Advance version number to 1.11.0

* Ignoring case on SMS and TEL actions
* Added VCard action
* Added VEvent action
* Added abstract VTypeParser

CHANGELOG.md

@@ -1,5 +1,78 @@
 # Change Log
 
+# 1.11.0
+* Add support for VCard and VEvent barcodes contents
+* Generated barcodes are now zoomable
+* Fix creating PDF417 barcodes
+
+## 1.10.0
+* Add support for special barcode contents (WiFi, SMS, phone, E-mail)
+* Add Indonesian translation
+* Update Hungarian translation
+* Make system bars completely transparent
+
+## 1.9.1
+* Pick search engine for content that is not an URL
+
+## 1.9.0
+* Try Google when opening content as URL fails
+* Show generic error message if barcode generation fails
+
+## 1.8.1
+* Distribute APK instead of App Bundle
+
+## 1.8.0
+* Save binary data into external file
+* Fix storage of binary data
+* Remove horizontal orientation line from scanner
+
+## 1.7.3
+* Fix crashes on Lineage and remove RenderScript fallback
+* Improve handling of binary data
+
+## 1.7.2
+* Add a fallback for RenderScript
+* Add italian translation
+
+## 1.7.1
+* Fix support for 64 bit architectures
+
+## 1.7.0
+* Pick list separator on sharing history listing
+* Update Hungarian translation
+
+## 1.6.0
+* Share history listing as plain text
+* Add separator line between history items
+* Add content description for floating action buttons
+
+## 1.5.1
+* Fix generating hex dump
+
+## 1.5.0
+* Show a hex dump of decoded contents
+* Fix processing text from share menu
+* Add French translation
+
+## 1.4.3
+* Fix broken history listing
+
+## 1.4.2
+* Show barcode type and content length after decoding
+
+## 1.4.1
+* Toggle availability of torch mode button according to camera features
+
+## 1.4.0
+* Save scanned codes and show a history listing
+* Share generated barcodes
+* Add scanning from a shared image
+* Add menu item to switch between camera front/back camera
+* Add dutch and hungarian translation
+
+## 1.3.8
+* Qualify for F-Droid
+
 ## 1.3.7
 * Normalize URL schemes
 

CONTRIBUTING.md

@@ -0,0 +1,20 @@
+# Contribution Guidelines
+
+Please try to keep things in good shape and comply to what's there.
+
+This project follows Android [best practices][android_best_practices]
+so please have a look if you've never heard of them.
+
+The code is formatted according to Android Studio's standard, with the
+exception of indent being tabs instead of spaces.
+
+Use the feature branch workflow to add new features and make sure
+to squash when merging into master:
+
+	$ git merge cool_feature --squash
+
+Then write a [good commit messages][commit_messages] to keep the history
+meaningful and useful. One feature, one commit.
+
+[android_best_practices]: https://developer.android.com/distribute/best-practices/develop/
+[commit_messages]: https://juffalow.com/other/write-good-git-commit-message

Makefile

@@ -1,5 +1,4 @@
 PACKAGE = de.markusfisch.android.binaryeye
-APK = app/build/outputs/apk/debug/app-debug.apk
 
 all: debug install start
 
@@ -7,11 +6,10 @@ debug:
 	./gradlew assembleDebug
 
 release: lint
-	@./gradlew assembleRelease \
-		-Pandroid.injected.signing.store.file=$(ANDROID_KEYFILE) \
-		-Pandroid.injected.signing.store.password=$(ANDROID_STORE_PASSWORD) \
-		-Pandroid.injected.signing.key.alias=$(ANDROID_KEY_ALIAS) \
-		-Pandroid.injected.signing.key.password=$(ANDROID_KEY_PASSWORD)
+	./gradlew assembleRelease
+
+bundle: lint
+	./gradlew bundleRelease
 
 lint:
 	./gradlew lintDebug
@@ -23,10 +21,10 @@ infer: clean
 	infer -- ./gradlew assembleDebug
 
 test:
-	./gradlew cAT
+	./gradlew test cAT
 
 install:
-	adb $(TARGET) install -r $(APK)
+	adb $(TARGET) install -r app/build/outputs/apk/debug/app-debug.apk
 
 start:
 	adb $(TARGET) shell 'am start -n \

README.md

@@ -9,9 +9,9 @@ Unlike many others it works in portrait and landscape orientation, can read
 inverted codes, uses Material Design and doesn't do anything else but decoding
 a barcode.
 
-<a href="https://play.google.com/store/apps/details?id=de.markusfisch.android.binaryeye"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/images/apps/en-play-badge.png" height="45px"/></a>
+<a href="https://f-droid.org/en/packages/de.markusfisch.android.binaryeye/"><img alt="Get it on F-Droid" src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" height="80"/></a> <a href="https://play.google.com/store/apps/details?id=de.markusfisch.android.binaryeye"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png" height="80"/></a>
 
-And it's written in [Kotlin][kotlin] because I've wanted to explore that a
+And it's written in [Kotlin][kotlin] because I wanted to explore that a
 bit more.
 
 [play]: https://play.google.com/store/search?q=barcode%20scanner&c=apps

app/build.gradle

@@ -1,10 +1,5 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'net.ltgt.errorprone'
-
-configurations.errorprone {
-	resolutionStrategy.force 'com.google.errorprone:error_prone_core:2.0.19'
-}
 
 android {
 	compileSdkVersion sdk_version
@@ -14,19 +9,31 @@ android {
 		minSdkVersion 9
 		targetSdkVersion sdk_version
 
-		versionCode 13
-		versionName '1.3.7'
+		versionCode 31
+		versionName '1.11.0'
 
 		// it's recommended to set this value to the lowest API level
 		// able to provide all the functionality
-		renderscriptTargetApi 18
+		renderscriptTargetApi 24
 		renderscriptSupportModeEnabled true
 
 		testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
 	}
 
+	signingConfigs {
+		config {
+			keyAlias System.getenv('ANDROID_KEY_ALIAS')
+			keyPassword System.getenv('ANDROID_KEY_PASSWORD')
+			storePassword System.getenv('ANDROID_STORE_PASSWORD')
+			def filePath = System.getenv('ANDROID_KEYFILE')
+			storeFile filePath ? file(filePath) : null
+		}
+	}
+
 	sourceSets {
+		main.java.srcDirs += 'src/main/kotlin'
 		androidTest.java.srcDirs += 'src/androidTest/kotlin'
+		test.java.srcDirs += 'src/test/kotlin'
 	}
 
 	buildTypes {
@@ -35,11 +42,10 @@ android {
 		}
 
 		release {
-			proguardFiles \
-				getDefaultProguardFile('proguard-android.txt'), \
-				'proguard-rules.pro'
+			proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
 			minifyEnabled true
 			shrinkResources true
+			signingConfig signingConfigs.config
 		}
 	}
 
@@ -60,8 +66,11 @@ dependencies {
 	}
 	testImplementation 'junit:junit:4.12'
 
-	implementation fileTree(dir: 'libs', include: '*')
 	implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+	implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.0.1"
 	implementation "com.android.support:appcompat-v7:$support_version"
 	implementation "com.android.support:design:$support_version"
+	implementation 'com.google.zxing:core:3.4.0'
+	implementation 'com.github.markusfisch:CameraView:1.8.3'
+	implementation 'com.github.markusfisch:ScalingImageView:1.1.3'
 }

app/src/main/AndroidManifest.xml

@@ -7,10 +7,14 @@
 		android:xlargeScreens="true"/>
 	<uses-permission android:name="android.permission.CAMERA"/>
 	<uses-permission android:name="android.permission.VIBRATE"/>
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
+	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 	<uses-feature android:name="android.hardware.camera"/>
 	<uses-feature android:name="android.hardware.camera.autofocus"/>
 	<application
 		tools:ignore="UnusedAttribute"
+		android:name=".app.BinaryEyeApp"
 		android:allowBackup="true"
 		android:fullBackupContent="true"
 		android:supportsRtl="true"
@@ -34,6 +38,11 @@
 				<category android:name="android.intent.category.DEFAULT"/>
 				<data android:mimeType="text/plain"/>
 			</intent-filter>
+			<intent-filter android:label="@string/decode_barcode">
+				<action android:name="android.intent.action.SEND"/>
+				<category android:name="android.intent.category.DEFAULT"/>
+				<data android:mimeType="image/*"/>
+			</intent-filter>
 			<intent-filter>
 				<action android:name="com.google.zxing.client.android.SCAN"/>
 				<category android:name="android.intent.category.DEFAULT"/>
@@ -51,5 +60,14 @@
 		<activity
 			android:name=".activity.MainActivity"
 			android:label="@string/app_name"/>
+		<provider
+			android:name="android.support.v4.content.FileProvider"
+			android:authorities="${applicationId}.provider"
+			android:exported="false"
+			android:grantUriPermissions="true">
+			<meta-data
+				android:name="android.support.FILE_PROVIDER_PATHS"
+				android:resource="@xml/file_paths"/>
+		</provider>
 	</application>
 </manifest>

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

@@ -0,0 +1,18 @@
+package de.markusfisch.android.binaryeye.actions
+
+import de.markusfisch.android.binaryeye.actions.mail.MailAction
+import de.markusfisch.android.binaryeye.actions.sms.SmsAction
+import de.markusfisch.android.binaryeye.actions.tel.TelAction
+import de.markusfisch.android.binaryeye.actions.vtype.vcard.VCardAction
+import de.markusfisch.android.binaryeye.actions.vtype.vevent.VEventAction
+import de.markusfisch.android.binaryeye.actions.wifi.WifiAction
+
+object ActionRegistry {
+	val REGISTRY: Set<IAction> = setOf(
+		MailAction, SmsAction, TelAction, VCardAction, VEventAction, WifiAction
+	)
+
+	fun getAction(data: ByteArray): IAction? = REGISTRY.find {
+		it.canExecuteOn(data)
+	}
+}

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

@@ -0,0 +1,37 @@
+package de.markusfisch.android.binaryeye.actions
+
+import de.markusfisch.android.binaryeye.app.execShareIntent
+
+import android.content.Context
+import android.content.Intent
+import android.widget.Toast
+
+interface IAction {
+	val iconResId: Int
+	val titleResId: Int
+
+	fun canExecuteOn(data: ByteArray): Boolean
+	fun execute(context: Context, data: ByteArray)
+}
+
+abstract class SimpleIntentIAction : IAction {
+	abstract val errorMsg: Int
+
+	final override fun execute(context: Context, data: ByteArray) {
+		val intent =
+			executeForIntent(context, data) ?: return Toast.makeText(
+				context,
+				errorMsg,
+				Toast.LENGTH_LONG
+			).show()
+		execShareIntent(context, intent)
+	}
+
+	abstract fun executeForIntent(context: Context, data: ByteArray): Intent?
+}
+
+fun IAction?.validateOrGetNew(data: ByteArray): IAction? {
+	return this?.takeIf {
+		canExecuteOn(data)
+	} ?: ActionRegistry.getAction(data)
+}

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

@@ -0,0 +1,31 @@
+package de.markusfisch.android.binaryeye.actions.mail
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.SimpleIntentIAction
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+
+object MailAction : SimpleIntentIAction() {
+	private val mailRegex =
+		"""^mail(?:to)?:([\w.%+-]+@[A-Za-z\d.-]+\.[A-Za-z]{2,6}(?:[?&](?:subject|body)=[\S\s]*?){0,2})$""".toRegex()
+
+	override val iconResId: Int = R.drawable.ic_action_mail
+	override val titleResId: Int = R.string.mail_send
+	override val errorMsg: Int = R.string.mail_error
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return String(data).matches(mailRegex)
+	}
+
+	override fun executeForIntent(context: Context, data: ByteArray): Intent? {
+		val mailWithMessage = mailRegex.matchEntire(
+			String(data)
+		)?.groupValues?.get(1) ?: return null
+		return Intent(
+			Intent.ACTION_SENDTO,
+			Uri.parse("mailto:$mailWithMessage")
+		)
+	}
+}

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

@@ -0,0 +1,34 @@
+package de.markusfisch.android.binaryeye.actions.sms
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.SimpleIntentIAction
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+
+object SmsAction : SimpleIntentIAction() {
+	private val smsRegex = """^sms(?:to)?:(\+?[0-9]+)(?::([\S\s]*))?$""".toRegex(RegexOption.IGNORE_CASE)
+
+	override val iconResId: Int = R.drawable.ic_action_sms
+	override val titleResId: Int = R.string.sms_send
+	override val errorMsg: Int = R.string.sms_error
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return String(data).matches(smsRegex)
+	}
+
+	override fun executeForIntent(context: Context, data: ByteArray): Intent? {
+		val (number: String, message: String) = smsRegex.matchEntire(
+			String(data)
+		)?.let {
+			it.groupValues[1] to it.groupValues[2]
+		} ?: return null
+		return Intent(
+			Intent.ACTION_SENDTO,
+			Uri.parse("smsto:$number")
+		).apply {
+			if (message.isNotEmpty()) putExtra("sms_body", message)
+		}
+	}
+}

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

@@ -0,0 +1,24 @@
+package de.markusfisch.android.binaryeye.actions.tel
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.SimpleIntentIAction
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+
+object TelAction : SimpleIntentIAction() {
+	private val telRegex = """^tel:(\+?[0-9]+)$""".toRegex(RegexOption.IGNORE_CASE)
+
+	override val iconResId: Int = R.drawable.ic_action_tel
+	override val titleResId: Int = R.string.tel_dial
+	override val errorMsg: Int = R.string.tel_error
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return String(data).matches(telRegex)
+	}
+
+	override fun executeForIntent(context: Context, data: ByteArray): Intent {
+		return Intent(Intent.ACTION_DIAL, Uri.parse(String(data)))
+	}
+}

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

@@ -0,0 +1,29 @@
+package de.markusfisch.android.binaryeye.actions.vtype
+
+object VTypeParser {
+	private val vTypeRegex =
+		"""^BEGIN:(VCARD|VEVENT)(?:\R.+?:[\s\S]+?)+?\REND:\1\R?$""".toRegex(RegexOption.IGNORE_CASE)
+	private val propertyRegex = """^(.+?):([\s\S]*?)$""".toRegex(RegexOption.MULTILINE)
+
+	fun parseVType(data: String): String? = vTypeRegex.matchEntire(data)?.groupValues?.get(1)?.toUpperCase()
+
+	fun parseMap(data: String): Map<String, List<VTypeProperty>> = propertyRegex.findAll(data).map {
+		it.groupValues[1].split(';').let { typeAndInfo ->
+			typeAndInfo[0] to VTypeProperty(typeAndInfo.drop(1), it.groupValues[2])
+		}
+	}.groupBy({ it.first.toUpperCase() }) { it.second }
+}
+
+data class VTypeProperty(
+	val info: List<String>,
+	val value: String
+) {
+	val firstTypeOrFirstInfo: String?
+		get() = this.info.find { it.startsWith("TYPE=", true) }?.let {
+			typeRegex.matchEntire(it)?.groupValues?.get(1)
+		} ?: this.info.firstOrNull()
+
+	companion object {
+		private val typeRegex = """^(?:TYPE=)(.+?)[:;]?.*$""".toRegex(RegexOption.IGNORE_CASE)
+	}
+}

