R.id.expert).setOnClickListener {
+			prefs.loadExpertProfile(this)
+			finish()
+		}
+		findViewById<View>(R.id.simple).setOnClickListener {
+			prefs.loadSimpleProfile(this)
+			finish()
+		}
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/adapter/ScansAdapter.kt

@@ -2,31 +2,40 @@ package de.markusfisch.android.binaryeye.adapter
 
 import android.content.Context
 import android.database.Cursor
-import android.support.v4.content.ContextCompat
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ArrayAdapter
 import android.widget.CursorAdapter
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.Spinner
 import android.widget.TextView
 import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.content.ParsedContentType
+import de.markusfisch.android.binaryeye.content.getContentPreview
+import de.markusfisch.android.binaryeye.content.parsedContentTypeFromName
 import de.markusfisch.android.binaryeye.database.Database
 import java.text.DateFormat
 import java.text.ParseException
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Locale
 
-class ScansAdapter(context: Context, cursor: Cursor) :
+class ScansAdapter(
+	context: Context,
+	cursor: Cursor,
+	private val onPinClick: (Long, Boolean) -> Unit
+) :
 	CursorAdapter(context, cursor, false) {
 	private val idIndex = cursor.getColumnIndex(Database.SCANS_ID)
+	private val pinnedIndex = cursor.getColumnIndex(Database.SCANS_PINNED)
 	private val timeIndex = cursor.getColumnIndex(Database.SCANS_DATETIME)
 	private val nameIndex = cursor.getColumnIndex(Database.SCANS_NAME)
-	private val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
+	private val textIndex = cursor.getColumnIndex(Database.SCANS_TEXT)
+	private val rawIndex = cursor.getColumnIndex(Database.SCANS_RAW)
+	private val contentTypeIndex = cursor.getColumnIndex(Database.SCANS_CONTENT_TYPE)
 	private val formatIndex = cursor.getColumnIndex(Database.SCANS_FORMAT)
 	private val selections = mutableMapOf<Long, Int>()
-	private val selectedColor = ContextCompat.getColor(
-		context, R.color.selected_row
-	)
-
 	fun select(view: View, id: Long, position: Int) {
 		view.select(
 			if (selections[id] == null) {
@@ -74,7 +83,7 @@ class ScansAdapter(context: Context, cursor: Cursor) :
 
 	fun getContent(
 		position: Int
-	) = (getItem(position) as Cursor?)?.getString(contentIndex)
+	) = (getItem(position) as Cursor?)?.getString(textIndex)
 
 	override fun newView(
 		context: Context,
@@ -89,27 +98,62 @@ class ScansAdapter(context: Context, cursor: Cursor) :
 		context: Context,
 		cursor: Cursor
 	) {
+		val id = cursor.getLong(idIndex)
+		val pinned = cursor.getInt(pinnedIndex) != 0
+		val format = cursor.getString(formatIndex)
+		val contentType = parsedContentTypeFromName(
+			cursor.getString(contentTypeIndex)
+		)
 		getViewHolder(view).apply {
-			timeView.text = formatDateTime(cursor.getString(timeIndex))
+			metaView.text = formatDateTime(cursor.getString(timeIndex))
+			formatView.text = format.prettifyFormatName().withContentType(
+				context,
+				contentType
+			)
+			formatIconView.setImageResource(format.toBarcodeIcon())
 			val name = cursor.getString(nameIndex)
-			val content = cursor.getString(contentIndex)
+			val text = cursor.getString(textIndex)
+			val raw = cursor.getBlob(rawIndex)
 			var icon = 0
 			contentView.text = when {
 				name?.isNotEmpty() == true -> {
 					icon = R.drawable.ic_label
 					name
 				}
-				content?.isEmpty() == true -> context.getString(
-					R.string.binary_data
+
+				text.isNullOrEmpty() -> getContentPreview(
+					context,
+					text ?: "",
+					raw ?: ByteArray(0),
+					format
 				)
-				else -> content
+
+				else -> text
 			}
 			contentView.setCompoundDrawablesWithIntrinsicBounds(
 				icon, 0, 0, 0
 			)
-			formatView.text = prettifyFormatName(cursor.getString(formatIndex))
+			pinView.apply {
+				setImageResource(
+					if (pinned) {
+						R.drawable.ic_action_pin
+					} else {
+						R.drawable.ic_action_pin_outline
+					}
+				)
+				contentDescription = context.getString(
+					if (pinned) {
+						R.string.unpin_item
+					} else {
+						R.string.pin_item
+					}
+				)
+				setOnClickListener {
+					onPinClick(id, !pinned)
+				}
+			}
 		}
-		val selected = selections[cursor.getLong(idIndex)] != null
+		val selected = selections[id] != null
 		view.post {
 			// Needs to be put on the queue to work.
 			view.select(selected)
@@ -117,27 +161,122 @@ class ScansAdapter(context: Context, cursor: Cursor) :
 	}
 
 	private fun View.select(selected: Boolean) {
-		setBackgroundColor(if (selected) selectedColor else 0)
+		isActivated = selected
+		refreshDrawableState()
 	}
 
 	private fun getViewHolder(
 		view: View
 	): ViewHolder = view.tag as ViewHolder? ?: ViewHolder(
-		view.findViewById(R.id.time),
+		view.findViewById(R.id.format_icon),
+		view.findViewById(R.id.meta),
+		view.findViewById(R.id.format),
 		view.findViewById(R.id.content),
-		view.findViewById(R.id.format)
+		view.findViewById(R.id.pin)
 	).also {
 		view.tag = it
 	}
 
 	private data class ViewHolder(
-		val timeView: TextView,
+		val formatIconView: ImageView,
+		val metaView: TextView,
+		val formatView: TextView,
 		val contentView: TextView,
-		val formatView: TextView
+		val pinView: ImageButton
 	)
 }
 
-fun prettifyFormatName(format: String) = format.replace("_", " ")
+private val formatWordBoundary =
+	"(?<=[a-z0-9])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][a-z])|(?<=[A-Za-z])(?=\\d)|(?<=\\d)(?=[A-Za-z])".toRegex()
+
+fun Context.setupFormatSpinner(spinner: Spinner): List<String> {
+	val names = resources.getStringArray(
+		R.array.barcode_formats_names
+	).toMutableList().apply {
+		add(0, getString(R.string.all_formats))
+	}
+	val values = resources.getStringArray(
+		R.array.barcode_formats_values
+	).toMutableList().apply {
+		add(0, "")
+	}
+	spinner.adapter = ArrayAdapter(
+		this,
+		android.R.layout.simple_spinner_item,
+		names
+	).apply {
+		setDropDownViewResource(
+			android.R.layout.simple_spinner_dropdown_item
+		)
+	}
+	return values
+}
+
+fun String.prettifyFormatName() = replace("_", " ")
+	.replace(formatWordBoundary, " ")
+
+private fun String.withContentType(
+	context: Context,
+	type: ParsedContentType
+) = if (type == ParsedContentType.UNKNOWN) {
+	this
+} else {
+	context.getString(
+		R.string.scan_meta_data,
+		this,
+		context.getString(type.resId)
+	)
+}
+
+fun String.toFormatDescriptionResId(): Int = when (this) {
+	"Aztec" -> R.string.format_description_aztec
+	"Codabar" -> R.string.format_description_codabar
+	"Code39",
+	"Code39Std" -> R.string.format_description_code39
+
+	"Code39Ext" -> R.string.format_description_code39ext
+	"Code32" -> R.string.format_description_code32
+	"PZN" -> R.string.format_description_pzn
+	"Code93" -> R.string.format_description_code93
+	"Code128" -> R.string.format_description_code128
+	"DataBar" -> R.string.format_description_databar
+	"DataBarOmni" -> R.string.format_description_databar_omni
+	"DataBarStk" -> R.string.format_description_databar_stk
+	"DataBarLtd" -> R.string.format_description_databar_ltd
+	"DataBarExp" -> R.string.format_description_databar_exp
+	"DataBarExpStk" -> R.string.format_description_databar_exp_stk
+	"DataMatrix" -> R.string.format_description_data_matrix
+	"DXFilmEdge" -> R.string.format_description_dx_film_edge
+	"EAN8" -> R.string.format_description_ean8
+	"EAN13" -> R.string.format_description_ean13
+	"ITF" -> R.string.format_description_itf
+	"MaxiCode" -> R.string.format_description_maxicode
+	"PDF417" -> R.string.format_description_pdf417
+	"Telepen" -> R.string.format_description_telepen
+	"TelepenAlpha" -> R.string.format_description_telepen_alpha
+	"TelepenNumeric" -> R.string.format_description_telepen_numeric
+	"QRCode" -> R.string.format_description_qr_code
+	"MicroQRCode" -> R.string.format_description_micro_qr_code
+	"RMQRCode" -> R.string.format_description_rmqr_code
+	"UPCA" -> R.string.format_description_upca
+	"UPCE" -> R.string.format_description_upce
+	else -> 0
+}
+
+private fun String?.toBarcodeIcon(): Int = when (this) {
+	"QRCode",
+	"RMQRCode" -> R.drawable.ic_barcode_qr_code
+
+	"MicroQRCode" -> R.drawable.ic_barcode_micro_qr
+
+	"Aztec" -> R.drawable.ic_barcode_aztec
+	"DataMatrix",
+	"MaxiCode" -> R.drawable.ic_barcode_data_matrix
+
+	"PDF417" -> R.drawable.ic_barcode_pdf417
+
+	else -> R.drawable.ic_barcode_linear
+}
 
 private fun formatDateTime(rfc: String): String {
 	try {
@@ -147,7 +286,7 @@ private fun formatDateTime(rfc: String): String {
 				DateFormat.SHORT
 			).format(it)
 		}
-	} catch (e: ParseException) {
+	} catch (_: ParseException) {
 		// Ignore and fall through.
 	}
 	return rfc

app/src/main/kotlin/de/markusfisch/android/binaryeye/app/AlertDialog.kt

@@ -1,7 +1,7 @@
 package de.markusfisch.android.binaryeye.app
 
-import android.app.AlertDialog
 import android.content.Context
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlin.coroutines.resume
@@ -9,10 +9,10 @@ import kotlin.coroutines.suspendCoroutine
 
 suspend inline fun <T : Any> alertDialog(
 	context: Context,
-	crossinline build: AlertDialog.Builder.(resume: (T?) -> Unit) -> Unit
+	crossinline build: MaterialAlertDialogBuilder.(resume: (T?) -> Unit) -> Unit
 ): T? = withContext(Dispatchers.Main) {
 	suspendCoroutine { continuation ->
-		AlertDialog.Builder(context).apply {
+		MaterialAlertDialogBuilder(context).apply {
 			setOnCancelListener {
 				continuation.resume(null)
 			}

app/src/main/kotlin/de/markusfisch/android/binaryeye/app/BinaryEyeApp.kt

@@ -1,6 +1,7 @@
 package de.markusfisch.android.binaryeye.app
 
 import android.app.Application
+import com.google.android.material.color.DynamicColors
 import de.markusfisch.android.binaryeye.database.Database
 import de.markusfisch.android.binaryeye.preference.Preferences
 
@@ -10,7 +11,11 @@ val prefs = Preferences()
 class BinaryEyeApp : Application() {
 	override fun onCreate() {
 		super.onCreate()
-		db.open(this)
 		prefs.init(this)
+		DynamicColors.applyToActivitiesIfAvailable(
+			this,
+			DynamicColors.Precondition { _, _ -> prefs.dynamicColors }
+		)
+		db.open(this)
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/app/Fragments.kt

@@ -1,19 +0,0 @@
-package de.markusfisch.android.binaryeye.app
-
-import android.annotation.SuppressLint
-import android.support.v4.app.Fragment
-import android.support.v4.app.FragmentManager
-import de.markusfisch.android.binaryeye.R
-
-fun FragmentManager.setFragment(fragment: Fragment) {
-	getTransaction(fragment).commit()
-}
-
-fun FragmentManager.addFragment(fragment: Fragment) {
-	getTransaction(fragment).addToBackStack(null).commit()
-}
-
-@SuppressLint("CommitTransaction")
-private fun FragmentManager.getTransaction(
-	fragment: Fragment
-) = beginTransaction().replace(R.id.content_frame, fragment)

app/src/main/kotlin/de/markusfisch/android/binaryeye/app/Locale.kt

@@ -2,7 +2,7 @@ package de.markusfisch.android.binaryeye.app
 
 import android.content.Context
 import android.os.Build
-import java.util.*
+import java.util.Locale
 
 fun Context.applyLocale(localeName: String) {
 	if (localeName.isEmpty()) {

app/src/main/kotlin/de/markusfisch/android/binaryeye/app/Permissions.kt

@@ -3,15 +3,16 @@ package de.markusfisch.android.binaryeye.app
 import android.Manifest
 import android.app.Activity
 import android.content.pm.PackageManager
-import android.support.v4.app.ActivityCompat
-import android.support.v4.content.ContextCompat
+import android.os.Build
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 
 var permissionGrantedCallback: (() -> Any)? = null
 
 const val PERMISSION_CAMERA = 1
-fun Activity.hasCameraPermission() = hasPermission(
+fun Activity.hasCameraPermission(request: Boolean = true) = hasPermission(
 	Manifest.permission.CAMERA,
-	PERMISSION_CAMERA
+	if (request) PERMISSION_CAMERA else 0
 )
 
 const val PERMISSION_WRITE = 2
@@ -32,6 +33,18 @@ fun Activity.hasLocationPermission(callback: () -> Any): Boolean {
 	)
 }
 
+const val PERMISSION_BLUETOOTH = 4
+fun Activity.hasBluetoothPermission() = if (
+	Build.VERSION.SDK_INT >= Build.VERSION_CODES.S
+) {
+	hasPermission(
+		Manifest.permission.BLUETOOTH_CONNECT,
+		PERMISSION_BLUETOOTH
+	)
+} else {
+	false
+}
+
 private fun Activity.hasPermission(
 	permission: String,
 	requestCode: Int
@@ -40,11 +53,13 @@ private fun Activity.hasPermission(
 		permission
 	) != PackageManager.PERMISSION_GRANTED
 ) {
-	ActivityCompat.requestPermissions(
-		this,
-		arrayOf(permission),
-		requestCode
-	)
+	if (requestCode > 0) {
+		ActivityCompat.requestPermissions(
+			this,
+			arrayOf(permission),
+			requestCode
+		)
+	}
 	false
 } else {
 	true

app/src/main/kotlin/de/markusfisch/android/binaryeye/automation/AutomatedAction.kt

@@ -0,0 +1,111 @@
+package de.markusfisch.android.binaryeye.automation
+
+import de.markusfisch.android.binaryeye.database.Scan
+import de.markusfisch.android.binaryeye.net.urlEncode
+import org.json.JSONArray
+import org.json.JSONObject
+import java.util.Locale
+
+data class AutomatedAction(
+	val pattern: String,
+	val type: Type,
+	val format: String? = null,
+	val urlTemplate: String? = null,
+	val intentUriTemplate: String? = null
+) {
+	enum class Type {
+		Intent, CustomIntent
+	}
+
+	fun matches(content: String, format: String): Boolean = try {
+		(this.format == null || this.format == format) &&
+				Regex(pattern).matches(content)
+	} catch (_: Exception) {
+		false
+	}
+
+	fun toJson(): JSONObject = JSONObject().apply {
+		put(KEY_PATTERN, pattern)
+		put(KEY_TYPE, type.name.lowercase(Locale.ROOT))
+		put(KEY_FORMAT, format ?: "")
+		put(KEY_URL_TEMPLATE, urlTemplate ?: "")
+		put(KEY_INTENT_URI_TEMPLATE, intentUriTemplate ?: "")
+	}
+
+	companion object {
+		private const val KEY_PATTERN = "pattern"
+		private const val KEY_TYPE = "type"
+		private const val KEY_FORMAT = "format"
+		private const val KEY_URL_TEMPLATE = "url_template"
+		private const val KEY_INTENT_URI_TEMPLATE = "intent_uri_template"
+
+		fun fromJson(obj: JSONObject): AutomatedAction? {
+			val pattern = obj.optString(KEY_PATTERN, "").trim()
+			if (pattern.isEmpty()) {
+				return null
+			}
+			val type = when (obj.optString(KEY_TYPE, "")) {
+				"custom_intent" -> Type.CustomIntent
+				"intent" -> Type.Intent
+				"html" -> return null
+				else -> Type.Intent
+			}
+			val format = obj.optString(KEY_FORMAT, "").trim()
+			val urlTemplate = obj.optString(KEY_URL_TEMPLATE, "").trim()
+			val intentUriTemplate = obj.optString(
+				KEY_INTENT_URI_TEMPLATE,
+				""
+			).trim()
+			return AutomatedAction(
+				pattern = pattern,
+				type = type,
+				format = format.ifEmpty { null },
+				urlTemplate = urlTemplate.ifEmpty { null },
+				intentUriTemplate = intentUriTemplate.ifEmpty { null }
+			)
+		}
+
+		fun fromJsonArray(json: String): MutableList<AutomatedAction> {
+			val actions = ArrayList<AutomatedAction>()
+			val array = try {
+				JSONArray(json)
+			} catch (_: Exception) {
+				JSONArray()
+			}
+			for (i in 0 until array.length()) {
+				val obj = array.optJSONObject(i) ?: continue
+				fromJson(obj)?.let { actions.add(it) }
+			}
+			return actions
+		}
+
+		fun toJsonArray(actions: List<AutomatedAction>): String {
+			val array = JSONArray()
+			actions.forEach { array.put(it.toJson()) }
+			return array.toString()
+		}
+	}
+}
+
+fun String.buildUrl(scan: Scan): String {
+	return buildTemplate(scan, encodeResult = true)
+}
+
+fun String.buildTemplate(scan: Scan, encodeResult: Boolean): String {
+	val text = scan.text
+	val raw = scan.raw ?: text.toByteArray()
+	val result = if (encodeResult) {
+		text.urlEncode()
+	} else {
+		text
+	}
+	val format = if (encodeResult) {
+		scan.format.name.urlEncode()
+	} else {
+		scan.format.name
+	}
+	return this
+		.replace("{RESULT}", result)
+		.replace("{RESULT_BYTES}", raw.toHexString())
+		.replace("{FORMAT}", format)
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/automation/AutomatedActionRunner.kt

@@ -0,0 +1,59 @@
+package de.markusfisch.android.binaryeye.automation
+
+import android.content.Context
+import android.content.Intent
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.content.openUrl
+import de.markusfisch.android.binaryeye.content.startIntentOrToast
+import de.markusfisch.android.binaryeye.database.Scan
+import de.markusfisch.android.binaryeye.widget.toast
+
+fun Context.runAutomatedActions(scan: Scan): Boolean {
+	val content = scan.text
+	if (content.isEmpty()) {
+		return false
+	}
+	val actions = prefs.automatedActions
+	if (actions.isEmpty()) {
+		return false
+	}
+	for (action in actions) {
+		if (action.matches(content, scan.format.name)) {
+			return when (action.type) {
+				AutomatedAction.Type.Intent -> {
+					val url = action.urlTemplate?.buildUrl(scan)
+					if (url.isNullOrEmpty()) {
+						toast(R.string.automated_action_invalid_url)
+						false
+					} else {
+						openUrl(url)
+					}
+				}
+
+				AutomatedAction.Type.CustomIntent ->
+					execCustomIntent(action, scan)
+			}
+		}
+	}
+	return false
+}
+
+private fun Context.execCustomIntent(
+	action: AutomatedAction,
+	scan: Scan
+): Boolean {
+	val template = action.intentUriTemplate
+	if (template.isNullOrEmpty()) {
+		toast(R.string.automated_action_intent_uri_required)
+		return false
+	}
+	val intentUri = template.buildTemplate(scan, encodeResult = false)
+	val intent = try {
+		Intent.parseUri(intentUri, Intent.URI_INTENT_SCHEME)
+	} catch (_: Exception) {
+		toast(R.string.automated_action_intent_uri_invalid)
+		return false
+	}
+	return startIntentOrToast(intent)
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/bluetooth/BluetoothSender.kt

@@ -0,0 +1,128 @@
+package de.markusfisch.android.binaryeye.bluetooth
+
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothDevice
+import android.bluetooth.BluetoothSocket
+import androidx.preference.ListPreference
+import de.markusfisch.android.binaryeye.database.Scan
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.IOException
+import java.io.OutputStreamWriter
+import java.util.UUID
+
+fun Scan.sendBluetoothAsync(
+	host: String,
+	callback: (Boolean, Boolean) -> Unit
+) {
+	CoroutineScope(Dispatchers.IO).launch(Dispatchers.IO) {
+		val connected = if (isConnected) {
+			true
+		} else {
+			connect(host, true)
+		}
+		val sent = if (connected) {
+			send(text, host)
+		} else {
+			false
+		}
+		withContext(Dispatchers.Main) {
+			callback(connected, sent)
+		}
+	}
+}
+
+fun setBluetoothHosts(listPref: ListPreference) {
+	try {
+		val devices = blue.bondedDevices ?: return
+		listPref.entries = devices.map {
+			it.name
+		}.toTypedArray()
+		listPref.entryValues = devices.map {
+			it.address
+		}.toTypedArray()
+		listPref.callChangeListener(listPref.value)
+	} catch (_: SecurityException) {
+		// Do nothing, either the user has denied Bluetooth access
+		// or the permission was removed by the system. We're catching
+		// the exception to keep the app from crashing.
+	}
+}
+
+private var socket: BluetoothSocket? = null
+private var writer: OutputStreamWriter? = null
+
+private val blue = BluetoothAdapter.getDefaultAdapter()
+private val uuid = UUID.fromString(
+	"8a8478c9-2ca8-404b-a0de-101f34ab71ae"
+)
+
+private var isConnected = false
+
+private fun connect(deviceName: String, onceMore: Boolean): Boolean = try {
+	val device = findByName(deviceName) ?: throw RuntimeException(
+		"Bluetooth device not found"
+	)
+	socket = device.createRfcommSocketToServiceRecord(uuid)
+	socket?.connect()
+	writer = socket?.outputStream?.writer()
+	isConnected = true
+	true
+} catch (_: Exception) {
+	if (onceMore) {
+		connect(deviceName, false)
+	} else {
+		close()
+	}
+	false
+}
+
+private fun send(message: String, host: String): Boolean = try {
+	writer?.apply {
+		write(message)
+		write("\n")
+		flush()
+	}
+	true
+} catch (_: Exception) {
+	close()
+
+	if (connect(host, false)) {
+		send(message, host)
+	} else {
+		false
+	}
+}
+
+private fun close() {
+	try {
+		writer?.close()
+	} catch (_: IOException) {
+		// Catch exception if writer wasn't initialized.
+	}
+	try {
+		socket?.close()
+	} catch (_: IOException) {
+		// Nothing we can do about this but keep
+		// the app from crashing.
+	}
+	writer = null
+	socket = null
+	isConnected = false
+}
+
+private fun findByName(findableName: String): BluetoothDevice? {
+	try {
+		val deviceList = blue.bondedDevices
+		for (device in deviceList) {
+			if (device.address == findableName) {
+				return device
+			}
+		}
+	} catch (_: SecurityException) {
+		// Fall through.
+	}
+	return null
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/camera/Cameras.kt

@@ -0,0 +1,59 @@
+package de.markusfisch.android.binaryeye.camera
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.hardware.camera2.CameraCharacteristics
+import android.hardware.camera2.CameraManager
+import androidx.camera.core.CameraSelector
+import de.markusfisch.android.binaryeye.R
+
+const val DEFAULT_CAMERA_BACK = "back"
+const val DEFAULT_CAMERA_FRONT = "front"
+const val DEFAULT_CAMERA_OTHER = "other"
+
+fun availableDefaultCameras(context: Context): List<String> {
+	val lensFacings = try {
+		(context.getSystemService(Context.CAMERA_SERVICE) as CameraManager)
+			.run {
+				cameraIdList.mapNotNull { id ->
+					getCameraCharacteristics(id)
+						.get(CameraCharacteristics.LENS_FACING)
+				}
+			}.toSet()
+	} catch (_: Exception) {
+		emptySet()
+	}
+	return buildList {
+		if (lensFacings.isEmpty() ||
+			lensFacings.contains(CameraCharacteristics.LENS_FACING_BACK)
+		) {
+			add(DEFAULT_CAMERA_BACK)
+		}
+		if (lensFacings.contains(CameraCharacteristics.LENS_FACING_FRONT)) {
+			add(DEFAULT_CAMERA_FRONT)
+		}
+		if (lensFacings.contains(CameraCharacteristics.LENS_FACING_EXTERNAL)) {
+			add(DEFAULT_CAMERA_OTHER)
+		}
+	}
+}
+
+fun defaultCameraEntries(context: Context, values: List<String>) =
+	values.map {
+		when (it) {
+			DEFAULT_CAMERA_FRONT -> context.getString(R.string.default_camera_front)
+			DEFAULT_CAMERA_OTHER -> context.getString(R.string.default_camera_other)
+			else -> context.getString(R.string.default_camera_back)
+		}
+	}.toTypedArray()
+
+@SuppressLint("UnsafeOptInUsageError")
+fun cameraSelector(camera: String) = CameraSelector.Builder()
+	.requireLensFacing(
+		when (camera) {
+			DEFAULT_CAMERA_FRONT -> CameraSelector.LENS_FACING_FRONT
+			DEFAULT_CAMERA_OTHER -> CameraSelector.LENS_FACING_EXTERNAL
+			else -> CameraSelector.LENS_FACING_BACK
+		}
+	)
+	.build()

