Advance version number to 1.56.0

To fix getting UTF-8 strings from the JVM.

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Change Log
 
+## 1.56.0
+* Add an action item to lock/unlock free rotation
+* Support setting fore and background colors when creating barcodes
+* Fix creating barcodes with UTF-8 content
+
 ## 1.55.0
 * Make recreated barcode interactive
 * Update to latest ZXing C++

app/build.gradle

@@ -9,8 +9,8 @@ android {
 		minSdkVersion 9
 		targetSdkVersion sdk_version
 
-		versionCode 105
-		versionName '1.55.0'
+		versionCode 106
+		versionName '1.56.0'
 	}
 
 	signingConfigs {
@@ -66,5 +66,5 @@ dependencies {
 	implementation "com.android.support:preference-v14:$support_version"
 	implementation 'com.github.markusfisch:CameraView:1.9.1'
 	implementation 'com.github.markusfisch:ScalingImageView:1.4.0'
-	implementation 'com.github.markusfisch:zxing-cpp:v1.4.0.6'
+	implementation 'com.github.markusfisch:zxing-cpp:v1.4.0.7'
 }

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

@@ -45,6 +45,7 @@ class PickActivity : AppCompatActivity() {
 	private lateinit var vibrator: Vibrator
 	private lateinit var cropImageView: CropImageView
 	private lateinit var detectorView: DetectorView
+	private lateinit var freeRotationItem: MenuItem
 
 	private var result: Result? = null
 
@@ -81,7 +82,7 @@ class PickActivity : AppCompatActivity() {
 
 		cropImageView = findViewById(R.id.image) as CropImageView
 		cropImageView.restrictTranslation = false
-		cropImageView.freeRotation = true
+		cropImageView.freeRotation = prefs.freeRotation
 		cropImageView.setImageBitmap(bitmap)
 		cropImageView.onScan = {
 			scanWithinBounds(bitmap)
@@ -179,6 +180,9 @@ class PickActivity : AppCompatActivity() {
 
 	override fun onCreateOptionsMenu(menu: Menu): Boolean {
 		menuInflater.inflate(R.menu.activity_pick, menu)
+		freeRotationItem = menu.findItem(R.id.toggle_free).apply {
+			updateFreeRotationIcon()
+		}
 		return true
 	}
 
@@ -188,10 +192,26 @@ class PickActivity : AppCompatActivity() {
 				rotateClockwise()
 				true
 			}
+			R.id.toggle_free -> {
+				prefs.freeRotation = prefs.freeRotation xor true
+				cropImageView.freeRotation = prefs.freeRotation
+				freeRotationItem.updateFreeRotationIcon()
+				true
+			}
 			else -> super.onOptionsItemSelected(item)
 		}
 	}
 
+	private fun MenuItem.updateFreeRotationIcon() {
+		setIcon(
+			if (prefs.freeRotation) {
+				R.drawable.ic_action_rotation_unlocked
+			} else {
+				R.drawable.ic_action_rotation_locked
+			}
+		)
+	}
+
 	private fun rotateClockwise() {
 		cropImageView.imageRotation = cropImageView.imageRotation + 90 % 360
 	}

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

@@ -14,6 +14,8 @@ import de.markusfisch.android.binaryeye.app.hasWritePermission
 import de.markusfisch.android.binaryeye.content.copyToClipboard
 import de.markusfisch.android.binaryeye.content.shareFile
 import de.markusfisch.android.binaryeye.content.shareText
+import de.markusfisch.android.binaryeye.graphics.COLOR_BLACK
+import de.markusfisch.android.binaryeye.graphics.COLOR_WHITE
 import de.markusfisch.android.binaryeye.io.addSuffixIfNotGiven
 import de.markusfisch.android.binaryeye.io.toSaveResult
 import de.markusfisch.android.binaryeye.io.writeExternalFile
@@ -61,11 +63,11 @@ class BarcodeFragment : Fragment() {
 
 		val bitmap: Bitmap
 		try {
-			barcode = arguments?.toProperties() ?: throw IllegalArgumentException(
+			barcode = arguments?.toBarcode() ?: throw IllegalArgumentException(
 				"Illegal arguments"
 			)
 			// Catch exceptions from encoding.
-			bitmap = barcode.bitmap
+			bitmap = barcode.bitmap()
 		} catch (e: Exception) {
 			var message = e.message
 			if (message == null || message.isEmpty()) {
@@ -103,7 +105,7 @@ class BarcodeFragment : Fragment() {
 		return view
 	}
 