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

@@ -0,0 +1,172 @@
+package de.markusfisch.android.binaryeye.actions.vtype.vcard
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.SimpleIntentIAction
+import de.markusfisch.android.binaryeye.actions.vtype.VTypeParser
+
+import android.content.ContentValues
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.provider.ContactsContract
+
+import java.util.Date
+
+object VCardAction : SimpleIntentIAction() {
+	override val iconResId: Int
+		get() = R.drawable.ic_action_vcard
+	override val titleResId: Int
+		get() = R.string.vcard_add
+	override val errorMsg: Int
+		get() = R.string.vcard_failed
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return VTypeParser.parseVType(String(data)) == "VCARD"
+	}
+
+	override fun executeForIntent(context: Context, data: ByteArray): Intent? {
+		val info = VTypeParser.parseMap(String(data))
+
+		return Intent(Intent.ACTION_INSERT_OR_EDIT).apply {
+			type = ContactsContract.Contacts.CONTENT_ITEM_TYPE
+			info["FN"]?.singleOrNull()?.also { name ->
+				putExtra(ContactsContract.Intents.Insert.NAME, name.value)
+			} ?: info["N"]?.singleOrNull()?.also { name ->
+				putExtra(ContactsContract.Intents.Insert.NAME, name.value.nameFormat)
+			}
+			info["TEL"]?.filter { it.value.isNotEmpty() }?.forEachIndexed { index, phoneProperty ->
+				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 {
+					it.phoneType?.also { phoneType ->
+						putExtra(extraPhoneType, phoneType)
+					} ?: putExtra(extraPhoneType, it)
+				}
+				putExtra(extraPhone, phoneProperty.value.toLowerCase().removePrefix("tel:"))
+			}
+			info["EMAIL"]?.forEachIndexed { index, mailProperty ->
+				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 {
+					it.mailType?.also { mailType ->
+						putExtra(extraMailType, mailType)
+					} ?: putExtra(extraMailType, it)
+				}
+				putExtra(extraMail, mailProperty.value)
+			}
+			info["ORG"]?.singleOrNull()?.also { organization ->
+				putExtra(ContactsContract.Intents.Insert.COMPANY, organization.value)
+			}
+			info["TITLE"]?.singleOrNull()?.also { jobTitle ->
+				putExtra(ContactsContract.Intents.Insert.JOB_TITLE, jobTitle.value)
+			}
+			info["ADR"]?.forEach { addr ->
+				addr.firstTypeOrFirstInfo?.also {
+					it.addressType?.also { addressType ->
+						putExtra(ContactsContract.Intents.Insert.POSTAL_TYPE, addressType)
+					} ?: putExtra(ContactsContract.Intents.Insert.POSTAL_TYPE, it)
+				}
+				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 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())
+				)
+			}
+		}
+	}
+
+	private val String.locationFormat: String
+		get() = """^([^;]*?);([^;]*?);([^;]*?);([^;]*?);([^;]*?);([^;]*?);([^;]*?)$""".toRegex().matchEntire(this)?.groupValues?.let {
+			listOf(it[1], it[2], it[3], "${it[4]} ${it[6]}", "${it[5]} ${it[7]}").filter { line -> line.isNotBlank() }
+				.joinToString("\n").takeIf { location -> location.isNotBlank() }
+		} ?: this
+
+	private val String.nameFormat: String
+		get() = """^([^;]*?);([^;]*?);([^;]*?);([^;]*?);([^;]*?)$""".toRegex().matchEntire(this)?.groupValues?.let {
+			listOf(it[4], it[2], it[3], it[1], it[5]).joinToString(" ").takeIf { name -> name.isNotBlank() }
+		} ?: this
+
+	private val String.mailType: Int?
+		get() = when (this.toUpperCase()) {
+			"HOME" -> ContactsContract.CommonDataKinds.Email.TYPE_HOME
+			"WORK" -> ContactsContract.CommonDataKinds.Email.TYPE_WORK
+			"OTHER" -> ContactsContract.CommonDataKinds.Email.TYPE_OTHER
+			"MOBILE" -> ContactsContract.CommonDataKinds.Email.TYPE_MOBILE
+			else -> null
+		}
+
+	private val String.phoneType: Int?
+		get() = when (this.toUpperCase()) {
+			"HOME" -> ContactsContract.CommonDataKinds.Phone.TYPE_HOME
+			"MOBILE", "CELL" -> ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE
+			"WORK" -> ContactsContract.CommonDataKinds.Phone.TYPE_WORK
+			"FAX_WORK" -> ContactsContract.CommonDataKinds.Phone.TYPE_FAX_WORK
+			"FAX_HOME" -> ContactsContract.CommonDataKinds.Phone.TYPE_FAX_HOME
+			"PAGER" -> ContactsContract.CommonDataKinds.Phone.TYPE_PAGER
+			"OTHER" -> ContactsContract.CommonDataKinds.Phone.TYPE_OTHER
+			"CALLBACK" -> ContactsContract.CommonDataKinds.Phone.TYPE_CALLBACK
+			"CAR" -> ContactsContract.CommonDataKinds.Phone.TYPE_CAR
+			"COMPANY_MAIN" -> ContactsContract.CommonDataKinds.Phone.TYPE_COMPANY_MAIN
+			"ISDN" -> ContactsContract.CommonDataKinds.Phone.TYPE_ISDN
+			"MAIN" -> ContactsContract.CommonDataKinds.Phone.TYPE_MAIN
+			"OTHER_FAX" -> ContactsContract.CommonDataKinds.Phone.TYPE_OTHER_FAX
+			"RADIO" -> ContactsContract.CommonDataKinds.Phone.TYPE_RADIO
+			"TELEX" -> ContactsContract.CommonDataKinds.Phone.TYPE_TELEX
+			"TTY_TDD" -> ContactsContract.CommonDataKinds.Phone.TYPE_TTY_TDD
+			"WORK_MOBILE" -> ContactsContract.CommonDataKinds.Phone.TYPE_WORK_MOBILE
+			"WORK_PAGER" -> ContactsContract.CommonDataKinds.Phone.TYPE_WORK_PAGER
+			"ASSISTANT" -> ContactsContract.CommonDataKinds.Phone.TYPE_ASSISTANT
+			"MMS" -> ContactsContract.CommonDataKinds.Phone.TYPE_MMS
+			else -> null
+		}
+
+	private val String.addressType: Int?
+		get() = when (this.toUpperCase()) {
+			"HOME" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_HOME
+			"WORK" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_WORK
+			"OTHER" -> ContactsContract.CommonDataKinds.StructuredPostal.TYPE_OTHER
+			else -> null
+		}
+}

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

@@ -0,0 +1,80 @@
+package de.markusfisch.android.binaryeye.actions.vtype.vevent
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.SimpleIntentIAction
+import de.markusfisch.android.binaryeye.actions.vtype.VTypeParser
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.provider.CalendarContract
+import android.support.annotation.RequiresApi
+
+import java.text.SimpleDateFormat
+import java.util.Date
+
+object VEventAction : SimpleIntentIAction() {
+	override val iconResId: Int
+		get() = R.drawable.ic_action_vevent
+	override val titleResId: Int
+		get() = R.string.vevent_add
+	override val errorMsg: Int
+		get() = R.string.vevent_failed
+
+	override fun canExecuteOn(data: ByteArray): Boolean {
+		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH
+				&& VTypeParser.parseVType(String(data)) == "VEVENT"
+	}
+
+	@RequiresApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
+	override fun executeForIntent(context: Context, data: ByteArray): Intent? {
+		val info = VTypeParser.parseMap(String(data))
+
+		return Intent(Intent.ACTION_EDIT).apply {
+			type = "vnd.android.cursor.item/event"
+			info["SUMMARY"]?.singleOrNull()?.also { title ->
+				putExtra(CalendarContract.Events.TITLE, title.value)
+			}
+			info["DESCRIPTION"]?.singleOrNull()?.also { description ->
+				putExtra(CalendarContract.Events.DESCRIPTION, description.value)
+			}
+			info["LOCATION"]?.singleOrNull()?.also { location ->
+				putExtra(CalendarContract.Events.EVENT_LOCATION, location.value)
+			}
+			info["DTSTART"]?.singleOrNull()?.also { eventStart ->
+				dateFormats.simpleFindParse(eventStart.value)?.also {
+					putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, it.time)
+				}
+			}
+			info["DTEND"]?.singleOrNull()?.also { eventEnd ->
+				dateFormats.simpleFindParse(eventEnd.value)?.also {
+					putExtra(CalendarContract.EXTRA_EVENT_END_TIME, it.time)
+				}
+			}
+		}
+	}
+
+	@SuppressLint("SimpleDateFormat") // we definitely don't wan't the local format
+	private val dateFormats = listOf(
+		SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"),
+		SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"),
+		SimpleDateFormat("yyyyMMdd'T'HHmmss'Z'"),
+		SimpleDateFormat("yyyyMMdd'T'HHmmss"),
+		SimpleDateFormat("yyyy-MM-dd"),
+		SimpleDateFormat("yyyyMMdd")
+	)
+
+	private fun List<SimpleDateFormat>.simpleFindParse(data: String): Date? {
+		for (simpleDataFormat in this) {
+			return simpleDataFormat.simpleParse(data) ?: continue
+		}
+		return null
+	}
+
+	private fun SimpleDateFormat.simpleParse(data: String): Date? = try {
+		this.parse(data)
+	} catch (e: Exception) {
+		null
+	}
+}

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

@@ -0,0 +1,97 @@
+package de.markusfisch.android.binaryeye.actions.wifi
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.IAction
+
+import android.content.Context
+import android.content.Context.WIFI_SERVICE
+import android.net.wifi.WifiConfiguration
+import android.net.wifi.WifiManager
+import android.widget.Toast
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+object WifiAction : IAction {
+	override val iconResId = R.drawable.ic_action_wifi
+	override val titleResId = R.string.connect_to_wifi
+
+	override fun canExecuteOn(data: ByteArray): Boolean =
+		WifiConfigurationFactory.parse(String(data)) != null
+
+	override fun execute(context: Context, data: ByteArray) {
+		CoroutineScope(Dispatchers.IO).launch {
+			val wifiConfig = WifiConfigurationFactory.parse(
+				String(data)
+			) ?: return@launch
+			val wifiManager = context.applicationContext.getSystemService(
+				WIFI_SERVICE
+			) as WifiManager
+
+			wifiManager.enableWifi(context)
+			wifiManager.mayRemoveOldNetwork(wifiConfig)
+			wifiManager.enableNewNetwork(wifiConfig)
+			withContext(Dispatchers.Main) {
+				Toast.makeText(
+					context,
+					R.string.wifi_added,
+					Toast.LENGTH_LONG
+				).show()
+			}
+		}
+	}
+
+	private suspend fun WifiManager.enableWifi(context: Context): Boolean {
+		if (!this.isWifiEnabled) {
+			if (!this.setWifiEnabled(true)) {
+				withContext(Dispatchers.Main) {
+					Toast.makeText(
+						context,
+						R.string.wifi_config_failed,
+						Toast.LENGTH_LONG
+					).show()
+				}
+				return false
+			}
+			var i = 0
+			while (!this.isWifiEnabled) {
+				if (i >= 10) {
+					withContext(Dispatchers.Main) {
+						Toast.makeText(
+							context,
+							R.string.wifi_config_failed,
+							Toast.LENGTH_LONG
+						).show()
+					}
+					return false
+				}
+				delay(1000)
+				i++
+			}
+		}
+		return true
+	}
+
+	private suspend fun WifiManager.mayRemoveOldNetwork(
+		wifiConfig: WifiConfiguration
+	) {
+		configuredNetworks?.firstOrNull {
+			it.SSID == wifiConfig.SSID &&
+					it.allowedKeyManagement == wifiConfig.allowedKeyManagement
+		}?.networkId?.also {
+			removeNetwork(it)
+		}
+	}
+
+	private suspend fun WifiManager.enableNewNetwork(
+		wifiConfig: WifiConfiguration
+	) {
+		val id = addNetwork(wifiConfig)
+		disconnect()
+		enableNetwork(id, true)
+		reconnect()
+	}
+}

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

@@ -0,0 +1,209 @@
+package de.markusfisch.android.binaryeye.actions.wifi
+
+import android.net.wifi.WifiConfiguration
+import android.net.wifi.WifiEnterpriseConfig
+import android.os.Build
+
+/**
+ * Normal:
+ * WIFI:S:[network SSID];T:<WPA|WEP|nopass|>;P:[network password];H:<true|false|>;;
+ *
+ * WPA2 enterprise (EAP):
+ * WIFI:S:[network SSID];T:WPA2-EAP;H:<true|false|nopass|>;E:[EAP method];PH2:[Phase 2 method];AI:[anonymous identity];I:[identity];P:[password];;
+ *
+ * EPA methods:
+ *      "AKA",      "AKA_PRIME",
+ *      "NONE",     "PEAP",
+ *      "PWD",      "SIM",
+ *      "TLS",      "TTLS",
+ *      "UNAUTH_TLS"
+ * https://developer.android.com/reference/android/net/wifi/WifiEnterpriseConfig.Eap.html
+ *
+ * Phase 2 methods:
+ *      "AKA",      "AKA_PRIME",
+ *      "GTC",      "MSCHAP",
+ *      "MSCHAPV2", "NONE",
+ *      "PAP",      "SIM"
+ * https://developer.android.com/reference/android/net/wifi/WifiEnterpriseConfig.Phase2.html
+ *
+ * The fields can appear in any order. Only "S:" is required.
+ */
+object WifiConfigurationFactory {
+	fun parse(input: String): WifiConfiguration? {
+		val inputMap = parseMap(input) ?: return null
+		val parsedData = SimpleDataAccessor.of(inputMap) ?: return null
+		return WifiConfiguration().apply(parsedData)
+	}
+
+	internal fun parseMap(string: String): Map<String, String>? {
+		// normally those codes should have the last semicolon, but many
+		// generators don't add it
+		val wifiRegex = """^WIFI:((?:.+?:(?:[^\\;]|\\.)*;)+);?$""".toRegex()
+		// should be: ^(.+):((?:[^\\;,":]|\\.)*);$ but allows unescaped , "
+		// and : because many qr creator doesn't escape
+		val pairRegex = """(.+?):((?:[^\\;]|\\.)*);""".toRegex()
+
+		return wifiRegex.matchEntire(
+			string
+		)?.groupValues?.get(1)?.let { pairs ->
+			pairRegex.findAll(pairs).map { pair ->
+				pair.groupValues[1].toUpperCase() to pair.groupValues[2]
+			}.toMap()
+		}
+	}
+
+	internal class SimpleDataAccessor private constructor(
+		private val inputMap: Map<String, String>
+	) {
+		private val hexRegex = """^[0-9a-f]+$""".toRegex(
+			RegexOption.IGNORE_CASE
+		)
+		// keep possibility of wrongly not escaped \ by explicitly searching
+		// for special chars
+		private val escapedRegex = """\\([\\;,":])""".toRegex()
+
+		// this should be private but because of testing it isn't possible
+		internal val ssid: String
+			get() = inputMap.getValue("S").quotedUnlessHex.unescaped
+		internal val securityType: String
+			get() = inputMap["T"]?.unescaped ?: ""
+		internal val password: String?
+			get() = inputMap["P"]?.quotedUnlessHex?.unescaped
+		internal val hidden: Boolean
+			get() = inputMap["H"]?.unescaped == "true"
+		internal val anonymousIdentity: String
+			get() = inputMap["AI"]?.unescaped ?: ""
+		internal val identity: String
+			get() = inputMap["I"]?.unescaped ?: ""
+		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 }
+				"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 }
+				"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"]) {
+				"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 }
+				"SIM" -> requireSdk(Build.VERSION_CODES.O) { WifiEnterpriseConfig.Phase2.SIM }
+				else -> null
+			}
+
+		private val String.unescaped: String
+			get() = this.replace(escapedRegex) { escaped ->
+				escaped.groupValues[1]
+			}
+
+		private val String.quotedUnlessHex: String
+			get() = if (matches(hexRegex) || (startsWith("\"") &&
+						endsWith("\""))
+			) this else "\"$this\""
+
+		internal companion object {
+			internal fun of(inputMap: Map<String, String>): SimpleDataAccessor? {
+				return SimpleDataAccessor(inputMap).takeUnless {
+					inputMap["S"].isNullOrEmpty()
+				}
+			}
+		}
+	}
+
+	private fun WifiConfiguration.apply(
+		data: SimpleDataAccessor
+	): WifiConfiguration? {
+		fun WifiConfiguration.applyCommon(
+			data: SimpleDataAccessor
+		): WifiConfiguration? {
+			allowedAuthAlgorithms.clear()
+			allowedGroupCiphers.clear()
+			allowedKeyManagement.clear()
+			allowedPairwiseCiphers.clear()
+			allowedProtocols.clear()
+
+			SSID = data.ssid
+			hiddenSSID = data.hidden
+			return this
+		}
+
+		fun WifiConfiguration.applySecurity(
+			data: SimpleDataAccessor
+		): WifiConfiguration? {
+			when (data.securityType) {
+				"", "nopass" -> allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE)
+				"WEP" -> @Suppress("DEPRECATION") /* WEP as insecure */ {
+					data.password?.also {
+						wepKeys[0] = it
+					} ?: return null
+					wepTxKeyIndex = 0
+					allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED)
+					allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104)
+				}
+				"WPA" -> {
+					data.password?.also {
+						preSharedKey = it
+					} ?: return null
+					allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN)
+					@Suppress("DEPRECATION") // WPA 1 is insecure and has bad performance
+					allowedProtocols.set(WifiConfiguration.Protocol.WPA) // WPA
+					allowedProtocols.set(WifiConfiguration.Protocol.RSN) // WPA2
+					allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK)
+					allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_EAP)
+					@Suppress("DEPRECATION") // TKIP is insecure and has bad performance
+					allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP)
+					allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP)
+				}
+				"WPA2-EAP" -> requireSdk(Build.VERSION_CODES.JELLY_BEAN_MR2) {
+					data.password?.also {
+						preSharedKey = it
+					} ?: return null
+					allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN)
+					allowedProtocols.set(WifiConfiguration.Protocol.RSN) // WPA2
+					allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_EAP)
+					@Suppress("DEPRECATION") // TKIP is insecure and has bad performance
+					allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP)
+					allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP)
+					allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP)
+
+					enterpriseConfig.identity = data.identity
+					enterpriseConfig.anonymousIdentity = data.anonymousIdentity
+					enterpriseConfig.password = data.password
+					enterpriseConfig.eapMethod = 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
+		}
+		return this.applyCommon(data)?.applySecurity(data)
+	}
+
+	private inline fun <T> requireSdk(version: Int, block: () -> T): T? {
+		return if (Build.VERSION.SDK_INT >= version) return block() else null
+	}
+}