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/Barcode.kt

@@ -0,0 +1,221 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.graphics.Bitmap
+import android.util.Size
+import de.markusfisch.android.binaryeye.database.Scan
+import de.markusfisch.android.binaryeye.graphics.COLOR_BLACK
+import de.markusfisch.android.binaryeye.graphics.COLOR_WHITE
+import de.markusfisch.android.zxingcpp.ZxingCpp
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
+import de.markusfisch.android.zxingcpp.ZxingCpp.BitMatrix
+import de.markusfisch.android.zxingcpp.ZxingCpp.toBitmap
+import de.markusfisch.android.zxingcpp.ZxingCpp.toSvg
+import de.markusfisch.android.zxingcpp.ZxingCpp.toText
+import java.util.Arrays
+
+enum class BarcodeColors {
+	BLACK_ON_WHITE,
+	WHITE_ON_BLACK,
+	BLACK_ON_TRANSPARENT,
+	WHITE_ON_TRANSPARENT;
+
+	fun foregroundColor(): Int = when (this) {
+		BLACK_ON_WHITE,
+		BLACK_ON_TRANSPARENT -> COLOR_BLACK
+
+		WHITE_ON_BLACK,
+		WHITE_ON_TRANSPARENT -> COLOR_WHITE
+	}
+
+	fun backgroundColor(): Int = when (this) {
+		BLACK_ON_WHITE -> COLOR_WHITE
+		WHITE_ON_BLACK -> COLOR_BLACK
+		BLACK_ON_TRANSPARENT,
+		WHITE_ON_TRANSPARENT -> 0
+	}
+}
+
+fun Scan.toBarcode(): Barcode<*> {
+	val content = text.ifEmpty {
+		raw
+	}
+	return if (symbol != null) {
+		BitMatrixBarcode(
+			symbol,
+			content,
+			format
+		)
+	} else {
+		ContentBarcode(
+			content,
+			format,
+			errorCorrectionLevel.toErrorCorrectionInt(),
+			addQuietZone = true
+		)
+	}
+}
+
+fun String?.toErrorCorrectionInt() = when (this) {
+	"L" -> 0
+	"M" -> 4
+	"Q" -> 6
+	"H" -> 8
+	else -> -1
+}
+
+sealed class Barcode<T>(
+	val content: T,
+	val format: BarcodeFormat,
+	val colors: BarcodeColors
+) {
+	private var _bitmap: Bitmap? = null
+	fun bitmap(): Bitmap {
+		val b = _bitmap ?: bitmap(512)
+		_bitmap = b
+		return b
+	}
+
+	fun bitmap(size: Int): Bitmap {
+		return toBitmap(size)
+	}
+
+	protected abstract fun toBitmap(size: Int): Bitmap
+
+	private var _svg: String? = null
+	fun svg(): String {
+		val s = _svg ?: toSvg()
+		_svg = s
+		return s
+	}
+
+	protected abstract fun toSvg(): String
+
+	private var _text: String? = null
+	fun text(): String {
+		val t = _text ?: toText()
+		_text = t
+		return t
+	}
+
+	protected abstract fun toText(): String
+
+	fun textOrHex(): String = when (content) {
+		is String -> content
+		is ByteArray -> content.toHexString()
+		else -> throw IllegalArgumentException("Illegal arguments")
+	}
+}
+
+class ContentBarcode<T>(
+	content: T,
+	format: BarcodeFormat,
+	val ecLevel: Int = -1,
+	val addQuietZone: Boolean = false,
+	colors: BarcodeColors = BarcodeColors.BLACK_ON_WHITE
+) : Barcode<T>(content, format, colors) {
+	override fun toBitmap(size: Int): Bitmap {
+		val s = format.resolveSize(size)
+		return ZxingCpp.encodeAsBitmap(
+			content, format, s.width, s.height, addQuietZone, ecLevel,
+			setColor = colors.foregroundColor(),
+			unsetColor = colors.backgroundColor()
+		)
+	}
+
+	override fun toSvg() = ZxingCpp.encodeAsSvg(
+		content, format, addQuietZone, ecLevel
+	)
+
+	override fun toText() = ZxingCpp.encodeAsText(
+		content, format, addQuietZone, ecLevel,
+		inverted = colors == BarcodeColors.BLACK_ON_WHITE
+	)
+}
+
+class BitMatrixBarcode<T>(
+	val bitMatrix: BitMatrix,
+	content: T,
+	format: BarcodeFormat,
+	colors: BarcodeColors = BarcodeColors.BLACK_ON_WHITE
+) : Barcode<T>(content, format, colors) {
+	override fun toBitmap(size: Int) = bitMatrix.inflate(size).toBitmap(
+		setColor = colors.foregroundColor(),
+		unsetColor = colors.backgroundColor()
+	)
+
+	override fun toSvg() = bitMatrix.inflate().toSvg()
+
+	override fun toText() = bitMatrix.inflate().toText(
+		inverted = colors == BarcodeColors.BLACK_ON_WHITE
+	)
+}
+
+private fun BitMatrix.inflate(
+	size: Int = 0,
+	quietZone: Boolean = true
+): BitMatrix {
+	val extraModules = if (quietZone) 2 else 0
+	val codeWidth = width + extraModules
+	val codeHeight = height + extraModules
+	var scale = size / codeWidth
+	if (scale < 1) {
+		if (size > 0 && !quietZone) {
+			return this
+		}
+		scale = 1
+	}
+	val outWidth = codeWidth * scale
+	val outHeight = codeHeight * scale
+	val scaled = BitMatrix(
+		outWidth,
+		outHeight,
+		ByteArray(outWidth * outHeight)
+	)
+	Arrays.fill(scaled.data, 1)
+	val padding = extraModules / 2
+	val left = padding * scale
+	val top = padding * scale
+	val right = outWidth - left
+	val bottom = outHeight - top
+	for (y in top until bottom) {
+		var dst = y * outWidth + left
+		val offset = (y - top) / scale * width
+		for (x in left until right) {
+			scaled.data[dst++] = data[
+				offset + (x - left) / scale
+			]
+		}
+	}
+	return scaled
+}
+
+private fun BarcodeFormat.resolveSize(size: Int): Size = when (this) {
+	// 1D barcodes don't need as much vertical space.
+	BarcodeFormat.Codabar,
+	BarcodeFormat.Code39,
+	BarcodeFormat.Code39Std,
+	BarcodeFormat.Code39Ext,
+	BarcodeFormat.Code32,
+	BarcodeFormat.PZN,
+	BarcodeFormat.Code93,
+	BarcodeFormat.Code128,
+	BarcodeFormat.DataBarOmni,
+	BarcodeFormat.DataBarStk,
+	BarcodeFormat.DataBarLtd,
+	BarcodeFormat.DataBarExp,
+	BarcodeFormat.DataBarExpStk,
+	BarcodeFormat.DXFilmEdge,
+	BarcodeFormat.EAN8,
+	BarcodeFormat.EAN13,
+	BarcodeFormat.ITF,
+	BarcodeFormat.Telepen,
+	BarcodeFormat.TelepenAlpha,
+	BarcodeFormat.TelepenNumeric,
+	BarcodeFormat.UPCA,
+	BarcodeFormat.UPCE -> Size(size, size / 3)
+
+	// PDF417 requires more horizontal space.
+	BarcodeFormat.PDF417 -> Size(size * 3, size / 2)
+
+	else -> Size(size, size)
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/Clipboard.kt

@@ -8,16 +8,11 @@ import android.os.PersistableBundle
 
 fun Context.copyToClipboard(text: String, isSensitive: Boolean = false) {
 	val service = getSystemService(Context.CLIPBOARD_SERVICE)
-	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
-		@Suppress("DEPRECATION")
-		(service as android.text.ClipboardManager).text = text
-	} else {
-		(service as android.content.ClipboardManager).setPrimaryClip(
-			ClipData.newPlainText("plain text", text).apply {
-				setSensitive(isSensitive)
-			}
-		)
-	}
+	(service as android.content.ClipboardManager).setPrimaryClip(
+		ClipData.newPlainText("plain text", text).apply {
+			setSensitive(isSensitive)
+		}
+	)
 }
 
 private fun ClipData.setSensitive(isSensitive: Boolean) {

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/ContentParser.kt

@@ -0,0 +1,239 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.content.Context
+import android.net.Uri
+import androidx.core.net.toUri
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.Action
+import de.markusfisch.android.binaryeye.actions.ActionRegistry
+import de.markusfisch.android.binaryeye.actions.mail.MatMsg
+import de.markusfisch.android.binaryeye.actions.mail.MatMsgAction
+import de.markusfisch.android.binaryeye.actions.otpauth.OtpauthAction
+import de.markusfisch.android.binaryeye.actions.vtype.VTypeParser
+import de.markusfisch.android.binaryeye.actions.vtype.vcard.VCardAction
+import de.markusfisch.android.binaryeye.actions.vtype.vevent.VEventAction
+import de.markusfisch.android.binaryeye.actions.web.WebAction
+import de.markusfisch.android.binaryeye.actions.wifi.WifiAction
+import de.markusfisch.android.binaryeye.actions.wifi.WifiConnector
+import org.json.JSONException
+import org.json.JSONObject
+
+enum class ParsedContentType(
+	val resId: Int
+) {
+	UNKNOWN(0),
+	DEUTSCHE_POST(R.string.parsed_type_deutsche_post),
+	JSON(R.string.parsed_type_json),
+	INTERNATIONAL_DRIVER_LICENSE(
+		R.string.parsed_type_international_driver_license
+	),
+	DIGITAL_SEAL(R.string.parsed_type_digital_seal),
+	SEPA_EPC_QR(R.string.parsed_type_sepa_epc_qr),
+	EMAIL(R.string.parsed_type_email),
+	URL(R.string.parsed_type_url),
+	OTP(R.string.parsed_type_otp),
+	CONTACT_CARD(R.string.parsed_type_contact_card),
+	CALENDAR_EVENT(R.string.parsed_type_calendar_event),
+	WIFI_NETWORK(R.string.parsed_type_wifi_network);
+}
+
+data class ParsedData(
+	val type: ParsedContentType,
+	val fields: List<ParsedField>
+)
+
+data class ParsedField(
+	val key: Any,
+	val value: CharSequence?,
+	val link: String? = null
+)
+
+fun parseData(
+	context: Context,
+	text: String,
+	bytes: ByteArray,
+	format: String,
+	action: Action = ActionRegistry.getAction(bytes)
+): ParsedData {
+	val fields = mutableListOf<ParsedField>()
+
+	DeutschePostParser.parse(bytes, format)?.let {
+		fields.addField(
+			context.getString(R.string.tracking_number),
+			it.label,
+			it.link,
+		)
+		return ParsedData(ParsedContentType.DEUTSCHE_POST, fields)
+	}
+
+	try {
+		fields.addField(R.string.formatted_json, JSONObject(text).toString(2))
+		return ParsedData(ParsedContentType.JSON, fields)
+	} catch (_: JSONException) {
+		// Ignore
+	}
+
+	IdlParser.parse(String(bytes))?.let {
+		fields.addField("IIN", it.iin)
+		it.elements.forEach { (id, value) ->
+			fields.addField(context.idlToRes(id), value)
+		}
+		return ParsedData(ParsedContentType.INTERNATIONAL_DRIVER_LICENSE, fields)
+	}
+
+	SealParser.parse(context, bytes)?.let { sealFields ->
+		sealFields.forEach { vf ->
+			fields.addField(vf.name, vf.value)
+		}
+		return ParsedData(ParsedContentType.DIGITAL_SEAL, fields)
+	}
+
+	EpcQrParser.parse(text)?.let {
+		fields.addAll(it.map { (id, value) ->
+			ParsedField(context.epcQrToRes(id), value)
+		})
+		return ParsedData(ParsedContentType.SEPA_EPC_QR, fields)
+	}
+
+	when (action) {
+		is MatMsgAction -> MatMsg(text).run {
+			fields.addField(R.string.email_to, to)
+			fields.addField(R.string.email_subject, sub)
+			fields.addField(R.string.email_body, body)
+			return ParsedData(ParsedContentType.EMAIL, fields)
+		}
+
+		is VCardAction,
+		is VEventAction -> VTypeParser.parseMap(text).let { parsedMap ->
+			parsedMap.forEach { item ->
+				fields.addField(item.key, item.value.joinToString("\n") { it.value })
+			}
+			return ParsedData(
+				if (action is VCardAction) {
+					ParsedContentType.CONTACT_CARD
+				} else {
+					ParsedContentType.CALENDAR_EVENT
+				},
+				fields
+			)
+		}
+
+		is WebAction -> try {
+			text.toUri().run {
+				fields.addField(R.string.scheme, scheme)
+				fields.addField(R.string.host, host)
+				fields.addField(R.string.query, query)
+			}
+			return ParsedData(ParsedContentType.URL, fields)
+		} catch (_: Exception) {
+			// Ignore
+		}
+
+		is OtpauthAction -> try {
+			text.toUri().run {
+				val label = pathSegments.firstOrNull()?.let {
+					Uri.decode(it)
+				} ?: ""
+				val colonIdx = label.indexOf(':')
+				val issuerFromLabel = if (colonIdx >= 0) {
+					label.substring(0, colonIdx)
+				} else {
+					null
+				}
+				val account = if (colonIdx >= 0) {
+					label.substring(colonIdx + 1).trim()
+				} else {
+					label
+				}
+				val issuer = getQueryParameter("issuer") ?: issuerFromLabel
+				fields.addField(R.string.entry_type, host?.uppercase())
+				fields.addField(R.string.otp_account, account)
+				fields.addField(R.string.otp_issuer, issuer)
+				fields.addField(R.string.otp_algorithm, getQueryParameter("algorithm"))
+				fields.addField(R.string.otp_digits, getQueryParameter("digits"))
+				if (host == "totp") {
+					fields.addField(R.string.otp_period, getQueryParameter("period"))
+				} else {
+					fields.addField(R.string.otp_counter, getQueryParameter("counter"))
+				}
+			}
+			return ParsedData(ParsedContentType.OTP, fields)
+		} catch (_: Exception) {
+			// Ignore
+		}
+
+		is WifiAction -> WifiConnector.parseMap(text)?.let { wifiData ->
+			fields.addField(R.string.wifi_ssid, wifiData["S"])
+			fields.addField(R.string.wifi_password, wifiData["P"])
+			fields.addField(R.string.wifi_type, wifiData["T"])
+			fields.addField(R.string.wifi_hidden, wifiData["H"])
+			fields.addField(R.string.wifi_eap, wifiData["E"])
+			fields.addField(R.string.wifi_identity, wifiData["I"])
+			fields.addField(R.string.wifi_anonymous_identity, wifiData["A"])
+			fields.addField(R.string.wifi_phase2, wifiData["PH2"])
+			return ParsedData(ParsedContentType.WIFI_NETWORK, fields)
+		}
+	}
+	return ParsedData(ParsedContentType.UNKNOWN, emptyList())
+}
+
+fun parsedContentTypeFromName(
+	name: String?
+): ParsedContentType = try {
+	ParsedContentType.valueOf(name ?: "")
+} catch (_: IllegalArgumentException) {
+	ParsedContentType.UNKNOWN
+}
+
+fun getContentPreview(
+	context: Context,
+	text: String,
+	bytes: ByteArray,
+	format: String,
+	action: Action = ActionRegistry.getAction(bytes)
+): CharSequence {
+	val parsedData = parseData(context, text, bytes, format, action)
+	return when (parsedData.type) {
+		ParsedContentType.UNKNOWN -> text.ifEmpty {
+			bytes.toHexString()
+		}
+
+		ParsedContentType.URL -> parsedData.valueFor(R.string.host)
+			?: text
+
+		ParsedContentType.WIFI_NETWORK -> parsedData.valueFor(R.string.wifi_ssid)
+			?: parsedData.firstValue()
+			?: text
+
+		ParsedContentType.EMAIL -> parsedData.valueFor(R.string.email_to)
+			?: parsedData.valueFor(R.string.email_subject)
+			?: parsedData.firstValue()
+			?: text
+
+		ParsedContentType.OTP -> parsedData.valueFor(R.string.otp_account)
+			?: parsedData.firstValue()
+			?: text
+
+		else -> parsedData.firstValue() ?: text
+	}
+}
+
+private fun ParsedData.valueFor(key: Int): CharSequence? =
+	fields.firstValue { it.key == key }
+
+private fun ParsedData.firstValue(): CharSequence? =
+	fields.firstValue()
+
+private fun List<ParsedField>.firstValue(
+	predicate: (ParsedField) -> Boolean = { true }
+): CharSequence? = firstOrNull {
+	predicate(it) && !it.value.isNullOrBlank()
+}?.value
+
+private fun MutableList<ParsedField>.addField(
+	key: Any,
+	value: CharSequence?,
+	link: String? = null
+) {
+	add(ParsedField(key, value, link))
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/DeutschePostParser.kt

@@ -0,0 +1,82 @@
+package de.markusfisch.android.binaryeye.content
+
+import de.markusfisch.android.zxingcpp.ZxingCpp
+
+data class DeutschePostTrackingLink(
+	val label: String,
+	val link: String
+)
+
+object DeutschePostParser {
+	fun parse(
+		bytes: ByteArray,
+		format: String
+	): DeutschePostTrackingLink? {
+		var isStamp = false
+		var rawData = bytes
+		if (format == ZxingCpp.BarcodeFormat.DataMatrix.name &&
+			bytes.toString(Charsets.ISO_8859_1).startsWith("DEA5")
+		) {
+			if (bytes.size == 47) {
+				isStamp = true
+			} else if (bytes.size > 47) {
+				// Transform back to original data.
+				rawData = bytes.toString(Charsets.UTF_8).toByteArray(
+					Charsets.ISO_8859_1
+				)
+				if (rawData.size == 47) {
+					isStamp = true
+				}
+			}
+		}
+
+		if (!isStamp) {
+			return null
+		}
+
+		val hex = StringBuilder()
+		hex.append(String.format("%02X", rawData[9]))
+		hex.append(String.format("%02X", rawData[10]))
+		hex.append(String.format("%02X", rawData[11]))
+		hex.append(String.format("%02X", rawData[12]))
+		hex.append(String.format("%02X", rawData[13]))
+		hex.append(String.format("%X", (rawData[4].toInt() and 0x0f).toByte()))
+		hex.append(String.format("%02X", rawData[5]))
+		hex.append(String.format("%02X", rawData[6]))
+		hex.append(String.format("%02X", rawData[7]))
+		hex.append(String.format("%02X", rawData[8]))
+		val hexString = hex.toString()
+		val trackingNumber = hexString + String.format(
+			"%X",
+			crc4(hexString.toByteArray(Charsets.ISO_8859_1))
+		)
+		return DeutschePostTrackingLink(
+			trackingNumber,
+			"https://www.deutschepost.de/de/s/sendungsverfolgung.html?piececode=$trackingNumber",
+		)
+	}
+
+	// CRC-4 with polynomial x^4 + x + 1.
+	private fun crc4(input: ByteArray): Int {
+		var crc = 0
+		var i = 0
+		while (i < input.size) {
+			val c = input[i].toInt()
+			var j = 0x80
+			while (j != 0) {
+				var bit = crc and 0x8
+				crc = crc shl 1
+				if (c and j != 0) {
+					bit = bit xor 0x8
+				}
+				if (bit != 0) {
+					crc = crc xor 0x3
+				}
+				j = j ushr 1
+			}
+			++i
+		}
+		crc = crc and 0xF
+		return crc
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/EpcQrElementMap.kt

@@ -0,0 +1,23 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.content.Context
+import de.markusfisch.android.binaryeye.R
+
+private val elementToLabel = mapOf(
+	EpcQrElement.SERVICE_TAG to R.string.epc_service_tag,
+	EpcQrElement.VERSION to R.string.epc_version,
+	EpcQrElement.CHARSET to R.string.epc_charset,
+	EpcQrElement.IDENTIFICATION to R.string.epc_identification,
+	EpcQrElement.BIC to R.string.epc_bic,
+	EpcQrElement.NAME to R.string.epc_name,
+	EpcQrElement.IBAN to R.string.epc_iban,
+	EpcQrElement.AMOUNT to R.string.epc_amount,
+	EpcQrElement.PURPOSE to R.string.epc_purpose,
+	EpcQrElement.REFERENCE to R.string.epc_reference,
+	EpcQrElement.TEXT to R.string.epc_text,
+	EpcQrElement.INFORMATION to R.string.epc_information
+)
+
+fun Context.epcQrToRes(element: EpcQrElement): String {
+	return elementToLabel[element]?.let { getString(it) } ?: element.name
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/EpcQrParser.kt

@@ -0,0 +1,141 @@
+package de.markusfisch.android.binaryeye.content
+
+enum class EpcQrElement {
+	SERVICE_TAG, VERSION, CHARSET, IDENTIFICATION,
+	BIC, NAME, IBAN, AMOUNT, PURPOSE, REFERENCE, TEXT, INFORMATION
+}
+
+object EpcQrParser {
+	private val BIC_REGEX = Regex("[A-Z0-9]{8}([A-Z0-9]{3})?")
+	private val IBAN_REGEX = Regex("[A-Z]{2}[0-9A-Z]{13,32}")
+	private val AMOUNT_REGEX = Regex("EUR\\d{1,10}(\\.\\d{2})?")
+	private val PURPOSE_REGEX = Regex("[A-Z]{4}")
+
+	private val charsetMap = mapOf(
+		"1" to "UTF-8",
+		"2" to "ISO 8859-1",
+		"3" to "ISO 8859-2",
+		"4" to "ISO 8859-4",
+		"5" to "ISO 8859-5",
+		"6" to "ISO 8859-7",
+		"7" to "ISO 8859-10",
+		"8" to "ISO 8859-15"
+	)
+
+	private fun splitLines(s: String): List<String>? {
+		val normalized = s
+			.replace("\r\n", "\n")
+			.replace('\r', '\n')
+			.removeSuffix("\n")
+		if (normalized.isEmpty()) {
+			return null
+		}
+		return normalized.split('\n')
+	}
+
+	private fun isValidVersion(value: String): Boolean {
+		return value == "001" || value == "002"
+	}
+
+	private fun isValidCharset(value: String): Boolean {
+		return charsetMap.containsKey(value)
+	}
+
+	private fun isValidIdentification(value: String): Boolean {
+		return value == "SCT"
+	}
+
+	private fun isValidBic(value: String): Boolean {
+		return value.matches(BIC_REGEX)
+	}
+
+	private fun isValidIban(value: String): Boolean {
+		return value.matches(IBAN_REGEX)
+	}
+
+	private fun isValidAmount(value: String): Boolean {
+		return value.matches(AMOUNT_REGEX)
+	}
+
+	fun parse(s: String?): Map<EpcQrElement, String>? {
+		if (s.isNullOrEmpty()) {
+			return null
+		}
+
+		val lines = splitLines(s) ?: return null
+		if (lines.size !in 7..12) {
+			return null
+		}
+		if (lines[0] != "BCD") {
+			return null
+		}
+		if (!isValidVersion(lines[1])) {
+			return null
+		}
+		if (!isValidCharset(lines[2])) {
+			return null
+		}
+		if (!isValidIdentification(lines[3])) {
+			return null
+		}
+
+		val bic = lines.getOrElse(4) { "" }
+		if ((lines[1] == "001" || bic.isNotEmpty()) && !isValidBic(bic)) {
+			return null
+		}
+
+		val recipient = lines.getOrElse(5) { "" }
+		if (recipient.isBlank() || recipient.length > 70) {
+			return null
+		}
+
+		val iban = lines.getOrElse(6) { "" }
+		if (!isValidIban(iban)) {
+			return null
+		}
+
+		val amount = lines.getOrElse(7) { "" }
+		if (amount.isNotEmpty() && !isValidAmount(amount)) {
+			return null
+		}
+
+		val purpose = lines.getOrElse(8) { "" }
+		if (purpose.isNotEmpty() && !purpose.matches(PURPOSE_REGEX)) {
+			return null
+		}
+
+		val remittanceReference = lines.getOrElse(9) { "" }
+		if (remittanceReference.length > 25) {
+			return null
+		}
+
+		val remittanceText = lines.getOrElse(10) { "" }
+		if (remittanceText.length > 140) {
+			return null
+		}
+
+		if (remittanceReference.isNotEmpty() && remittanceText.isNotEmpty()) {
+			return null
+		}
+
+		val information = lines.getOrElse(11) { "" }
+		if (information.length > 70) {
+			return null
+		}
+
+		return linkedMapOf(
+			EpcQrElement.SERVICE_TAG to lines[0],
+			EpcQrElement.VERSION to lines[1],
+			EpcQrElement.CHARSET to (charsetMap[lines[2]] ?: lines[2]),
+			EpcQrElement.IDENTIFICATION to lines[3],
+			EpcQrElement.BIC to bic,
+			EpcQrElement.NAME to recipient,
+			EpcQrElement.IBAN to iban,
+			EpcQrElement.AMOUNT to amount.removePrefix("EUR"),
+			EpcQrElement.PURPOSE to purpose,
+			EpcQrElement.REFERENCE to remittanceReference,
+			EpcQrElement.TEXT to remittanceText,
+			EpcQrElement.INFORMATION to information
+		)
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/Hex.kt

@@ -1,3 +0,0 @@
-package de.markusfisch.android.binaryeye.content
-
-fun ByteArray.toHexString() = joinToString("") { "%02X".format(it) }