-	private fun Bundle.toProperties() = Barcode(
+	private fun Bundle.toBarcode() = Barcode(
 		getString(CONTENT) ?: throw IllegalArgumentException(
 			"content cannot be null"
 		),
@@ -113,7 +115,8 @@ class BarcodeFragment : Fragment() {
 			)
 		),
 		getInt(SIZE),
-		getInt(EC_LEVEL)
+		getInt(EC_LEVEL),
+		Colors.values()[getInt(COLORS)]
 	)
 
 	override fun onDestroyView() {
@@ -129,7 +132,7 @@ class BarcodeFragment : Fragment() {
 		return when (item.itemId) {
 			R.id.copy_to_clipboard -> {
 				context.apply {
-					copyToClipboard(barcode.text)
+					copyToClipboard(barcode.text())
 					toast(R.string.copied_to_clipboard)
 				}
 				true
@@ -181,19 +184,19 @@ class BarcodeFragment : Fragment() {
 						addSuffixIfNotGiven(fileName, ".png"),
 						MIME_PNG
 					) {
-						barcode.bitmap.saveAsPng(it)
+						barcode.bitmap().saveAsPng(it)
 					}
 					FileType.SVG -> saveAs(
 						addSuffixIfNotGiven(fileName, ".svg"),
 						MIME_SVG
 					) { outputStream ->
-						outputStream.write(barcode.svg.toByteArray())
+						outputStream.write(barcode.svg().toByteArray())
 					}
 					FileType.TXT -> saveAs(
 						addSuffixIfNotGiven(fileName, ".txt"),
 						MIME_TXT
 					) { outputStream ->
-						outputStream.write(barcode.text.toByteArray())
+						outputStream.write(barcode.text().toByteArray())
 					}
 				}
 			}
@@ -218,9 +221,9 @@ class BarcodeFragment : Fragment() {
 
 	private fun Context.shareAs(fileType: FileType) {
 		when (fileType) {
-			FileType.PNG -> share(barcode.bitmap)
-			FileType.SVG -> shareText(barcode.svg, MIME_SVG)
-			FileType.TXT -> shareText(barcode.text)
+			FileType.PNG -> share(barcode.bitmap())
+			FileType.SVG -> shareText(barcode.svg(), MIME_SVG)
+			FileType.TXT -> shareText(barcode.text())
 		}
 	}
 