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

@@ -1,10 +1,14 @@
 package de.markusfisch.android.binaryeye.activity
 
 import com.google.zxing.Result
+import com.google.zxing.ResultMetadataType
 
 import de.markusfisch.android.cameraview.widget.CameraView
 
+import de.markusfisch.android.binaryeye.app.db
+import de.markusfisch.android.binaryeye.app.hasCameraPermission
 import de.markusfisch.android.binaryeye.app.initSystemBars
+import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.rs.Preprocessor
 import de.markusfisch.android.binaryeye.zxing.Zxing
 import de.markusfisch.android.binaryeye.R
@@ -12,14 +16,13 @@ import de.markusfisch.android.binaryeye.R
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
-import android.content.SharedPreferences
+import android.graphics.Bitmap
 import android.hardware.Camera
 import android.net.Uri
 import android.os.Bundle
+import android.os.Parcelable
 import android.os.Vibrator
-import android.preference.PreferenceManager
-import android.support.v4.app.ActivityCompat
-import android.support.v4.content.ContextCompat
+import android.provider.MediaStore
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.Toolbar
 import android.view.Menu
@@ -28,34 +31,25 @@ import android.view.View
 import android.widget.SeekBar
 import android.widget.Toast
 
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
+import java.io.IOException
+
 class CameraActivity : AppCompatActivity() {
 	private val zxing = Zxing()
-	private val decodingRunnable = Runnable {
-		while (decoding) {
-			val result = decodeFrame()
-			if (result != null) {
-				cameraView.post { found(result) }
-				decoding = false
-				break
-			}
-		}
-	}
 
-	private lateinit var preferences: SharedPreferences
 	private lateinit var vibrator: Vibrator
 	private lateinit var cameraView: CameraView
 	private lateinit var zoomBar: SeekBar
+	private lateinit var flashFab: View
 
-	private var decoding = false
-	private var decodingThread: Thread? = null
 	private var preprocessor: Preprocessor? = null
-	private var frameData: ByteArray? = null
-	private var frameWidth: Int = 0
-	private var frameHeight: Int = 0
-	private var frameOrientation: Int = 0
 	private var invert = false
 	private var flash = false
 	private var returnResult = false
+	private var frontFacing = false
+	private var fallbackBuffer: IntArray? = null
 
 	override fun onRequestPermissionsResult(
 		requestCode: Int,
@@ -63,8 +57,9 @@ class CameraActivity : AppCompatActivity() {
 		grantResults: IntArray
 	) {
 		when (requestCode) {
-			REQUEST_CAMERA -> if (grantResults.size > 0 &&
-				grantResults[0] != PackageManager.PERMISSION_GRANTED) {
+			REQUEST_CAMERA -> if (grantResults.isNotEmpty() &&
+				grantResults[0] != PackageManager.PERMISSION_GRANTED
+			) {
 				Toast.makeText(
 					this,
 					R.string.no_camera_no_fun,
@@ -82,48 +77,60 @@ class CameraActivity : AppCompatActivity() {
 		initSystemBars(this)
 		setSupportActionBar(findViewById(R.id.toolbar) as Toolbar)
 
-		preferences = PreferenceManager.getDefaultSharedPreferences(this)
 		vibrator = getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
 
 		cameraView = findViewById(R.id.camera_view) as CameraView
 		zoomBar = findViewById(R.id.zoom) as SeekBar
+		flashFab = findViewById(R.id.flash)
+		flashFab.setOnClickListener { toggleTorchMode() }
 
 		initCameraView()
 		initZoomBar()
 		restoreZoom()
-		initFlashFab(findViewById(R.id.flash))
+
+		if (intent?.action == Intent.ACTION_SEND) {
+			if (intent.type == "text/plain") {
+				handleSendText(intent)
+			} else if (intent.type?.startsWith("image/") == true) {
+				handleSendImage(intent)
+			}
+		}
 	}
 
 	override fun onDestroy() {
 		super.onDestroy()
 		preprocessor?.destroy()
+		fallbackBuffer = null
 		saveZoom()
 	}
 
-	override fun onNewIntent(intent: Intent) {
-		super.onNewIntent(intent)
-		handleSendText(intent)
-	}
-
 	override fun onResume() {
 		super.onResume()
 		System.gc()
-		returnResult = "com.google.zxing.client.android.SCAN".equals(
-			intent.action
-		)
-		handleSendText(intent)
-		if (hasCameraPermission()) {
-			cameraView.openAsync(
-				CameraView.findCameraId(
-					Camera.CameraInfo.CAMERA_FACING_BACK
-				)
-			)
+		returnResult = "com.google.zxing.client.android.SCAN" == intent.action
+		if (hasCameraPermission(this, REQUEST_CAMERA)) {
+			openCamera()
 		}
 	}
 
+	private fun openCamera() {
+		cameraView.openAsync(
+			CameraView.findCameraId(
+				if (frontFacing) {
+					Camera.CameraInfo.CAMERA_FACING_FRONT
+				} else {
+					Camera.CameraInfo.CAMERA_FACING_BACK
+				}
+			)
+		)
+	}
+
 	override fun onPause() {
 		super.onPause()
-		cancelDecoding()
+		closeCamera()
+	}
+
+	private fun closeCamera() {
 		cameraView.close()
 	}
 
@@ -150,6 +157,14 @@ class CameraActivity : AppCompatActivity() {
 				startActivity(MainActivity.getEncodeIntent(this))
 				true
 			}
+			R.id.history -> {
+				startActivity(MainActivity.getHistoryIntent(this))
+				true
+			}
+			R.id.switch_camera -> {
+				switchCamera()
+				true
+			}
 			R.id.info -> {
 				openReadme()
 				true
@@ -158,6 +173,12 @@ class CameraActivity : AppCompatActivity() {
 		}
 	}
 
+	private fun switchCamera() {
+		closeCamera()
+		frontFacing = frontFacing xor true
+		openCamera()
+	}
+
 	private fun openReadme() {
 		startActivity(
 			Intent(
@@ -169,36 +190,40 @@ class CameraActivity : AppCompatActivity() {
 	}
 
 	private fun handleSendText(intent: Intent) {
-		if (!Intent.ACTION_SEND.equals(intent.getAction()) ||
-			!"text/plain".equals(intent.getType())) {
-			return
+		val text = intent.getStringExtra(Intent.EXTRA_TEXT)
+		if (text?.isEmpty() == false) {
+			startActivity(MainActivity.getEncodeIntent(this, text, true))
+			finish()
 		}
-
-		var text = intent.getStringExtra(Intent.EXTRA_TEXT)
-		if (text == null || text.isEmpty()) {
-			return
-		}
-
-		// consume this intent
-		intent.setAction(null)
-
-		startActivity(MainActivity.getEncodeIntent(this, text, true))
-		finish()
 	}
 
-	private fun hasCameraPermission(): Boolean {
-		val permission = android.Manifest.permission.CAMERA
-
-		if (ContextCompat.checkSelfPermission(this, permission) !=
-			PackageManager.PERMISSION_GRANTED) {
-			ActivityCompat.requestPermissions(
-				this, arrayOf(permission),
-				REQUEST_CAMERA
-			)
-			return false
+	private fun handleSendImage(intent: Intent) {
+		val uri = intent.getParcelableExtra<Parcelable>(Intent.EXTRA_STREAM) as? Uri ?: return
+		val bitmap = try {
+			MediaStore.Images.Media.getBitmap(contentResolver, uri)
+		} catch (e: IOException) {
+			null
 		}
-
-		return true
+		if (bitmap == null) {
+			Toast.makeText(
+				this,
+				R.string.error_no_content,
+				Toast.LENGTH_SHORT
+			).show()
+			return
+		}
+		val result = zxing.decodePositiveNegative(downsizeIfBigger(bitmap, 1024))
+		if (result != null) {
+			showResult(result)
+			finish()
+			return
+		}
+		Toast.makeText(
+			this,
+			R.string.no_barcode_found,
+			Toast.LENGTH_SHORT
+		).show()
+		finish()
 	}
 
 	private fun initCameraView() {
@@ -208,27 +233,28 @@ class CameraActivity : AppCompatActivity() {
 			override fun onConfigureParameters(
 				parameters: Camera.Parameters
 			) {
-				if (parameters.isZoomSupported()) {
-					val max = parameters.getMaxZoom()
+				if (parameters.isZoomSupported) {
+					val max = parameters.maxZoom
 					if (zoomBar.max != max) {
 						zoomBar.max = max
 						zoomBar.progress = max / 10
 						saveZoom()
 					}
-					parameters.setZoom(zoomBar.progress)
+					parameters.zoom = zoomBar.progress
 				} else {
 					zoomBar.visibility = View.GONE
 				}
 				val sceneModes = parameters.supportedSceneModes
 				sceneModes?.let {
 					for (mode in sceneModes) {
-						if (mode.equals(Camera.Parameters.SCENE_MODE_BARCODE)) {
+						if (mode == Camera.Parameters.SCENE_MODE_BARCODE) {
 							parameters.sceneMode = mode
 							break
 						}
 					}
 				}
 				CameraView.setAutoFocus(parameters)
+				updateFlashFab(parameters.flashMode == null)
 			}
 
 			override fun onCameraError() {
@@ -241,18 +267,33 @@ class CameraActivity : AppCompatActivity() {
 			}
 
 			override fun onCameraReady(camera: Camera) {
-				frameWidth = cameraView.frameWidth
-				frameHeight = cameraView.frameHeight
-				frameOrientation = cameraView.frameOrientation
-				camera.setPreviewCallback { data, _ -> frameData = data }
+				val frameWidth = cameraView.frameWidth
+				val frameHeight = cameraView.frameHeight
+				val frameOrientation = cameraView.frameOrientation
+				var decoding = true
+				camera.setPreviewCallback { frameData, _ ->
+					if (decoding) {
+						val result = decodeFrame(
+							frameData,
+							frameWidth,
+							frameHeight,
+							frameOrientation
+						)
+						result?.let {
+							cameraView.post {
+								vibrator.vibrate(100)
+								showResult(result)
+							}
+							decoding = false
+						}
+					}
+				}
 			}
 
 			override fun onPreviewStarted(camera: Camera) {
-				startDecoding()
 			}
 
 			override fun onCameraStopping(camera: Camera) {
-				cancelDecoding()
 				camera.setPreviewCallback(null)
 			}
 		})
@@ -276,12 +317,12 @@ class CameraActivity : AppCompatActivity() {
 	}
 
 	private fun setZoom(zoom: Int) {
-		val camera: Camera? = cameraView.getCamera()
+		val camera: Camera? = cameraView.camera
 		camera?.let {
 			try {
-				val params = camera.getParameters()
-				params.setZoom(zoom)
-				camera.setParameters(params)
+				val params = camera.parameters
+				params.zoom = zoom
+				camera.parameters = params
 			} catch (e: RuntimeException) {
 				// ignore; there's nothing we can do
 			}
@@ -289,92 +330,83 @@ class CameraActivity : AppCompatActivity() {
 	}
 
 	private fun saveZoom() {
-		val editor = preferences.edit()
+		val editor = prefs.preferences.edit()
 		editor.putInt(ZOOM_MAX, zoomBar.max)
 		editor.putInt(ZOOM_LEVEL, zoomBar.progress)
 		editor.apply()
 	}
 
 	private fun restoreZoom() {
-		zoomBar.max = preferences.getInt(ZOOM_MAX, zoomBar.max)
-		zoomBar.progress = preferences.getInt(ZOOM_LEVEL, zoomBar.progress)
+		zoomBar.max = prefs.preferences.getInt(ZOOM_MAX, zoomBar.max)
+		zoomBar.progress = prefs.preferences.getInt(
+			ZOOM_LEVEL,
+			zoomBar.progress
+		)
 	}
 
-	private fun initFlashFab(fab: View) {
-		if (!packageManager.hasSystemFeature(
-				PackageManager.FEATURE_CAMERA_FLASH
-			)) {
-			fab.visibility = View.GONE
+	private fun updateFlashFab(available: Boolean) {
+		flashFab.visibility = if (available) {
+			View.GONE
 		} else {
-			fab.setOnClickListener { _ ->
-				toggleTorchMode()
-			}
+			View.VISIBLE
 		}
 	}
 
 	private fun toggleTorchMode() {
-		val camera = cameraView.getCamera()
-		val parameters = camera?.getParameters()
-		parameters?.setFlashMode(
-			if (flash) {
-				Camera.Parameters.FLASH_MODE_OFF
-			} else {
-				Camera.Parameters.FLASH_MODE_TORCH
+		val camera = cameraView.camera
+		val parameters = camera?.parameters
+		parameters?.flashMode = if (flash) {
+			Camera.Parameters.FLASH_MODE_OFF
+		} else {
+			Camera.Parameters.FLASH_MODE_TORCH
+		}
+		parameters?.let {
+			try {
+				camera.parameters = parameters
+				flash = flash xor true
+			} catch (e: RuntimeException) {
+				// ignore; there's nothing we can do
 			}
-		)
-		flash = flash xor true
-		parameters?.let { camera.setParameters(parameters) }
-	}
-
-	private fun startDecoding() {
-		frameData = null
-		decoding = true
-		decodingThread = Thread(decodingRunnable)
-		decodingThread?.start()
-	}
-
-	private fun cancelDecoding() {
-		decoding = false
-		if (decodingThread != null) {
-			var retry = 100
-			while (retry-- > 0) {
-				try {
-					decodingThread?.join()
-					break
-				} catch (e: InterruptedException) {
-					decodingThread?.interrupt()
-				}
-			}
-			decodingThread = null
 		}
 	}
 
-	private fun decodeFrame(): Result? {
-		var fd = frameData
-		fd ?: return null
-		if (preprocessor == null) {
-			preprocessor = Preprocessor(
-				this,
-				frameWidth,
-				frameHeight,
-				frameOrientation
-			)
-		}
-		var pp = preprocessor
-		pp ?: return null
-		pp.process(fd)
+	private fun decodeFrame(
+		frameData: ByteArray?,
+		frameWidth: Int,
+		frameHeight: Int,
+		frameOrientation: Int
+	): Result? {
+		frameData ?: return null
 		invert = invert xor true
+		val pp = preprocessor ?: Preprocessor(
+			this,
+			frameWidth,
+			frameHeight,
+			frameOrientation
+		)
+		pp.process(frameData)
+		preprocessor = pp
 		return zxing.decode(
-			fd,
+			frameData,
 			pp.outWidth,
 			pp.outHeight,
 			invert
 		)
 	}
 
-	private fun found(result: Result) {
-		cancelDecoding()
-		vibrator.vibrate(100)
+	private fun showResult(result: Result) {
+		val rawBytes = getRawBytes(result)
+
+		if (prefs.useHistory) {
+			GlobalScope.launch {
+				db.insertScan(
+					System.currentTimeMillis(),
+					result.text,
+					rawBytes,
+					result.barcodeFormat.toString()
+				)
+			}
+		}
 
 		if (returnResult) {
 			val resultIntent = Intent()
@@ -388,7 +420,8 @@ class CameraActivity : AppCompatActivity() {
 			MainActivity.getDecodeIntent(
 				this,
 				result.text,
-				result.barcodeFormat
+				result.barcodeFormat,
+				rawBytes
 			)
 		)
 	}
@@ -399,3 +432,37 @@ class CameraActivity : AppCompatActivity() {
 		private const val ZOOM_LEVEL = "zoom_level"
 	}
 }
+
+fun downsizeIfBigger(bitmap: Bitmap, max: Int): Bitmap {
+	return if (Math.max(bitmap.width, bitmap.height) > max) {
+		var width: Int = max
+		var height: Int = max
+		if (bitmap.width > bitmap.height) {
+			height = Math.round(
+				width.toFloat() / bitmap.width.toFloat() *
+						bitmap.height.toFloat()
+			)
+		} else {
+			width = Math.round(
+				height.toFloat() / bitmap.height.toFloat() *
+						bitmap.width.toFloat()
+			)
+		}
+		Bitmap.createScaledBitmap(bitmap, width, height, true)
+	} else {
+		bitmap
+	}
+}
+
+fun getRawBytes(result: Result): ByteArray? {
+	val metadata = result.resultMetadata ?: return null
+	val segments = metadata[ResultMetadataType.BYTE_SEGMENTS] ?: return null
+	var bytes = ByteArray(0)
+	@Suppress("UNCHECKED_CAST")
+	for (seg in segments as Iterable<ByteArray>) {
+		bytes += seg
+	}
+	// byte segments can never be shorter than the text;
+	// Zxing cuts off content prefixes like "WIFI:"
+	return if (bytes.size >= result.text.length) bytes else null
+}