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/IdbVerifier.kt

@@ -0,0 +1,191 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.content.Context
+import de.markusfisch.android.binaryeye.R
+import de.tsenger.vdstools.DataEncoder
+import de.tsenger.vdstools.Verifier
+import de.tsenger.vdstools.idb.IdbSeal
+import org.bouncycastle.asn1.ASN1ObjectIdentifier
+import org.bouncycastle.asn1.icao.CscaMasterList
+import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo
+import org.bouncycastle.asn1.x9.ECNamedCurveTable
+import org.bouncycastle.asn1.x9.X962Parameters
+import org.bouncycastle.cert.X509CertificateHolder
+import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter
+import org.bouncycastle.cms.CMSSignedData
+import org.bouncycastle.jce.provider.BouncyCastleProvider
+import java.security.Provider
+import java.security.Security
+import java.security.cert.X509Certificate
+import java.util.Date
+
+object IdbVerifier {
+	private const val MASTER_LIST_ASSET = "DE_ML_2026-01-08-12-20-54.ml"
+
+	private val provider: Provider by lazy {
+		BouncyCastleProvider().also { bcProvider ->
+			if (Security.getProvider(bcProvider.name) == null) {
+				Security.addProvider(bcProvider)
+			}
+		}
+	}
+
+	@Volatile
+	private var cachedMasterListCertificates: List<X509Certificate>? = null
+
+	fun verify(context: Context, seal: IdbSeal): List<SealField> {
+		val signatureInfo = seal.signatureInfo
+			?: return listOf(
+				SealField(
+					R.string.idb_verification,
+					context.getString(R.string.idb_verification_unsigned)
+				)
+			)
+		val headerCertificateReference = seal.signerCertReference
+			?.hexToByteArrayOrNull()
+		val signerCertificate = context.findCertificateByReference(
+			headerCertificateReference
+		)
+		val curveName = signerCertificate?.let {
+			curveNameFrom(it)
+		}
+		val signedBytes = seal.signedBytes
+		val signatureResult = if (
+			signerCertificate == null ||
+			curveName.isNullOrBlank() ||
+			signedBytes == null
+		) {
+			Verifier.Result.VerifyError
+		} else {
+			Verifier(
+				signedBytes,
+				signatureInfo.plainSignatureBytes,
+				signerCertificate.publicKey.encoded,
+				curveName
+			).verify()
+		}
+		val referenceMatches = signerCertificate != null &&
+				headerCertificateReference != null &&
+				DataEncoder.buildCertificateReference(signerCertificate.encoded)
+					.contentEquals(headerCertificateReference)
+		val certificateValidNow = signerCertificate != null && runCatching {
+			signerCertificate.checkValidity(Date())
+			true
+		}.getOrElse {
+			false
+		}
+		val verification = context.getString(
+			when {
+				signerCertificate == null ->
+					R.string.idb_verification_signer_certificate_issuer_not_found_in_master_list
+
+				!referenceMatches ->
+					R.string.idb_verification_signature_invalid
+
+				!certificateValidNow ->
+					R.string.idb_verification_signature_invalid
+
+				signatureResult == Verifier.Result.SignatureValid ->
+					R.string.idb_verification_verified
+
+				signatureResult == Verifier.Result.SignatureInvalid ->
+					R.string.idb_verification_signature_invalid
+
+				else -> R.string.idb_verification_error
+			}
+		)
+
+		val fields = mutableListOf(
+			SealField(R.string.idb_verification, verification),
+			SealField(
+				R.string.idb_certificate_reference,
+				signatureInfo.signerCertificateReference
+			),
+			SealField(
+				R.string.vds_signing_date,
+				signatureInfo.signingDate.toString()
+			),
+			SealField(
+				R.string.idb_signature_verification,
+				signatureResult.name
+			),
+		)
+		if (signerCertificate != null) {
+			fields.add(
+				SealField(
+					R.string.idb_signer_certificate_subject,
+					signerCertificate.subjectX500Principal.name
+				)
+			)
+			fields.add(
+				SealField(
+					R.string.idb_signer_certificate_issuer,
+					signerCertificate.issuerX500Principal.name
+				)
+			)
+		}
+		return fields
+	}
+
+	private fun String.hexToByteArrayOrNull(): ByteArray? {
+		if (length % 2 != 0) {
+			return null
+		}
+		return runCatching {
+			ByteArray(length / 2) { index ->
+				substring(index * 2, index * 2 + 2).toInt(16).toByte()
+			}
+		}.getOrNull()
+	}
+
+	private fun Context.loadMasterListCertificates(): List<X509Certificate> {
+		cachedMasterListCertificates?.let {
+			return it
+		}
+		synchronized(this) {
+			cachedMasterListCertificates?.let {
+				return it
+			}
+			val cmsSignedData = assets.open(MASTER_LIST_ASSET).use { input ->
+				CMSSignedData(input.readBytes())
+			}
+			val signedContent = cmsSignedData.signedContent?.content as? ByteArray
+				?: throw IllegalArgumentException("Master list does not contain signed content")
+			val masterList = CscaMasterList.getInstance(signedContent)
+			val certificates = masterList.certStructs.map { cert ->
+				JcaX509CertificateConverter()
+					.setProvider(provider)
+					.getCertificate(X509CertificateHolder(cert))
+			}
+			cachedMasterListCertificates = certificates
+			return certificates
+		}
+	}
+
+	private fun Context.findCertificateByReference(
+		certificateReference: ByteArray?
+	): X509Certificate? {
+		if (certificateReference == null || certificateReference.size != 5) {
+			return null
+		}
+		return runCatching {
+			loadMasterListCertificates().firstOrNull { certificate ->
+				DataEncoder.buildCertificateReference(certificate.encoded)
+					.contentEquals(certificateReference)
+			}
+		}.getOrNull()
+	}
+
+	private fun curveNameFrom(certificate: X509Certificate): String? {
+		return runCatching {
+			val subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(
+				certificate.publicKey.encoded
+			)
+			val params = X962Parameters.getInstance(subjectPublicKeyInfo.algorithm.parameters)
+			val oid = params.parameters as? ASN1ObjectIdentifier
+			oid?.let {
+				ECNamedCurveTable.getName(it)
+			}
+		}.getOrNull()
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/IdlElementMap.kt

@@ -0,0 +1,67 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.content.Context
+import de.markusfisch.android.binaryeye.R
+
+private val idToLabel = hashMapOf(
+	"DCA" to R.string.idl_vehicle_class,
+	"DCB" to R.string.idl_restriction_codes,
+	"DCD" to R.string.idl_endorsement_codes,
+	"DBA" to R.string.idl_date_of_expiry,
+	"DCS" to R.string.idl_customer_family_name,
+	"DAC" to R.string.idl_customer_first_name,
+	"DCT" to R.string.idl_customer_first_name_alt,
+	"DAD" to R.string.idl_customer_middle_name,
+	"DBD" to R.string.idl_date_of_issue,
+	"DBB" to R.string.idl_date_of_birth,
+	"DBC" to R.string.idl_sex,
+	"DAY" to R.string.idl_eye_color,
+	"DAU" to R.string.idl_body_height,
+	"DAG" to R.string.idl_address_street,
+	"DAI" to R.string.idl_address_city,
+	"DAJ" to R.string.idl_address_jurisdiction_code,
+	"DAK" to R.string.idl_address_postal_code,
+	"DAQ" to R.string.idl_customer_id_number,
+	"DCF" to R.string.idl_document_discriminator,
+	"DCG" to R.string.idl_country,
+	"DDE" to R.string.idl_family_name_truncation,
+	"DDF" to R.string.idl_first_name_truncation,
+	"DDG" to R.string.idl_middle_name_truncation,
+	"DAH" to R.string.idl_address_street_2,
+	"DAZ" to R.string.idl_hair_color,
+	"DCI" to R.string.idl_place_of_birth,
+	"DCJ" to R.string.idl_audit_information,
+	"DCK" to R.string.idl_inventory_control_number,
+	"DBN" to R.string.idl_alias_family_name,
+	"DBG" to R.string.idl_alias_given_name,
+	"DBS" to R.string.idl_alias_suffix_name,
+	"DCU" to R.string.idl_name_suffix,
+	"DCE" to R.string.idl_weight_range,
+	"DCL" to R.string.idl_ethnicity,
+	"DCM" to R.string.idl_standard_vehicle_classification,
+	"DCN" to R.string.idl_standard_endorsement_code,
+	"DCO" to R.string.idl_standard_restriction_code,
+	"DCP" to R.string.idl_vehicle_classification_description,
+	"DCQ" to R.string.idl_endorsement_code_description,
+	"DCR" to R.string.idl_restriction_code_description,
+	"DDA" to R.string.idl_compliance_type,
+	"DDB" to R.string.idl_card_revision_date,
+	"DDC" to R.string.idl_hazmat_endorsement_expiration_date,
+	"DDD" to R.string.idl_limited_duration_document_indicator,
+	"DAW" to R.string.idl_weight_pounds,
+	"DAX" to R.string.idl_weight_kilograms,
+	"DDH" to R.string.idl_under_18_until_date,
+	"DDI" to R.string.idl_under_19_until_date,
+	"DDJ" to R.string.idl_under_21_until_date,
+	"DDK" to R.string.idl_organ_donor_indicator,
+	"DDL" to R.string.idl_veteran_indicator
+)
+
+fun Context.idlToRes(id: String): String {
+	val resId = idToLabel[id]
+	return if (resId != null) {
+		getString(resId)
+	} else {
+		id
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/IdlParser.kt

@@ -0,0 +1,138 @@
+package de.markusfisch.android.binaryeye.content
+
+data class IdlInfo(
+	var iin: String? = null,
+	val elements: MutableMap<String, String> = linkedMapOf()
+)
+
+object IdlParser {
+	private fun resolveSex(value: String): String = when (value.firstOrNull()) {
+		'1' -> "M"
+		'2' -> "F"
+		'9' -> "X"
+		else -> value
+	}
+
+	private fun skipWhitespace(s: String, p: Int): Int {
+		var i = p
+		while (i < s.length && s[i].isWhitespace()) {
+			++i;
+		}
+		return i
+	}
+
+	private fun findSubType(s: String, idlInfo: IdlInfo): String {
+		val len = s.length
+		var p = skipWhitespace(s, 0)
+
+		if (p < len && s[p] == '@') {
+			while (p < len) {
+				if (!s[p].isDigit()) {
+					++p
+					continue
+				}
+				var d = p
+				while (d < len && s[d].isDigit()) {
+					++d
+				}
+				if (d - p < 8 || len - d < 3) {
+					p = d
+					continue
+				}
+
+				val code = s.substring(d, d + 2)
+				if (code != "DL" && code != "ID") {
+					p = d + 2
+					continue
+				}
+
+				idlInfo.elements["DL"] = code
+				d += 2
+
+				while (d < len) {
+					while (d < len && s[d] !in "DI") {
+						++d
+					}
+					if (len - d < 2) break
+
+					val sec = s.substring(d, d + 2)
+					if (sec == "DL" || sec == "ID") {
+						return s.substring(d + 2)
+					}
+					++d
+				}
+				break
+			}
+		}
+		return s
+	}
+
+	private fun findIIN(s: String): String? {
+		val ansi = s.indexOf("ANSI").takeIf { it >= 0 } ?: return null
+		var p = ansi + 4
+		val len = s.length
+		val whitespaceSkipped = skipWhitespace(s, p)
+		if (whitespaceSkipped == p) {
+			return null
+		}
+		p = whitespaceSkipped
+		val iinStart = p
+		var digits = 0
+		while (digits < 6 && p < len && s[p].isDigit()) {
+			++p
+			++digits
+		}
+		return s.substring(iinStart, p)
+	}
+
+	fun parse(s: String?): IdlInfo? {
+		if (s.isNullOrEmpty()) {
+			return null
+		}
+
+		val idlInfo = IdlInfo().apply {
+			iin = findIIN(s)
+		}
+		val data = findSubType(s, idlInfo)
+		val len = data.length
+		var start = 0
+		var skipSubtype = false
+
+		for (p in 0..len) {
+			if (p < len && data[p] > '\u001f') {
+				continue
+			}
+
+			// Per spec, CR (0x0d) is the subfile boundary marker. The segment
+			// immediately following a CR may begin with a 2-char subfile type
+			// identifier (e.g. "ZV", "ZI") prepended to the first field.
+			// Detect this by checking that the marker matches the key prefix
+			// (jurisdiction fields always share their 2-char subfile prefix).
+			val seg = if (skipSubtype && p - start >= 4 &&
+				data[start] == data[start + 2] &&
+				data[start + 1] == data[start + 3]
+			) {
+				start + 2
+			} else {
+				start
+			}
+
+			if (p - seg > 3) {
+				val vp = seg + 3
+				val key = data.substring(seg, vp)
+
+				if (key.matches(Regex("[DZ][A-Z]{2}"))) {
+					var value = data.substring(vp, p)
+					if (key == "DBC") {
+						value = resolveSex(value)
+					}
+					idlInfo.elements[key] = value.trim()
+				}
+			}
+			skipSubtype = p < len && data[p] == '\r'
+			start = p + 1
+		}
+
+		return if (idlInfo.elements.isEmpty()) null else idlInfo
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/SealParser.kt

@@ -0,0 +1,142 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.content.Context
+import de.markusfisch.android.binaryeye.R
+import de.tsenger.vdstools.asn1.DerTlv
+import de.tsenger.vdstools.generic.Message
+import de.tsenger.vdstools.generic.MessageCoding
+import de.tsenger.vdstools.generic.MessageValue
+import de.tsenger.vdstools.generic.Seal
+import de.tsenger.vdstools.idb.IdbSeal
+import org.json.JSONArray
+import org.json.JSONObject
+import de.tsenger.vdstools.generic.SealParser as VdsSealParser
+
+data class SealField(val name: Any, val value: String)
+private data class IdbChildMessageDefinition(
+	val name: String,
+	val coding: MessageCoding
+)
+
+object SealParser {
+	private val idbChildMessagesByName: Map<String, Map<Int, IdbChildMessageDefinition>> by lazy {
+		loadIdbChildMessagesByName()
+	}
+
+	fun parse(
+		context: Context,
+		bytes: ByteArray
+	): List<SealField>? = try {
+		context.buildFields(
+			VdsSealParser().parse(bytes.toString(Charsets.ISO_8859_1))
+		)
+	} catch (_: Exception) {
+		null
+	}
+
+	private fun Context.buildFields(seal: Seal): List<SealField> = buildList {
+		add(SealField(R.string.vds_document_type, seal.documentType))
+		add(SealField(R.string.vds_issuing_country, seal.issuingCountry))
+		if (seal is IdbSeal) {
+			addAll(IdbVerifier.verify(this@buildFields, seal))
+		}
+		for (message in seal.messageList) {
+			addAll(message.toFields())
+		}
+	}
+
+	private fun Message.toFields(): List<SealField> = buildList {
+		add(
+			if (value is MessageValue.BytesValue) {
+				SealField(
+					"$name (${value.rawBytes.size} bytes)",
+					value.rawBytes.toHexString().uppercase()
+				)
+			} else {
+				SealField(name, value.toString())
+			}
+		)
+		for (child in childMessages()) {
+			addAll(child.toFields())
+		}
+	}
+
+	private fun Message.childMessages(): List<Message> {
+		val childDefinitionsByTag = idbChildMessagesByName[name] ?: return emptyList()
+		return runCatching {
+			DerTlv.parseAll(value.rawBytes).mapNotNull { derTlv ->
+				val childTag = derTlv.tag.toInt() and 0xff
+				val childDefinition = childDefinitionsByTag[childTag]
+					?: return@mapNotNull null
+				Message(
+					childTag,
+					childDefinition.name,
+					childDefinition.coding,
+					MessageValue.fromBytes(
+						derTlv.value,
+						childDefinition.coding
+					)
+				)
+			}
+		}.getOrElse {
+			emptyList()
+		}
+	}
+
+	private fun loadIdbChildMessagesByName(): Map<String, Map<Int, IdbChildMessageDefinition>> {
+		val resourceConstantsClass = runCatching {
+			Class.forName("de.tsenger.vdstools.generated.ResourceConstants")
+		}.getOrElse {
+			return emptyMap()
+		}
+		val json = runCatching {
+			resourceConstantsClass.getField(
+				"IDB_MESSAGE_TYPES_JSON"
+			).get(null) as String
+		}.getOrElse {
+			return emptyMap()
+		}
+		val childMessagesByName =
+			mutableMapOf<String, Map<Int, IdbChildMessageDefinition>>()
+		val messageTypes = JSONArray(json)
+		for (i in 0 until messageTypes.length()) {
+			val messageType = messageTypes.getJSONObject(i)
+			val messages = messageType.optJSONArray("messages") ?: continue
+			collectChildMessages(
+				messageType.getString("name"),
+				messages,
+				childMessagesByName
+			)
+		}
+		return childMessagesByName
+	}
+
+	private fun collectChildMessages(
+		parentName: String,
+		messages: JSONArray,
+		childMessagesByName: MutableMap<String, Map<Int, IdbChildMessageDefinition>>
+	) {
+		val childMessages = mutableMapOf<Int, IdbChildMessageDefinition>()
+		for (i in 0 until messages.length()) {
+			val message = messages.getJSONObject(i)
+			val childDefinition = message.toChildMessageDefinition()
+			childMessages[message.getInt("tag")] = childDefinition
+			val nestedMessages = message.optJSONArray("messages") ?: continue
+			collectChildMessages(
+				childDefinition.name,
+				nestedMessages,
+				childMessagesByName
+			)
+		}
+		if (childMessages.isNotEmpty()) {
+			childMessagesByName[parentName] = childMessages
+		}
+	}
+
+	private fun JSONObject.toChildMessageDefinition(): IdbChildMessageDefinition {
+		return IdbChildMessageDefinition(
+			getString("name"),
+			MessageCoding.valueOf(getString("coding"))
+		)
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/Share.kt

@@ -5,13 +5,17 @@ import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
-import android.support.v4.content.FileProvider
+import androidx.core.content.FileProvider
+import androidx.core.net.toUri
 import de.markusfisch.android.binaryeye.BuildConfig
 import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.widget.toast
 import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
 
-fun Context.execShareIntent(intent: Intent): Boolean = if (
+fun Context.startIntentOrToast(intent: Intent): Boolean = if (
 	!startIntent(intent)
 ) {
 	toast(R.string.cannot_resolve_action)
@@ -31,31 +35,81 @@ fun Context.startIntent(intent: Intent): Boolean = try {
 	// necessary.
 	startActivity(intent)
 	true
-} catch (e: ActivityNotFoundException) {
+} catch (_: ActivityNotFoundException) {
+	false
+} catch (_: SecurityException) {
 	false
 }
 
-fun Context.openUrl(url: String): Boolean = openUri(url.parseAndNormalizeUri())
+fun Context.openUrl(url: String, silent: Boolean = false): Boolean {
+	return openUri(url.parseAndNormalizeUri(), silent)
+}
 
-fun Context.openUri(uri: Uri): Boolean = execShareIntent(
-	Intent(Intent.ACTION_VIEW, uri)
-)
-
-fun String.parseAndNormalizeUri(): Uri = Uri.parse(this).let {
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-		it.normalizeScheme()
+fun Context.openUri(uri: Uri, silent: Boolean = false): Boolean {
+	val cleaned = if (prefs.stripTrackingParams) {
+		uri.stripTrackingParams()
 	} else {
-		it
+		uri
+	}
+	val intent = Intent(Intent.ACTION_VIEW, cleaned).apply {
+		if (cleaned.scheme == "content") {
+			addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+		}
+	}
+	return if (silent) {
+		startIntent(intent)
+	} else {
+		startIntentOrToast(intent)
 	}
 }
 
+fun String.parseAndNormalizeUri(): Uri = toUri().normalizeScheme()
+
 fun Context.shareText(text: String, mimeType: String = "text/plain") {
-	execShareIntent(Intent(Intent.ACTION_SEND).apply {
+	startIntentOrToast(Intent(Intent.ACTION_SEND).apply {
 		putExtra(Intent.EXTRA_TEXT, text)
 		type = mimeType
 	})
 }
 
+private var lastShareFile: File? = null
+fun wipeLastShareFile() {
+	lastShareFile?.let {
+		it.delete()
+		lastShareFile = null
+	}
+}
+
+fun <T> Context.shareAsFile(content: T, fileName: String) {
+	val (bytes, mimeType) = when (content) {
+		is ByteArray -> Pair(
+			content,
+			"text/plain"
+		)
+
+		is String -> Pair(
+			content.toByteArray(),
+			"application/octet-stream"
+		)
+
+		else -> throw IllegalArgumentException(
+			"Unsupported content text for shareAsFile()"
+		)
+	}
+	wipeLastShareFile()
+	val file = File(externalCacheDir, fileName)
+	try {
+		FileOutputStream(file).use {
+			it.write(bytes)
+		}
+	} catch (_: IOException) {
+		toast(R.string.error_saving_file)
+		return
+	}
+	lastShareFile = file
+	shareFile(file, mimeType)
+}
+
 fun Context.shareFile(file: File, mimeType: String) {
 	getUriForFile(file)?.let {
 		shareUri(it, mimeType)
@@ -75,7 +129,7 @@ private fun Context.getUriForFile(file: File): Uri? = if (
 }
 
 private fun Context.shareUri(uri: Uri, mimeType: String) {
-	execShareIntent(Intent(Intent.ACTION_SEND).apply {
+	startIntentOrToast(Intent(Intent.ACTION_SEND).apply {
 		putExtra(Intent.EXTRA_STREAM, uri)
 		addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
 		type = mimeType

app/src/main/kotlin/de/markusfisch/android/binaryeye/content/UrlSanitizer.kt

@@ -0,0 +1,44 @@
+package de.markusfisch.android.binaryeye.content
+
+import android.net.Uri
+
+private val TRACKING_PARAMS = setOf(
+	"utm_source", "utm_medium", "utm_campaign", "utm_term", "utm_content",
+	"utm_id", "utm_name", "utm_referrer", "utm_brand", "utm_social",
+	"fbclid", "gclid", "dclid", "gclsrc", "yclid", "msclkid",
+	"mc_eid", "mc_cid",
+	"_ga", "_gl", "ga_source", "ga_medium",
+	"igshid", "igsh",
+	"hsa_acc", "hsa_cam", "hsa_grp", "hsa_ad", "hsa_src",
+	"hsa_tgt", "hsa_kw", "hsa_mt", "hsa_net", "hsa_ver",
+	"spm", "scm", "vero_id", "vero_conv"
+)
+
+fun Uri.stripTrackingParams(): Uri {
+	val scheme = scheme?.lowercase()
+	if (scheme != "http" && scheme != "https") {
+		return this
+	}
+
+	val queryNames = runCatching {
+		queryParameterNames
+	}.getOrDefault(emptySet())
+	if (queryNames.isEmpty()) {
+		return this
+	}
+
+	val keep = queryNames.filter { paramName ->
+		paramName.lowercase() !in TRACKING_PARAMS
+	}
+	if (keep.size == queryNames.size) {
+		return this
+	}
+
+	val builder = buildUpon().clearQuery()
+	for (paramName in keep) {
+		getQueryParameters(paramName).forEach { paramValue ->
+			builder.appendQueryParameter(paramName, paramValue)
+		}
+	}
+	return builder.build()
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/database/CsvExport.kt

@@ -2,7 +2,6 @@ package de.markusfisch.android.binaryeye.database
 
 import android.content.Context
 import android.database.Cursor
-import de.markusfisch.android.binaryeye.content.toHexString
 import de.markusfisch.android.binaryeye.io.writeExternalFile
 import java.io.ByteArrayOutputStream
 import java.io.OutputStream
@@ -30,11 +29,13 @@ private fun exportCsv(
 		return
 	}
 	val columns = arrayOf(
+		Database.SCANS_PINNED,
 		Database.SCANS_DATETIME,
 		Database.SCANS_FORMAT,
-		Database.SCANS_CONTENT,
+		Database.SCANS_NAME,
+		Database.SCANS_TEXT,
 		Database.SCANS_ERROR_CORRECTION_LEVEL,
-		Database.SCANS_VERSION_NUMBER,
+		Database.SCANS_VERSION,
 		Database.SCANS_SEQUENCE_SIZE,
 		Database.SCANS_SEQUENCE_INDEX,
 		Database.SCANS_SEQUENCE_ID,
@@ -46,7 +47,7 @@ private fun exportCsv(
 	val indices = columns.map {
 		cursor.getColumnIndex(it)
 	}
-	val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
+	val contentIndex = cursor.getColumnIndex(Database.SCANS_TEXT)
 	val rawIndex = cursor.getColumnIndex(Database.SCANS_RAW)
 	outputStream.write(
 		columns.joinToString(

app/src/main/kotlin/de/markusfisch/android/binaryeye/database/Cursor.kt

@@ -1,15 +1,7 @@
 package de.markusfisch.android.binaryeye.database
 
 import android.database.Cursor
-
-// Overwrite Kotlin's ".use" function for Cursor because Cursor cannot
-// be cast to Closeable below API level 16. This should be removed when
-// the minSDK is increased to at least JELLY_BEAN (16).
-inline fun <R> Cursor.use(block: (Cursor) -> R): R = try {
-	block.invoke(this)
-} finally {
-	close()
-}
+import de.markusfisch.android.zxingcpp.ZxingCpp
 
 fun Cursor.getInt(name: String): Int {
 	val idx = getColumnIndex(name)
@@ -30,3 +22,18 @@ fun Cursor.getBlob(name: String): ByteArray? {
 	val idx = getColumnIndex(name)
 	return if (idx < 0) null else getBlob(idx)
 }
+
+fun Cursor.getBitMatrix(
+	widthName: String,
+	heightName: String,
+	dataName: String
+): ZxingCpp.BitMatrix? {
+	val width = getInt(widthName)
+	val height = getInt(heightName)
+	val data = getBlob(dataName)
+	return if (width > 0 && height > 0 && data != null) {
+		ZxingCpp.BitMatrix(width, height, data)
+	} else {
+		null
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/database/Database.kt

@@ -6,47 +6,62 @@ import android.database.Cursor
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.content.ParsedContentType
+import de.markusfisch.android.binaryeye.content.parseData
+import de.markusfisch.android.binaryeye.content.parsedContentTypeFromName
+import de.markusfisch.android.binaryeye.preference.Preferences
+import de.markusfisch.android.binaryeye.zxingcpp.migrateBarcodeFormatName
+import de.markusfisch.android.binaryeye.zxingcpp.oldToNewFormatNames
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
 
 class Database {
 	private lateinit var db: SQLiteDatabase
+	private lateinit var context: Context
 
 	fun open(context: Context) {
+		this.context = context.applicationContext
 		db = OpenHelper(context).writableDatabase
+		fillMissingContentTypes()
 	}
 
-	fun getScans(query: String? = null): Cursor? = db.rawQuery(
+	fun getScans(query: String? = null): Cursor = db.rawQuery(
 		"""SELECT
 			$SCANS_ID,
+			$SCANS_PINNED,
 			$SCANS_DATETIME,
 			$SCANS_NAME,
-			$SCANS_CONTENT,
+			$SCANS_TEXT,
+			$SCANS_RAW,
+			$SCANS_CONTENT_TYPE,
 			$SCANS_FORMAT
 			FROM $SCANS
 			${getWhereClause(query)}
-			ORDER BY $SCANS_DATETIME DESC
+			ORDER BY $SCANS_PINNED DESC, $SCANS_DATETIME DESC
 		""".trimMargin(), getWhereArguments(query)
 	)
 
-	fun getScansDetailed(query: String? = null): Cursor? = db.rawQuery(
+	fun getScansDetailed(query: String? = null): Cursor = db.rawQuery(
 		"""SELECT
 			$SCANS_ID,
+			$SCANS_PINNED,
 			$SCANS_DATETIME,
 			$SCANS_NAME,
-			$SCANS_CONTENT,
+			$SCANS_TEXT,
 			$SCANS_RAW,
 			$SCANS_FORMAT,
 			$SCANS_ERROR_CORRECTION_LEVEL,
-			$SCANS_VERSION_NUMBER,
+			$SCANS_VERSION,
 			$SCANS_SEQUENCE_SIZE,
 			$SCANS_SEQUENCE_INDEX,
 			$SCANS_SEQUENCE_ID,
 			$SCANS_GTIN_COUNTRY,
 			$SCANS_GTIN_ADD_ON,
 			$SCANS_GTIN_PRICE,
-			$SCANS_GTIN_ISSUE_NUMBER
+			$SCANS_GTIN_ISSUE_NUMBER,
+			$SCANS_CONTENT_TYPE
 			FROM $SCANS
 			${getWhereClause(query)}
-			ORDER BY $SCANS_DATETIME DESC
+			ORDER BY $SCANS_PINNED DESC, $SCANS_DATETIME DESC
 		""".trimMargin(), getWhereArguments(query)
 	)
 