@@ -253,6 +256,7 @@ class BarcodeFragment : Fragment() {
 		private const val FORMAT = "format"
 		private const val SIZE = "size"
 		private const val EC_LEVEL = "ec_level"
+		private const val COLORS = "colors"
 		private const val MIME_PNG = "image/png"
 		private const val MIME_SVG = "image/svg+xmg"
 		private const val MIME_TXT = "text/plain"
@@ -261,13 +265,15 @@ class BarcodeFragment : Fragment() {
 			content: String,
 			format: Format,
 			size: Int,
-			ecLevel: Int = -1
+			ecLevel: Int = -1,
+			colors: Int = 0
 		): Fragment {
 			val args = Bundle()
 			args.putString(CONTENT, content)
 			args.putString(FORMAT, format.name)
 			args.putInt(SIZE, size)
 			args.putInt(EC_LEVEL, ecLevel)
+			args.putInt(COLORS, colors)
 			val fragment = BarcodeFragment()
 			fragment.arguments = args
 			return fragment
@@ -279,20 +285,59 @@ private data class Barcode(
 	val content: String,
 	val format: Format,
 	val size: Int,
-	val ecLevel: Int
+	val ecLevel: Int,
+	val colors: Colors
 ) {
-	val bitmap: Bitmap
-		get() = ZxingCpp.encodeAsBitmap(
-			content, format, size, size, -1, ecLevel
+	private var _bitmap: Bitmap? = null
+	fun bitmap(): Bitmap {
+		val b = _bitmap ?: ZxingCpp.encodeAsBitmap(
+			content, format, size, size, -1, ecLevel,
+			setColor = colors.foregroundColor(),
+			unsetColor = colors.backgroundColor()
 		)
-	val svg: String
-		get() = ZxingCpp.encodeAsSvg(
+		_bitmap = b
+		return b
+	}
+
+	private var _svg: String? = null
+	fun svg(): String {
+		val s = _svg ?: ZxingCpp.encodeAsSvg(
 			content, format, -1, ecLevel
 		)
-	val text: String
-		get() = ZxingCpp.encodeAsText(
-			content, format, -1, ecLevel
+		_svg = s
+		return s
+	}
+
+	private var _text: String? = null
+	fun text(): String {
+		val t = _text ?: ZxingCpp.encodeAsText(
+			content, format, -1, ecLevel,
+			inverted = colors == Colors.BLACK_ON_WHITE
 		)
+		_text = t
+		return t
+	}
+}
+
+private enum class Colors {
+	BLACK_ON_WHITE,
+	WHITE_ON_BLACK,
+	BLACK_ON_TRANSPARENT,
+	WHITE_ON_TRANSPARENT;
+
+	fun foregroundColor(): Int = when (this) {
+		BLACK_ON_WHITE,
+		BLACK_ON_TRANSPARENT -> COLOR_BLACK
+		WHITE_ON_BLACK,
+		WHITE_ON_TRANSPARENT -> COLOR_WHITE
+	}
+
+	fun backgroundColor(): Int = when (this) {
+		BLACK_ON_WHITE -> COLOR_WHITE
+		WHITE_ON_BLACK -> COLOR_BLACK
+		BLACK_ON_TRANSPARENT,
+		WHITE_ON_TRANSPARENT -> 0
+	}
 }
 
 private fun Bitmap.saveAsPng(outputStream: OutputStream, quality: Int = 90) =

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

@@ -1,5 +1,6 @@
 package de.markusfisch.android.binaryeye.fragment
 
+import android.content.Context
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.view.LayoutInflater
@@ -12,12 +13,15 @@ import de.markusfisch.android.binaryeye.app.addFragment
 import de.markusfisch.android.binaryeye.app.prefs
 import de.markusfisch.android.binaryeye.view.hideSoftKeyboard
 import de.markusfisch.android.binaryeye.view.setPaddingFromWindowInsets
+import de.markusfisch.android.binaryeye.widget.toast
 import de.markusfisch.android.zxingcpp.ZxingCpp.Format
 
 class EncodeFragment : Fragment() {
 	private lateinit var formatView: Spinner
-	private lateinit var errorCorrectionLabel: TextView
-	private lateinit var errorCorrectionLevel: Spinner
+	private lateinit var ecLabel: TextView
+	private lateinit var ecSpinner: Spinner
+	private lateinit var colorsLabel: TextView
+	private lateinit var colorsSpinner: Spinner
 	private lateinit var sizeView: TextView
 	private lateinit var sizeBarView: SeekBar
 	private lateinit var contentView: EditText
@@ -67,22 +71,26 @@ class EncodeFragment : Fragment() {
 				position: Int,
 				id: Long
 			) {
-				val visibility = if (
+				val ecVisibility = if (
 					writers[position] == Format.QR_CODE
-				) {
-					View.VISIBLE
-				} else {
-					View.GONE
-				}
-				errorCorrectionLabel.visibility = visibility
-				errorCorrectionLevel.visibility = visibility
+				) View.VISIBLE else View.GONE
+				ecLabel.visibility = ecVisibility
+				ecSpinner.visibility = ecVisibility
+				val colorsVisibility = if (
+					writers[position].canBeInverted()
+				) View.VISIBLE else View.GONE
+				colorsLabel.visibility = colorsVisibility
+				colorsSpinner.visibility = colorsVisibility
 			}
 