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

@@ -2,16 +2,17 @@ package de.markusfisch.android.binaryeye.activity
 
 import com.google.zxing.BarcodeFormat
 
+import de.markusfisch.android.binaryeye.R
 import de.markusfisch.android.binaryeye.app.initSystemBars
 import de.markusfisch.android.binaryeye.app.setFragment
 import de.markusfisch.android.binaryeye.fragment.DecodeFragment
 import de.markusfisch.android.binaryeye.fragment.EncodeFragment
-import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.fragment.HistoryFragment
 
 import android.content.Context
 import android.content.Intent
+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
 
@@ -35,29 +36,37 @@ class MainActivity : AppCompatActivity() {
 		supportActionBar?.setDisplayHomeAsUpEnabled(true)
 
 		if (state == null) {
-			var fragment: Fragment
-			if (intent?.hasExtra(ENCODE) == true) {
-				fragment = EncodeFragment.newInstance(
-					intent.getStringExtra(ENCODE)
-				)
-			} else if (intent?.hasExtra(DECODE) == true) {
-				fragment = DecodeFragment.newInstance(
-					intent.getStringExtra(DECODE),
-					intent.getSerializableExtra(
-						DECODE_FORMAT
-					) as BarcodeFormat
-				)
-			} else {
-				fragment = DecodeFragment()
-			}
-			setFragment(supportFragmentManager, fragment)
+			setFragment(
+				supportFragmentManager, when {
+					intent?.hasExtra(HISTORY) == true -> HistoryFragment()
+					intent?.hasExtra(ENCODE) == true -> EncodeFragment.newInstance(
+						intent.getStringExtra(ENCODE)
+					)
+					intent?.hasExtra(DECODED_TEXT) == true -> DecodeFragment.newInstance(
+						intent.getStringExtra(DECODED_TEXT),
+						intent.getSerializableExtra(
+							DECODED_FORMAT
+						) as BarcodeFormat,
+						intent.getByteArrayExtra(DECODED_RAW)
+					)
+					else -> DecodeFragment()
+				}
+			)
 		}
 	}
 
 	companion object {
+		private const val HISTORY = "history"
 		private const val ENCODE = "encode"
-		private const val DECODE = "decode"
-		private const val DECODE_FORMAT = "decode_format"
+		private const val DECODED_TEXT = "decoded_text"
+		private const val DECODED_FORMAT = "decoded_format"
+		private const val DECODED_RAW = "decoded_raw"
+
+		fun getHistoryIntent(context: Context): Intent {
+			val intent = Intent(context, MainActivity::class.java)
+			intent.putExtra(HISTORY, true)
+			return intent
+		}
 
 		fun getEncodeIntent(
 			context: Context,
@@ -67,10 +76,13 @@ class MainActivity : AppCompatActivity() {
 			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(
-					android.content.Intent.FLAG_ACTIVITY_NO_HISTORY or
-					android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK or
-					android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+					Intent.FLAG_ACTIVITY_NO_HISTORY or
+							flagActivityClearTask or
+							Intent.FLAG_ACTIVITY_NEW_TASK
 				)
 			}
 			return intent
@@ -79,11 +91,15 @@ class MainActivity : AppCompatActivity() {
 		fun getDecodeIntent(
 			context: Context,
 			text: String,
-			format: BarcodeFormat
+			format: BarcodeFormat,
+			raw: ByteArray? = null
 		): Intent {
 			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(DECODE, text)
-			intent.putExtra(DECODE_FORMAT, format)
+			intent.putExtra(DECODED_TEXT, text)
+			intent.putExtra(DECODED_FORMAT, format)
+			if (raw != null) {
+				intent.putExtra(DECODED_RAW, raw)
+			}
 			return intent
 		}
 	}

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

@@ -0,0 +1,61 @@
+package de.markusfisch.android.binaryeye.adapter
+
+import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.data.Database
+
+import android.content.Context
+import android.database.Cursor
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.CursorAdapter
+import android.widget.TextView
+
+class ScansAdapter(context: Context, cursor: Cursor) :
+	CursorAdapter(context, cursor, false) {
+	private val timeIndex = cursor.getColumnIndex(Database.SCANS_DATETIME)
+	private val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
+	private val formatIndex = cursor.getColumnIndex(Database.SCANS_FORMAT)
+
+	override fun newView(
+		context: Context,
+		cursor: Cursor,
+		parent: ViewGroup
+	): View {
+		return LayoutInflater.from(parent.context).inflate(
+			R.layout.row_scan, parent, false
+		)
+	}
+
+	override fun bindView(
+		view: View,
+		context: Context,
+		cursor: Cursor
+	) {
+		val holder = getViewHolder(view)
+		val content = cursor.getString(contentIndex)
+		holder.timeView.text = cursor.getString(timeIndex)
+		holder.contentView.text = if (content.isEmpty()) {
+			context.getString(R.string.binary_data)
+		} else {
+			content
+		}
+		holder.formatView.text = cursor.getString(formatIndex)
+	}
+
+	private fun getViewHolder(view: View): ViewHolder {
+		return view.tag as ViewHolder? ?: ViewHolder(
+			view.findViewById(R.id.time),
+			view.findViewById(R.id.content),
+			view.findViewById(R.id.format)
+		).also {
+			view.tag = it
+		}
+	}
+
+	private data class ViewHolder(
+		val timeView: TextView,
+		val contentView: TextView,
+		val formatView: TextView
+	)
+}

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

@@ -0,0 +1,23 @@
+package de.markusfisch.android.binaryeye.app
+
+import de.markusfisch.android.binaryeye.data.Database
+import de.markusfisch.android.binaryeye.preference.Preferences
+
+import android.app.Application
+import android.support.v8.renderscript.RenderScript
+
+val db = Database()
+val prefs = Preferences()
+
+class BinaryEyeApp : Application() {
+	override fun onCreate() {
+		super.onCreate()
+
+		// required to make RenderScript work for Lineage 16.0
+		// possibly because of a system/device bug
+		RenderScript.forceCompat()
+
+		db.open(this)
+		prefs.init(this)
+	}
+}

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

@@ -2,6 +2,7 @@ package de.markusfisch.android.binaryeye.app
 
 import de.markusfisch.android.binaryeye.R
 
+import android.annotation.SuppressLint
 import android.support.v4.app.Fragment
 import android.support.v4.app.FragmentManager
 import android.support.v4.app.FragmentTransaction
@@ -14,6 +15,7 @@ fun addFragment(fm: FragmentManager?, fragment: Fragment) {
 	fm?.let { getTransaction(fm, fragment).addToBackStack(null).commit() }
 }
 
+@SuppressLint("CommitTransaction")
 private fun getTransaction(
 	fm: FragmentManager,
 	fragment: Fragment

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

@@ -0,0 +1,7 @@
+package de.markusfisch.android.binaryeye.app
+
+import java.util.regex.Pattern
+
+private val nonPrintable = Pattern.compile("[\\x00-\\x08\\x0e-\\x1f]")
+
+fun hasNonPrintableCharacters(s: String) = nonPrintable.matcher(s).find()

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

@@ -0,0 +1,38 @@
+package de.markusfisch.android.binaryeye.app
+
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.support.v4.app.ActivityCompat
+import android.support.v4.content.ContextCompat
+import android.Manifest
+
+fun hasCameraPermission(activity: Activity, requestCode: Int): Boolean {
+	return hasPermission(activity, Manifest.permission.CAMERA, requestCode)
+}
+
+fun hasWritePermission(activity: Activity, requestCode: Int = 1): Boolean {
+	return hasPermission(
+		activity,
+		Manifest.permission.WRITE_EXTERNAL_STORAGE,
+		requestCode
+	)
+}
+
+fun hasPermission(
+	activity: Activity,
+	permission: String,
+	requestCode: Int
+): Boolean {
+	return if (ContextCompat.checkSelfPermission(activity, permission) !=
+		PackageManager.PERMISSION_GRANTED
+	) {
+		ActivityCompat.requestPermissions(
+			activity,
+			arrayOf(permission),
+			requestCode
+		)
+		false
+	} else {
+		true
+	}
+}

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

@@ -0,0 +1,56 @@
+package de.markusfisch.android.binaryeye.app
+
+import de.markusfisch.android.binaryeye.BuildConfig
+import de.markusfisch.android.binaryeye.R
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.support.v4.content.FileProvider
+import android.widget.Toast
+
+import java.io.File
+
+fun shareText(context: Context, text: String, type: String = "text/plain") {
+	val intent = Intent(Intent.ACTION_SEND)
+	intent.putExtra(Intent.EXTRA_TEXT, text)
+	intent.type = type
+	execShareIntent(context, intent)
+}
+
+fun shareUri(context: Context, uri: Uri, type: String) {
+	val intent = Intent(Intent.ACTION_SEND)
+	intent.putExtra(Intent.EXTRA_STREAM, uri)
+	intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+	intent.type = type
+	execShareIntent(context, intent)
+}
+
+fun execShareIntent(context: Context, intent: Intent) {
+	if (intent.resolveActivity(context.packageManager) != null) {
+		context.startActivity(intent)
+	} else {
+		Toast.makeText(
+			context,
+			R.string.cannot_resolve_action,
+			Toast.LENGTH_SHORT
+		).show()
+	}
+}
+
+fun shareFile(context: Context, file: File, type: String) {
+	shareUri(context, getUriForFile(context, file), type)
+}
+
+fun getUriForFile(context: Context, file: File): Uri {
+	return if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+		Uri.fromFile(file)
+	} else {
+		FileProvider.getUriForFile(
+			context,
+			BuildConfig.APPLICATION_ID + ".provider",
+			file
+		)
+	}
+}

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

@@ -2,26 +2,24 @@ package de.markusfisch.android.binaryeye.app
 
 import de.markusfisch.android.binaryeye.R
 
-import android.content.Context
-import android.content.res.Configuration
 import android.content.res.Resources
-import android.graphics.Point
 import android.os.Build
 import android.support.v4.content.ContextCompat
 import android.support.v7.app.AppCompatActivity
-import android.util.TypedValue
 import android.view.View
 import android.view.Window
 
 fun initSystemBars(activity: AppCompatActivity?) {
 	val view = activity?.findViewById(R.id.main_layout)
-	if (view != null && setSystemBarColor(
+	if (view != null &&
+		setSystemBarColor(
 			activity.window,
 			ContextCompat.getColor(
 				activity,
-				R.color.primary_dark_translucent
+				android.R.color.transparent
 			)
-		)) {
+		)
+	) {
 		view.setPadding(0, getStatusBarHeight(activity.resources), 0, 0)
 	}
 }
@@ -34,64 +32,17 @@ fun setSystemBarColor(window: Window, color: Int): Boolean {
 	window.statusBarColor = color
 	window.navigationBarColor = color
 	window.decorView.systemUiVisibility =
-			View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
-			View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
-			View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+		View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+				View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+				View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
 
 	return true
 }
 
-fun getStatusAndToolBarHeight(context: Context): Int {
-	return getStatusBarHeight(context.resources) + getToolBarHeight(context)
-}
-
 fun getStatusBarHeight(res: Resources): Int {
 	return getIdentifierDimen(res, "status_bar_height")
 }
 
-fun getToolBarHeight(context: Context): Int {
-	val tv = TypedValue()
-	return if (context.theme.resolveAttribute(
-			android.R.attr.actionBarSize,
-			tv,
-			true
-		))
-		TypedValue.complexToDimensionPixelSize(
-			tv.data,
-			context.resources.displayMetrics
-		)
-	else
-		0
-}
-
-fun getNavigationBarSize(res: Resources): Point {
-	val size = Point(0, 0)
-	if (!getIdentifierBoolean(res, "config_showNavigationBar")) {
-		return size
-	}
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
-		val conf = res.getConfiguration()
-		if (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
-			// according to https://developer.android.com/training/multiscreen/screensizes.html#TaskUseSWQuali
-			// only a screen < 600 dp is considered to be a phone
-			// and can move its navigation bar to the side
-			conf.smallestScreenWidthDp < 600) {
-			size.x = getIdentifierDimen(
-				res,
-				"navigation_bar_height_landscape"
-			)
-			return size
-		}
-	}
-	size.y = getIdentifierDimen(res, "navigation_bar_height")
-	return size
-}
-
-private fun getIdentifierBoolean(res: Resources, name: String): Boolean {
-	val id = res.getIdentifier(name, "bool", "android")
-	return id > 0 && res.getBoolean(id)
-}
-
 private fun getIdentifierDimen(res: Resources, name: String): Int {
 	val id = res.getIdentifier(name, "dimen", "android")
 	return if (id > 0) res.getDimensionPixelSize(id) else 0

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

@@ -0,0 +1,114 @@
+package de.markusfisch.android.binaryeye.data
+
+import de.markusfisch.android.binaryeye.app.hasNonPrintableCharacters
+
+import android.content.ContentValues
+import android.content.Context
+import android.database.Cursor
+import android.database.sqlite.SQLiteDatabase
+import android.database.sqlite.SQLiteOpenHelper
+import android.text.format.DateFormat
+
+class Database {
+	private lateinit var db: SQLiteDatabase
+
+	fun open(context: Context) {
+		db = OpenHelper(context).writableDatabase
+	}
+
+	fun getScans(): Cursor? = db.rawQuery(
+		"""SELECT
+			$SCANS_ID,
+			$SCANS_DATETIME,
+			$SCANS_CONTENT,
+			$SCANS_FORMAT
+			FROM $SCANS
+			ORDER BY $SCANS_DATETIME DESC
+		""", null
+	)
+
+	fun getScan(id: Long): Cursor? = db.rawQuery(
+		"""SELECT
+			$SCANS_DATETIME,
+			$SCANS_CONTENT,
+			$SCANS_RAW,
+			$SCANS_FORMAT
+			FROM $SCANS
+			WHERE $SCANS_ID = ?
+		""", arrayOf("$id")
+	)
+
+	fun insertScan(
+		timestamp: Long,
+		content: String,
+		raw: ByteArray?,
+		format: String
+	): Long {
+		val cv = ContentValues()
+		cv.put(
+			SCANS_DATETIME, DateFormat.format(
+				"yyyy-MM-dd HH:mm:ss",
+				timestamp
+			).toString()
+		)
+		if (hasNonPrintableCharacters(content) && raw != null) {
+			cv.put(SCANS_CONTENT, "")
+			cv.put(SCANS_RAW, raw)
+		} else {
+			cv.put(SCANS_CONTENT, content)
+		}
+		cv.put(SCANS_FORMAT, format)
+		return db.insert(SCANS, null, cv)
+	}
+
+	fun removeScan(id: Long) {
+		db.delete(SCANS, "$SCANS_ID = ?", arrayOf("$id"))
+	}
+
+	fun removeScans() {
+		db.delete(SCANS, null, null)
+	}
+
+	private class OpenHelper(context: Context) :
+		SQLiteOpenHelper(context, "history.db", null, 2) {
+		override fun onCreate(db: SQLiteDatabase) {
+			createScans(db)
+		}
+
+		override fun onUpgrade(
+			db: SQLiteDatabase,
+			oldVersion: Int,
+			newVersion: Int
+		) {
+			if (oldVersion < 2) {
+				addRawColumn(db)
+			}
+		}
+	}
+
+	companion object {
+		const val SCANS = "scans"
+		const val SCANS_ID = "_id"
+		const val SCANS_DATETIME = "_datetime"
+		const val SCANS_CONTENT = "content"
+		const val SCANS_RAW = "raw"
+		const val SCANS_FORMAT = "format"
+
+		private fun createScans(db: SQLiteDatabase) {
+			db.execSQL("DROP TABLE IF EXISTS $SCANS")
+			db.execSQL(
+				"""CREATE TABLE $SCANS (
+					$SCANS_ID INTEGER PRIMARY KEY AUTOINCREMENT,
+					$SCANS_DATETIME DATETIME NOT NULL,
+					$SCANS_CONTENT TEXT NOT NULL,
+					$SCANS_RAW BLOB,
+					$SCANS_FORMAT TEXT NOT NULL
+				)"""
+			)
+		}
+
+		private fun addRawColumn(db: SQLiteDatabase) {
+			db.execSQL("ALTER TABLE $SCANS ADD COLUMN $SCANS_RAW BLOB")
+		}
+	}
+}

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

@@ -2,6 +2,7 @@ package de.markusfisch.android.binaryeye.fragment
 
 import com.google.zxing.BarcodeFormat
 
+import de.markusfisch.android.binaryeye.app.shareFile
 import de.markusfisch.android.binaryeye.zxing.Zxing
 import de.markusfisch.android.binaryeye.R
 
@@ -14,6 +15,14 @@ import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.Toast
 
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
 class BarcodeFragment : Fragment() {
 	override fun onCreateView(
 		inflater: LayoutInflater,
@@ -28,31 +37,71 @@ class BarcodeFragment : Fragment() {
 			false
 		)
 