@@ -54,8 +69,9 @@ class Database {
 		query: String?,
 		prefix: String = "WHERE"
 	) = if (query?.isNotEmpty() == true) {
-		"""$prefix $SCANS_CONTENT LIKE ?
-			OR $SCANS_NAME LIKE ?"""
+		"""$prefix $SCANS_TEXT LIKE ?
+			OR $SCANS_NAME LIKE ?
+			OR $SCANS_FORMAT LIKE ?"""
 	} else {
 		""
 	}
@@ -64,39 +80,78 @@ class Database {
 		query: String?
 	) = if (query?.isNotEmpty() == true) {
 		val instr = "%$query%"
-		arrayOf(instr, instr)
+		arrayOf(instr, instr, instr)
 	} else {
 		null
 	}
 
-	fun getScan(id: Long): Scan? = db.rawQuery(
+	fun getScansDetailed(ids: LongArray): Cursor = db.rawQuery(
 		"""SELECT
 			$SCANS_ID,
+			$SCANS_PINNED,
 			$SCANS_DATETIME,
 			$SCANS_NAME,
-			$SCANS_CONTENT,
+			$SCANS_TEXT,
 			$SCANS_RAW,
 			$SCANS_FORMAT,
 			$SCANS_ERROR_CORRECTION_LEVEL,
-			$SCANS_VERSION_NUMBER,
+			$SCANS_VERSION,
 			$SCANS_SEQUENCE_SIZE,
 			$SCANS_SEQUENCE_INDEX,
 			$SCANS_SEQUENCE_ID,
 			$SCANS_GTIN_COUNTRY,
 			$SCANS_GTIN_ADD_ON,
 			$SCANS_GTIN_PRICE,
-			$SCANS_GTIN_ISSUE_NUMBER
+			$SCANS_GTIN_ISSUE_NUMBER,
+			$SCANS_CONTENT_TYPE
+			FROM $SCANS
+			WHERE $SCANS_ID IN (${ids.joinToString(",")})
+			ORDER BY $SCANS_PINNED DESC, $SCANS_DATETIME DESC
+		""".trimMargin(), null
+	)
+
+	fun getScan(id: Long): Scan? = db.rawQuery(
+		"""SELECT
+			$SCANS_ID,
+			$SCANS_PINNED,
+			$SCANS_DATETIME,
+			$SCANS_NAME,
+			$SCANS_TEXT,
+			$SCANS_RAW,
+			$SCANS_FORMAT,
+			$SCANS_ERROR_CORRECTION_LEVEL,
+			$SCANS_VERSION,
+			$SCANS_DATA_MASK,
+			$SCANS_SYMBOL_WIDTH,
+			$SCANS_SYMBOL_HEIGHT,
+			$SCANS_SYMBOL_DATA,
+			$SCANS_SEQUENCE_SIZE,
+			$SCANS_SEQUENCE_INDEX,
+			$SCANS_SEQUENCE_ID,
+			$SCANS_GTIN_COUNTRY,
+			$SCANS_GTIN_ADD_ON,
+			$SCANS_GTIN_PRICE,
+			$SCANS_GTIN_ISSUE_NUMBER,
+			$SCANS_CONTENT_TYPE
 			FROM $SCANS
 			WHERE $SCANS_ID = ?
 		""".trimMargin(), arrayOf("$id")
-	)?.use {
+	).use {
 		if (it.moveToFirst()) {
 			Scan(
-				it.getString(SCANS_CONTENT),
+				it.getString(SCANS_TEXT),
 				it.getBlob(SCANS_RAW),
-				it.getString(SCANS_FORMAT),
+				BarcodeFormat.valueOf(
+					it.getString(SCANS_FORMAT).migrateBarcodeFormatName()
+				),
 				it.getString(SCANS_ERROR_CORRECTION_LEVEL),
-				it.getInt(SCANS_VERSION_NUMBER),
+				it.getString(SCANS_VERSION),
+				it.getInt(SCANS_DATA_MASK),
+				it.getBitMatrix(
+					SCANS_SYMBOL_WIDTH,
+					SCANS_SYMBOL_HEIGHT,
+					SCANS_SYMBOL_DATA
+				),
 				it.getInt(SCANS_SEQUENCE_SIZE),
 				it.getInt(SCANS_SEQUENCE_INDEX),
 				it.getString(SCANS_SEQUENCE_ID),
@@ -105,77 +160,120 @@ class Database {
 				it.getString(SCANS_GTIN_PRICE),
 				it.getString(SCANS_GTIN_ISSUE_NUMBER),
 				it.getString(SCANS_DATETIME),
-				it.getLong(SCANS_ID)
+				it.getLong(SCANS_ID),
+				it.getString(SCANS_NAME),
+				it.getInt(SCANS_PINNED) != 0,
+				parsedContentTypeFromName(it.getString(SCANS_CONTENT_TYPE))
 			)
 		} else {
 			null
 		}
 	}
 
-	fun insertScan(scan: Scan): Long = db.insert(
-		SCANS,
-		null,
-		ContentValues().apply {
-			put(SCANS_DATETIME, scan.dateTime)
-			val isRaw = scan.raw != null
-			if (isRaw) {
-				put(SCANS_CONTENT, "")
-				put(SCANS_RAW, scan.raw)
-			} else {
-				put(SCANS_CONTENT, scan.content)
-			}
-			put(SCANS_FORMAT, scan.format)
-			scan.errorCorrectionLevel?.let {
-				put(SCANS_ERROR_CORRECTION_LEVEL, it)
-			}
-			put(SCANS_VERSION_NUMBER, scan.versionNumber)
-			put(SCANS_SEQUENCE_SIZE, scan.sequenceSize)
-			put(SCANS_SEQUENCE_INDEX, scan.sequenceIndex)
-			put(SCANS_SEQUENCE_ID, scan.sequenceId)
-			scan.country?.let { put(SCANS_GTIN_COUNTRY, it) }
-			scan.addOn?.let { put(SCANS_GTIN_ADD_ON, it) }
-			scan.price?.let { put(SCANS_GTIN_PRICE, it) }
-			scan.issueNumber?.let { put(SCANS_GTIN_ISSUE_NUMBER, it) }
-			if (prefs.ignoreConsecutiveDuplicates) {
+	fun insertScan(scan: Scan): Long {
+		when (prefs.ignoreDuplicates()) {
+			Preferences.Companion.IgnoreDuplicates.Consecutive -> {
 				val id = getIdOfLastScan(
-					get(SCANS_CONTENT) as String,
-					if (isRaw) get(SCANS_RAW) as ByteArray else null,
+					scan.text,
+					scan.raw,
 					scan.format
 				)
 				if (id > 0L) {
 					return id
 				}
 			}
+
+			Preferences.Companion.IgnoreDuplicates.Any -> {
+				val id = getIdOfScanByContent(scan.text, scan.format)
+				if (id > 0L) {
+					return id
+				}
+			}
+
+			else -> Unit
 		}
-	)
+		return db.insert(
+			SCANS,
+			null,
+			ContentValues().apply {
+				put(SCANS_DATETIME, scan.dateTime)
+				put(SCANS_TEXT, scan.text)
+				if (scan.raw != null) {
+					put(SCANS_RAW, scan.raw)
+				}
+				put(SCANS_FORMAT, scan.format.name)
+				scan.errorCorrectionLevel?.let {
+					put(SCANS_ERROR_CORRECTION_LEVEL, it)
+				}
+				put(SCANS_VERSION, scan.version)
+				put(SCANS_DATA_MASK, scan.dataMask)
+				if (scan.symbol != null) {
+					put(SCANS_SYMBOL_WIDTH, scan.symbol.width)
+					put(SCANS_SYMBOL_HEIGHT, scan.symbol.height)
+					put(SCANS_SYMBOL_DATA, scan.symbol.data)
+				}
+				put(SCANS_SEQUENCE_SIZE, scan.sequenceSize)
+				put(SCANS_SEQUENCE_INDEX, scan.sequenceIndex)
+				put(SCANS_SEQUENCE_ID, scan.sequenceId)
+				scan.country?.let { put(SCANS_GTIN_COUNTRY, it) }
+				scan.addOn?.let { put(SCANS_GTIN_ADD_ON, it) }
+				scan.price?.let { put(SCANS_GTIN_PRICE, it) }
+				scan.issueNumber?.let { put(SCANS_GTIN_ISSUE_NUMBER, it) }
+				put(SCANS_PINNED, if (scan.pinned) 1 else 0)
+				put(
+					SCANS_CONTENT_TYPE,
+					getContentType(scan.text, scan.raw, scan.format.name).name
+				)
+			}
+		)
+	}
 
 	private fun getIdOfLastScan(
 		content: String,
 		raw: ByteArray?,
-		format: String
+		format: BarcodeFormat
 	): Long = db.rawQuery(
 		"""SELECT
 				$SCANS_ID,
-				$SCANS_CONTENT,
+				$SCANS_TEXT,
 				$SCANS_RAW,
 				$SCANS_FORMAT
 				FROM $SCANS
 				ORDER BY $SCANS_ID DESC
 				LIMIT 1
 			""".trimMargin(), null
-	)?.use {
+	).use {
 		if (it.count > 0 &&
 			it.moveToFirst() &&
-			it.getString(SCANS_CONTENT) == content &&
+			it.getString(SCANS_TEXT) == content &&
 			(raw == null || it.getBlob(SCANS_RAW)
 				?.contentEquals(raw) == true) &&
-			it.getString(SCANS_FORMAT) == format
+			it.getString(SCANS_FORMAT) == format.name
 		) {
 			it.getLong(SCANS_ID)
 		} else {
 			0L
 		}
-	} ?: 0L
+	}
+
+	private fun getIdOfScanByContent(
+		content: String,
+		format: BarcodeFormat
+	): Long = db.rawQuery(
+		"""SELECT
+				$SCANS_ID
+				FROM $SCANS
+				WHERE $SCANS_TEXT = ?
+					AND $SCANS_FORMAT = ?
+				LIMIT 1
+			""".trimMargin(), arrayOf(content, format.name)
+	).use {
+		if (it.moveToFirst()) {
+			it.getLong(SCANS_ID)
+		} else {
+			0L
+		}
+	}
 
 	fun removeScan(id: Long) {
 		db.delete(SCANS, "$SCANS_ID = ?", arrayOf("$id"))
@@ -191,10 +289,60 @@ class Database {
 		db.update(SCANS, cv, "$SCANS_ID = ?", arrayOf("$id"))
 	}
 
+	fun setPinned(id: Long, pinned: Boolean) {
+		val cv = ContentValues()
+		cv.put(SCANS_PINNED, if (pinned) 1 else 0)
+		db.update(SCANS, cv, "$SCANS_ID = ?", arrayOf("$id"))
+	}
+
+	private fun fillMissingContentTypes() {
+		Thread {
+			db.rawQuery(
+				"""SELECT
+					$SCANS_ID,
+					$SCANS_TEXT,
+					$SCANS_RAW,
+					$SCANS_FORMAT
+					FROM $SCANS
+					WHERE $SCANS_CONTENT_TYPE IS NULL
+				""".trimMargin(),
+				null
+			).use {
+				while (it.moveToNext()) {
+					val id = it.getLong(SCANS_ID)
+					val type = getContentType(
+						it.getString(SCANS_TEXT),
+						it.getBlob(SCANS_RAW),
+						it.getString(SCANS_FORMAT)
+					)
+					db.update(
+						SCANS,
+						ContentValues().apply {
+							put(SCANS_CONTENT_TYPE, type.name)
+						},
+						"$SCANS_ID = ?",
+						arrayOf("$id")
+					)
+				}
+			}
+		}.start()
+	}
+
+	private fun getContentType(
+		text: String,
+		raw: ByteArray?,
+		format: String
+	) = parseData(
+		context,
+		text,
+		raw ?: text.toByteArray(),
+		format
+	).type
+
 	private class OpenHelper(context: Context) :
-		SQLiteOpenHelper(context, FILE_NAME, null, 5) {
+		SQLiteOpenHelper(context, FILE_NAME, null, 11) {
 		override fun onCreate(db: SQLiteDatabase) {
-			createScans(db)
+			db.createScans()
 		}
 
 		override fun onUpgrade(
@@ -203,16 +351,34 @@ class Database {
 			newVersion: Int
 		) {
 			if (oldVersion < 2) {
-				addRawColumn(db)
+				db.addRawColumn()
 			}
 			if (oldVersion < 3) {
-				addMetaDataColumns(db)
+				db.addMetaDataColumns()
 			}
 			if (oldVersion < 4) {
-				addNameColumn(db)
+				db.addNameColumn()
 			}
 			if (oldVersion < 5) {
-				migrateToZxingCpp(db)
+				db.migrateToZxingCpp()
+			}
+			if (oldVersion < 6) {
+				db.migrateToVersionString()
+			}
+			if (oldVersion < 7) {
+				db.addDataMaskColumn()
+			}
+			if (oldVersion < 8) {
+				db.addSymbolColumns()
+			}
+			if (oldVersion < 9) {
+				db.migrateToNativeFormatNames()
+			}
+			if (oldVersion < 10) {
+				db.addPinnedColumn()
+			}
+			if (oldVersion < 11) {
+				db.addContentTypeColumn()
 			}
 		}
 	}
@@ -223,11 +389,16 @@ class Database {
 		const val SCANS_ID = "_id"
 		const val SCANS_DATETIME = "_datetime"
 		const val SCANS_NAME = "name"
-		const val SCANS_CONTENT = "content"
+		const val SCANS_TEXT = "content"
 		const val SCANS_RAW = "raw"
 		const val SCANS_FORMAT = "format"
 		const val SCANS_ERROR_CORRECTION_LEVEL = "error_correction_level"
 		const val SCANS_VERSION_NUMBER = "version_number"
+		const val SCANS_VERSION = "version"
+		const val SCANS_DATA_MASK = "data_mask"
+		const val SCANS_SYMBOL_WIDTH = "symbol_width"
+		const val SCANS_SYMBOL_HEIGHT = "symbol_height"
+		const val SCANS_SYMBOL_DATA = "symbol_data"
 		const val SCANS_ISSUE_NUMBER = "issue_number"
 		const val SCANS_ORIENTATION = "orientation"
 		const val SCANS_OTHER_META_DATA = "other_meta_data"
@@ -242,68 +413,107 @@ class Database {
 		const val SCANS_GTIN_ADD_ON = "gtin_add_on"
 		const val SCANS_GTIN_PRICE = "gtin_price"
 		const val SCANS_GTIN_ISSUE_NUMBER = "gtin_issue_number"
+		const val SCANS_PINNED = "pinned"
+		const val SCANS_CONTENT_TYPE = "content_type"
 
-		private fun createScans(db: SQLiteDatabase) {
-			db.execSQL("DROP TABLE IF EXISTS $SCANS".trimMargin())
-			db.execSQL(
+		private fun SQLiteDatabase.createScans() {
+			execSQL("DROP TABLE IF EXISTS $SCANS".trimMargin())
+			execSQL(
 				"""CREATE TABLE $SCANS (
 					$SCANS_ID INTEGER PRIMARY KEY AUTOINCREMENT,
 					$SCANS_DATETIME DATETIME NOT NULL,
 					$SCANS_NAME TEXT,
-					$SCANS_CONTENT TEXT NOT NULL,
+					$SCANS_TEXT TEXT NOT NULL,
 					$SCANS_RAW BLOB,
 					$SCANS_FORMAT TEXT NOT NULL,
 					$SCANS_ERROR_CORRECTION_LEVEL TEXT,
-					$SCANS_VERSION_NUMBER INTEGER,
+					$SCANS_VERSION TEXT,
+					$SCANS_DATA_MASK INTEGER,
+					$SCANS_SYMBOL_WIDTH INTEGER,
+					$SCANS_SYMBOL_HEIGHT INTEGER,
+					$SCANS_SYMBOL_DATA BLOB,
 					$SCANS_SEQUENCE_SIZE INTEGER,
 					$SCANS_SEQUENCE_INDEX INTEGER,
 					$SCANS_SEQUENCE_ID TEXT,
 					$SCANS_GTIN_COUNTRY TEXT,
 					$SCANS_GTIN_ADD_ON TEXT,
 					$SCANS_GTIN_PRICE TEXT,
-					$SCANS_GTIN_ISSUE_NUMBER TEXT
+					$SCANS_GTIN_ISSUE_NUMBER TEXT,
+					$SCANS_PINNED INTEGER NOT NULL DEFAULT 0,
+					$SCANS_CONTENT_TYPE TEXT NOT NULL DEFAULT '${ParsedContentType.UNKNOWN.name}'
 				)""".trimMargin()
 			)
 		}
 
-		private fun addRawColumn(db: SQLiteDatabase) {
-			db.execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_RAW BLOB".trimMargin())
+		private fun SQLiteDatabase.addRawColumn() {
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_RAW BLOB".trimMargin())
 		}
 
-		private fun addMetaDataColumns(db: SQLiteDatabase) {
-			db.apply {
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ERROR_CORRECTION_LEVEL TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ISSUE_NUMBER INT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ORIENTATION INT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_OTHER_META_DATA TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_PDF417_EXTRA_METADATA TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_POSSIBLE_COUNTRY TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SUGGESTED_PRICE TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_UPC_EAN_EXTENSION TEXT".trimMargin())
+		private fun SQLiteDatabase.addMetaDataColumns() {
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ERROR_CORRECTION_LEVEL TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ISSUE_NUMBER INT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_ORIENTATION INT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_OTHER_META_DATA TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_PDF417_EXTRA_METADATA TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_POSSIBLE_COUNTRY TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SUGGESTED_PRICE TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_UPC_EAN_EXTENSION TEXT".trimMargin())
+		}
+
+		private fun SQLiteDatabase.addNameColumn() {
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_NAME TEXT")
+		}
+
+		private fun SQLiteDatabase.migrateToZxingCpp() {
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_VERSION_NUMBER INTEGER".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_SIZE INTEGER".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_INDEX INTEGER".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_ID TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_COUNTRY TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_ADD_ON TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_PRICE TEXT".trimMargin())
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_ISSUE_NUMBER TEXT".trimMargin())
+			execSQL("UPDATE $SCANS SET $SCANS_SEQUENCE_SIZE = -1")
+			execSQL("UPDATE $SCANS SET $SCANS_SEQUENCE_INDEX = -1")
+			execSQL("UPDATE $SCANS SET $SCANS_GTIN_COUNTRY = $SCANS_POSSIBLE_COUNTRY")
+			execSQL("UPDATE $SCANS SET $SCANS_GTIN_ADD_ON = $SCANS_UPC_EAN_EXTENSION")
+			execSQL("UPDATE $SCANS SET $SCANS_GTIN_PRICE = $SCANS_SUGGESTED_PRICE")
+			execSQL("UPDATE $SCANS SET $SCANS_GTIN_ISSUE_NUMBER = $SCANS_ISSUE_NUMBER")
+		}
+
+		private fun SQLiteDatabase.migrateToNativeFormatNames() {
+			for ((oldName, newName) in oldToNewFormatNames) {
+				execSQL(
+					"UPDATE $SCANS SET $SCANS_FORMAT = ? WHERE $SCANS_FORMAT = ?",
+					arrayOf(newName, oldName)
+				)
 			}
 		}
 
-		private fun addNameColumn(db: SQLiteDatabase) {
-			db.execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_NAME TEXT".trimMargin())
+		private fun SQLiteDatabase.migrateToVersionString() {
+			execSQL("ALTER TABLE $SCANS ADD $SCANS_VERSION TEXT")
+			execSQL("UPDATE $SCANS SET $SCANS_VERSION = $SCANS_VERSION_NUMBER")
 		}
 
-		private fun migrateToZxingCpp(db: SQLiteDatabase) {
-			db.apply {
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_VERSION_NUMBER INTEGER".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_SIZE INTEGER".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_INDEX INTEGER".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_SEQUENCE_ID TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_COUNTRY TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_ADD_ON TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_PRICE TEXT".trimMargin())
-				execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_GTIN_ISSUE_NUMBER TEXT".trimMargin())
-				execSQL("UPDATE $SCANS SET $SCANS_SEQUENCE_SIZE = -1")
-				execSQL("UPDATE $SCANS SET $SCANS_SEQUENCE_INDEX = -1")
-				execSQL("UPDATE $SCANS SET $SCANS_GTIN_COUNTRY = $SCANS_POSSIBLE_COUNTRY")
-				execSQL("UPDATE $SCANS SET $SCANS_GTIN_ADD_ON = $SCANS_UPC_EAN_EXTENSION")
-				execSQL("UPDATE $SCANS SET $SCANS_GTIN_PRICE = $SCANS_SUGGESTED_PRICE")
-				execSQL("UPDATE $SCANS SET $SCANS_GTIN_ISSUE_NUMBER = $SCANS_ISSUE_NUMBER")
-			}
+		private fun SQLiteDatabase.addDataMaskColumn() {
+			execSQL("ALTER TABLE $SCANS ADD $SCANS_DATA_MASK INTEGER")
+			execSQL("UPDATE $SCANS SET $SCANS_DATA_MASK = -1")
+		}
+
+		private fun SQLiteDatabase.addSymbolColumns() {
+			execSQL("ALTER TABLE $SCANS ADD $SCANS_SYMBOL_WIDTH INTEGER")
+			execSQL("ALTER TABLE $SCANS ADD $SCANS_SYMBOL_HEIGHT INTEGER")
+			execSQL("ALTER TABLE $SCANS ADD $SCANS_SYMBOL_DATA BLOB")
+		}
+
+		private fun SQLiteDatabase.addPinnedColumn() {
+			execSQL(
+				"ALTER TABLE $SCANS ADD COLUMN $SCANS_PINNED INTEGER NOT NULL DEFAULT 0"
+			)
+		}
+
+		private fun SQLiteDatabase.addContentTypeColumn() {
+			execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_CONTENT_TYPE TEXT")
 		}
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/database/JsonExport.kt

@@ -2,7 +2,6 @@ package de.markusfisch.android.binaryeye.database
 
 import android.content.Context
 import android.database.Cursor
-import de.markusfisch.android.binaryeye.content.toHexString
 import de.markusfisch.android.binaryeye.io.writeExternalFile
 import org.json.JSONArray
 import org.json.JSONException
@@ -22,11 +21,13 @@ fun Cursor.exportJson(): String? {
 		return null
 	}
 	val columns = arrayOf(
+		Database.SCANS_PINNED,
 		Database.SCANS_DATETIME,
 		Database.SCANS_FORMAT,
-		Database.SCANS_CONTENT,
+		Database.SCANS_NAME,
+		Database.SCANS_TEXT,
 		Database.SCANS_ERROR_CORRECTION_LEVEL,
-		Database.SCANS_VERSION_NUMBER,
+		Database.SCANS_VERSION,
 		Database.SCANS_SEQUENCE_SIZE,
 		Database.SCANS_SEQUENCE_INDEX,
 		Database.SCANS_SEQUENCE_ID,
@@ -38,7 +39,7 @@ fun Cursor.exportJson(): String? {
 	val indices = columns.map {
 		Pair(getColumnIndex(it), it)
 	}
-	val contentIndex = getColumnIndex(Database.SCANS_CONTENT)
+	val contentIndex = getColumnIndex(Database.SCANS_TEXT)
 	val rawIndex = getColumnIndex(Database.SCANS_RAW)
 	val root = JSONArray()
 	do {
@@ -69,7 +70,7 @@ private fun Cursor.toJsonObject(
 			obj.put(it.second, value ?: "")
 		}
 		obj
-	} catch (e: JSONException) {
+	} catch (_: JSONException) {
 		obj
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/database/Scan.kt

@@ -1,21 +1,24 @@
 package de.markusfisch.android.binaryeye.database
 
-import android.graphics.Bitmap
-import android.os.Build
-import android.os.Parcel
-import android.os.Parcelable
+import android.os.Bundle
 import android.text.format.DateFormat
-import de.markusfisch.android.zxingcpp.ZxingCpp
+import de.markusfisch.android.binaryeye.content.ParsedContentType
+import de.markusfisch.android.binaryeye.content.parsedContentTypeFromName
+import de.markusfisch.android.binaryeye.zxingcpp.migrateBarcodeFormatName
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
+import de.markusfisch.android.zxingcpp.ZxingCpp.BitMatrix
 import de.markusfisch.android.zxingcpp.ZxingCpp.ContentType
-import de.markusfisch.android.zxingcpp.ZxingCpp.Format
 import de.markusfisch.android.zxingcpp.ZxingCpp.Result
+import java.util.Locale
 
 data class Scan(
-	val content: String,
+	val text: String,
 	val raw: ByteArray?,
-	val format: String,
+	val format: BarcodeFormat,
 	val errorCorrectionLevel: String? = null,
-	val versionNumber: Int = 0,
+	val version: String? = null,
+	val dataMask: Int = -1,
+	val symbol: BitMatrix? = null,
 	val sequenceSize: Int = -1,
 	val sequenceIndex: Int = -1,
 	val sequenceId: String = "",
@@ -24,8 +27,11 @@ data class Scan(
 	val price: String? = null,
 	val issueNumber: String? = null,
 	val dateTime: String = getDateTime(),
-	var id: Long = 0L
-) : Parcelable {
+	var id: Long = 0L,
+	val label: String? = null,
+	val pinned: Boolean = false,
+	val contentType: ParsedContentType = ParsedContentType.UNKNOWN
+) {
 	// Needs to be overwritten manually, as ByteArray is an array and
 	// this isn't handled well by Kotlin.
 	override fun equals(other: Any?): Boolean {
@@ -40,19 +46,24 @@ data class Scan(
 
 		return id == other.id &&
 				dateTime == other.dateTime &&
-				content == other.content &&
+				text == other.text &&
 				((raw == null && other.raw == null) ||
-						(raw != null && other.raw != null && raw.contentEquals(other.raw))) &&
+						(raw != null && other.raw != null &&
+								raw.contentEquals(other.raw))) &&
 				format == other.format &&
 				errorCorrectionLevel == other.errorCorrectionLevel &&
-				versionNumber == other.versionNumber &&
+				version == other.version &&
+				dataMask == other.dataMask &&
 				sequenceSize == other.sequenceSize &&
 				sequenceIndex == other.sequenceIndex &&
 				sequenceId == other.sequenceId &&
 				country == other.country &&
 				addOn == other.addOn &&
 				price == other.price &&
-				issueNumber == other.issueNumber
+				issueNumber == other.issueNumber &&
+				label == other.label &&
+				pinned == other.pinned &&
+				contentType == other.contentType
 	}
 
 	// Needs to be overwritten manually, as ByteArray is an array and
@@ -60,11 +71,12 @@ data class Scan(
 	override fun hashCode(): Int {
 		var result = id.hashCode()
 		result = 31 * result + dateTime.hashCode()
-		result = 31 * result + content.hashCode()
+		result = 31 * result + text.hashCode()
 		result = 31 * result + (raw?.contentHashCode() ?: 0)
 		result = 31 * result + format.hashCode()
 		result = 31 * result + (errorCorrectionLevel?.hashCode() ?: 0)
-		result = 31 * result + versionNumber
+		result = 31 * result + version.hashCode()
+		result = 31 * result + dataMask
 		result = 31 * result + sequenceSize
 		result = 31 * result + sequenceIndex
 		result = 31 * result + sequenceId.hashCode()
@@ -72,77 +84,29 @@ data class Scan(
 		result = 31 * result + (addOn?.hashCode() ?: 0)
 		result = 31 * result + (price?.hashCode() ?: 0)
 		result = 31 * result + (issueNumber?.hashCode() ?: 0)
+		result = 31 * result + (label?.hashCode() ?: 0)
+		result = 31 * result + pinned.hashCode()
+		result = 31 * result + contentType.hashCode()
 		return result
 	}
 
-	private constructor(parcel: Parcel) : this(
-		content = parcel.readString() ?: "",
-		raw = parcel.readSizedByteArray(),
-		format = parcel.readString() ?: "",
-		errorCorrectionLevel = parcel.readString(),
-		versionNumber = parcel.readInt(),
-		sequenceSize = parcel.readInt(),
-		sequenceIndex = parcel.readInt(),
-		sequenceId = parcel.readString() ?: "",
-		country = parcel.readString(),
-		addOn = parcel.readString(),
-		price = parcel.readString(),
-		issueNumber = parcel.readString(),
-		dateTime = parcel.readString() ?: "",
-		id = parcel.readLong()
-	)
-
-	override fun writeToParcel(parcel: Parcel, flags: Int) {
-		parcel.apply {
-			writeString(content)
-			writeSizedByteArray(raw)
-			writeString(format)
-			writeString(errorCorrectionLevel)
-			writeInt(versionNumber)
-			writeInt(sequenceSize)
-			writeInt(sequenceIndex)
-			writeString(sequenceId)
-			writeString(country)
-			writeString(addOn)
-			writeString(price)
-			writeString(issueNumber)
-			writeString(dateTime)
-			writeLong(id)
-		}
-	}
-
-	override fun describeContents() = 0
-
-	companion object {
-		@JvmField
-		val CREATOR = object : Parcelable.Creator<Scan> {
-			override fun createFromParcel(parcel: Parcel) = Scan(parcel)
-			override fun newArray(size: Int) = arrayOfNulls<Scan>(size)
-		}
-	}
 }
 
 fun Result.toScan(): Scan {
-	val content: String
-	val raw: ByteArray?
-	when (contentType) {
-		ContentType.GS1,
-		ContentType.ISO15434,
-		ContentType.TEXT -> {
-			content = text
-			raw = null
-		}
-		else -> {
-			content = ""
-			raw = rawBytes
-		}
-	}
 	return Scan(
-		content,
-		raw,
+		when (contentType) {
+			ContentType.GS1,
+			ContentType.ISO15434,
+			ContentType.TEXT -> text
+
+			else -> "" // Show as binary.
+		},
+		rawBytes,
 		format,
 		ecLevel,
-		versionNumber,
+		version,
+		dataMask,
+		symbol,
 		sequenceSize,
 		sequenceIndex,
 		sequenceId,
@@ -153,69 +117,101 @@ fun Result.toScan(): Scan {
 	)
 }
 
-data class Recreation(
-	val format: Format,
-	val ecLevel: Int,
-	val size: Int,
-	val margin: Int
-) {
-	fun encode(content: String): Bitmap? = try {
-		ZxingCpp.encodeAsBitmap(
-			content, format, size, size, margin, ecLevel
-		)
-	} catch (_: RuntimeException) {
-		null
-	}
+fun Scan.toBundle() = Bundle().apply {
+	putString(SCAN_TEXT, text)
+	putByteArray(SCAN_RAW, raw)
+	putString(SCAN_FORMAT, format.name)
+	putString(SCAN_ERROR_CORRECTION_LEVEL, errorCorrectionLevel)
+	putString(SCAN_VERSION, version)
+	putInt(SCAN_DATA_MASK, dataMask)
+	putInt(SCAN_SYMBOL_WIDTH, symbol?.width ?: 0)
+	putInt(SCAN_SYMBOL_HEIGHT, symbol?.height ?: 0)
+	putByteArray(SCAN_SYMBOL_DATA, symbol?.data)
+	putInt(SCAN_SEQUENCE_SIZE, sequenceSize)
+	putInt(SCAN_SEQUENCE_INDEX, sequenceIndex)
+	putString(SCAN_SEQUENCE_ID, sequenceId)
+	putString(SCAN_COUNTRY, country)
+	putString(SCAN_ADD_ON, addOn)
+	putString(SCAN_PRICE, price)
+	putString(SCAN_ISSUE_NUMBER, issueNumber)
+	putString(SCAN_DATE_TIME, dateTime)
+	putLong(SCAN_ID, id)
+	putString(SCAN_LABEL, label)
+	putBoolean(SCAN_PINNED, pinned)
+	putString(SCAN_CONTENT_TYPE, contentType.name)
 }
 
-fun Scan.toRecreation(
-	size: Int = 128,
-	margin: Int = -1
-) = if (content.isEmpty()) {
-	null
-} else {
-	Recreation(
-		Format.valueOf(format),
-		when (errorCorrectionLevel) {
-			"L" -> 0
-			"M" -> 1
-			"Q" -> 2
-			"H" -> 3
-			else -> -1
-		},
-		size,
-		margin
-	)
+fun Bundle.toScan(): Scan? {
+	val formatName = getString(SCAN_FORMAT)?.migrateBarcodeFormatName()
+	if (formatName.isNullOrEmpty()) {
+		return null
+	}
+	return try {
+		Scan(
+			text = getString(SCAN_TEXT) ?: "",
+			raw = getByteArray(SCAN_RAW),
+			format = BarcodeFormat.valueOf(formatName),
+			errorCorrectionLevel = getString(SCAN_ERROR_CORRECTION_LEVEL),
+			version = getString(SCAN_VERSION),
+			dataMask = getInt(SCAN_DATA_MASK, -1),
+			symbol = getBitMatrix(),
+			sequenceSize = getInt(SCAN_SEQUENCE_SIZE, -1),
+			sequenceIndex = getInt(SCAN_SEQUENCE_INDEX, -1),
+			sequenceId = getString(SCAN_SEQUENCE_ID) ?: "",
+			country = getString(SCAN_COUNTRY),
+			addOn = getString(SCAN_ADD_ON),
+			price = getString(SCAN_PRICE),
+			issueNumber = getString(SCAN_ISSUE_NUMBER),
+			dateTime = getString(SCAN_DATE_TIME) ?: getDateTime(),
+			id = getLong(SCAN_ID, 0L),
+			label = getString(SCAN_LABEL),
+			pinned = getBoolean(SCAN_PINNED, false),
+			contentType = parsedContentTypeFromName(getString(SCAN_CONTENT_TYPE))
+		)
+	} catch (_: IllegalArgumentException) {
+		null
+	}
 }
 
 private fun getDateTime(
 	time: Long = System.currentTimeMillis()
 ) = DateFormat.format(
-	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
-		// Up to API level 17, 'k' was interpreted as 'H', which wasn't
-		// implemented until API level 18.
-		"yyyy-MM-dd kk:mm:ss"
-	} else {
-		"yyyy-MM-dd HH:mm:ss"
-	},
+	"yyyy-MM-dd HH:mm:ss",
 	time
-).toString()
+).toString() + String.format(
+	Locale.getDefault(),
+	":%03d",
+	time % 1000
+)
 
-private fun Parcel.writeSizedByteArray(array: ByteArray?) {
-	val size = array?.size ?: 0
-	writeInt(size)
-	if (size > 0) {
-		writeByteArray(array)
+private fun Bundle.getBitMatrix(): BitMatrix? {
+	val width = getInt(SCAN_SYMBOL_WIDTH, 0)
+	val height = getInt(SCAN_SYMBOL_HEIGHT, 0)
+	val data = getByteArray(SCAN_SYMBOL_DATA)
+	if (width < 1 || height < 1 || data == null) {
+		return null
 	}
+	return BitMatrix(width, height, data)
 }
 
-private fun Parcel.readSizedByteArray(): ByteArray? {
-	val size = readInt()
-	return if (size > 0) {
-		val array = ByteArray(size)
-		readByteArray(array)
-		array
-	} else {
-		null
-	}
-}
+private const val SCAN_TEXT = "text"
+private const val SCAN_RAW = "raw"
+private const val SCAN_FORMAT = "format"
+private const val SCAN_ERROR_CORRECTION_LEVEL = "error_correction_level"
+private const val SCAN_VERSION = "version"
+private const val SCAN_DATA_MASK = "data_mask"
+private const val SCAN_SYMBOL_WIDTH = "symbol_width"
+private const val SCAN_SYMBOL_HEIGHT = "symbol_height"
+private const val SCAN_SYMBOL_DATA = "symbol_data"
+private const val SCAN_SEQUENCE_SIZE = "sequence_size"
+private const val SCAN_SEQUENCE_INDEX = "sequence_index"
+private const val SCAN_SEQUENCE_ID = "sequence_id"
+private const val SCAN_COUNTRY = "country"
+private const val SCAN_ADD_ON = "add_on"
+private const val SCAN_PRICE = "price"
+private const val SCAN_ISSUE_NUMBER = "issue_number"
+private const val SCAN_DATE_TIME = "date_time"
+private const val SCAN_ID = "id"
+private const val SCAN_LABEL = "label"
+private const val SCAN_PINNED = "pinned"
+private const val SCAN_CONTENT_TYPE = "content_type"

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/BarcodeFragment.kt

@@ -1,352 +0,0 @@
-package de.markusfisch.android.binaryeye.fragment
-
-import android.annotation.SuppressLint
-import android.app.AlertDialog
-import android.content.Context
-import android.graphics.Bitmap
-import android.os.Build
-import android.os.Bundle
-import android.support.v4.app.Fragment
-import android.view.*
-import android.widget.EditText
-import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.app.hasWritePermission
-import de.markusfisch.android.binaryeye.content.copyToClipboard
-import de.markusfisch.android.binaryeye.content.shareFile
-import de.markusfisch.android.binaryeye.content.shareText
-import de.markusfisch.android.binaryeye.graphics.COLOR_BLACK
-import de.markusfisch.android.binaryeye.graphics.COLOR_WHITE
-import de.markusfisch.android.binaryeye.io.addSuffixIfNotGiven
-import de.markusfisch.android.binaryeye.io.toSaveResult
-import de.markusfisch.android.binaryeye.io.writeExternalFile
-import de.markusfisch.android.binaryeye.view.doOnApplyWindowInsets
-import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
-import de.markusfisch.android.binaryeye.widget.ConfinedScalingImageView
-import de.markusfisch.android.binaryeye.widget.toast
-import de.markusfisch.android.zxingcpp.ZxingCpp
-import de.markusfisch.android.zxingcpp.ZxingCpp.Format
-import kotlin.math.min
-import kotlinx.coroutines.*
-import java.io.File
-import java.io.FileOutputStream
-import java.io.IOException
-import java.io.OutputStream
-import java.util.*
-
-class BarcodeFragment : Fragment() {
-	private enum class FileType {
-		PNG, SVG, TXT
-	}
-
-	private val parentJob = Job()
-	private val scope = CoroutineScope(Dispatchers.IO + parentJob)
-
-	private lateinit var barcode: Barcode
-
-	override fun onCreate(state: Bundle?) {
-		super.onCreate(state)
-		setHasOptionsMenu(true)
-	}
-
-	override fun onCreateView(
-		inflater: LayoutInflater,
-		container: ViewGroup?,
-		state: Bundle?
-	): View? {
-		val ac = activity ?: return null
-		ac.setTitle(R.string.view_barcode)
-
-		val view = inflater.inflate(
-			R.layout.fragment_barcode,
-			container,
-			false
-		)
-
-		val bitmap: Bitmap
-		try {
-			barcode = arguments?.toBarcode() ?: throw IllegalArgumentException(
-				"Illegal arguments"
-			)
-			// Catch exceptions from encoding.
-			bitmap = barcode.bitmap()
-		} catch (e: Exception) {
-			var message = e.message
-			if (message == null || message.isEmpty()) {
-				message = getString(R.string.error_encoding_barcode)
-			}
-			message?.let {
-				ac.toast(message)
-			}
-			fragmentManager.popBackStack()
-			return null
-		}
-
-		val imageView = view.findViewById<ConfinedScalingImageView>(
-			R.id.barcode
-		)
-		imageView.setImageBitmap(bitmap)
-		imageView.post {
-			// Make sure to invoke this after ScalingImageView.onLayout().
-			imageView.minWidth = min(
-				imageView.minWidth / 2f,
-				barcode.size.toFloat()
-			)
-		}
-
-		view.findViewById<View>(R.id.share).setOnClickListener {
-			it.context?.apply {
-				pickFileType(R.string.share_as) { fileType ->
-					shareAs(fileType)
-				}
-			}
-		}
-
-		(view.findViewById(R.id.inset_layout) as View).setPaddingFromWindowInsets()
-		imageView.doOnApplyWindowInsets { v, insets ->
-			(v as ConfinedScalingImageView).insets.set(insets)
-		}
-
-		return view
-	}
-
-	private fun Bundle.toBarcode() = Barcode(
-		getString(CONTENT) ?: throw IllegalArgumentException(
-			"content cannot be null"
-		),
-		Format.valueOf(
-			getString(FORMAT) ?: throw IllegalArgumentException(
-				"format cannot be null"
-			)
-		),
-		getInt(SIZE),
-		getInt(EC_LEVEL),
-		Colors.values()[getInt(COLORS)]
-	)
-
-	override fun onDestroyView() {
-		super.onDestroyView()
-		parentJob.cancel()
-	}
-
-	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-		inflater.inflate(R.menu.fragment_barcode, menu)
-	}
-
-	override fun onOptionsItemSelected(item: MenuItem): Boolean {
-		return when (item.itemId) {
-			R.id.copy_to_clipboard -> {
-				context.apply {
-					copyToClipboard(barcode.text())
-					toast(R.string.copied_to_clipboard)
-				}
-				true
-			}
-			R.id.export_to_file -> {
-				context.pickFileType(R.string.export_as) {
-					askForFileNameAndSave(it)
-				}
-				true
-			}
-			else -> super.onOptionsItemSelected(item)
-		}
-	}
-
-	private fun Context.pickFileType(
-		title: Int,
-		action: (FileType) -> Unit
-	) {
-		val fileTypes = FileType.values()
-		AlertDialog.Builder(this)
-			.setTitle(title)
-			.setItems(fileTypes.map { it.name }.toTypedArray()) { _, which ->
-				action(fileTypes[which])
-			}
-			.show()
-	}
-
-	// Dialogs do not have a parent view.
-	@SuppressLint("InflateParams")
-	private fun askForFileNameAndSave(fileType: FileType) {
-		val ac = activity ?: return
-		// Write permission is only required before Android Q.
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
-			!ac.hasWritePermission { askForFileNameAndSave(fileType) }
-		) {
-			return
-		}
-		val view = ac.layoutInflater.inflate(R.layout.dialog_save_file, null)
-		val editText = view.findViewById<EditText>(R.id.file_name)
-		editText.setText(
-			encodeFileName("${barcode.format}_${barcode.content}")
-		)
-		AlertDialog.Builder(ac)
-			.setView(view)
-			.setPositiveButton(android.R.string.ok) { _, _ ->
-				val fileName = editText.text.toString()
-				when (fileType) {
-					FileType.PNG -> saveAs(
-						addSuffixIfNotGiven(fileName, ".png"),
-						MIME_PNG
-					) {
-						barcode.bitmap().saveAsPng(it)
-					}
-					FileType.SVG -> saveAs(
-						addSuffixIfNotGiven(fileName, ".svg"),
-						MIME_SVG
-					) { outputStream ->
-						outputStream.write(barcode.svg().toByteArray())
-					}
-					FileType.TXT -> saveAs(
-						addSuffixIfNotGiven(fileName, ".txt"),
-						MIME_TXT
-					) { outputStream ->
-						outputStream.write(barcode.text().toByteArray())
-					}
-				}
-			}
-			.setNegativeButton(android.R.string.cancel) { _, _ ->
-			}
-			.show()
-	}
-
-	private fun saveAs(
-		fileName: String,
-		mimeType: String,
-		write: (outputStream: OutputStream) -> Unit
-	) {
-		val ac = activity ?: return
-		scope.launch(Dispatchers.IO) {
-			val message = ac.writeExternalFile(fileName, mimeType, write).toSaveResult()
-			withContext(Dispatchers.Main) {
-				ac.toast(message)
-			}
-		}
-	}
-
-	private fun Context.shareAs(fileType: FileType) {
-		when (fileType) {
-			FileType.PNG -> share(barcode.bitmap())
-			FileType.SVG -> shareText(barcode.svg(), MIME_SVG)
-			FileType.TXT -> shareText(barcode.text())
-		}
-	}
-
-	private fun Context.share(bitmap: Bitmap) {
-		scope.launch(Dispatchers.IO) {
-			val file = File(
-				externalCacheDir,
-				"shared_barcode.png"
-			)
-			val success = try {
-				FileOutputStream(file).use {
-					bitmap.saveAsPng(it)
-				}
-				true
-			} catch (e: IOException) {
-				false
-			}
-			withContext(Dispatchers.Main) {
-				if (success) {
-					shareFile(file, "image/png")
-				} else {
-					toast(R.string.error_saving_file)
-				}
-			}
-		}
-	}
-
-	companion object {
-		private const val CONTENT = "content"
-		private const val FORMAT = "format"
-		private const val SIZE = "size"
-		private const val EC_LEVEL = "ec_level"
-		private const val COLORS = "colors"
-		private const val MIME_PNG = "image/png"
-		private const val MIME_SVG = "image/svg+xmg"
-		private const val MIME_TXT = "text/plain"
-
-		fun newInstance(
-			content: String,
-			format: Format,
-			size: Int,
-			ecLevel: Int = -1,
-			colors: Int = 0
-		): Fragment {
-			val args = Bundle()
-			args.putString(CONTENT, content)
-			args.putString(FORMAT, format.name)
-			args.putInt(SIZE, size)
-			args.putInt(EC_LEVEL, ecLevel)
-			args.putInt(COLORS, colors)
-			val fragment = BarcodeFragment()
-			fragment.arguments = args
-			return fragment
-		}
-	}
-}
-
-private data class Barcode(
-	val content: String,
-	val format: Format,
-	val size: Int,
-	val ecLevel: Int,
-	val colors: Colors
-) {
-	private var _bitmap: Bitmap? = null
-	fun bitmap(): Bitmap {
-		val b = _bitmap ?: ZxingCpp.encodeAsBitmap(
-			content, format, size, size, -1, ecLevel,
-			setColor = colors.foregroundColor(),
-			unsetColor = colors.backgroundColor()
-		)
-		_bitmap = b
-		return b
-	}
-
-	private var _svg: String? = null
-	fun svg(): String {
-		val s = _svg ?: ZxingCpp.encodeAsSvg(
-			content, format, -1, ecLevel
-		)
-		_svg = s
-		return s
-	}
-
-	private var _text: String? = null
-	fun text(): String {
-		val t = _text ?: ZxingCpp.encodeAsText(
-			content, format, -1, ecLevel,
-			inverted = colors == Colors.BLACK_ON_WHITE
-		)
-		_text = t
-		return t
-	}
-}
-
-private enum class Colors {
-	BLACK_ON_WHITE,
-	WHITE_ON_BLACK,
-	BLACK_ON_TRANSPARENT,
-	WHITE_ON_TRANSPARENT;
-
-	fun foregroundColor(): Int = when (this) {
-		BLACK_ON_WHITE,
-		BLACK_ON_TRANSPARENT -> COLOR_BLACK
-		WHITE_ON_BLACK,
-		WHITE_ON_TRANSPARENT -> COLOR_WHITE
-	}
-
-	fun backgroundColor(): Int = when (this) {
-		BLACK_ON_WHITE -> COLOR_WHITE
-		WHITE_ON_BLACK -> COLOR_BLACK
-		BLACK_ON_TRANSPARENT,
-		WHITE_ON_TRANSPARENT -> 0
-	}
-}
-
-private fun Bitmap.saveAsPng(outputStream: OutputStream, quality: Int = 90) =
-	compress(Bitmap.CompressFormat.PNG, quality, outputStream)
-
-private val fileNameCharacters = "[^A-Za-z0-9]".toRegex()
-private fun encodeFileName(name: String): String =
-	fileNameCharacters.replace(name, "_").take(16).trim('_').lowercase(Locale.getDefault())