-		val args = getArguments()
+		val args = arguments
 		args?.let {
-			val size = args.getInt(SIZE)
-			val bitmap: Bitmap?
-			try {
-				bitmap = Zxing.encodeAsBitmap(
-					args.getString(CONTENT),
-					args.getSerializable(FORMAT) as BarcodeFormat,
-					size,
-					size
-				)
-			} catch (e: Exception) {
-				Toast.makeText(
-					activity, e.message,
-					Toast.LENGTH_SHORT
-				).show()
-				fragmentManager.popBackStack()
-				return null
+			val content = args.getString(CONTENT)
+			val format = args.getSerializable(FORMAT) as BarcodeFormat?
+			if (content != null && format != null) {
+				val size = args.getInt(SIZE)
+				val bitmap: Bitmap?
+				try {
+					bitmap = Zxing.encodeAsBitmap(
+						content,
+						format,
+						size,
+						size
+					)
+				} catch (e: Exception) {
+					var message = e.message
+					if (message == null || message.isEmpty()) {
+						message = getString(R.string.error_encoding_barcode)
+					}
+					Toast.makeText(
+						activity,
+						message,
+						Toast.LENGTH_SHORT
+					).show()
+					fragmentManager.popBackStack()
+					return null
+				}
+				view.findViewById<ImageView>(R.id.barcode).setImageBitmap(bitmap)
+				view.findViewById<View>(R.id.share).setOnClickListener {
+					bitmap?.let {
+						share(bitmap)
+					}
+				}
 			}
-			view.findViewById<ImageView>(R.id.barcode).setImageBitmap(bitmap)
 		}
 
 		return view
 	}
 
+	private fun share(bitmap: Bitmap) {
+		GlobalScope.launch {
+			val file = saveBitmap(bitmap)
+			GlobalScope.launch(Main) {
+				file?.let {
+					shareFile(context, file, "image/png")
+				}
+			}
+		}
+	}
+
+	private fun saveBitmap(bitmap: Bitmap): File? {
+		return try {
+			val file = File(
+				context.externalCacheDir,
+				"shared_barcode.png"
+			)
+			val fos = FileOutputStream(file)
+			bitmap.compress(Bitmap.CompressFormat.PNG, 90, fos)
+			fos.close()
+			file
+		} catch (e: IOException) {
+			null
+		}
+	}
+
 	companion object {
 		private const val CONTENT = "content"
 		private const val FORMAT = "format"
@@ -68,7 +117,7 @@ class BarcodeFragment : Fragment() {
 			args.putSerializable(FORMAT, format)
 			args.putInt(SIZE, size)
 			val fragment = BarcodeFragment()
-			fragment.setArguments(args)
+			fragment.arguments = args
 			return fragment
 		}
 	}

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

@@ -2,15 +2,25 @@ package de.markusfisch.android.binaryeye.fragment
 
 import com.google.zxing.BarcodeFormat
 
-import de.markusfisch.android.binaryeye.app.addFragment
 import de.markusfisch.android.binaryeye.R
+import de.markusfisch.android.binaryeye.actions.IAction
+import de.markusfisch.android.binaryeye.actions.validateOrGetNew
+import de.markusfisch.android.binaryeye.app.addFragment
+import de.markusfisch.android.binaryeye.app.hasNonPrintableCharacters
+import de.markusfisch.android.binaryeye.app.hasWritePermission
+import de.markusfisch.android.binaryeye.app.shareText
 
+import android.app.AlertDialog
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.os.Environment
 import android.support.v4.app.Fragment
 import android.text.ClipboardManager
+import android.text.Editable
+import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
@@ -18,11 +28,25 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.widget.EditText
+import android.widget.ImageView
+import android.widget.TextView
 import android.widget.Toast
 
+import java.io.File
+import java.io.IOException
+import java.net.URLEncoder
+
 class DecodeFragment : Fragment() {
 	private lateinit var contentView: EditText
+	private lateinit var formatView: TextView
+	private lateinit var hexView: TextView
 	private lateinit var format: BarcodeFormat
+	private lateinit var actionMenuItem: MenuItem
+
+	private var action: IAction? = null
+	private var isBinary = false
+	private val content: String
+		get() = contentView.text.toString()
 
 	override fun onCreate(state: Bundle?) {
 		super.onCreate(state)
@@ -42,37 +66,100 @@ class DecodeFragment : Fragment() {
 			false
 		)
 
-		val content = arguments?.getString(CONTENT) ?: ""
+		val inputContent = arguments?.getString(CONTENT) ?: ""
+		isBinary = hasNonPrintableCharacters(inputContent) or inputContent.isEmpty()
+		val raw = arguments?.getByteArray(RAW) ?: inputContent.toByteArray()
 		format = arguments?.getSerializable(FORMAT) as BarcodeFormat? ?: BarcodeFormat.QR_CODE
 
-		contentView = view.findViewById<EditText>(R.id.content)
-		contentView.setText(content)
+		contentView = view.findViewById(R.id.content)
+		val shareFab = view.findViewById<ImageView>(R.id.share)
 
-		view.findViewById<View>(R.id.share).setOnClickListener { _ ->
-			share(getContent())
+		if (!isBinary) {
+			contentView.setText(inputContent)
+			contentView.addTextChangedListener(object : TextWatcher {
+				override fun afterTextChanged(s: Editable?) {
+					updateViewsAndAction(content.toByteArray())
+				}
+
+				override fun beforeTextChanged(
+					s: CharSequence?,
+					start: Int,
+					count: Int,
+					after: Int
+				) {
+				}
+
+				override fun onTextChanged(
+					s: CharSequence?,
+					start: Int,
+					before: Int,
+					count: Int
+				) {
+				}
+			})
+			shareFab.setOnClickListener { v ->
+				shareText(v.context, content)
+			}
+		} else {
+			contentView.setText(R.string.binary_data)
+			contentView.isEnabled = false
+			shareFab.setImageResource(R.drawable.ic_action_save)
+			shareFab.setOnClickListener {
+				askForFileNameAndSave(raw)
+			}
 		}
 
+		formatView = view.findViewById(R.id.format)
+		hexView = view.findViewById(R.id.hex)
+
+		updateViewsAndAction(raw)
+
 		return view
 	}
 
+	private fun updateViewsAndAction(bytes: ByteArray) {
+		action = action.validateOrGetNew(bytes)
+		formatView.text = resources.getQuantityString(
+			R.plurals.barcode_info,
+			bytes.size,
+			format.toString(),
+			bytes.size
+		)
+		hexView.text = hexDump(bytes, 33)
+		if (::actionMenuItem.isInitialized) {
+			actionMenuItem.setIcon(action?.iconResId ?: R.drawable.ic_action_open)
+			actionMenuItem.setTitle(action?.titleResId ?: R.string.open_url)
+		}
+	}
+
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		inflater.inflate(R.menu.fragment_decode, menu)
+		actionMenuItem = menu.findItem(R.id.open_url)
+		action?.also { action ->
+			actionMenuItem.setIcon(action.iconResId)
+			actionMenuItem.setTitle(action.titleResId)
+		}
+		if (isBinary) {
+			menu.findItem(R.id.copy_to_clipboard).isVisible = false
+			menu.findItem(R.id.open_url).isVisible = false
+			menu.findItem(R.id.create).isVisible = false
+		}
 	}
 
 	override fun onOptionsItemSelected(item: MenuItem): Boolean {
 		return when (item.itemId) {
 			R.id.copy_to_clipboard -> {
-				copyToClipboard(getContent())
+				copyToClipboard(content)
 				true
 			}
 			R.id.open_url -> {
-				openUrl(getContent())
+				openUrl(content)
 				true
 			}
 			R.id.create -> {
 				addFragment(
 					fragmentManager,
-					EncodeFragment.newInstance(getContent(), format)
+					EncodeFragment.newInstance(content, format)
 				)
 				true
 			}
@@ -80,17 +167,13 @@ class DecodeFragment : Fragment() {
 		}
 	}
 
-	private fun getContent(): String {
-		return contentView.getText().toString()
-	}
-
 	private fun copyToClipboard(text: String) {
 		activity ?: return
 
 		val cm = activity.getSystemService(
 			Context.CLIPBOARD_SERVICE
 		) as ClipboardManager
-		cm.setText(text)
+		cm.text = text
 		Toast.makeText(
 			activity,
 			R.string.put_into_clipboard,
@@ -98,18 +181,28 @@ class DecodeFragment : Fragment() {
 		).show()
 	}
 
-	private fun openUrl(url: String) {
+	private fun openUrl(
+		url: String,
+		executeCustomAction: Boolean = true,
+		searchIfNoUrl: Boolean = true
+	) {
 		if (activity == null || url.isEmpty()) {
 			return
 		}
-		val intent = Intent(
-			Intent.ACTION_VIEW,
-			Uri.parse(url).normalizeScheme()
-		)
-		if (intent.resolveActivity(activity.getPackageManager()) != null) {
-			startActivity(intent)
-		} else {
-			Toast.makeText(
+		var uri = Uri.parse(url)
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+			uri = uri.normalizeScheme()
+		}
+		val intent = Intent(Intent.ACTION_VIEW, uri)
+		when {
+			executeCustomAction && action != null -> action?.also { action ->
+				action.execute(activity, url.toByteArray())
+			}
+			intent.resolveActivity(activity.packageManager) != null -> {
+				startActivity(intent)
+			}
+			searchIfNoUrl -> pickSearchEngineAndSearch(activity, url)
+			else -> Toast.makeText(
 				activity,
 				R.string.cannot_resolve_action,
 				Toast.LENGTH_SHORT
@@ -117,24 +210,123 @@ class DecodeFragment : Fragment() {
 		}
 	}
 
-	private fun share(text: String) {
-		val intent = Intent(Intent.ACTION_SEND)
-		intent.putExtra(Intent.EXTRA_TEXT, text)
-		intent.setType("text/plain")
-		startActivity(intent)
+	private fun pickSearchEngineAndSearch(context: Context, query: String) {
+		val urls = context.resources.getStringArray(
+			R.array.search_engines_values
+		)
+		AlertDialog.Builder(context)
+			.setTitle(R.string.pick_search_engine)
+			.setItems(R.array.search_engines_names) { _, which ->
+				openUrl(
+					urls[which] + URLEncoder.encode(query, "utf-8"),
+					executeCustomAction = false,
+					searchIfNoUrl = false
+				)
+			}
+			.show()
+	}
+
+	private fun askForFileNameAndSave(raw: ByteArray) {
+		val ac = activity ?: return
+		val view = ac.layoutInflater.inflate(R.layout.dialog_save_file, null)
+		val editText = view.findViewById<EditText>(R.id.file_name)
+		AlertDialog.Builder(ac)
+			.setView(view)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				if (hasWritePermission(ac)) {
+					val messageId = saveByteArray(
+						editText.text.toString(),
+						raw
+					)
+					if (messageId > 0) {
+						Toast.makeText(
+							ac, messageId,
+							Toast.LENGTH_SHORT
+						).show()
+					}
+				}
+			}
+			.show()
 	}
 
 	companion object {
 		private const val CONTENT = "content"
 		private const val FORMAT = "format"
+		private const val RAW = "raw"
 
-		fun newInstance(content: String, format: BarcodeFormat): Fragment {
+		fun newInstance(
+			content: String,
+			format: BarcodeFormat,
+			raw: ByteArray? = null
+		): Fragment {
 			val args = Bundle()
 			args.putString(CONTENT, content)
 			args.putSerializable(FORMAT, format)
+			if (raw != null) {
+				args.putByteArray(RAW, raw)
+			}
 			val fragment = DecodeFragment()
 			fragment.arguments = args
 			return fragment
 		}
 	}
 }
+
+private fun hexDump(bytes: ByteArray, charsPerLine: Int): 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.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()
+}
+
+fun saveByteArray(name: String, raw: ByteArray): Int {
+	return try {
+		val file = File(
+			Environment.getExternalStoragePublicDirectory(
+				Environment.DIRECTORY_DOWNLOADS
+			),
+			name
+		)
+		if (file.exists()) {
+			return R.string.error_file_exists
+		}
+		file.writeBytes(raw)
+		0
+	} catch (e: IOException) {
+		R.string.error_saving_binary_data
+	}
+}

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

@@ -50,21 +50,20 @@ class EncodeFragment : Fragment() {
 			false
 		)
 
-		formatView = view.findViewById<Spinner>(R.id.format)
-		formatView.setAdapter(
-			ArrayAdapter<String>(
-				activity,
-				android.R.layout.simple_list_item_1,
-				writers.map { it -> it.name })
+		formatView = view.findViewById(R.id.format)
+		formatView.adapter = ArrayAdapter<String>(
+			activity,
+			android.R.layout.simple_list_item_1,
+			writers.map { it.name }
 		)
 
-		sizeView = view.findViewById<TextView>(R.id.size_display)
-		sizeBarView = view.findViewById<SeekBar>(R.id.size_bar)
+		sizeView = view.findViewById(R.id.size_display)
+		sizeBarView = view.findViewById(R.id.size_bar)
 		initSizeBar()
 
 		val contentView = view.findViewById<EditText>(R.id.content)
 
-		val args = getArguments()
+		val args = arguments
 		args?.let {
 			contentView.setText(args.getString(CONTENT))
 			formatView.setSelection(
@@ -75,12 +74,13 @@ class EncodeFragment : Fragment() {
 		}
 
 		view.findViewById<View>(R.id.encode).setOnClickListener { v ->
-			val format = writers.get(formatView.getSelectedItemPosition())
-			var size = getSize(sizeBarView.getProgress())
-			val content = contentView.getText().toString()
+			val format = writers[formatView.selectedItemPosition]
+			val size = getSize(sizeBarView.progress)
+			val content = contentView.text.toString()
 			if (content.isEmpty()) {
 				Toast.makeText(
-					v.context, R.string.error_no_content,
+					v.context,
+					R.string.error_no_content,
 					Toast.LENGTH_SHORT
 				).show()
 			} else {
@@ -99,7 +99,7 @@ class EncodeFragment : Fragment() {
 	}
 
 	private fun initSizeBar() {
-		updateSize(sizeBarView.getProgress())
+		updateSize(sizeBarView.progress)
 		sizeBarView.setOnSeekBarChangeListener(
 			object : SeekBar.OnSeekBarChangeListener {
 				override fun onProgressChanged(
@@ -118,7 +118,7 @@ class EncodeFragment : Fragment() {
 
 	private fun updateSize(power: Int) {
 		val size = getSize(power)
-		sizeView.setText("${size}x$size")
+		sizeView.text = getString(R.string.width_by_height, size, size)
 	}
 
 	private fun getSize(power: Int) = 128 * (power + 1)
@@ -128,7 +128,7 @@ class EncodeFragment : Fragment() {
 			Context.INPUT_METHOD_SERVICE
 		) as InputMethodManager?
 		im?.let {
-			im.hideSoftInputFromWindow(view.getWindowToken(), 0)
+			im.hideSoftInputFromWindow(view.windowToken, 0)
 		}
 	}
 
@@ -144,7 +144,7 @@ class EncodeFragment : Fragment() {
 			args.putString(CONTENT, content)
 			args.putSerializable(FORMAT, format)
 			val fragment = EncodeFragment()
-			fragment.setArguments(args)
+			fragment.arguments = args
 			return fragment
 		}
 	}

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

@@ -0,0 +1,220 @@
+package de.markusfisch.android.binaryeye.fragment
+
+import com.google.zxing.BarcodeFormat
+
+import de.markusfisch.android.binaryeye.adapter.ScansAdapter
+import de.markusfisch.android.binaryeye.app.addFragment
+import de.markusfisch.android.binaryeye.app.db
+import de.markusfisch.android.binaryeye.app.prefs
+import de.markusfisch.android.binaryeye.app.shareText
+import de.markusfisch.android.binaryeye.data.Database
+import de.markusfisch.android.binaryeye.R
+
+import android.app.AlertDialog
+import android.content.Context
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v7.widget.SwitchCompat
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ListView
+
+import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
+class HistoryFragment : Fragment() {
+	private lateinit var listView: ListView
+	private lateinit var fab: View
+	private lateinit var progressView: View
+
+	override fun onCreate(state: Bundle?) {
+		super.onCreate(state)
+		setHasOptionsMenu(true)
+	}
+
+	override fun onCreateView(
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+		state: Bundle?
+	): View {
+		activity.setTitle(R.string.history)
+
+		val view = inflater.inflate(
+			R.layout.fragment_history,
+			container,
+			false
+		)
+
+		val useHistorySwitch = view.findViewById(
+			R.id.use_history
+		) as SwitchCompat
+		initHistorySwitch(useHistorySwitch)
+
+		listView = view.findViewById(R.id.scans)
+		listView.emptyView = useHistorySwitch
+		listView.setOnItemClickListener { _, _, _, id ->
+			showScan(id)
+		}
+		listView.setOnItemLongClickListener { _, v, _, id ->
+			askToRemoveScan(v.context, id)
+			true
+		}
+
+		fab = view.findViewById(R.id.share)
+		fab.setOnClickListener { v ->
+			pickListSeparatorAndShare(v.context)
+		}
+
+		progressView = view.findViewById(R.id.progress_view)
+
+		return view
+	}
+
+	override fun onDestroy() {
+		super.onDestroy()
+		(listView.adapter as ScansAdapter?)?.changeCursor(null)
+	}
+
+	override fun onResume() {
+		super.onResume()
+		update(context)
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		inflater.inflate(R.menu.fragment_history, menu)
+	}
+
+	override fun onOptionsItemSelected(item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.clear -> {
+				askToRemoveAllScans(context)
+				true
+			}
+			else -> super.onOptionsItemSelected(item)
+		}
+	}
+
+	private fun initHistorySwitch(switchView: SwitchCompat) {
+		switchView.setOnCheckedChangeListener { _, isChecked ->
+			prefs.useHistory = isChecked
+		}
+		if (prefs.useHistory) {
+			switchView.toggle()
+		}
+	}
+
+	private fun update(context: Context) {
+		GlobalScope.launch {
+			val cursor = db.getScans()
+			GlobalScope.launch(Main) {
+				fab.visibility = if (cursor != null && cursor.count > 0) {
+					View.VISIBLE
+				} else {
+					View.GONE
+				}
+				cursor?.let {
+					if (listView.adapter == null) {
+						listView.adapter = ScansAdapter(context, cursor)
+					} else {
+						val adapter = listView.adapter as ScansAdapter
+						adapter.changeCursor(cursor)
+						adapter.notifyDataSetChanged()
+					}
+				}
+			}
+		}
+	}
+
+	private fun showScan(id: Long) {
+		val cursor = db.getScan(id)
+		if (cursor != null && cursor.moveToFirst()) {
+			val contentIndex = cursor.getColumnIndex(Database.SCANS_CONTENT)
+			val rawIndex = cursor.getColumnIndex(Database.SCANS_RAW)
+			val formatIndex = cursor.getColumnIndex(Database.SCANS_FORMAT)
+			try {
+				addFragment(
+					fragmentManager,
+					DecodeFragment.newInstance(
+						cursor.getString(contentIndex),
+						BarcodeFormat.valueOf(cursor.getString(formatIndex)),
+						cursor.getBlob(rawIndex)
+					)
+				)
+			} catch (e: IllegalArgumentException) {
+				// shouldn't ever happen
+			}
+		}
+		cursor?.close()
+	}
+
+	private fun askToRemoveScan(context: Context, id: Long) {
+		AlertDialog.Builder(context)
+			.setMessage(R.string.really_remove_scan)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				db.removeScan(id)
+				update(context)
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ ->
+			}
+			.show()
+	}
+
+	private fun askToRemoveAllScans(context: Context) {
+		AlertDialog.Builder(context)
+			.setMessage(R.string.really_remove_all_scans)
+			.setPositiveButton(android.R.string.ok) { _, _ ->
+				db.removeScans()
+				update(context)
+			}
+			.setNegativeButton(android.R.string.cancel) { _, _ ->
+			}
+			.show()
+	}
+
+	private fun pickListSeparatorAndShare(context: Context) {
+		val separators = context.resources.getStringArray(
+			R.array.list_separators_values
+		)
+		AlertDialog.Builder(context)
+			.setTitle(R.string.pick_list_separator)
+			.setItems(R.array.list_separators_names) { _, which ->
+				shareScans(separators[which])
+			}
+			.show()
+	}
+
+	private fun shareScans(separator: String) {
+		if (progressView.visibility == View.VISIBLE) {
+			return
+		}
+		progressView.visibility = View.VISIBLE
+		GlobalScope.launch {
+			val cursor = db.getScans()
+			cursor?.let {
+				val sb = StringBuilder()
+				if (cursor.moveToFirst()) {
+					val contentIndex = cursor.getColumnIndex(
+						Database.SCANS_CONTENT
+					)
+					do {
+						sb.append(cursor.getString(contentIndex))
+						sb.append(separator)
+					} while (cursor.moveToNext())
+				}
+				cursor.close()
+				val text = sb.toString()
+				if (text.isNotEmpty()) {
+					GlobalScope.launch(Main) {
+						progressView.visibility = View.GONE
+						shareText(context, text)
+					}
+				}
+			}
+		}
+	}
+}

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

@@ -0,0 +1,34 @@
+package de.markusfisch.android.binaryeye.preference
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.preference.PreferenceManager
+
+class Preferences {
+	lateinit var preferences: SharedPreferences
+
+	var useHistory = false
+		set(value) {
+			setBoolean(USE_HISTORY, value)
+			field = value
+		}
+
+	fun init(context: Context) {
+		preferences = PreferenceManager.getDefaultSharedPreferences(context)
+		update()
+	}
+
+	fun update() {
+		useHistory = preferences.getBoolean(USE_HISTORY, useHistory)
+	}
+
+	private fun setBoolean(label: String, value: Boolean) {
+		val editor = preferences.edit()
+		editor.putBoolean(label, value)
+		editor.apply()
+	}
+
+	companion object {
+		const val USE_HISTORY = "use_history"
+	}
+}

app/src/main/kotlin/de/markusfisch/android/binaryeye/rs/Preprocessor.kt

@@ -13,7 +13,7 @@ class Preprocessor(
 	context: Context,
 	width: Int,
 	height: Int,
-	val orientation: Int
+	private val orientation: Int
 ) {
 	var outWidth = 0
 	var outHeight = 0
@@ -42,7 +42,7 @@ class Preprocessor(
 			Allocation.USAGE_SCRIPT
 		)
 
-		var f = .75f
+		val f = .75f
 		var w = Math.round(width * f)
 		var h = Math.round(height * f)
 

app/src/main/kotlin/de/markusfisch/android/binaryeye/zxing/Zxing.kt

@@ -7,6 +7,7 @@ import com.google.zxing.LuminanceSource
 import com.google.zxing.MultiFormatReader
 import com.google.zxing.MultiFormatWriter
 import com.google.zxing.PlanarYUVLuminanceSource
+import com.google.zxing.RGBLuminanceSource
 import com.google.zxing.ReaderException
 import com.google.zxing.Result
 import com.google.zxing.common.HybridBinarizer
@@ -49,7 +50,7 @@ class Zxing {
 		)
 
 		val hints = EnumMap<DecodeHintType, Any>(DecodeHintType::class.java)
-		hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats)
+		hints[DecodeHintType.POSSIBLE_FORMATS] = decodeFormats
 
 		multiFormatReader.setHints(hints)
 	}
@@ -70,6 +71,42 @@ class Zxing {
 			height,
 			false
 		)
+		return decodeLuminanceSource(source, invert)
+	}
+
+	fun decodePositiveNegative(bitmap: Bitmap): Result? {
+		val result = decode(bitmap, false)
+		if (result != null) {
+			return result
+		}
+		return decode(bitmap, true)
+	}
+
+	fun decode(bitmap: Bitmap, invert: Boolean = false): Result? {
+		val pixels = IntArray(bitmap.width * bitmap.height)
+		return decode(pixels, bitmap, invert)
+	}
+
+	fun decode(
+		pixels: IntArray,
+		bitmap: Bitmap,
+		invert: Boolean = false
+	): Result? {
+		val width = bitmap.width
+		val height = bitmap.height
+		if (bitmap.config != Bitmap.Config.ARGB_8888) {
+			bitmap.copy(Bitmap.Config.ARGB_8888, true)
+		} else {
+			bitmap
+		}.getPixels(pixels, 0, width, 0, 0, width, height)
+		val source = RGBLuminanceSource(width, height, pixels)
+		return decodeLuminanceSource(source, invert)
+	}
+
+	private fun decodeLuminanceSource(
+		source: LuminanceSource,
+		invert: Boolean
+	): Result? {
 		return decodeLuminanceSource(
 			if (invert) {
 				source.invert()
@@ -101,24 +138,28 @@ class Zxing {
 			height: Int
 		): Bitmap? {
 			val result = MultiFormatWriter().encode(
-				text, format,
-				width, height, null
+				text,
+				format,
+				width,
+				height,
+				null
 			)
-			val w = result.getWidth()
-			val h = result.getHeight()
+			val w = result.width
+			val h = result.height
 			val pixels = IntArray(w * h)
 			var offset = 0
-			for (y in 0..h - 1) {
-				for (x in 0..w - 1) {
-					pixels[offset + x] = if (result.get(x, y))
+			for (y in 0 until h) {
+				for (x in 0 until w) {
+					pixels[offset + x] = if (result.get(x, y)) {
 						BLACK
-					else
+					} else {
 						WHITE
+					}
 				}
 				offset += w
 			}
 			val bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
-			bitmap.setPixels(pixels, 0, width, 0, 0, w, h)
+			bitmap.setPixels(pixels, 0, w, 0, 0, w, h)
 			return bitmap
 		}
 	}

app/src/main/res/drawable/background_scanner.xml

@@ -1,7 +0,0 @@
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-	android:shape="line"
-	android:gravity="center">
-	<stroke
-		android:width="1dp"
-		android:color="@color/accent"/>
-</shape>

app/src/main/res/drawable/ic_action_clear.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2L18,7L6,7v12zM8.46,11.88l1.41,-1.41L12,12.59l2.12,-2.12 1.41,1.41L13.41,14l2.12,2.12 -1.41,1.41L12,15.41l-2.12,2.12 -1.41,-1.41L10.59,14l-2.13,-2.12zM15.5,4l-1,-1h-5l-1,1L5,4v2h14L19,4z"/>
+</vector>

app/src/main/res/drawable/ic_action_history.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M13,3c-4.97,0 -9,4.03 -9,9L1,12l3.89,3.89 0.07,0.14L9,12L6,12c0,-3.87 3.13,-7 7,-7s7,3.13 7,7 -3.13,7 -7,7c-1.93,0 -3.68,-0.79 -4.94,-2.06l-1.42,1.42C8.27,19.99 10.51,21 13,21c4.97,0 9,-4.03 9,-9s-4.03,-9 -9,-9zM12,8v5l4.28,2.54 0.72,-1.21 -3.5,-2.08L13.5,8L12,8z"/>
+</vector>

app/src/main/res/drawable/ic_action_mail.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+		android:viewportHeight="24.0" android:viewportWidth="24.0"
+		android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+	<path android:fillColor="#FF000000"
+		android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,18L4,18L4,8l8,5 8,-5v10zM12,11L4,6h16l-8,5z"/>
+</vector>

app/src/main/res/drawable/ic_action_remove.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM17,13L7,13v-2h10v2z"/>
+</vector>

app/src/main/res/drawable/ic_action_save.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M17,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,7l-4,-4zM12,19c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3 3,1.34 3,3 -1.34,3 -3,3zM15,9L5,9L5,5h10v4z"/>
+</vector>

app/src/main/res/drawable/ic_action_sms.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+		android:viewportHeight="24.0" android:viewportWidth="24.0"
+		android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+	<path android:fillColor="#FF000000"
+		android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM9,11L7,11L7,9h2v2zM13,11h-2L11,9h2v2zM17,11h-2L15,9h2v2z"/>
+</vector>

app/src/main/res/drawable/ic_action_switch_camera.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M20,4h-3.17L15,2L9,2L7.17,4L4,4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM15,15.5L15,13L9,13v2.5L5.5,12 9,8.5L9,11h6L15,8.5l3.5,3.5 -3.5,3.5z"/>
+</vector>

app/src/main/res/drawable/ic_action_tel.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+		android:viewportHeight="24.0" android:viewportWidth="24.0"
+		android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+	<path android:fillColor="#FF000000"
+		android:pathData="M6.62,10.79c1.44,2.83 3.76,5.14 6.59,6.59l2.2,-2.2c0.27,-0.27 0.67,-0.36 1.02,-0.24 1.12,0.37 2.33,0.57 3.57,0.57 0.55,0 1,0.45 1,1V20c0,0.55 -0.45,1 -1,1 -9.39,0 -17,-7.61 -17,-17 0,-0.55 0.45,-1 1,-1h3.5c0.55,0 1,0.45 1,1 0,1.25 0.2,2.45 0.57,3.57 0.11,0.35 0.03,0.74 -0.25,1.02l-2.2,2.2z"/>
+</vector>

app/src/main/res/drawable/ic_action_vcard.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+        android:viewportHeight="24.0" android:viewportWidth="24.0"
+        android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000"
+        android:pathData="M19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM12,6c1.66,0 3,1.34 3,3s-1.34,3 -3,3 -3,-1.34 -3,-3 1.34,-3 3,-3zM18,18L6,18v-1c0,-2 4,-3.1 6,-3.1s6,1.1 6,3.1v1z"/>
+</vector>

app/src/main/res/drawable/ic_action_vevent.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+        android:viewportHeight="24.0" android:viewportWidth="24.0"
+        android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000"
+        android:pathData="M17,12h-5v5h5v-5zM16,1v2L8,3L8,1L6,1v2L5,3c-1.11,0 -1.99,0.9 -1.99,2L3,19c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2h-1L18,1h-2zM19,19L5,19L5,8h14v11z"/>
+</vector>

app/src/main/res/drawable/ic_action_wifi.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+	android:viewportHeight="24.0" android:viewportWidth="24.0"
+	android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+	<path android:fillColor="#FF000000" android:pathData="M1,9l2,2c4.97,-4.97 13.03,-4.97 18,0l2,-2C16.93,2.93 7.08,2.93 1,9zM9,17l3,3 3,-3c-1.65,-1.66 -4.34,-1.66 -6,0zM5,13l2,2c2.76,-2.76 7.24,-2.76 10,0l2,-2C15.14,9.14 8.87,9.14 5,13z"/>
+</vector>

app/src/main/res/layout/activity_camera.xml

@@ -10,8 +10,7 @@
 		android:layout_width="match_parent"
 		android:layout_height="match_parent"
 		android:orientation="vertical"
-		android:fitsSystemWindows="true"
-		android:background="@drawable/background_scanner">
+		android:fitsSystemWindows="true">
 		<include layout="@layout/toolbar"/>
 		<SeekBar
 			android:id="@+id/zoom"
@@ -33,6 +32,7 @@
 			android:layout_alignParentRight="true"
 			android:layout_alignParentBottom="true"
 			android:layout_margin="20dp"
+			android:contentDescription="@string/toggle_flash"
 			android:src="@drawable/ic_action_flash"
 			app:elevation="4dp"/>
 	</RelativeLayout>

app/src/main/res/layout/dialog_save_file.xml

@@ -0,0 +1,18 @@
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="wrap_content"
+	android:layout_height="wrap_content"
+	android:orientation="vertical"
+	android:padding="16dp">
+	<TextView
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginBottom="8dp"
+		android:text="@string/save_as_file_name"/>
+	<EditText
+		android:id="@+id/file_name"
+		android:inputType="text"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:hint="@string/file_name" />
+</LinearLayout>

app/src/main/res/layout/fragment_barcode.xml

@@ -1,6 +1,24 @@
-<ImageView
+<RelativeLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:id="@+id/barcode"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
-	android:layout_height="match_parent"
-	android:contentDescription="@string/view_barcode"/>
+	android:layout_height="match_parent">
+	<de.markusfisch.android.scalingimageview.widget.ScalingImageView
+		android:id="@+id/barcode"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:contentDescription="@string/view_barcode"/>
+	<android.support.design.widget.FloatingActionButton
+		tools:ignore="UnusedAttribute"
+		android:id="@+id/share"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignParentEnd="true"
+		android:layout_alignParentRight="true"
+		android:layout_alignParentBottom="true"
+		android:layout_margin="20dp"
+		android:contentDescription="@string/share"
+		android:src="@drawable/ic_action_share"
+		app:elevation="4dp"/>
+</RelativeLayout>

app/src/main/res/layout/fragment_decode.xml

@@ -4,16 +4,52 @@
 	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent">
-	<EditText
-		android:id="@+id/content"
+	<ScrollView
 		android:layout_width="match_parent"
-		android:layout_height="wrap_content"
-		android:layout_margin="16dp"
-		android:gravity="start|top"
-		android:imeOptions="flagNoExtractUi"
-		android:inputType="textMultiLine"
-		android:typeface="monospace"
-		android:hint="@string/content"/>
+		android:layout_height="match_parent">
+		<RelativeLayout
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content">
+
+			<EditText
+				android:id="@+id/content"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_margin="16dp"
+				android:gravity="start|top"
+				android:hint="@string/content"
+				android:imeOptions="flagNoExtractUi"
+				android:importantForAutofill="no"
+				android:inputType="textMultiLine"
+				android:typeface="monospace"
+				tools:ignore="UnusedAttribute"/>
+
+			<TextView
+				android:id="@+id/format"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_below="@+id/content"
+				android:layout_marginEnd="16dp"
+				android:layout_marginRight="16dp"
+				android:layout_marginBottom="16dp"
+				android:gravity="end|top"
+				android:textSize="14sp" />
+			<TextView
+				android:id="@+id/hex"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_below="@+id/format"
+				android:layout_marginStart="16dp"
+				android:layout_marginLeft="16dp"
+				android:layout_marginEnd="16dp"
+				android:layout_marginRight="16dp"
+				android:layout_marginBottom="16dp"
+				android:typeface="monospace"
+				android:textSize="12sp"
+				tools:text="54 65 73 74 20 51 52 20  Test QR\n43 6F 64 65              Code"/>
+
+		</RelativeLayout>
+	</ScrollView>
 	<android.support.design.widget.FloatingActionButton
 		tools:ignore="UnusedAttribute"
 		android:id="@+id/share"
@@ -23,6 +59,7 @@
 		android:layout_alignParentRight="true"
 		android:layout_alignParentBottom="true"
 		android:layout_margin="20dp"
+		android:contentDescription="@string/share"
 		android:src="@drawable/ic_action_share"
 		app:elevation="4dp"/>
 </RelativeLayout>