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/DecodeFragment.kt

@@ -1,584 +0,0 @@
-package de.markusfisch.android.binaryeye.fragment
-
-import android.os.Build
-import android.os.Bundle
-import android.support.design.widget.FloatingActionButton
-import android.support.v4.app.Fragment
-import android.text.Editable
-import android.text.Html
-import android.text.TextWatcher
-import android.text.method.LinkMovementMethod
-import android.view.*
-import android.widget.*
-import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.actions.ActionRegistry
-import de.markusfisch.android.binaryeye.actions.IAction
-import de.markusfisch.android.binaryeye.actions.wifi.WifiAction
-import de.markusfisch.android.binaryeye.actions.wifi.WifiConnector
-import de.markusfisch.android.binaryeye.activity.MainActivity
-import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
-import de.markusfisch.android.binaryeye.app.*
-import de.markusfisch.android.binaryeye.content.copyToClipboard
-import de.markusfisch.android.binaryeye.content.shareText
-import de.markusfisch.android.binaryeye.content.toHexString
-import de.markusfisch.android.binaryeye.database.Recreation
-import de.markusfisch.android.binaryeye.database.Scan
-import de.markusfisch.android.binaryeye.database.toRecreation
-import de.markusfisch.android.binaryeye.io.askForFileName
-import de.markusfisch.android.binaryeye.io.toSaveResult
-import de.markusfisch.android.binaryeye.io.writeExternalFile
-import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
-import de.markusfisch.android.binaryeye.widget.toast
-import kotlinx.coroutines.*
-import kotlin.math.roundToInt
-
-class DecodeFragment : Fragment() {
-	private lateinit var contentView: EditText
-	private lateinit var formatView: TextView
-	private lateinit var dataView: TableLayout
-	private lateinit var metaView: TableLayout
-	private lateinit var hexView: TextView
-	private lateinit var stampView: TextView
-	private lateinit var recreationView: ImageView
-	private lateinit var fab: FloatingActionButton
-	private lateinit var format: String
-
-	private val parentJob = Job()
-	private val scope: CoroutineScope = CoroutineScope(Dispatchers.Main + parentJob)
-	private val dp: Float
-		get() = resources.displayMetrics.density
-	private val content: String
-		get() = contentView.text.toString()
-
-	private var closeAutomatically = false
-	private var action = ActionRegistry.DEFAULT_ACTION
-	private var isBinary = false
-	private var originalBytes: ByteArray = ByteArray(0)
-	private var id = 0L
-	private var recreation: Recreation? = null
-
-	override fun onCreate(state: Bundle?) {
-		super.onCreate(state)
-		setHasOptionsMenu(true)
-	}
-
-	override fun onCreateView(
-		inflater: LayoutInflater,
-		container: ViewGroup?,
-		state: Bundle?
-	): View {
-		activity?.setTitle(R.string.content)
-
-		val view = inflater.inflate(
-			R.layout.fragment_decode,
-			container,
-			false
-		)
-
-		closeAutomatically = prefs.closeAutomatically &&
-				activity?.intent?.hasExtra(MainActivity.DECODED) == true
-
-		val scan = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-			arguments?.getParcelable(SCAN, Scan::class.java)
-		} else {
-			@Suppress("DEPRECATION")
-			arguments?.getParcelable(SCAN) as Scan?
-		} ?: throw IllegalArgumentException("DecodeFragment needs a Scan")
-
-		val originalContent = scan.content
-		isBinary = scan.raw != null
-		originalBytes = scan.raw ?: originalContent.toByteArray()
-		format = scan.format
-		id = scan.id
-
-		contentView = view.findViewById(R.id.content)
-		formatView = view.findViewById(R.id.format)
-		dataView = view.findViewById(R.id.data)
-		metaView = view.findViewById(R.id.meta)
-		hexView = view.findViewById(R.id.hex)
-		stampView = view.findViewById(R.id.stamp)
-		recreationView = view.findViewById(R.id.recreation)
-		fab = view.findViewById(R.id.open)
-
-		initContentAndFab(originalContent)
-
-		if (prefs.showMetaData) {
-			metaView.fillMetaView(scan)
-		} else {
-			metaView.visibility = View.GONE
-		}
-		if (prefs.showRecreation) {
-			recreation = scan.toRecreation(
-				(200f * dp).roundToInt()
-			)
-		}
-
-		updateViewsAndFab(originalContent, originalBytes)
-
-		(view.findViewById(R.id.inset_layout) as View).setPaddingFromWindowInsets()
-		(view.findViewById(R.id.scroll_view) as View).setPaddingFromWindowInsets()
-
-		return view
-	}
-
-	override fun onDestroy() {
-		super.onDestroy()
-		parentJob.cancel()
-	}
-
-	private fun initContentAndFab(originalContent: String) {
-		if (isBinary) {
-			contentView.setText(String(originalBytes).foldNonAlNum())
-			contentView.isEnabled = false
-			fab.setImageResource(R.drawable.ic_action_save)
-			fab.setOnClickListener {
-				askForFileNameAndSave(originalBytes)
-			}
-		} else {
-			contentView.setText(originalContent)
-			contentView.addTextChangedListener(object : TextWatcher {
-				override fun afterTextChanged(s: Editable?) {
-					updateViewsAndFab(s?.toString() ?: "")
-				}
-
-				override fun beforeTextChanged(
-					s: CharSequence?,
-					start: Int,
-					count: Int,
-					after: Int
-				) = Unit
-
-				override fun onTextChanged(
-					s: CharSequence?,
-					start: Int,
-					before: Int,
-					count: Int
-				) = Unit
-			})
-			fab.setOnClickListener {
-				executeAction(content)
-			}
-			if (prefs.openImmediately) {
-				executeAction(content)
-			}
-		}
-	}
-
-	private fun updateViewsAndFab(text: String, bytes: ByteArray? = null) {
-		val b = bytes ?: text.toByteArray()
-		resolveActionAndUpdateFab(b)
-		updateViews(text, b)
-	}
-
-	private fun resolveActionAndUpdateFab(bytes: ByteArray) {
-		val prevAction = action
-		if (!prevAction.canExecuteOn(bytes)) {
-			action = ActionRegistry.getAction(bytes)
-		}
-		if (prevAction !== action) {
-			updateFab(action)
-		}
-	}
-
-	private fun updateFab(action: IAction) {
-		fab.setImageResource(action.iconResId)
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-			fab.setOnLongClickListener { v ->
-				v.context.toast(action.titleResId)
-				true
-			}
-		} else {
-			fab.tooltipText = getString(action.titleResId)
-		}
-	}
-
-	private fun updateViews(text: String, bytes: ByteArray) {
-		formatView.text = resources.getQuantityString(
-			R.plurals.barcode_info,
-			bytes.size,
-			prettifyFormatName(format),
-			bytes.size
-		)
-		hexView.showIf(prefs.showHexDump) { v ->
-			v.text = hexDump(bytes)
-		}
-		recreationView.showIf(prefs.showRecreation) { v ->
-			val r = recreation ?: return@showIf
-			v.setImageBitmap(r.encode(text))
-			v.setOnClickListener {
-				fragmentManager?.addFragment(
-					BarcodeFragment.newInstance(
-						text,
-						r.format,
-						r.size,
-						r.ecLevel
-					)
-				)
-			}
-		}
-		dataView.fillDataView(text)
-		stampView.setTrackingLink(bytes, format)
-	}
-
-	private fun TableLayout.fillDataView(text: String) {
-		val items = LinkedHashMap<Int, String?>()
-		if (action is WifiAction) {
-			WifiConnector.parseMap(text)?.let { wifiData ->
-				items.putAll(
-					linkedMapOf(
-						R.string.entry_type to getString(R.string.wifi_network),
-						R.string.wifi_ssid to wifiData["S"],
-						R.string.wifi_password to wifiData["P"],
-						R.string.wifi_type to wifiData["T"],
-						R.string.wifi_hidden to wifiData["H"],
-						R.string.wifi_eap to wifiData["E"],
-						R.string.wifi_identity to wifiData["I"],
-						R.string.wifi_anonymous_identity to wifiData["A"],
-						R.string.wifi_phase2 to wifiData["PH2"]
-					)
-				)
-			}
-		}
-		fill(items)
-	}
-
-	private fun TableLayout.fillMetaView(scan: Scan) {
-		val items = linkedMapOf(
-			R.string.error_correction_level to scan.errorCorrectionLevel,
-			R.string.sequence_size to scan.sequenceSize.positiveToString(),
-			R.string.sequence_index to scan.sequenceIndex.positiveToString(),
-			R.string.sequence_id to scan.sequenceId,
-			R.string.gtin_country to scan.country,
-			R.string.gtin_add_on to scan.addOn,
-			R.string.gtin_price to scan.price,
-			R.string.gtin_issue_number to scan.issueNumber,
-		)
-		if (scan.versionNumber > 0) {
-			val versionString = if (scan.format == "QR_CODE") {
-				getString(
-					R.string.qr_version_and_modules,
-					scan.versionNumber,
-					scan.versionNumber * 4 + 17
-				)
-			} else {
-				scan.versionNumber.toString()
-			}
-			items.putAll(
-				linkedMapOf(
-					R.string.barcode_version_number to versionString
-				)
-			)
-		}
-		fill(items)
-	}
-
-	private fun TableLayout.fill(
-		items: LinkedHashMap<Int, String?>
-	) {
-		removeAllViews()
-		visibility = if (items.isEmpty()) View.GONE else {
-			val ctx = context
-			val spaceBetween = (16f * dp).roundToInt()
-			items.forEach { item ->
-				val text = item.value
-				if (!text.isNullOrBlank()) {
-					val tr = TableRow(ctx)
-					val keyView = TextView(ctx)
-					keyView.setText(item.key)
-					val valueView = TextView(ctx)
-					valueView.setPadding(spaceBetween, 0, 0, 0)
-					valueView.text = text
-					tr.addView(keyView)
-					tr.addView(valueView)
-					addView(tr)
-				}
-			}
-			View.VISIBLE
-		}
-	}
-
-	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-		inflater.inflate(R.menu.fragment_decode, menu)
-		if (isBinary) {
-			menu.findItem(R.id.copy_to_clipboard).isVisible = false
-			menu.findItem(R.id.create).isVisible = false
-		}
-		if (id > 0L) {
-			menu.findItem(R.id.remove).isVisible = true
-		}
-		if (action is WifiAction) {
-			menu.findItem(R.id.copy_password).isVisible = true
-		}
-	}
-
-	override fun onOptionsItemSelected(item: MenuItem): Boolean {
-		return when (item.itemId) {
-			R.id.copy_password -> {
-				copyPasswordToClipboard()
-				maybeBackOrFinish()
-				true
-			}
-			R.id.copy_to_clipboard -> {
-				copyToClipboard(textOrHex())
-				maybeBackOrFinish()
-				true
-			}
-			R.id.share -> {
-				context?.apply {
-					shareText(textOrHex())
-					maybeBackOrFinish()
-				}
-				true
-			}
-			R.id.create -> {
-				fragmentManager?.addFragment(
-					EncodeFragment.newInstance(content, format)
-				)
-				true
-			}
-			R.id.remove -> {
-				db.removeScan(id)
-				backOrFinish()
-				true
-			}
-			else -> super.onOptionsItemSelected(item)
-		}
-	}
-
-	private fun textOrHex() = if (isBinary) {
-		originalBytes.toHexString()
-	} else {
-		content
-	}
-
-	private fun copyPasswordToClipboard() {
-		val ac = action
-		if (ac is WifiAction) {
-			ac.password?.let { password ->
-				activity?.apply {
-					copyToClipboard(password, isSensitive = true)
-					toast(R.string.copied_password_to_clipboard)
-				}
-			}
-		}
-	}
-
-	private fun copyToClipboard(text: String, isSensitive: Boolean = false) {
-		activity?.apply {
-			copyToClipboard(text, isSensitive)
-			toast(R.string.copied_to_clipboard)
-		}
-	}
-
-	private fun maybeBackOrFinish() {
-		if (closeAutomatically) {
-			backOrFinish()
-		}
-	}
-
-	private fun backOrFinish() {
-		val fm = fragmentManager
-		if (fm != null && fm.backStackEntryCount > 0) {
-			fm.popBackStack()
-		} else {
-			activity?.finish()
-		}
-	}
-
-	private fun executeAction(content: String) {
-		val ac = activity ?: return
-		if (content.isNotEmpty()) {
-			if (action is WifiAction &&
-				Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
-				!ac.hasLocationPermission { executeAction(content) }
-			) {
-				return
-			}
-			scope.launch {
-				action.execute(ac, content.toByteArray())
-				maybeBackOrFinish()
-			}
-		}
-	}
-
-	private fun askForFileNameAndSave(raw: ByteArray) {
-		val ac = activity ?: return
-		// Write permission is only required before Android Q.
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
-			!ac.hasWritePermission { askForFileNameAndSave(raw) }
-		) {
-			return
-		}
-		scope.launch(Dispatchers.Main) {
-			val name = ac.askForFileName() ?: return@launch
-			withContext(Dispatchers.IO) {
-				val message = ac.writeExternalFile(
-					name,
-					"application/octet-stream"
-				) {
-					it.write(raw)
-				}.toSaveResult()
-				withContext(Dispatchers.Main) {
-					ac.toast(message)
-				}
-			}
-		}
-	}
-
-	companion object {
-		private const val SCAN = "scan"
-
-		fun newInstance(scan: Scan): Fragment {
-			val args = Bundle()
-			args.putParcelable(SCAN, scan)
-			val fragment = DecodeFragment()
-			fragment.arguments = args
-			return fragment
-		}
-	}
-}
-
-private inline fun <T : View> T.showIf(
-	visible: Boolean,
-	block: (T) -> Unit
-) {
-	visibility = if (visible) {
-		block.invoke(this)
-		View.VISIBLE
-	} else {
-		View.GONE
-	}
-}
-
-private val nonAlNum = "[^a-zA-Z0-9]".toRegex()
-private val multipleDots = "[…]+".toRegex()
-private fun String.foldNonAlNum() = replace(nonAlNum, "…")
-	.replace(multipleDots, "…")
-
-private fun hexDump(bytes: ByteArray, charsPerLine: Int = 33): String {
-	if (charsPerLine < 4 || bytes.isEmpty()) {
-		return ""
-	}
-	val dump = StringBuilder()
-	val hex = StringBuilder()
-	val ascii = StringBuilder()
-	val itemsPerLine = (charsPerLine - 1) / 4
-	val len = bytes.size
-	var i = 0
-	while (true) {
-		val ord = bytes[i]
-		hex.append(String.format("%02X ", ord))
-		ascii.append(if (ord > 31) ord.toInt().toChar() else " ")
-		++i
-		val posInLine = i % itemsPerLine
-		val atEnd = i >= len
-		var atLineEnd = posInLine == 0
-		if (atEnd && !atLineEnd) {
-			for (j in posInLine until itemsPerLine) {
-				hex.append("   ")
-			}
-			atLineEnd = true
-		}
-		if (atLineEnd) {
-			dump.append(hex.toString())
-			dump.append(" ")
-			dump.append(ascii.toString())
-			dump.append("\n")
-			hex.setLength(0)
-			ascii.setLength(0)
-		}
-		if (atEnd) {
-			break
-		}
-	}
-	return dump.toString()
-}
-
-private fun Int.positiveToString() = if (this > -1) this.toString() else ""
-
-private fun TextView.setTrackingLink(bytes: ByteArray, format: String) {
-	val trackingLink = generateDpTrackingLink(bytes, format)
-	if (trackingLink != null) {
-		text = trackingLink.fromHtml()
-		isClickable = true
-		movementMethod = LinkMovementMethod.getInstance()
-	} else {
-		visibility = View.GONE
-	}
-}
-
-private fun generateDpTrackingLink(bytes: ByteArray, format: String): String? {
-	// Check for Deutsche Post Matrixcode stamp.
-	var isStamp = false
-	var rawData = bytes
-	if (format == "DATA_MATRIX" &&
-		bytes.toString(Charsets.ISO_8859_1).startsWith("DEA5")
-	) {
-		if (bytes.size == 47) {
-			isStamp = true
-		} else if (bytes.size > 47) {
-			// Transform back to original data.
-			rawData = bytes.toString(Charsets.UTF_8).toByteArray(
-				Charsets.ISO_8859_1
-			)
-			if (rawData.size == 47) {
-				isStamp = true
-			}
-		}
-	}
-
-	if (!isStamp) {
-		return null
-	}
-
-	val hex = StringBuilder()
-	hex.append(String.format("%02X", rawData[9]))
-	hex.append(String.format("%02X", rawData[10]))
-	hex.append(String.format("%02X", rawData[11]))
-	hex.append(String.format("%02X", rawData[12]))
-	hex.append(String.format("%02X", rawData[13]))
-	hex.append(String.format("%X", (rawData[4].toInt() and 0x0f).toByte()))
-	hex.append(String.format("%02X", rawData[5]))
-	hex.append(String.format("%02X", rawData[6]))
-	hex.append(String.format("%02X", rawData[7]))
-	hex.append(String.format("%02X", rawData[8]))
-	val hexString = hex.toString()
-	val trackingNumber = hexString + String.format(
-		"%X",
-		crc4(hexString.toByteArray(Charsets.ISO_8859_1))
-	)
-	return "<a href=\"https://www.deutschepost.de/de/s/sendungsverfolgung/verfolgen.html?piececode=$trackingNumber\">Deutsche Post: $trackingNumber</a>"
-}
-
-// CRC-4 with polynomial x^4 + x + 1.
-private fun crc4(input: ByteArray): Int {
-	var crc = 0
-	var i = 0
-	while (i < input.size) {
-		val c = input[i].toInt()
-		var j = 0x80
-		while (j != 0) {
-			var bit = crc and 0x8
-			crc = crc shl 1
-			if (c and j != 0) {
-				bit = bit xor 0x8
-			}
-			if (bit != 0) {
-				crc = crc xor 0x3
-			}
-			j = j ushr 1
-		}
-		++i
-	}
-	crc = crc and 0xF
-	return crc
-}
-
-private fun String.fromHtml() = if (
-	Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
-) {
-	Html.fromHtml(this, Html.FROM_HTML_MODE_LEGACY)
-} else {
-	@Suppress("DEPRECATION")
-	Html.fromHtml(this)
-}

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/EncodeFragment.kt

@@ -1,207 +0,0 @@
-package de.markusfisch.android.binaryeye.fragment
-
-import android.content.Context
-import android.os.Bundle
-import android.support.v4.app.Fragment
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.*
-import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
-import de.markusfisch.android.binaryeye.app.addFragment
-import de.markusfisch.android.binaryeye.app.prefs
-import de.markusfisch.android.binaryeye.view.hideSoftKeyboard
-import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
-import de.markusfisch.android.binaryeye.widget.toast
-import de.markusfisch.android.zxingcpp.ZxingCpp.Format
-
-class EncodeFragment : Fragment() {
-	private lateinit var formatView: Spinner
-	private lateinit var ecLabel: TextView
-	private lateinit var ecSpinner: Spinner
-	private lateinit var colorsLabel: TextView
-	private lateinit var colorsSpinner: Spinner
-	private lateinit var sizeView: TextView
-	private lateinit var sizeBarView: SeekBar
-	private lateinit var contentView: EditText
-
-	private val writers = arrayListOf(
-		Format.AZTEC,
-		Format.CODABAR,
-		Format.CODE_39,
-		Format.CODE_128,
-		Format.DATA_MATRIX,
-		Format.EAN_8,
-		Format.EAN_13,
-		Format.ITF,
-		Format.PDF_417,
-		Format.QR_CODE,
-		Format.UPC_A
-	)
-
-	override fun onCreateView(
-		inflater: LayoutInflater,
-		container: ViewGroup?,
-		state: Bundle?
-	): View? {
-		val ac = activity ?: return null
-		ac.setTitle(R.string.compose_barcode)
-
-		val view = inflater.inflate(
-			R.layout.fragment_encode,
-			container,
-			false
-		)
-
-		formatView = view.findViewById(R.id.format)
-		val formatAdapter = ArrayAdapter(
-			ac,
-			android.R.layout.simple_spinner_item,
-			writers.map { prettifyFormatName(it.name) }
-		)
-		formatAdapter.setDropDownViewResource(
-			android.R.layout.simple_spinner_dropdown_item
-		)
-		formatView.adapter = formatAdapter
-		formatView.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
-			override fun onItemSelected(
-				parentView: AdapterView<*>?,
-				selectedItemView: View?,
-				position: Int,
-				id: Long
-			) {
-				val ecVisibility = if (
-					writers[position] == Format.QR_CODE
-				) View.VISIBLE else View.GONE
-				ecLabel.visibility = ecVisibility
-				ecSpinner.visibility = ecVisibility
-				val colorsVisibility = if (
-					writers[position].canBeInverted()
-				) View.VISIBLE else View.GONE
-				colorsLabel.visibility = colorsVisibility
-				colorsSpinner.visibility = colorsVisibility
-			}
-
-			override fun onNothingSelected(parentView: AdapterView<*>?) {}
-		}
-
-		ecLabel = view.findViewById(R.id.error_correction_label)
-		ecSpinner = view.findViewById(R.id.error_correction_level)
-
-		colorsLabel = view.findViewById(R.id.colors_label)
-		colorsSpinner = view.findViewById(R.id.colors)
-
-		sizeView = view.findViewById(R.id.size_display)
-		sizeBarView = view.findViewById(R.id.size_bar)
-		initSizeBar()
-
-		contentView = view.findViewById(R.id.content)
-
-		val args = arguments
-		args?.getString(CONTENT)?.let {
-			contentView.setText(it)
-		}
-
-		val barcodeFormat = args?.getString(FORMAT)
-		if (barcodeFormat != null) {
-			formatView.setSelection(
-				writers.indexOf(barcodeFormat.toFormat())
-			)
-		} else if (state == null) {
-			formatView.post {
-				formatView.setSelection(prefs.indexOfLastSelectedFormat)
-			}
-		}
-
-		view.findViewById<View>(R.id.encode).setOnClickListener {
-			it.context.encode()
-		}
-
-		(view.findViewById(R.id.inset_layout) as View).setPaddingFromWindowInsets()
-		(view.findViewById(R.id.scroll_view) as View).setPaddingFromWindowInsets()
-
-		return view
-	}
-
-	override fun onPause() {
-		super.onPause()
-		prefs.indexOfLastSelectedFormat = formatView.selectedItemPosition
-	}
-
-	private fun Context.encode() {
-		val content = contentView.text.toString()
-		if (content.isEmpty()) {
-			toast(R.string.error_no_content)
-			return
-		}
-		hideSoftKeyboard(contentView)
-		val writer = writers[formatView.selectedItemPosition]
-		fragmentManager?.addFragment(
-			BarcodeFragment.newInstance(
-				content,
-				writer,
-				getSize(sizeBarView.progress),
-				ecSpinner.selectedItemPosition,
-				if (writer.canBeInverted()) {
-					colorsSpinner.selectedItemPosition
-				} else 0
-			)
-		)
-	}
-
-	private fun initSizeBar() {
-		updateSize(sizeBarView.progress)
-		sizeBarView.setOnSeekBarChangeListener(
-			object : SeekBar.OnSeekBarChangeListener {
-				override fun onProgressChanged(
-					seekBar: SeekBar,
-					progressValue: Int,
-					fromUser: Boolean
-				) {
-					updateSize(progressValue)
-				}
-
-				override fun onStartTrackingTouch(seekBar: SeekBar) {}
-
-				override fun onStopTrackingTouch(seekBar: SeekBar) {}
-			})
-	}
-
-	private fun updateSize(power: Int) {
-		val size = getSize(power)
-		sizeView.text = getString(R.string.width_by_height, size, size)
-	}
-
-	private fun getSize(power: Int) = 128 * (power + 1)
-
-	companion object {
-		private const val CONTENT = "content"
-		private const val FORMAT = "format"
-
-		fun newInstance(
-			content: String? = null,
-			format: String? = null
-		): Fragment {
-			val args = Bundle()
-			content?.let { args.putString(CONTENT, content) }
-			format?.let { args.putString(FORMAT, it) }
-			val fragment = EncodeFragment()
-			fragment.arguments = args
-			return fragment
-		}
-	}
-}
-
-private fun Format.canBeInverted() = when (this) {
-	Format.AZTEC,
-	Format.DATA_MATRIX,
-	Format.QR_CODE -> true
-	else -> false
-}
-
-private fun String.toFormat(default: Format = Format.QR_CODE): Format = try {
-	Format.valueOf(this)
-} catch (_: IllegalArgumentException) {
-	default
-}

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/PreferencesFragment.kt

@@ -1,66 +1,227 @@
 package de.markusfisch.android.binaryeye.fragment
 
 import android.app.Activity
-import android.app.AlertDialog
 import android.content.Context
 import android.content.Intent
 import android.content.SharedPreferences
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener
+import android.database.Cursor
+import android.net.Uri
 import android.net.wifi.WifiManager
 import android.os.Build
 import android.os.Bundle
-import android.support.annotation.RequiresApi
-import android.support.v14.preference.MultiSelectListPreference
-import android.support.v7.preference.ListPreference
-import android.support.v7.preference.Preference
-import android.support.v7.preference.PreferenceFragmentCompat
-import android.support.v7.preference.PreferenceGroup
+import android.provider.OpenableColumns
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.annotation.RequiresApi
+import androidx.core.net.toUri
+import androidx.preference.EditTextPreference
+import androidx.preference.ListPreference
+import androidx.preference.MultiSelectListPreference
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.PreferenceGroup
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import de.markusfisch.android.binaryeye.R
-import de.markusfisch.android.binaryeye.actions.wifi.removeNetworkSuggestions
+import de.markusfisch.android.binaryeye.activity.AutomatedActionsActivity
+import de.markusfisch.android.binaryeye.activity.IgnoreCodesActivity
+import de.markusfisch.android.binaryeye.activity.NetworkSuggestionsActivity
+import de.markusfisch.android.binaryeye.activity.ProfilesActivity
 import de.markusfisch.android.binaryeye.activity.SplashActivity
+import de.markusfisch.android.binaryeye.adapter.prettifyFormatName
+import de.markusfisch.android.binaryeye.app.hasBluetoothPermission
 import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.bluetooth.setBluetoothHosts
+import de.markusfisch.android.binaryeye.camera.availableDefaultCameras
+import de.markusfisch.android.binaryeye.camera.defaultCameraEntries
+import de.markusfisch.android.binaryeye.media.beepConfirm
+import de.markusfisch.android.binaryeye.preference.Preferences
 import de.markusfisch.android.binaryeye.preference.UrlPreference
 import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
 import de.markusfisch.android.binaryeye.view.systemBarRecyclerViewScrollListener
 import de.markusfisch.android.binaryeye.widget.toast
 
 class PreferencesFragment : PreferenceFragmentCompat() {
+	private var lastProfile: String? = null
+	private val pickBeepTone = registerForActivityResult(
+		ActivityResultContracts.OpenDocument()
+	) { uri ->
+		if (uri != null) {
+			setCustomBeepTone(uri)
+		}
+	}
+
 	private val changeListener = object : OnSharedPreferenceChangeListener {
 		override fun onSharedPreferenceChanged(
-			sharedPreferences: SharedPreferences,
-			key: String
+			sharedPreferences: SharedPreferences?,
+			key: String?
 		) {
-			val preference = findPreference(key) ?: return
-			prefs.update()
-			if (preference.key == "custom_locale") {
-				activity?.restartApp()
-			} else {
-				setSummary(preference)
+			key ?: return
+			val preference = findPreference<Preference>(key) ?: return
+			if (preference.key != PROFILE) {
+				prefs.update()
 			}
+			when (preference.key) {
+				CUSTOM_LOCALE,
+				DYNAMIC_COLORS -> {
+					activity?.restartApp()
+					return
+				}
+
+				BEEP_TONE_NAME,
+				BEEP_STREAM_NAME -> activity?.beepConfirm()
+
+				SEND_SCAN_BLUETOOTH -> if (
+					prefs.sendScanBluetooth &&
+					activity?.hasBluetoothPermission() == false
+				) {
+					prefs.sendScanBluetooth = false
+				}
+			}
+			setSummary(preference)
 		}
 	}
 
 	override fun onCreatePreferences(state: Bundle?, rootKey: String?) {
-		addPreferencesFromResource(R.xml.preferences)
-		activity?.setTitle(R.string.preferences)
+		loadPreferences(rootKey)
+	}
+
+	private fun loadPreferences(rootKey: String? = null) {
+		preferenceScreen?.sharedPreferences
+			?.unregisterOnSharedPreferenceChangeListener(changeListener)
+
+		preferenceManager.apply {
+			sharedPreferencesName = prefs.profile ?: "${context.packageName}_preferences"
+			sharedPreferencesMode = Context.MODE_PRIVATE
+		}
+
+		// Refresh the preferences.
+		preferenceScreen = null
+		setPreferencesFromResource(R.xml.preferences, rootKey)
+		preferenceScreen.sharedPreferences
+			?.registerOnSharedPreferenceChangeListener(changeListener)
+		setSummaries(preferenceScreen)
+		setIcons()
+
+		wireBeepTonePicker()
+		setDefaultCameras()
+		wireProfiles()
+		wireAutomatedActions()
+		wireIgnoreCodes()
+		setBluetoothResources()
 		wireClearNetworkPreferences()
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+			findPreference<PreferenceGroup>("appearance_category")?.isVisible = false
+		}
+	}
+
+	private fun wireProfiles() {
+		findPreference<Preference>(PROFILE)?.apply {
+			updateProfileSummary(this)
+			onPreferenceClickListener = Preference.OnPreferenceClickListener {
+				startActivity(Intent(activity, ProfilesActivity::class.java))
+				true
+			}
+		}
+	}
+
+	private fun wireBeepTonePicker() {
+		findPreference<ListPreference>(BEEP_TONE_NAME)?.apply {
+			onPreferenceChangeListener = Preference.OnPreferenceChangeListener { _, newValue ->
+				val toneName = newValue as? String ?: return@OnPreferenceChangeListener false
+				if (toneName == Preferences.CUSTOM_BEEP_TONE_NAME) {
+					pickBeepTone.launch(arrayOf("audio/*"))
+					false
+				} else {
+					if (prefs.usesCustomBeepTone()) {
+						clearCustomBeepTone()
+					}
+					prefs.beepToneName = toneName
+					value = toneName
+					setSummary(this)
+					activity?.beepConfirm()
+					false
+				}
+			}
+		}
+	}
+
+	private fun setDefaultCameras() {
+		findPreference<ListPreference>(DEFAULT_CAMERA)?.apply {
+			val values = availableDefaultCameras(requireContext())
+			entries = defaultCameraEntries(requireContext(), values)
+			entryValues = values.toTypedArray()
+			if (!values.contains(value)) {
+				value = values.firstOrNull()
+			}
+			isVisible = values.size > 1
+			setSummary(this)
+		}
+	}
+
+	private fun wireAutomatedActions() {
+		findPreference<Preference>(AUTOMATED_ACTIONS)?.apply {
+			updateAutomatedActionsSummary(this)
+			onPreferenceClickListener = Preference.OnPreferenceClickListener {
+				startActivity(
+					Intent(activity, AutomatedActionsActivity::class.java)
+				)
+				true
+			}
+		}
+	}
+
+	private fun wireIgnoreCodes() {
+		findPreference<Preference>(IGNORE_CODES)?.apply {
+			updateIgnoreCodesSummary(this)
+			onPreferenceClickListener = Preference.OnPreferenceClickListener {
+				startActivity(
+					Intent(activity, IgnoreCodesActivity::class.java)
+				)
+				true
+			}
+		}
+	}
+
+	private fun setBluetoothResources() {
+		if (prefs.sendScanBluetooth &&
+			activity?.hasBluetoothPermission() == true
+		) {
+			findPreference<ListPreference>(SEND_SCAN_BLUETOOTH_HOST)?.let {
+				setBluetoothHosts(it)
+			}
+		}
 	}
 
 	private fun wireClearNetworkPreferences() {
-		val pref = findPreference("clear_network_suggestions") ?: return
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-			pref.isVisible = false
-		} else {
-			pref.setOnPreferenceClickListener {
-				context.askToClearNetworkSuggestions()
-				true
+		findPreference<Preference>(CLEAR_NETWORK_SUGGESTIONS)?.apply {
+			if (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q) {
+				// From R+ we can query past network suggestions and
+				// make them editable.
+				setOnPreferenceClickListener {
+					startActivity(
+						Intent(activity, NetworkSuggestionsActivity::class.java)
+					)
+					true
+				}
+			} else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.Q) {
+				// On Q, we can only clear *all* suggestions.
+				// Note that previous versions of this app allowed
+				// adding network suggestions on Q as well, so we
+				// need to keep this option.
+				setOnPreferenceClickListener {
+					context.askToClearNetworkSuggestions()
+					true
+				}
+			} else {
+				// There are no network suggestions below Q.
+				isVisible = false
 			}
 		}
 	}
 