app/src/main/res/layout/fragment_encode.xml

@@ -43,6 +43,7 @@
 			android:layout_marginBottom="8dp"
 			android:text="@string/content"/>
 		<EditText
+			tools:targetApi="o"
 			android:id="@+id/content"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
@@ -51,7 +52,8 @@
 			android:typeface="monospace"
 			android:imeOptions="flagNoExtractUi"
 			android:inputType="textMultiLine"
-			android:hint="@string/input_content_here"/>
+			android:hint="@string/input_content_here"
+			android:importantForAutofill="no"/>
 		<Button
 			style="@style/Button"
 			android:id="@+id/encode"

app/src/main/res/layout/fragment_history.xml

@@ -0,0 +1,36 @@
+<RelativeLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+	<ListView
+		android:id="@+id/scans"
+		android:choiceMode="singleChoice"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:divider="@color/separator"
+		android:dividerHeight="1px"/>
+	<android.support.v7.widget.SwitchCompat
+		android:visibility="gone"
+		android:id="@+id/use_history"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_alignParentTop="true"
+		android:padding="16dp"
+		android:text="@string/use_history"/>
+	<android.support.design.widget.FloatingActionButton
+		tools:ignore="UnusedAttribute"
+		android:visibility="gone"
+		android:id="@+id/share"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignParentEnd="true"
+		android:layout_alignParentRight="true"
+		android:layout_alignParentBottom="true"
+		android:layout_margin="20dp"
+		android:contentDescription="@string/share"
+		android:src="@drawable/ic_action_share"
+		app:elevation="4dp"/>
+	<include layout="@layout/progress_view"/>
+</RelativeLayout>

app/src/main/res/layout/progress_view.xml

@@ -0,0 +1,16 @@
+<FrameLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:id="@+id/progress_view"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:background="@color/background_progress"
+	android:clickable="true"
+	android:focusable="true"
+	android:visibility="gone">
+	<ProgressBar
+		style="?android:attr/progressBarStyleLarge"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_gravity="center"
+		android:gravity="center"/>
+</FrameLayout>

app/src/main/res/layout/row_scan.xml

@@ -0,0 +1,30 @@
+<RelativeLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:padding="16dp">
+	<TextView
+		android:id="@+id/time"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignParentLeft="true"
+		android:layout_alignParentStart="true"
+		android:layout_alignParentTop="true"/>
+	<TextView
+		android:id="@+id/format"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:gravity="end"
+		android:layout_toRightOf="@+id/time"
+		android:layout_toEndOf="@+id/time"
+		android:layout_alignParentRight="true"
+		android:layout_alignParentEnd="true"
+		android:layout_alignParentTop="true"/>
+	<TextView
+		android:id="@+id/content"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_below="@+id/time"
+		android:layout_marginTop="4dp"
+		android:typeface="monospace"/>
+</RelativeLayout>

app/src/main/res/layout/toolbar.xml

@@ -5,4 +5,4 @@
 	android:id="@+id/toolbar"
 	android:layout_width="match_parent"
 	android:layout_height="?attr/actionBarSize"
-	android:background="@color/primary_translucent"/>
+	android:background="@android:color/transparent"/>

app/src/main/res/menu/activity_camera.xml

@@ -2,13 +2,23 @@
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:material="http://schemas.android.com/apk/res-auto">
 	<item
-		android:id="@+id/info"
-		android:title="@string/info"
-		android:icon="@drawable/ic_action_info"
+		android:id="@+id/history"
+		android:title="@string/history"
+		android:icon="@drawable/ic_action_history"
 		material:showAsAction="ifRoom"/>
 	<item
 		android:id="@+id/create"
 		android:title="@string/compose_barcode"
 		android:icon="@drawable/ic_action_create"
 		material:showAsAction="ifRoom"/>
+	<item
+		android:id="@+id/switch_camera"
+		android:title="@string/switch_camera"
+		android:icon="@drawable/ic_action_switch_camera"
+		material:showAsAction="ifRoom"/>
+	<item
+		android:id="@+id/info"
+		android:title="@string/info"
+		android:icon="@drawable/ic_action_info"
+		material:showAsAction="ifRoom"/>
 </menu>

app/src/main/res/menu/fragment_history.xml

@@ -0,0 +1,9 @@
+<menu
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:material="http://schemas.android.com/apk/res-auto">
+	<item
+		android:id="@+id/clear"
+		android:title="@string/clear_history"
+		android:icon="@drawable/ic_action_clear"
+		material:showAsAction="ifRoom"/>
+</menu>

app/src/main/res/values-de/strings.xml

@@ -3,16 +3,54 @@
 	<string name="camera_error">Auf die Kamera kann nicht zugegriffen werden, bitte versuche es nochmal</string>
 	<string name="scan_code">Code scannen</string>
 	<string name="compose_barcode">Barcode erstellen</string>
+	<string name="decode_barcode">Barcode dekodieren</string>
 	<string name="content">Inhalt</string>
+	<string name="binary_data">(Binäre Daten)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d Zeichen</item>
+		<item quantity="other">%1$s\n%2$d Zeichen</item>
+	</plurals>
+	<string name="toggle_flash">Licht an/ausschalten</string>
+	<string name="share">Teilen</string>
 	<string name="copy_to_clipboard">In die Zwischenablage kopieren</string>
 	<string name="put_into_clipboard">In die Zwischenablage legen</string>
 	<string name="open_url">URL öffnen</string>
 	<string name="cannot_resolve_action">Keine App kann das öffnen</string>
+	<string name="pick_search_engine">Suchmaschine auswählen</string>
 	<string name="format">Format</string>
 	<string name="size">Größe in Pixeln</string>
+	<string name="width_by_height">%1$d×%2$d</string>
 	<string name="input_content_here">Gib den Inhalt hier ein</string>
 	<string name="encode">KODIEREN</string>
 	<string name="error_no_content">Fehlender Inhalt</string>
+	<string name="error_encoding_barcode">Barcode kann nicht generiert werden</string>
 	<string name="view_barcode">Barcode ansehen</string>
 	<string name="info">Info</string>
+	<string name="switch_camera">Kamera wechseln</string>
+	<string name="history">Gespeicherte Codes</string>
+	<string name="use_history">Codes speichern</string>
+	<string name="really_remove_scan">Code wirklich entfernen?</string>
+	<string name="really_remove_all_scans">Alle Codes entfernen?</string>
+	<string name="clear_history">Gespeicherte Codes löschen</string>
+	<string name="no_barcode_found">Kein Barcode gefunden</string>
+	<string name="pick_list_separator">Wie sollen die Einträge getrennt werden?</string>
+	<string name="separator_line_break">Zeilenumbruch</string>
+	<string name="separator_ruler">Trennstrich</string>
+	<string name="save_as_file_name">Speichern als?</string>
+	<string name="file_name">Dateiname</string>
+	<string name="error_saving_binary_data">Datei konnte nicht gespeichert werden</string>
+	<string name="error_file_exists">Datei existiert bereits</string>
+	<string name="connect_to_wifi">Mit WiFi verbinden</string>
+	<string name="wifi_config_failed">Konnte WiFi nicht konfigurieren</string>
+	<string name="wifi_added">WiFi hinzugefügt</string>
+	<string name="sms_send">SMS senden</string>
+	<string name="sms_error">SMS konnte nicht gesendet werden</string>
+	<string name="tel_dial">Telefonnummer wählen</string>
+	<string name="tel_error">Konnte Telefonnummer nicht wählen</string>
+	<string name="mail_send">E-Mail senden</string>
+	<string name="mail_error">Konnte E-Mail nicht senden</string>
+	<string name="vcard_add">Zu den Kontakten hinzufügen</string>
+	<string name="vcard_failed">Konnte nicht zu den Kontakten hinzufügen</string>
+	<string name="vevent_add">Zum Kalender hinzufügen</string>
+	<string name="vevent_failed">Konnte nicht zum Kalender hinzufügen</string>
 </resources>

app/src/main/res/values-fr/strings.xml

@@ -0,0 +1,56 @@
+<resources>
+	<string name="no_camera_no_fun">Cette application n\'a aucun sens sans accès possible à la caméra. Au revoir.</string>
+	<string name="camera_error">Impossible d\'accéder à la caméra, veuillez réessayer</string>
+	<string name="scan_code">Scanner le code</string>
+	<string name="compose_barcode">Créer un code-barres</string>
+	<string name="decode_barcode">Décoder le code-barres</string>
+	<string name="content">Contenu</string>
+	<string name="binary_data">(binary data)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d character</item>
+		<item quantity="other">%1$s\n%2$d characters</item>
+	</plurals>
+	<string name="toggle_flash">Toggle flash</string>
+	<string name="share">Share</string>
+	<string name="copy_to_clipboard">Copier dans le presse-papier</string>
+	<string name="put_into_clipboard">Mis dans le presse-papiers</string>
+	<string name="open_url">Ouvrir l\'url</string>
+	<string name="cannot_resolve_action">Aucune application ne peut ouvrir ça</string>
+	<string name="pick_search_engine">Pick a search engine</string>
+	<string name="format">Format</string>
+	<string name="size">Taille en pixels</string>
+	<string name="width_by_height">%1$d×%2$d</string>
+	<string name="input_content_here">Entrez votre contenu ici</string>
+	<string name="encode">ENCODER</string>
+	<string name="error_no_content">Contenu manquant</string>
+	<string name="error_encoding_barcode">Barcode cannot be generated</string>
+	<string name="view_barcode">Voir le code barre</string>
+	<string name="info">Info</string>
+	<string name="switch_camera">Changer de camera</string>
+	<string name="history">Historique</string>
+	<string name="use_history">Sauvegarder l\'histoire des scans</string>
+	<string name="really_remove_scan">Supprimer le scan ?</string>
+	<string name="really_remove_all_scans">Supprimer tous les scans ?</string>
+	<string name="clear_history">Clear history</string>
+	<string name="no_barcode_found">Aucun code-barres trouvé</string>
+	<string name="pick_list_separator">How to separate list items?</string>
+	<string name="separator_line_break">Line break</string>
+	<string name="separator_ruler">Ruler</string>
+	<string name="save_as_file_name">Save as file?</string>
+	<string name="file_name">File name</string>
+	<string name="error_saving_binary_data">Cannot save file</string>
+	<string name="error_file_exists">File already exists</string>
+	<string name="connect_to_wifi">Connect to WiFi</string>
+	<string name="wifi_config_failed">Could not configure WiFi</string>
+	<string name="wifi_added">WiFi added</string>
+	<string name="sms_send">Send SMS</string>
+	<string name="sms_error">Could not send SMS</string>
+	<string name="tel_dial">Dial number</string>
+	<string name="tel_error">Could not dial number</string>
+	<string name="mail_send">Send mail</string>
+	<string name="mail_error">Could not send mail</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
+</resources>

app/src/main/res/values-hu/strings.xml

@@ -0,0 +1,56 @@
+<resources>
+	<string name="no_camera_no_fun">Ennek az alkalmazásnak nincs semmi értelme kamera-hozzáférés nélkül. Viszlát!</string>
+	<string name="camera_error">Nem lehet hozzáférni a kamerához, próbálja meg újra</string>
+	<string name="scan_code">Kód beolvasása</string>
+	<string name="compose_barcode">Vonalkód létrehozása</string>
+	<string name="decode_barcode">Vonalkód visszafejtése</string>
+	<string name="content">Tartalom</string>
+	<string name="binary_data">(bináris adat)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d karakter</item>
+		<item quantity="other">%1$s\n%2$d karakter</item>
+	</plurals>
+	<string name="toggle_flash">Vaku be- vagy kikapcsolása</string>
+	<string name="share">Megosztás</string>
+	<string name="copy_to_clipboard">Másolás a vágólapra</string>
+	<string name="put_into_clipboard">Vágólapra helyezés</string>
+	<string name="open_url">URL megnyitása</string>
+	<string name="cannot_resolve_action">Nincs alkalmazás, amely meg tudná nyitni azt</string>
+	<string name="pick_search_engine">Válasszon egy keresőmotort</string>
+	<string name="format">Formátum</string>
+	<string name="size">Méret képpontban</string>
+	<string name="width_by_height">%1$d×%2$d</string>
+	<string name="input_content_here">Itt adja meg a tartalmat</string>
+	<string name="encode">KÓDOLÁS</string>
+	<string name="error_no_content">Hiányzó tartalom</string>
+	<string name="error_encoding_barcode">A vonalkódot nem lehet előállítani</string>
+	<string name="view_barcode">Vonalkód megtekintése</string>
+	<string name="info">Információ</string>
+	<string name="switch_camera">Kamera átkapcsolása</string>
+	<string name="history">Előzmények</string>
+	<string name="use_history">Beolvasási előzmények mentése</string>
+	<string name="really_remove_scan">Valóban eltávolítja a beolvasást?</string>
+	<string name="really_remove_all_scans">Valóban eltávolítja az összes beolvasását?</string>
+	<string name="clear_history">Előzmények törlése</string>
+	<string name="no_barcode_found">Nem található vonalkód</string>
+	<string name="pick_list_separator">Hogyan kell elválasztani a listaelemeket?</string>
+	<string name="separator_line_break">Sortörés</string>
+	<string name="separator_ruler">Vonalzó</string>
+	<string name="save_as_file_name">Menti fájlként?</string>
+	<string name="file_name">Fájlnév</string>
+	<string name="error_saving_binary_data">Nem lehet elmenteni a fájlt</string>
+	<string name="error_file_exists">A fájl már létezik</string>
+	<string name="connect_to_wifi">Kapcsolódás WiFi-hez</string>
+	<string name="wifi_config_failed">Nem sikerült beállítani a WiFi-t</string>
+	<string name="wifi_added">WiFi hozzáadva</string>
+	<string name="sms_send">SMS küldése</string>
+	<string name="sms_error">Nem sikerült elküldeni az SMS-t</string>
+	<string name="tel_dial">Szám tárcsázása</string>
+	<string name="tel_error">Nem sikerült tárcsázni a számot</string>
+	<string name="mail_send">Levél küldése</string>
+	<string name="mail_error">Nem sikerült elküldeni a levelet</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
+</resources>

app/src/main/res/values-in/strings.xml

@@ -0,0 +1,56 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+	<string name="no_camera_no_fun">Aplikasi ini tidak akan bisa bekerja tanpa akses kamera. Selamat tinggal.</string>
+	<string name="camera_error">Tidak bisa mengakses kamera, silakan coba lagi</string>
+	<string name="scan_code">Pindai kode</string>
+	<string name="compose_barcode">Buat barcode</string>
+	<string name="decode_barcode">Dekode barcode</string>
+	<string name="content">Konten</string>
+	<string name="binary_data">(data binari)</string>
+	<plurals name="barcode_info" tools:ignore="UnusedQuantity">
+		<item quantity="one">%1$s\n%2$d karakter</item>
+		<item quantity="other">%1$s\n%2$d karakter</item>
+	</plurals>
+	<string name="toggle_flash">Nyala/Matikan blitz</string>
+	<string name="share">Bagikan</string>
+	<string name="copy_to_clipboard">Salin ke papan klip</string>
+	<string name="put_into_clipboard">Simpan ke papan klip</string>
+	<string name="open_url">Buka url</string>
+	<string name="cannot_resolve_action">Tidak ada aplikasi yang bisa membukanya</string>
+	<string name="pick_search_engine">Pilih mesin pencari</string>
+	<string name="format">Format</string>
+	<string name="size">Ukuran dalam piksel</string>
+	<string name="width_by_height">%1$d×%2$d</string>
+	<string name="input_content_here">Masukkan konten di sini</string>
+	<string name="encode">ENKODE</string>
+	<string name="error_no_content">Tidak ada konten</string>
+	<string name="error_encoding_barcode">Barcode tidak bisa dibuat</string>
+	<string name="view_barcode">Lihat barcode</string>
+	<string name="info">Info</string>
+	<string name="switch_camera">Ganti kamera</string>
+	<string name="history">Riwayat</string>
+	<string name="use_history">Simpan riwayat pemindaian</string>
+	<string name="really_remove_scan">Yakin menghapus pemindaian?</string>
+	<string name="really_remove_all_scans">Yakin menghapus semua pemindaian?</string>
+	<string name="clear_history">Hapus riwayat</string>
+	<string name="no_barcode_found">Tidak ada barcode yang ditemukan</string>
+	<string name="pick_list_separator">Pilih pemisah daftar item?</string>
+	<string name="separator_line_break">Baris baru</string>
+	<string name="separator_ruler">Penggaris</string>
+	<string name="save_as_file_name">Simpan sebagai berkas?</string>
+	<string name="file_name">Nama berkas</string>
+	<string name="error_saving_binary_data">Tidak bisa menyimpan berkas</string>
+	<string name="error_file_exists">Berkas sudah ada</string>
+	<string name="connect_to_wifi">Connect to WiFi</string>
+	<string name="wifi_config_failed">Could not configure WiFi</string>
+	<string name="wifi_added">WiFi added</string>
+	<string name="sms_send">Send SMS</string>
+	<string name="sms_error">Could not send SMS</string>
+	<string name="tel_dial">Dial number</string>
+	<string name="tel_error">Could not dial number</string>
+	<string name="mail_send">Send mail</string>
+	<string name="mail_error">Could not send mail</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
+</resources>