 	@RequiresApi(Build.VERSION_CODES.Q)
 	private fun Context.askToClearNetworkSuggestions() {
-		AlertDialog.Builder(this)
+		MaterialAlertDialogBuilder(this)
 			.setMessage(R.string.really_remove_all_networks)
 			.setPositiveButton(android.R.string.ok) { _, _ ->
 				clearNetworkSuggestions()
@@ -72,8 +233,8 @@ class PreferencesFragment : PreferenceFragmentCompat() {
 	@RequiresApi(Build.VERSION_CODES.Q)
 	private fun Context.clearNetworkSuggestions() {
 		toast(
-			if (
-				removeNetworkSuggestions(this) == WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS
+			if (removeAllNetworkSuggestions() ==
+				WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS
 			) {
 				R.string.clear_network_suggestions_success
 			} else {
@@ -84,27 +245,43 @@ class PreferencesFragment : PreferenceFragmentCompat() {
 
 	override fun onResume() {
 		super.onResume()
+		if (lastProfile != prefs.profile) {
+			loadPreferences()
+		}
+		activity?.setTitle(R.string.preferences)
+		findPreference<Preference>(AUTOMATED_ACTIONS)?.let {
+			updateAutomatedActionsSummary(it)
+		}
+		findPreference<Preference>(IGNORE_CODES)?.let {
+			updateIgnoreCodesSummary(it)
+		}
+		findPreference<Preference>(PROFILE)?.let {
+			updateProfileSummary(it)
+		}
 		listView.setPaddingFromWindowInsets()
 		listView.removeOnScrollListener(systemBarRecyclerViewScrollListener)
 		listView.addOnScrollListener(systemBarRecyclerViewScrollListener)
-		preferenceScreen.sharedPreferences
-			.registerOnSharedPreferenceChangeListener(changeListener)
-		setSummaries(preferenceScreen)
 	}
 
 	override fun onPause() {
 		super.onPause()
 		preferenceScreen.sharedPreferences
-			.unregisterOnSharedPreferenceChangeListener(changeListener)
+			?.unregisterOnSharedPreferenceChangeListener(changeListener)
 	}
 
 	override fun onDisplayPreferenceDialog(preference: Preference) {
 		if (preference is UrlPreference) {
-			val fm = fragmentManager
+			val fm = parentFragmentManager
 			UrlDialogFragment.newInstance(preference.key).apply {
 				setTargetFragment(this@PreferencesFragment, 0)
 				show(fm, null)
 			}
+		} else if (preference.key == SEND_SCAN_BLUETOOTH_HOST) {
+			val ac = activity ?: return
+			if (ac.hasBluetoothPermission()) {
+				setBluetoothHosts(preference as ListPreference)
+			}
+			super.onDisplayPreferenceDialog(preference)
 		} else {
 			super.onDisplayPreferenceDialog(preference)
 		}
@@ -118,37 +295,233 @@ class PreferencesFragment : PreferenceFragmentCompat() {
 	}
 
 	private fun setSummary(preference: Preference) {
-		when (preference) {
-			is UrlPreference -> {
-				preference.setSummary(preference.getUrl())
-			}
-			is ListPreference -> {
-				preference.setSummary(preference.entry)
-			}
-			is MultiSelectListPreference -> {
-				preference.setSummary(
-					preference.values.joinToString(", ") {
-						it.replace(Regex("_"), " ")
-					}
-				)
-			}
-			is PreferenceGroup -> {
-				setSummaries(preference)
+		when (preference.key) {
+			AUTOMATED_ACTIONS -> return updateAutomatedActionsSummary(preference)
+			IGNORE_CODES -> return updateIgnoreCodesSummary(preference)
+			BEEP_TONE_NAME -> {
+				setBeepToneSummary(preference)
+				return
 			}
 		}
+		when (preference) {
+			is EditTextPreference -> preference.summary = preference.text
+			is UrlPreference -> preference.summary = preference.getUrl()
+			is ListPreference -> preference.setSummary(preference.entry)
+			is MultiSelectListPreference -> preference.summary =
+				getSortedSummary(preference)
+
+			is PreferenceGroup -> setSummaries(preference)
+		}
+	}
+
+	private fun setBeepToneSummary(preference: Preference) {
+		preference.summary = if (prefs.usesCustomBeepTone()) {
+			getBeepToneLabel(prefs.beepToneUri.toUri())
+		} else {
+			findPreference<ListPreference>(BEEP_TONE_NAME)?.let {
+				val index = it.findIndexOfValue(prefs.beepToneName)
+				if (index >= 0) {
+					it.entries[index]
+				} else {
+					""
+				}
+			} ?: ""
+		}
+	}
+
+	private fun getSortedSummary(preference: MultiSelectListPreference): String {
+		val labelsByValue = mutableMapOf<String, String>()
+		val entries = preference.entries
+		val entryValues = preference.entryValues
+		val count = minOf(entries.size, entryValues.size)
+
+		for (i in 0 until count) {
+			labelsByValue[entryValues[i].toString()] = entries[i].toString()
+		}
+
+		return preference.values
+			.map { value ->
+				labelsByValue[value] ?: value.prettifyFormatName()
+			}
+			.sortedBy { it.lowercase() }
+			.joinToString(", ")
+	}
+
+	private fun setIcons() {
+		setIcon(PROFILE, R.drawable.ic_action_profile)
+		setIcon("formats", R.drawable.ic_action_scan)
+		setIcon("show_crop_handle", R.drawable.ic_action_crop)
+		setIcon("show_crosshairs", R.drawable.ic_action_search)
+		setIcon("zoom_by_swiping", R.drawable.ic_action_search)
+		setIcon("auto_rotate", R.drawable.ic_action_down)
+		setIcon("try_harder", R.drawable.ic_action_search)
+		setIcon("bulk_mode", R.drawable.ic_action_bulk_mode)
+		setIcon(DEFAULT_CAMERA, R.drawable.ic_action_switch_camera)
+		setIcon("bulk_mode_delay", R.drawable.ic_action_delay)
+		setIcon("show_toast_in_bulk_mode", R.drawable.ic_action_toast)
+		setIcon("vibrate", R.drawable.ic_action_vibrate)
+		setIcon("beep", R.drawable.ic_action_beep)
+		setIcon(BEEP_TONE_NAME, R.drawable.ic_action_notification_sound)
+		setIcon(BEEP_STREAM_NAME, R.drawable.ic_action_notification_sound)
+		setIcon("use_history", R.drawable.ic_action_history)
+		setIcon("ignore_duplicates_name", R.drawable.ic_action_remove)
+		setIcon(IGNORE_CODES, R.drawable.ic_action_remove)
+		setIcon("copy_immediately", R.drawable.ic_action_copy)
+		setIcon("send_scan_active", R.drawable.ic_action_forward)
+		setIcon("send_scan_url", R.drawable.ic_action_link)
+		setIcon("send_scan_type", R.drawable.ic_action_link)
+		setIcon("send_scan_device_id", R.drawable.ic_label)
+		setIcon(SEND_SCAN_BLUETOOTH, R.drawable.ic_action_bluetooth)
+		setIcon(SEND_SCAN_BLUETOOTH_HOST, R.drawable.ic_action_bluetooth)
+		setIcon(SEND_SCAN_KDE_CONNECT, R.drawable.ic_action_forward)
+		setIcon("open_immediately", R.drawable.ic_action_open)
+		setIcon("strip_tracking_params", R.drawable.ic_action_remove)
+		setIcon("show_meta_data", R.drawable.ic_action_info)
+		setIcon("show_hex_dump", R.drawable.ic_action_info)
+		setIcon("show_checksum", R.drawable.ic_action_info)
+		setIcon("show_recreation", R.drawable.ic_action_scan)
+		setIcon("close_automatically", R.drawable.ic_action_back)
+		setIcon("default_search_url", R.drawable.ic_action_search)
+		setIcon("open_with_url", R.drawable.ic_action_link)
+		setIcon(AUTOMATED_ACTIONS, R.drawable.ic_action_create)
+		setIcon(CLEAR_NETWORK_SUGGESTIONS, R.drawable.ic_action_wifi)
+		setIcon("brighten_screen", R.drawable.ic_action_bright)
+		setIcon(CUSTOM_LOCALE, R.drawable.ic_action_preferences)
+		setIcon(DYNAMIC_COLORS, R.drawable.ic_action_preferences)
+	}
+
+	private fun setIcon(key: String, iconResId: Int) {
+		findPreference<Preference>(key)?.setIcon(iconResId)
+	}
+
+	private fun updateAutomatedActionsSummary(preference: Preference) {
+		val count = prefs.automatedActions.size
+		preference.summary = if (count == 0) {
+			getString(R.string.automated_actions_none)
+		} else {
+			resources.getQuantityString(
+				R.plurals.automated_actions_count,
+				count,
+				count
+			)
+		}
+	}
+
+	private fun updateIgnoreCodesSummary(preference: Preference) {
+		val count = prefs.ignoreCodes.size
+		preference.summary = if (count == 0) {
+			getString(R.string.ignore_codes_none)
+		} else {
+			resources.getQuantityString(
+				R.plurals.ignore_codes_count,
+				count,
+				count
+			)
+		}
+	}
+
+	private fun updateProfileSummary(preference: Preference) {
+		preference.summary = prefs.profileLabel(requireContext(), prefs.profile)
+		lastProfile = prefs.profile
+	}
+
+	private fun setCustomBeepTone(uri: Uri) {
+		val context = requireContext()
+		val resolver = context.contentResolver
+		clearCustomBeepTone()
+		try {
+			resolver.takePersistableUriPermission(
+				uri,
+				Intent.FLAG_GRANT_READ_URI_PERMISSION
+			)
+		} catch (e: SecurityException) {
+			val message = e.message
+			if (!message.isNullOrEmpty()) {
+				context.toast(message)
+			}
+			return
+		}
+		prefs.beepToneUri = uri.toString()
+		prefs.beepToneName = Preferences.CUSTOM_BEEP_TONE_NAME
+		findPreference<ListPreference>(BEEP_TONE_NAME)?.apply {
+			value = Preferences.CUSTOM_BEEP_TONE_NAME
+			setSummary(this)
+		}
+		activity?.beepConfirm()
+	}
+
+	private fun clearCustomBeepTone(releaseSelection: Boolean = true) {
+		if (releaseSelection) {
+			releaseBeepTonePermission(prefs.beepToneUri)
+		}
+		prefs.beepToneUri = ""
+	}
+
+	private fun releaseBeepTonePermission(uriString: String) {
+		if (uriString.isEmpty()) {
+			return
+		}
+		try {
+			requireContext().contentResolver.releasePersistableUriPermission(
+				uriString.toUri(),
+				Intent.FLAG_GRANT_READ_URI_PERMISSION
+			)
+		} catch (_: SecurityException) {
+		}
+	}
+
+	private fun getBeepToneLabel(uri: Uri): String {
+		var cursor: Cursor? = null
+		return try {
+			cursor = requireContext().contentResolver.query(
+				uri,
+				arrayOf(OpenableColumns.DISPLAY_NAME),
+				null,
+				null,
+				null
+			)
+			if (cursor?.moveToFirst() == true) {
+				cursor.getString(0)
+			} else {
+				uri.lastPathSegment ?: uri.toString()
+			}
+		} catch (_: Exception) {
+			uri.lastPathSegment ?: uri.toString()
+		} finally {
+			cursor?.close()
+		}
+	}
+
+	companion object {
+		private const val PROFILE = "profile"
+		private const val AUTOMATED_ACTIONS = "automated_actions"
+		private const val BEEP_TONE_NAME = "beep_tone_name"
+		private const val BEEP_STREAM_NAME = "beep_stream_name"
+		private const val CLEAR_NETWORK_SUGGESTIONS = "clear_network_suggestions"
+		private const val CUSTOM_LOCALE = "custom_locale"
+		private const val DYNAMIC_COLORS = "dynamic_colors"
+		private const val DEFAULT_CAMERA = "default_camera"
+		private const val IGNORE_CODES = "ignore_codes"
+		private const val SEND_SCAN_BLUETOOTH = "send_scan_bluetooth"
+		private const val SEND_SCAN_BLUETOOTH_HOST = "send_scan_bluetooth_host"
+		private const val SEND_SCAN_KDE_CONNECT = "send_scan_kde_connect"
 	}
 }
 
 private fun Activity.restartApp() {
 	val intent = Intent(this, SplashActivity::class.java)
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-		intent.addFlags(
-			Intent.FLAG_ACTIVITY_NEW_TASK or
-					Intent.FLAG_ACTIVITY_CLEAR_TASK
-		)
-	}
+	intent.addFlags(
+		Intent.FLAG_ACTIVITY_NEW_TASK or
+				Intent.FLAG_ACTIVITY_CLEAR_TASK
+	)
 	startActivity(intent)
 	finish()
 	// Restart to begin with an unmodified Locale to follow system settings.
 	Runtime.getRuntime().exit(0)
 }
+
+@RequiresApi(Build.VERSION_CODES.Q)
+private fun Context.removeAllNetworkSuggestions(): Int =
+	(applicationContext.getSystemService(
+		Context.WIFI_SERVICE
+	) as WifiManager).removeNetworkSuggestions(listOf())

app/src/main/kotlin/de/markusfisch/android/binaryeye/fragment/UrlDialogFragment.kt

@@ -1,23 +1,24 @@
 package de.markusfisch.android.binaryeye.fragment
 
 import android.os.Bundle
-import android.support.v7.preference.PreferenceDialogFragmentCompat
 import android.view.View
 import android.widget.TextView
+import androidx.preference.PreferenceDialogFragmentCompat
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.database.Scan
 import de.markusfisch.android.binaryeye.net.sendAsync
 import de.markusfisch.android.binaryeye.preference.UrlPreference
+import de.markusfisch.android.zxingcpp.ZxingCpp.BarcodeFormat
 
 class UrlDialogFragment : PreferenceDialogFragmentCompat() {
 	private var urlView: TextView? = null
 	private var testButton: TextView? = null
 
-	override fun onBindDialogView(view: View?) {
+	override fun onBindDialogView(view: View) {
 		super.onBindDialogView(view)
-		urlView = view?.findViewById(R.id.url)
-		testButton = view?.findViewById(R.id.test_url)
+		urlView = view.findViewById(R.id.url)
+		testButton = view.findViewById(R.id.test_url)
 		testButton?.setOnClickListener {
 			testUrl(testButton)
 		}
@@ -47,11 +48,14 @@ class UrlDialogFragment : PreferenceDialogFragmentCompat() {
 		}
 		textView ?: return
 		textView.text = "…"
-		Scan(
-			"test",
-			null,
-			"none"
-		).sendAsync(url, prefs.sendScanType) { code, body ->
+		textView.context.sendAsync(
+			Scan(
+				"test",
+				null,
+				BarcodeFormat.None
+			),
+			url
+		) { code, body ->
 			textView.text = when {
 				code != null -> "$code"
 				body != null -> body
@@ -79,10 +83,5 @@ private fun completeUrl(template: String): String {
 	if (!s.startsWith("http")) {
 		s = "http://${s}"
 	}
-	if (prefs.sendScanType == "0" &&
-		!s.matches(".*/[a-zA-Z._-]*\\?[a-zA-Z0-9&=_-]+=$".toRegex())
-	) {
-		s = "${s}?content="
-	}
 	return s
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/graphics/BitmapEditor.kt

@@ -25,7 +25,7 @@ fun ContentResolver.loadImageUri(uri: Uri): Bitmap? = try {
 	openInputStream(uri)?.use {
 		BitmapFactory.decodeStream(it, null, options)
 	}
-} catch (e: IOException) {
+} catch (_: IOException) {
 	null
 }
 
@@ -55,17 +55,17 @@ fun Bitmap.crop(
 	pivotX: Float,
 	pivotY: Float
 ) = try {
-	val erected = erect(rotation, pivotX, pivotY)
-	val w = erected.width
-	val h = erected.height
+	val b = rotate(rotation, pivotX, pivotY)
+	val w = b.width
+	val h = b.height
 	val x = max(0, (rect.left * w).roundToInt())
 	val y = max(0, (rect.top * h).roundToInt())
 	Bitmap.createBitmap(
-		erected,
+		b,
 		x,
 		y,
-		min(w - x, (rect.right * w).roundToInt() - x),
-		min(h - y, (rect.bottom * h).roundToInt() - y)
+		min(w, (rect.right * w).roundToInt()) - x,
+		min(h, (rect.bottom * h).roundToInt()) - y
 	)
 } catch (e: OutOfMemoryError) {
 	null
@@ -73,13 +73,11 @@ fun Bitmap.crop(
 	null
 }
 
-private fun Bitmap.erect(
+private fun Bitmap.rotate(
 	rotation: Float,
 	pivotX: Float,
 	pivotY: Float
-): Bitmap = if (
-	rotation % 360f != 0f
-) {
+): Bitmap = if (rotation % 360f != 0f) {
 	Bitmap.createBitmap(
 		this,
 		0,

app/src/main/kotlin/de/markusfisch/android/binaryeye/graphics/DashedBorderPaint.kt

@@ -3,12 +3,12 @@ package de.markusfisch.android.binaryeye.graphics
 import android.content.Context
 import android.graphics.DashPathEffect
 import android.graphics.Paint
-import android.support.v4.content.ContextCompat
+import androidx.core.content.ContextCompat
 import de.markusfisch.android.binaryeye.R
 
 fun Context.getDashedBorderPaint() = Paint(Paint.ANTI_ALIAS_FLAG).apply {
 	val dp = resources.displayMetrics.density
-	color = ContextCompat.getColor(applicationContext, R.color.crop_bound)
+	color = ContextCompat.getColor(this@getDashedBorderPaint, R.color.crop_bound)
 	style = Paint.Style.STROKE
 	strokeWidth = dp * 2f
 	pathEffect = DashPathEffect(floatArrayOf(10f * dp, 10f * dp), 0f)

app/src/main/kotlin/de/markusfisch/android/binaryeye/graphics/Drawables.kt

@@ -1,30 +1,32 @@
 package de.markusfisch.android.binaryeye.graphics
 
 import android.content.res.Resources
+import android.content.res.Resources.Theme
 import android.graphics.Bitmap
 import android.graphics.Canvas
 import android.graphics.drawable.BitmapDrawable
 import android.graphics.drawable.Drawable
-import android.os.Build
+import androidx.core.content.res.ResourcesCompat
+import androidx.core.graphics.createBitmap
 
 fun Resources.getBitmapFromDrawable(
 	resId: Int
-): Bitmap = getBitmapFromDrawable(getDrawableCompat(resId))
+): Bitmap = getBitmapFromDrawable(resId, null)
 
-fun Resources.getDrawableCompat(
-	resId: Int
-): Drawable = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-	getDrawable(resId, null)
-} else {
-	@Suppress("DEPRECATION")
-	getDrawable(resId)
-}
+fun Resources.getBitmapFromDrawable(
+	resId: Int,
+	theme: Theme?
+): Bitmap = getBitmapFromDrawable(
+	ResourcesCompat.getDrawable(this, resId, theme) ?: throw Resources.NotFoundException(
+		"Drawable resource ID #0x${resId.toString(16)}"
+	)
+)
 
 private fun getBitmapFromDrawable(drawable: Drawable): Bitmap {
 	if (drawable is BitmapDrawable) {
 		return drawable.bitmap
 	}
-	val bitmap = Bitmap.createBitmap(
+	val bitmap = createBitmap(
 		drawable.intrinsicWidth,
 		drawable.intrinsicHeight,
 		Bitmap.Config.ARGB_8888

app/src/main/kotlin/de/markusfisch/android/binaryeye/graphics/Mapping.kt

@@ -10,7 +10,9 @@ data class FrameMetrics(
 	var width: Int = 0,
 	var height: Int = 0,
 	var orientation: Int = 0
-)
+) {
+	fun isValid() = width > 0 && height > 0
+}
 
 fun Rect.setFrameRoi(
 	frameMetrics: FrameMetrics,
@@ -38,6 +40,15 @@ fun Rect.setFrameRoi(
 			frameRoiF.bottom.roundToInt()
 		)
 	}
+	val clampedLeft = left.coerceIn(0, frameMetrics.width)
+	val clampedTop = top.coerceIn(0, frameMetrics.height)
+	val clampedRight = right.coerceIn(0, frameMetrics.width)
+	val clampedBottom = bottom.coerceIn(0, frameMetrics.height)
+	if (clampedLeft >= clampedRight || clampedTop >= clampedBottom) {
+		setEmpty()
+	} else {
+		set(clampedLeft, clampedTop, clampedRight, clampedBottom)
+	}
 }
 
 fun Matrix.setFrameToView(
@@ -54,6 +65,7 @@ fun Matrix.setFrameToView(
 			uprightWidth = frameMetrics.height
 			uprightHeight = frameMetrics.width
 		}
+
 		else -> {
 			uprightWidth = frameMetrics.width
 			uprightHeight = frameMetrics.height
@@ -85,3 +97,57 @@ fun Matrix.mapPosition(
 	mapPoints(coords)
 	return i
 }
+
+fun Rect.setCovered(
+	viewWidth: Int,
+	viewHeight: Int,
+	frameMetrics: FrameMetrics
+) {
+	val frameWidth: Int
+	val frameHeight: Int
+	when (frameMetrics.orientation) {
+		90, 270 -> {
+			frameWidth = frameMetrics.height
+			frameHeight = frameMetrics.width
+		}
+
+		else -> {
+			frameWidth = frameMetrics.width
+			frameHeight = frameMetrics.height
+		}
+	}
+	if (frameWidth < 1 || frameHeight < 1) {
+		set(0, 0, 0, 0)
+		return
+	}
+	var coveredWidth = frameWidth
+	var coveredHeight = frameHeight
+	if (viewWidth.toLong() * coveredWidth <
+		viewHeight.toLong() * coveredHeight
+	) {
+		coveredWidth = coveredWidth * viewHeight / coveredHeight
+		coveredHeight = viewHeight
+	} else {
+		coveredHeight = coveredHeight * viewWidth / coveredWidth
+		coveredWidth = viewWidth
+	}
+	val left = (viewWidth - coveredWidth) / 2
+	val top = (viewHeight - coveredHeight) / 2
+	set(
+		left,
+		top,
+		left + coveredWidth,
+		top + coveredHeight
+	)
+}
+
+fun Matrix.mapViewYToFrame(viewY: Float): Float {
+	val values = FloatArray(9)
+	getValues(values)
+	val scaleY = values[Matrix.MSCALE_Y]
+	return if (scaleY != 0f) {
+		(viewY - values[Matrix.MTRANS_Y]) / scaleY
+	} else {
+		viewY
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/graphics/Transparency.kt

@@ -2,14 +2,16 @@ package de.markusfisch.android.binaryeye.graphics
 
 import android.graphics.Bitmap
 import android.graphics.Canvas
+import androidx.core.graphics.createBitmap
 
 fun Bitmap.fixTransparency(): Bitmap {
 	val result = analyzeTransparency()
-	return if (result.hasTransparentPixels) {
-		val copy = Bitmap.createBitmap(
+	val cfg = config
+	return if (cfg != null && result.hasTransparentPixels) {
+		val copy = createBitmap(
 			width,
 			height,
-			config
+			cfg
 		)
 		Canvas(copy).apply {
 			drawColor(result.backgroundColor)

app/src/main/kotlin/de/markusfisch/android/binaryeye/io/FileSaving.kt

@@ -6,8 +6,8 @@ import android.content.Context
 import android.os.Build
 import android.os.Environment
 import android.provider.MediaStore
-import android.support.annotation.MainThread
 import android.widget.EditText
+import androidx.annotation.MainThread
 import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.app.alertDialog
 import java.io.File
@@ -53,7 +53,7 @@ fun Context.writeExternalFile(
 ): Boolean = try {
 	openExternalOutputStream(fileName, mimeType).use { write(it) }
 	true
-} catch (e: IOException) {
+} catch (_: IOException) {
 	false
 }
 
@@ -61,7 +61,6 @@ private fun Context.openExternalOutputStream(
 	fileName: String,
 	mimeType: String
 ): OutputStream = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-	@Suppress("DEPRECATION")
 	val file = File(
 		Environment.getExternalStoragePublicDirectory(
 			Environment.DIRECTORY_DOWNLOADS

app/src/main/kotlin/de/markusfisch/android/binaryeye/kdeconnect/KdeConnectSender.kt

@@ -0,0 +1,30 @@
+package de.markusfisch.android.binaryeye.kdeconnect
+
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import de.markusfisch.android.binaryeye.content.startIntentOrToast
+import de.markusfisch.android.binaryeye.database.Scan
+
+private const val KDE_CONNECT_PACKAGE = "org.kde.kdeconnect_tp"
+private const val KDE_CONNECT_KEYSTROKES_ACTIVITY =
+	"org.kde.kdeconnect.plugins.mousepad.SendKeystrokesToHostActivity"
+private const val KEYSTROKES_MIME_TYPE = "text/x-keystrokes"
+
+fun Context.sendToKdeConnect(scan: Scan): Boolean {
+	if (scan.text.isEmpty()) {
+		return false
+	}
+	return startIntentOrToast(createKdeConnectIntent(scan.text))
+}
+
+fun createKdeConnectIntent(text: String): Intent {
+	return Intent(Intent.ACTION_SEND).apply {
+		component = ComponentName(
+			KDE_CONNECT_PACKAGE,
+			KDE_CONNECT_KEYSTROKES_ACTIVITY
+		)
+		type = KEYSTROKES_MIME_TYPE
+		putExtra(Intent.EXTRA_TEXT, text)
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/media/Beeps.kt

@@ -0,0 +1,95 @@
+package de.markusfisch.android.binaryeye.media
+
+import android.content.Context
+import android.media.AudioAttributes
+import android.media.AudioManager
+import android.media.MediaPlayer
+import android.media.ToneGenerator
+import androidx.core.net.toUri
+import de.markusfisch.android.binaryeye.app.prefs
+
+private var confirmToneGenerator: ToneGenerator? = null
+private var confirmToneStream = AudioManager.STREAM_MUSIC
+private var confirmMediaPlayer: MediaPlayer? = null
+private var errorToneGenerator: ToneGenerator? = null
+
+fun Context.beepConfirm() {
+	val stream = prefs.beepStream()
+	if (prefs.usesCustomBeepTone() &&
+		playCustomConfirmTone(prefs.beepToneUri, stream)
+	) {
+		return
+	}
+	val tg = if (confirmToneGenerator == null || confirmToneStream != stream) {
+		confirmToneGenerator?.release()
+		ToneGenerator(stream, ToneGenerator.MAX_VOLUME).also {
+			confirmToneGenerator = it
+			confirmToneStream = stream
+		}
+	} else {
+		confirmToneGenerator!!
+	}
+	confirmToneGenerator = tg
+	tg.startTone(prefs.beepTone())
+}
+
+private fun Context.playCustomConfirmTone(
+	uriString: String,
+	stream: Int
+): Boolean {
+	return try {
+		confirmToneGenerator?.release()
+		confirmToneGenerator = null
+		confirmToneStream = stream
+		confirmMediaPlayer?.release()
+		confirmMediaPlayer = MediaPlayer().also { mp ->
+			mp.apply {
+				setAudioAttributes(
+					AudioAttributes.Builder()
+						.setLegacyStreamType(stream)
+						.build()
+				)
+				setDataSource(this@playCustomConfirmTone, uriString.toUri())
+				setOnCompletionListener { completed ->
+					if (confirmMediaPlayer === completed) {
+						confirmMediaPlayer = null
+					}
+					completed.release()
+				}
+				setOnErrorListener { failed, _, _ ->
+					if (confirmMediaPlayer === failed) {
+						confirmMediaPlayer = null
+					}
+					failed.release()
+					true
+				}
+				prepare()
+				start()
+			}
+		}
+		true
+	} catch (_: Exception) {
+		confirmMediaPlayer?.release()
+		confirmMediaPlayer = null
+		false
+	}
+}
+
+fun beepError() {
+	val tg = errorToneGenerator ?: ToneGenerator(
+		AudioManager.STREAM_ALARM,
+		ToneGenerator.MAX_VOLUME
+	)
+	errorToneGenerator = tg
+	tg.startTone(ToneGenerator.TONE_SUP_ERROR, 1000)
+}
+
+fun releaseToneGenerators() {
+	confirmToneGenerator?.release()
+	confirmToneGenerator = null
+	confirmToneStream = AudioManager.STREAM_MUSIC
+	confirmMediaPlayer?.release()
+	confirmMediaPlayer = null
+	errorToneGenerator?.release()
+	errorToneGenerator = null
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/net/Deeplink.kt

@@ -0,0 +1,30 @@
+package de.markusfisch.android.binaryeye.net
+
+import android.net.Uri
+
+private const val SCHEME = "binaryeye"
+private const val HOSTNAME = "markusfisch.de"
+private const val ENCODE_PATH = "encode"
+
+fun isScanDeeplink(text: String) = listOf(
+	"$SCHEME://scan",
+	"http://$HOSTNAME/BinaryEye",
+	"https://$HOSTNAME/BinaryEye"
+).any { text.startsWith(it) }
+
+fun isEncodeDeeplink(text: String) = listOf(
+	"$SCHEME://$ENCODE_PATH",
+	"http://$HOSTNAME/$ENCODE_PATH",
+	"https://$HOSTNAME/$ENCODE_PATH"
+).any { text.startsWith(it) }
+
+fun createEncodeDeeplink(format: String, content: String): String {
+	return Uri.Builder()
+		.scheme("https")
+		.authority(HOSTNAME)
+		.appendPath(ENCODE_PATH)
+		.appendQueryParameter("format", format)
+		.appendQueryParameter("content", content)
+		.build()
+		.toString()
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/net/ScanSender.kt

@@ -1,6 +1,8 @@
 package de.markusfisch.android.binaryeye.net
 
-import de.markusfisch.android.binaryeye.content.toHexString
+import android.content.Context
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.content.openUrl
 import de.markusfisch.android.binaryeye.database.Scan
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -15,60 +17,100 @@ import java.net.HttpURLConnection
 import java.net.ProtocolException
 import java.net.URL
 
-fun Scan.sendAsync(
-	url: String,
-	type: String,
+private const val SEND_TYPE_GET_ADD_CONTENT = "0"
+private const val SEND_TYPE_GET_QUERY_STRING = "1"
+private const val SEND_TYPE_POST_FORM = "2"
+private const val SEND_TYPE_POST_JSON = "3"
+private const val SEND_TYPE_EXTERNAL_BROWSER = "4"
+
+fun Context.sendAsync(
+	scan: Scan,
+	url: String = prefs.sendScanUrl,
+	type: String = prefs.sendScanType,
 	callback: (Int?, String?) -> Unit
 ) {
+	val extras = mapOf(
+		"deviceId" to prefs.sendScanDeviceId.trim()
+	)
+	if (type == SEND_TYPE_EXTERNAL_BROWSER) {
+		openUrl(buildUrl(url, scan.asUrlArguments(extras)))
+		return
+	}
 	CoroutineScope(Dispatchers.IO).launch(Dispatchers.IO) {
-		val response = send(url, type)
+		val response = scan.send(url, type, extras) ?: return@launch
 		withContext(Dispatchers.Main) {
 			callback(response.code, response.body)
 		}
 	}
 }
 
-private fun Scan.send(url: String, type: String): Response {
-	return when (type) {
-		"1" -> request(
-			url + "?" + asUrlArguments()
+private fun Scan.send(
+	url: String,
+	type: String,
+	extras: Map<String, String>
+): Response? = when (type) {
+	SEND_TYPE_GET_ADD_CONTENT -> request(
+		url + text.urlEncode()
+	)
+
+	SEND_TYPE_GET_QUERY_STRING -> request(
+		buildUrl(url, asUrlArguments(extras))
+	)
+
+	SEND_TYPE_POST_FORM -> request(url) { con ->
+		con.requestMethod = "POST"
+		con.setRequestProperty(
+			"Content-Type",
+			"application/x-www-form-urlencoded"
 		)
-		"2" -> request(url) { con ->
-			con.requestMethod = "POST"
-			con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded")
-			con.outputStream.apply {
-				write(asUrlArguments().toByteArray())
-				close()
-			}
+		con.outputStream.apply {
+			write(asUrlArguments(extras).toByteArray())
+			close()
 		}
-		"3" -> request(url) { con ->
-			con.requestMethod = "POST"
-			con.setRequestProperty("Content-Type", "application/json")
-			con.outputStream.apply {
-				write(asJson().toString().toByteArray())
-				close()
-			}
-		}
-		else -> request(
-			url + content.urlEncode()
-		)
 	}
+
+	SEND_TYPE_POST_JSON -> request(url) { con ->
+		con.requestMethod = "POST"
+		con.setRequestProperty("Content-Type", "application/json")
+		con.outputStream.apply {
+			write(asJson(extras).toString().toByteArray())
+			close()
+		}
+	}
+
+	else -> null
 }
 
-private fun Scan.asUrlArguments(): String = getMap().map { (k, v) ->
+private fun buildUrl(url: String, arguments: String): String {
+	if (arguments.isEmpty()) {
+		return url
+	}
+	val separator = when {
+		url.endsWith("?") || url.endsWith("&") -> ""
+		url.contains("?") -> "&"
+		else -> "?"
+	}
+	return url + separator + arguments
+}
+
+private fun Scan.asUrlArguments(
+	extras: Map<String, String>
+): String = getMap(extras).map { (k, v) ->
 	"${k}=${v.urlEncode()}"
 }.joinToString("&")
 
-private fun Scan.asJson() = JSONObject().apply {
-	getMap().forEach { (k, v) -> put(k, v) }
+private fun Scan.asJson(
+	extras: Map<String, String>
+) = JSONObject().apply {
+	getMap(extras).forEach { (k, v) -> put(k, v) }
 }
 
-private fun Scan.getMap(): Map<String, String> = mapOf(
-	"content" to content,
+private fun Scan.getMap(extras: Map<String, String>): Map<String, String> = (mapOf(
+	"content" to text,
 	"raw" to raw?.toHexString(),
-	"format" to format,
+	"format" to format.name,
 	"errorCorrectionLevel" to errorCorrectionLevel,
-	"versionNumber" to versionNumber.toString(),
+	"version" to version,
 	"sequenceSize" to sequenceSize.toString(),
 	"sequenceIndex" to sequenceIndex.toString(),
 	"sequenceId" to sequenceId,
@@ -76,8 +118,8 @@ private fun Scan.getMap(): Map<String, String> = mapOf(
 	"addOn" to addOn,
 	"price" to price,
 	"issueNumber" to issueNumber,
-	"timestamp" to dateTime
-).filterNullValues()
+	"timestamp" to dateTime,
+) + extras).filterNullValues()
 
 private fun Map<String, String?>.filterNullValues() =
 	filterValues { it != null }.mapValues { it.value as String }

app/src/main/kotlin/de/markusfisch/android/binaryeye/net/Url.kt

@@ -5,6 +5,6 @@ import java.net.URLEncoder
 
 fun String.urlEncode(): String = try {
 	URLEncoder.encode(this, "UTF-8")
-} catch (e: UnsupportedEncodingException) {
+} catch (_: UnsupportedEncodingException) {
 	this
-}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/os/LockScreen.kt

@@ -0,0 +1,14 @@
+package de.markusfisch.android.binaryeye.os
+
+import android.app.Activity
+import android.os.Build
+import android.view.WindowManager
+
+@Suppress("DEPRECATION")
+fun Activity.showWhenLocked() {
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
+		setShowWhenLocked(true)
+	} else {
+		window.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED)
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/os/ScreenBrightness.kt

@@ -0,0 +1,24 @@
+package de.markusfisch.android.binaryeye.os
+
+import android.app.Activity
+import android.view.WindowManager
+
+fun Activity.getScreenBrightness(): Float {
+	val layoutParams = window.attributes
+	return if (layoutParams.screenBrightness ==
+		WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
+	) {
+		android.provider.Settings.System.getInt(
+			contentResolver,
+			android.provider.Settings.System.SCREEN_BRIGHTNESS
+		) / 255.0f
+	} else {
+		layoutParams.screenBrightness
+	}
+}
+
+fun Activity.setScreenBrightness(brightness: Float) {
+	val layoutParams = window.attributes
+	layoutParams.screenBrightness = brightness
+	window.attributes = layoutParams
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/os/Vibrator.kt

@@ -4,9 +4,8 @@ import android.content.Context
 import android.os.Build
 import android.os.VibrationEffect
 import android.os.Vibrator
-import de.markusfisch.android.binaryeye.app.prefs
 
-private const val DURATION_IN_MS = 100L
+private const val DURATION_IN_MS = 250L
 
 private val beforeO = Build.VERSION.SDK_INT < Build.VERSION_CODES.O
 private val errorPatternTimings = longArrayOf(
@@ -38,9 +37,7 @@ fun Context.getVibrator(): Vibrator = getSystemService(
 ) as Vibrator
 
 fun Vibrator.vibrate() {
-	if (!prefs.vibrate) {
-		return
-	} else if (beforeO) {
+	if (beforeO) {
 		@Suppress("DEPRECATION")
 		vibrate(DURATION_IN_MS)
 	} else {
@@ -54,9 +51,7 @@ fun Vibrator.vibrate() {
 }
 
 fun Vibrator.error() {
-	if (!prefs.vibrate) {
-		return
-	} else if (beforeO) {
+	if (beforeO) {
 		@Suppress("DEPRECATION")
 		vibrate(errorPatternTimings, -1)
 	} else {

app/src/main/kotlin/de/markusfisch/android/binaryeye/preference/CropHandle.kt

@@ -0,0 +1,49 @@
+package de.markusfisch.android.binaryeye.preference
+
+import android.content.SharedPreferences
+import android.graphics.Point
+import androidx.core.content.edit
+import org.json.JSONObject
+
+fun SharedPreferences.storeCropHandle(
+	name: String,
+	viewWidth: Int,
+	viewHeight: Int,
+	cropHandle: Point
+) {
+	edit {
+		putString(
+			cropHandleKey(name, viewWidth, viewHeight),
+			JSONObject().apply {
+				put("x", cropHandle.x)
+				put("y", cropHandle.y)
+			}.toString()
+		)
+	}
+}
+
+fun SharedPreferences.restoreCropHandle(
+	name: String,
+	viewWidth: Int,
+	viewHeight: Int,
+	default: Point = Point(-2, -2) // -2 means set default roi.
+): Point {
+	val s = getString(
+		cropHandleKey(name, viewWidth, viewHeight), null
+	) ?: return default
+	return try {
+		val json = JSONObject(s)
+		Point(
+			json.getInt("x"),
+			json.getInt("y")
+		)
+	} catch (_: Exception) {
+		return default
+	}
+}
+
+private fun cropHandleKey(
+	name: String,
+	viewWidth: Int,
+	viewHeight: Int
+) = "${name}:${viewWidth}:${viewHeight}"

app/src/main/kotlin/de/markusfisch/android/binaryeye/preference/IgnoreCode.kt

@@ -0,0 +1,75 @@
+package de.markusfisch.android.binaryeye.preference
+
+import org.json.JSONArray
+import org.json.JSONObject
+
+data class IgnoreCode(
+	val pattern: String,
+	val format: String? = null
+) {
+	private val compiledRegex: Regex? by lazy {
+		try {
+			Regex(pattern)
+		} catch (_: Exception) {
+			null
+		}
+	}
+
+	fun matches(content: String, format: String): Boolean =
+		(this.format == null || this.format == format) &&
+				compiledRegex?.containsMatchIn(content) == true
+
+	fun toJson(): JSONObject = JSONObject().apply {
+		put(KEY_PATTERN, pattern)
+		put(KEY_FORMAT, format ?: "")
+	}
+
+	companion object {
+		private const val KEY_PATTERN = "pattern"
+		private const val KEY_FORMAT = "format"
+
+		fun fromJson(obj: JSONObject): IgnoreCode? {
+			val pattern = obj.optString(KEY_PATTERN, "").trim()
+			if (pattern.isEmpty()) {
+				return null
+			}
+			val format = obj.optString(KEY_FORMAT, "").trim()
+			return IgnoreCode(
+				pattern = pattern,
+				format = format.ifEmpty { null }
+			)
+		}
+
+		fun fromJsonArray(json: String): MutableList<IgnoreCode> {
+			val items = ArrayList<IgnoreCode>()
+			val array = try {
+				JSONArray(json)
+			} catch (_: Exception) {
+				JSONArray()
+			}
+			for (i in 0 until array.length()) {
+				when (val item = array.opt(i)) {
+					is String -> {
+						val pattern = item.trim()
+						if (pattern.isNotEmpty()) {
+							items.add(IgnoreCode(pattern))
+						}
+					}
+
+					is JSONObject -> {
+						fromJson(item)?.let { items.add(it) }
+					}
+				}
+			}
+			return items
+		}
+
+		fun toJsonArray(items: List<IgnoreCode>): String {
+			val array = JSONArray()
+			items.forEach { item ->
+				array.put(item.toJson())
+			}
+			return array.toString()
+		}
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/preference/UrlPreference.kt

@@ -1,12 +1,12 @@
 package de.markusfisch.android.binaryeye.preference
 
 import android.content.Context
-import android.support.v7.preference.DialogPreference
 import android.util.AttributeSet
+import androidx.preference.DialogPreference
 import de.markusfisch.android.binaryeye.R
 
 class UrlPreference(
-	context: Context?,
+	context: Context,
 	attrs: AttributeSet?
 ) : DialogPreference(context, attrs) {
 	private var url: String? = null

app/src/main/kotlin/de/markusfisch/android/binaryeye/service/ScanTileService.kt

@@ -1,9 +1,11 @@
 package de.markusfisch.android.binaryeye.service
 
+import android.annotation.SuppressLint
+import android.app.PendingIntent
 import android.content.Intent
 import android.os.Build
 import android.service.quicksettings.TileService
-import android.support.annotation.RequiresApi
+import androidx.annotation.RequiresApi
 import de.markusfisch.android.binaryeye.activity.CameraActivity
 
 @RequiresApi(Build.VERSION_CODES.N)
@@ -12,6 +14,21 @@ class ScanTileService : TileService() {
 		super.onClick()
 		val intent = Intent(applicationContext, CameraActivity::class.java)
 		intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
-		startActivityAndCollapse(intent)
+		// TileService#startActivityAndCollapse(Intent) is only ever run
+		// below UpsideDownCake, but Lint doesn't understand this yet.
+		@SuppressLint("StartActivityAndCollapseDeprecated")
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+			@Suppress("DEPRECATION")
+			startActivityAndCollapse(intent)
+		} else {
+			startActivityAndCollapse(
+				PendingIntent.getActivity(
+					this,
+					0,
+					intent,
+					PendingIntent.FLAG_IMMUTABLE
+				)
+			)
+		}
 	}
 }

app/src/main/kotlin/de/markusfisch/android/binaryeye/text/Escape.kt

@@ -0,0 +1,82 @@
+package de.markusfisch.android.binaryeye.text
+
+/**
+ * Copyright (c) 2000, Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This code is based on Google's own implementation:
+// http://www.java2s.com/example/android-utility-method/string-escape/javascriptunescape-string-s-dc359.html
+fun String.unescape(): String {
+	val len = length
+	var i = 0
+	fun String.expand() = when (val ec = get(i++)) {
+		'n' -> '\n'
+		'r' -> '\r'
+		't' -> '\t'
+		'b' -> '\b'
+		'\\', '\"', '\'', '<', '>', '|' -> ec
+		'0', '1', '2', '3', '4', '5', '6', '7' -> {
+			val limit = if (ec < '4') 3 else 2
+			var l = 1
+			--i // Back to index of first digit.
+			while (l < limit &&
+				i + l < len &&
+				get(i + l) in '0'..'7'
+			) {
+				++l
+			}
+			val from = i
+			i += l
+			substring(from, i).toInt(8).toChar()
+		}
+
+		'x', 'u' -> {
+			val l = if (ec == 'u') 4 else 2
+			val hexCode = try {
+				substring(i, i + l)
+			} catch (_: IndexOutOfBoundsException) {
+				throw IllegalArgumentException(
+					"Invalid unicode sequence [${substring(i)}] at index $i"
+				)
+			}
+			val unicodeValue = try {
+				hexCode.toInt(16)
+			} catch (_: NumberFormatException) {
+				throw IllegalArgumentException(
+					"Invalid unicode sequence [$hexCode] at index $i"
+				)
+			}
+			i += l
+			unicodeValue.toChar()
+		}
+
+		else -> throw IllegalArgumentException(
+			"Unknown escape code [$ec] at index $i"
+		)
+	}
+
+	val sb = StringBuilder()
+	while (i < len) {
+		val ch = get(i++)
+		sb.append(
+			if (ch == '\\' && i < len) {
+				expand()
+			} else {
+				ch
+			}
+		)
+	}
+	return sb.toString()
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/view/ScanFeedback.kt

@@ -0,0 +1,42 @@
+package de.markusfisch.android.binaryeye.view
+
+import android.content.Context
+import android.media.AudioManager
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.media.beepConfirm
+import de.markusfisch.android.binaryeye.media.beepError
+import de.markusfisch.android.binaryeye.os.error
+import de.markusfisch.android.binaryeye.os.getVibrator
+import de.markusfisch.android.binaryeye.os.vibrate
+
+fun Context.scanFeedback() {
+	if (prefs.vibrate) {
+		getVibrator().vibrate()
+	}
+	if (prefs.beep && !isSilent()) {
+		beepConfirm()
+	}
+}
+
+fun Context.errorFeedback() {
+	if (prefs.vibrate) {
+		getVibrator().error()
+	}
+	if (prefs.beep && !isSilent()) {
+		beepError()
+	}
+}
+
+private fun Context.isSilent(): Boolean {
+	val am = getSystemService(Context.AUDIO_SERVICE) as AudioManager
+	return if (prefs.beepStream() == AudioManager.STREAM_MUSIC) {
+		am.getStreamVolume(AudioManager.STREAM_MUSIC) == 0
+	} else {
+		when (am.ringerMode) {
+			AudioManager.RINGER_MODE_SILENT,
+			AudioManager.RINGER_MODE_VIBRATE -> true
+
+			else -> false
+		}
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/view/SystemBars.kt

@@ -2,15 +2,18 @@ package de.markusfisch.android.binaryeye.view
 
 import android.content.Context
 import android.content.ContextWrapper
-import android.graphics.drawable.ColorDrawable
+import android.graphics.Color
 import android.os.Build
-import android.support.v4.content.ContextCompat
-import android.support.v7.app.AppCompatActivity
-import android.support.v7.widget.LinearLayoutManager
-import android.support.v7.widget.RecyclerView
 import android.view.View
 import android.view.WindowManager
 import android.widget.AbsListView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
+import androidx.core.graphics.ColorUtils
+import androidx.core.graphics.drawable.toDrawable
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.color.MaterialColors
 import de.markusfisch.android.binaryeye.R
 
 val systemBarListViewScrollListener = object : AbsListView.OnScrollListener {
@@ -25,7 +28,8 @@ val systemBarListViewScrollListener = object : AbsListView.OnScrollListener {
 		view.post {
 			val scrolled = firstVisibleItem > 0 ||
 					(totalItemCount > 0 && firstChildScrolled(view))
-			val scrollable = scrolled || totalItemCount > 0 && lastChildOutOfView(view)
+			val scrollable = scrolled ||
+					totalItemCount > 0 && lastChildOutOfView(view)
 			colorSystemAndToolBars(view.context, scrolled, scrollable)
 		}
 	}
@@ -37,9 +41,11 @@ val systemBarListViewScrollListener = object : AbsListView.OnScrollListener {
 val systemBarRecyclerViewScrollListener = object : RecyclerView.OnScrollListener() {
 	override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
 		val layoutManager = recyclerView.layoutManager as LinearLayoutManager
-		val scrolled = layoutManager.findFirstCompletelyVisibleItemPosition() != 0
-		val scrollable = scrolled || layoutManager.findLastVisibleItemPosition() <
-				recyclerView.adapter.itemCount - 1
+		val scrolled =
+			layoutManager.findFirstCompletelyVisibleItemPosition() != 0
+		val scrollable = scrolled ||
+				layoutManager.findLastVisibleItemPosition() <
+				(recyclerView.adapter?.itemCount ?: 0) - 1
 		colorSystemAndToolBars(recyclerView.context, scrolled, scrollable)
 	}
 
@@ -57,19 +63,25 @@ private fun lastChildOutOfView(listView: AbsListView): Boolean {
 	return child != null && child.bottom >= listView.height
 }
 
-fun initSystemBars(activity: AppCompatActivity) {
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-		// Keeps the soft keyboard from repositioning the layout.
-		val window = activity.window
-		window.setSoftInputMode(
-			WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
-		)
-		window.decorView.systemUiVisibility =
-			View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
-					View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
-					View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-	}
-	colorSystemAndToolBars(activity)
+fun AppCompatActivity.initBars() {
+	// Keeps the soft keyboard from repositioning the layout.
+	window.setSoftInputMode(
+		WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
+	)
+	window.decorView.systemUiVisibility =
+		View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+				View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+				View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+	colorSystemAndToolBars(this)
+	setPaddingFromWindowInsets(
+		findViewById(R.id.main),
+		(findViewById(R.id.toolbar) as Toolbar).apply {
+			setSupportActionBar(this)
+		},
+		findViewById<View>(R.id.navbar)?.apply {
+			setBackgroundColor(getTranslucentPrimaryColor(this@initBars))
+		}
+	)
 }
 
 private var statusBarColorLocked = false
@@ -81,42 +93,49 @@ fun unlockStatusBarColor() {
 	statusBarColorLocked = false
 }
 
-private var translucentPrimaryColor = 0
-private val actionBarBackground = ColorDrawable()
+private fun getTranslucentPrimaryColor(context: Context): Int {
+	return ColorUtils.setAlphaComponent(
+		MaterialColors.getColor(
+			context,
+			com.google.android.material.R.attr.colorSurfaceContainerHigh,
+			Color.BLACK
+		),
+		0xd8
+	)
+}
+
 fun colorSystemAndToolBars(
 	context: Context,
 	scrolled: Boolean = false,
 	scrollable: Boolean = false
 ) {
-	if (translucentPrimaryColor == 0) {
-		translucentPrimaryColor = ContextCompat.getColor(
-			context,
-			R.color.primary_translucent
-		)
-	}
+	val translucentPrimaryColor = getTranslucentPrimaryColor(context)
 	val topColor = if (scrolled) translucentPrimaryColor else 0
 	val activity = getAppCompatActivity(context) ?: return
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+	// System bars no longer have a background from SDK35+.
+	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.VANILLA_ICE_CREAM) {
 		val window = activity.window
 		if (!statusBarColorLocked) {
+			@Suppress("DEPRECATION")
 			window.statusBarColor = topColor
 		}
+		@Suppress("DEPRECATION")
 		window.navigationBarColor = if (scrolled || scrollable) {
 			translucentPrimaryColor
 		} else {
 			0
 		}
-	}
-	activity.supportActionBar?.setBackgroundDrawable(
-		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-			// Avoid allocation on Honeycomb and better.
-			actionBarBackground.color = topColor
-			actionBarBackground
-		} else {
-			// ColorDrawable.setColor() doesn't exist pre Honeycomb.
-			ColorDrawable(topColor)
+	} else {
+		activity.findViewById<View>(R.id.navbar)?.apply {
+			visibility = if (scrolled || scrollable) {
+				View.VISIBLE
+			} else {
+				View.GONE
+			}
+			setBackgroundColor(translucentPrimaryColor)
 		}
-	)
+	}
+	activity.supportActionBar?.setBackgroundDrawable(topColor.toDrawable())
 }
 
 private fun getAppCompatActivity(context: Context): AppCompatActivity? {