app/src/main/res/values-it/strings.xml

@@ -0,0 +1,56 @@
+<resources>
+	<string name="no_camera_no_fun">Quest\'app non ha alcuna utilità senza accesso alla camera. Addio.</string>
+	<string name="camera_error">Impossibile accedere alla camera. Riprovare</string>
+	<string name="scan_code">Codice</string>
+	<string name="compose_barcode">Crea codice a barre</string>
+	<string name="decode_barcode">Decodifica codice a barre</string>
+	<string name="content">Contenuto</string>
+	<string name="binary_data">(binary data)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d character</item>
+		<item quantity="other">%1$s\n%2$d characters</item>
+	</plurals>
+	<string name="toggle_flash">Flash</string>
+	<string name="share">Condividi</string>
+	<string name="copy_to_clipboard">Copia negli appunti</string>
+	<string name="put_into_clipboard">Metti negli appunti</string>
+	<string name="open_url">Apri URL</string>
+	<string name="cannot_resolve_action">Nessuna app può aprirlo</string>
+	<string name="pick_search_engine">Pick a search engine</string>
+	<string name="format">Formato</string>
+	<string name="size">Dimensioni in pixel</string>
+	<string name="width_by_height">%1$d×%2$d</string>
+	<string name="input_content_here">Contenuto input qui</string>
+	<string name="encode">CODIFICA</string>
+	<string name="error_no_content">Contenuto mancante</string>
+	<string name="error_encoding_barcode">Barcode cannot be generated</string>
+	<string name="view_barcode">Vedi codice a barre</string>
+	<string name="info">Info</string>
+	<string name="switch_camera">Cambia camera</string>
+	<string name="history">Cronologia</string>
+	<string name="use_history">Salva cronologia delle scansioni</string>
+	<string name="really_remove_scan">Vuoi veramente rimuovere la scansione?</string>
+	<string name="really_remove_all_scans">Vuoi veramente rimuovere tutte le scansioni?</string>
+	<string name="clear_history">Pulisci cronologia</string>
+	<string name="no_barcode_found">Nessun codice a barre trovato</string>
+	<string name="pick_list_separator">Come separare elementi di una lista?</string>
+	<string name="separator_line_break">Interruzione di linea</string>
+	<string name="separator_ruler">Righello</string>
+	<string name="save_as_file_name">Save as file?</string>
+	<string name="file_name">File name</string>
+	<string name="error_saving_binary_data">Cannot save file</string>
+	<string name="error_file_exists">File already exists</string>
+	<string name="connect_to_wifi">Connect to WiFi</string>
+	<string name="wifi_config_failed">Could not configure WiFi</string>
+	<string name="wifi_added">WiFi added</string>
+	<string name="sms_send">Send SMS</string>
+	<string name="sms_error">Could not send SMS</string>
+	<string name="tel_dial">Dial number</string>
+	<string name="tel_error">Could not dial number</string>
+	<string name="mail_send">Send mail</string>
+	<string name="mail_error">Could not send mail</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
+</resources>

app/src/main/res/values-nl/strings.xml

@@ -0,0 +1,56 @@
+<resources>
+	<string name="no_camera_no_fun">Deze app kan niet werken zonder cameratoegang. Tot ziens.</string>
+	<string name="camera_error">Kan camera niet openen; probeer het opnieuw.</string>
+	<string name="scan_code">Scan een scode</string>
+	<string name="compose_barcode">Scan een barcode</string>
+	<string name="decode_barcode">Decode barcode</string>
+	<string name="content">Inhoud</string>
+	<string name="binary_data">(binary data)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d character</item>
+		<item quantity="other">%1$s\n%2$d characters</item>
+	</plurals>
+	<string name="toggle_flash">Toggle flash</string>
+	<string name="share">Share</string>
+	<string name="copy_to_clipboard">Kopiëren naar klembord</string>
+	<string name="put_into_clipboard">Kopieer de inhoud naar het klembord</string>
+	<string name="open_url">URL openen</string>
+	<string name="cannot_resolve_action">Er is geen app aangetroffen die dit kan openen</string>
+	<string name="pick_search_engine">Pick a search engine</string>
+	<string name="format">Formaat</string>
+	<string name="size">Grootte, in pixels</string>
+	<string name="width_by_height">%1$d×%2$d</string>
+	<string name="input_content_here">Voer hier de inhoud in</string>
+	<string name="encode">CODEREN</string>
+	<string name="error_no_content">Inhoud ontbreekt</string>
+	<string name="error_encoding_barcode">Barcode cannot be generated</string>
+	<string name="view_barcode">Barcode bekijken</string>
+	<string name="info">Informatie</string>
+	<string name="switch_camera">Camera wisselen</string>
+	<string name="history">History</string>
+	<string name="use_history">Save scan history</string>
+	<string name="really_remove_scan">Really remove scan?</string>
+	<string name="really_remove_all_scans">Really remove all scans?</string>
+	<string name="clear_history">Clear history</string>
+	<string name="no_barcode_found">No barcode found</string>
+	<string name="pick_list_separator">How to separate list items?</string>
+	<string name="separator_line_break">Line break</string>
+	<string name="separator_ruler">Ruler</string>
+	<string name="save_as_file_name">Save as file?</string>
+	<string name="file_name">File name</string>
+	<string name="error_saving_binary_data">Cannot save file</string>
+	<string name="error_file_exists">File already exists</string>
+	<string name="connect_to_wifi">Connect to WiFi</string>
+	<string name="wifi_config_failed">Could not configure WiFi</string>
+	<string name="wifi_added">WiFi added</string>
+	<string name="sms_send">Send SMS</string>
+	<string name="sms_error">Could not send SMS</string>
+	<string name="tel_dial">Dial number</string>
+	<string name="tel_error">Could not dial number</string>
+	<string name="mail_send">Send mail</string>
+	<string name="mail_error">Could not send mail</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
+</resources>

app/src/main/res/values/colors.xml

@@ -1,10 +1,10 @@
 <resources>
 	<color name="primary">#222</color>
-	<color name="primary_translucent">#8222</color>
 	<color name="primary_dark">#111</color>
-	<color name="primary_dark_translucent">#8111</color>
 	<color name="accent">#b6d46f</color>
 	<color name="accent_dark">#a6c45f</color>
 	<color name="background_color">#111</color>
+	<color name="background_progress">#8000</color>
 	<color name="button_text">#fff</color>
+	<color name="separator">#333</color>
 </resources>

app/src/main/res/values/list_separators.xml

@@ -0,0 +1,10 @@
+<resources>
+	<string-array name="list_separators_names">
+		<item>@string/separator_line_break</item>
+		<item>@string/separator_ruler</item>
+	</string-array>
+	<string-array name="list_separators_values">
+		<item>\n</item>
+		<item>\n---\n</item>
+	</string-array>
+</resources>

app/src/main/res/values/search_engines.xml

@@ -0,0 +1,18 @@
+<resources>
+	<string-array name="search_engines_names">
+		<item>Google</item>
+		<item>DuckDuckGo</item>
+		<item>Qwant</item>
+		<item>OpenFoodFacts.org</item>
+		<item>OpenBeautyFacts.org</item>
+		<item>OpenPetFoodFacts.org</item>
+	</string-array>
+	<string-array name="search_engines_values">
+		<item>https://www.google.com/search?q=</item>
+		<item>https://duckduckgo.com/?q=</item>
+		<item>https://www.qwant.com/?q=</item>
+		<item>https://world.openfoodfacts.org/cgi/search.pl?search_terms=</item>
+		<item>https://world.openbeautyfacts.org/cgi/search.pl?search_terms=</item>
+		<item>https://world.openpetfoodfacts.org/cgi/search.pl?search_terms=</item>
+	</string-array>
+</resources>

app/src/main/res/values/strings.xml

@@ -3,16 +3,54 @@
 	<string name="camera_error">Can\'t access camera, please try again</string>
 	<string name="scan_code">Scan code</string>
 	<string name="compose_barcode">Compose barcode</string>
+	<string name="decode_barcode">Decode barcode</string>
 	<string name="content">Content</string>
+	<string name="binary_data">(binary data)</string>
+	<plurals name="barcode_info">
+		<item quantity="one">%1$s\n%2$d character</item>
+		<item quantity="other">%1$s\n%2$d characters</item>
+	</plurals>
+	<string name="toggle_flash">Toggle flash</string>
+	<string name="share">Share</string>
 	<string name="copy_to_clipboard">Copy to clipboard</string>
 	<string name="put_into_clipboard">Put into clipboard</string>
 	<string name="open_url">Open url</string>
 	<string name="cannot_resolve_action">No application can open that</string>
+	<string name="pick_search_engine">Pick a search engine</string>
 	<string name="format">Format</string>
 	<string name="size">Size in pixels</string>
+	<string name="width_by_height">%1$d×%2$d</string>
 	<string name="input_content_here">Input content here</string>
 	<string name="encode">ENCODE</string>
 	<string name="error_no_content">Missing content</string>
+	<string name="error_encoding_barcode">Barcode cannot be generated</string>
 	<string name="view_barcode">View barcode</string>
 	<string name="info">Info</string>
+	<string name="switch_camera">Switch camera</string>
+	<string name="history">History</string>
+	<string name="use_history">Save scan history</string>
+	<string name="really_remove_scan">Really remove scan?</string>
+	<string name="really_remove_all_scans">Really remove all scans?</string>
+	<string name="clear_history">Clear history</string>
+	<string name="no_barcode_found">No barcode found</string>
+	<string name="pick_list_separator">How to separate list items?</string>
+	<string name="separator_line_break">Line break</string>
+	<string name="separator_ruler">Ruler</string>
+	<string name="save_as_file_name">Save as file?</string>
+	<string name="file_name">File name</string>
+	<string name="error_saving_binary_data">Cannot save file</string>
+	<string name="error_file_exists">File already exists</string>
+	<string name="connect_to_wifi">Connect to WiFi</string>
+	<string name="wifi_config_failed">Could not configure WiFi</string>
+	<string name="wifi_added">WiFi added</string>
+	<string name="sms_send">Send SMS</string>
+	<string name="sms_error">Could not send SMS</string>
+	<string name="tel_dial">Dial number</string>
+	<string name="tel_error">Could not dial number</string>
+	<string name="mail_send">Send mail</string>
+	<string name="mail_error">Could not send mail</string>
+	<string name="vcard_add">Add to contacts</string>
+	<string name="vcard_failed">Could not add to contacts</string>
+	<string name="vevent_add">Add to calendar</string>
+	<string name="vevent_failed">Could not add to calendar</string>
 </resources>

app/src/main/res/values/styles.xml

@@ -12,7 +12,7 @@
 		name="Button"
 		parent="@android:style/Widget.Button">
 		<item name="android:layout_width">wrap_content</item>
-		<item name="android:layout_height">36dp</item>
+		<item name="android:layout_height">48dp</item>
 		<item name="android:layout_gravity">center_horizontal</item>
 		<item name="android:background">@drawable/button_raised</item>
 		<item name="android:textColor">@color/button_text</item>

app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,3 @@
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+	<external-path name="external_files" path="."/>
+</paths>

app/src/main/rs/rotator.rs

@@ -1,5 +1,6 @@
 #pragma version(1)
 #pragma rs java_package_name(de.markusfisch.android.binaryeye.renderscript)
+#pragma rs_fp_relaxed
 
 rs_allocation inImage;
 int inWidth;

app/src/test/kotlin/de/markusfisch/android/binaryeye/actions/wifi/WifiConfigurationFactoryTest.kt

@@ -0,0 +1,98 @@
+package de.markusfisch.android.binaryeye.actions.wifi
+
+import junit.framework.TestCase.assertEquals
+import junit.framework.TestCase.assertFalse
+import junit.framework.TestCase.assertNull
+import junit.framework.TestCase.assertTrue
+import junit.framework.TestCase.fail
+import org.junit.Test
+
+class WifiConfigurationFactoryTest {
+	@Test
+	fun notWifi() {
+		assertNull(WifiConfigurationFactory.parseMap("asdfz"))
+	}
+
+	@Test
+	fun wep() {
+		val info = simpleDataAccessor("WIFI:T:WEP;S:asdfz;P:password;;")
+
+		assertEquals("WEP", info.securityType)
+		assertEquals("\"asdfz\"", info.ssid)
+		assertEquals("\"password\"", info.password)
+		assertFalse(info.hidden)
+	}
+
+	@Test
+	fun hidden() {
+		val info = simpleDataAccessor("WIFI:T:WPA;S:asdfz;P:password;H:true;;")
+
+		assertEquals("WPA", info.securityType)
+		assertEquals("\"asdfz\"", info.ssid)
+		assertEquals("\"password\"", info.password)
+		assertTrue(info.hidden)
+
+	}
+
+	@Test
+	fun nopass() {
+		val info = simpleDataAccessor("WIFI:T:nopass;S:asdfz;;")
+
+		assertEquals("nopass", info.securityType)
+		assertEquals("\"asdfz\"", info.ssid)
+		assertNull(info.password)
+		assertFalse(info.hidden)
+	}
+
+	@Test
+	fun plainUnsecured() {
+		val info = simpleDataAccessor("WIFI:S:asdfz;;")
+
+		assertEquals("", info.securityType)
+		assertEquals("\"asdfz\"", info.ssid)
+		assertNull(info.password)
+		assertFalse(info.hidden)
+	}
+
+	@Test
+	fun hex() {
+		val info = simpleDataAccessor("WIFI:T:WEP;S:d34dbeef;P:d34dbeef;;")
+
+		assertEquals("WEP", info.securityType)
+		assertEquals("d34dbeef", info.ssid)
+		assertEquals("d34dbeef", info.password)
+		assertFalse(info.hidden)
+	}
+
+	@Test
+	fun escaping() {
+		val info = simpleDataAccessor("""WIFI:S:\"ssid\\\;stillSSID\:\;x;;""")
+
+		assertEquals("", info.securityType)
+		assertEquals("""""ssid\;stillSSID:;x"""", info.ssid)
+		assertNull(info.password)
+		assertFalse(info.hidden)
+	}
+
+	@Test
+	fun wrongEscaping() {
+		val info = simpleDataAccessor("""WIFI:S:\SSID":\;x;""")
+
+		assertEquals("", info.securityType)
+		assertEquals(""""\SSID":;x"""", info.ssid)
+		assertNull(info.password)
+		assertFalse(info.hidden)
+	}
+
+	private fun simpleFail(message: String = "Unknown reason, but failed"): Nothing {
+		fail(message)
+		throw IllegalStateException("You should never have reached this point in the code, but anyways: $message")
+	}
+
+	private fun simpleDataAccessor(wifiString: String): WifiConfigurationFactory.SimpleDataAccessor {
+		val map = WifiConfigurationFactory.parseMap(wifiString)
+				?: simpleFail("parsing map of valid string fails ($wifiString)")
+		return WifiConfigurationFactory.SimpleDataAccessor.of(map)
+				?: simpleFail("could not create SimpleDataAccessor of (potentially) valid map ($map of $wifiString)")
+	}
+}

build.gradle

@@ -1,22 +1,17 @@
 buildscript {
-	ext.kotlin_version = '1.3.10'
-	ext.tools_version = '3.3.0'
+	ext.kotlin_version = '1.3.31'
+	ext.tools_version = '3.4.2'
 	ext.build_tools_version = '28.0.3'
 	ext.sdk_version = 28
 	ext.support_version = '25.3.1'
 
 	repositories {
-		jcenter()
 		google()
-		mavenCentral()
-		maven {
-			url "https://plugins.gradle.org/m2/"
-		}
+		jcenter()
 	}
 
 	dependencies {
 		classpath "com.android.tools.build:gradle:$tools_version"
-		classpath 'net.ltgt.gradle:gradle-errorprone-plugin:0.0.10'
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 	}
 }
@@ -27,8 +22,8 @@ plugins {
 
 allprojects {
 	repositories {
-		jcenter()
 		google()
+		jcenter()
 		maven { url 'https://jitpack.io' }
 	}
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Tue May 07 14:37:45 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

gradlew

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@ while [ -h "$PRG" ] ; do
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@ fi
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
@@ -46,10 +46,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line

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