 			override fun onNothingSelected(parentView: AdapterView<*>?) {}
 		}
 
-		errorCorrectionLabel = view.findViewById(R.id.error_correction_label)
-		errorCorrectionLevel = view.findViewById(R.id.error_correction_level)
+		ecLabel = view.findViewById(R.id.error_correction_label)
+		ecSpinner = view.findViewById(R.id.error_correction_level)
+
+		colorsLabel = view.findViewById(R.id.colors_label)
+		colorsSpinner = view.findViewById(R.id.colors)
 
 		sizeView = view.findViewById(R.id.size_display)
 		sizeBarView = view.findViewById(R.id.size_bar)
@@ -107,7 +115,7 @@ class EncodeFragment : Fragment() {
 		}
 
 		view.findViewById<View>(R.id.encode).setOnClickListener {
-			encode()
+			it.context.encode()
 		}
 
 		(view.findViewById(R.id.inset_layout) as View).setPaddingFromWindowInsets()
@@ -121,25 +129,25 @@ class EncodeFragment : Fragment() {
 		prefs.indexOfLastSelectedFormat = formatView.selectedItemPosition
 	}
 
-	private fun encode() {
+	private fun Context.encode() {
 		val content = contentView.text.toString()
 		if (content.isEmpty()) {
-			Toast.makeText(
-				context,
-				R.string.error_no_content,
-				Toast.LENGTH_SHORT
-			).show()
-		} else {
-			activity?.hideSoftKeyboard(contentView)
-			fragmentManager?.addFragment(
-				BarcodeFragment.newInstance(
-					content,
-					writers[formatView.selectedItemPosition],
-					getSize(sizeBarView.progress),
-					errorCorrectionLevel.selectedItemPosition
-				)
-			)
+			toast(R.string.error_no_content)
+			return
 		}
+		hideSoftKeyboard(contentView)
+		val writer = writers[formatView.selectedItemPosition]
+		fragmentManager?.addFragment(
+			BarcodeFragment.newInstance(
+				content,
+				writer,
+				getSize(sizeBarView.progress),
+				ecSpinner.selectedItemPosition,
+				if (writer.canBeInverted()) {
+					colorsSpinner.selectedItemPosition
+				} else 0
+			)
+		)
 	}
 
 	private fun initSizeBar() {
@@ -185,6 +193,13 @@ class EncodeFragment : Fragment() {
 	}
 }
 
+private fun Format.canBeInverted() = when (this) {
+	Format.AZTEC,
+	Format.DATA_MATRIX,
+	Format.QR_CODE -> true
+	else -> false
+}
+
 private fun String.toFormat(default: Format = Format.QR_CODE): Format = try {
 	Format.valueOf(this)
 } catch (_: IllegalArgumentException) {

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

@@ -0,0 +1,4 @@
+package de.markusfisch.android.binaryeye.graphics
+
+const val COLOR_BLACK = 0xff000000.toInt()
+const val COLOR_WHITE = 0xffffffff.toInt()

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

@@ -44,9 +44,9 @@ private fun Bitmap.analyzeTransparency(): Result {
 	return Result(
 		transparent > 0,
 		if (bright > 0 && visible / bright < 2) {
-			0xff000000.toInt()
+			COLOR_BLACK
 		} else {
-			0xffffffff.toInt()
+			COLOR_WHITE
 		}
 	)
 }

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

@@ -174,11 +174,9 @@ class Preferences {
 			apply(INDEX_OF_LAST_SELECTED_FORMAT, value)
 			field = value
 		}
-	var forceCompat = false
+	var freeRotation = true
 		set(value) {
-			// Since the app may be about to crash when forceCompat is set,
-			// it's necessary to `commit()` this synchronously.
-			commit(FORCE_COMPAT, value)
+			apply(FREE_ROTATION, value)
 			field = value
 		}
 
@@ -259,7 +257,7 @@ class Preferences {
 			INDEX_OF_LAST_SELECTED_FORMAT,
 			indexOfLastSelectedFormat
 		)
-		forceCompat = preferences.getBoolean(FORCE_COMPAT, forceCompat)
+		freeRotation = preferences.getBoolean(FREE_ROTATION, freeRotation)
 	}
 
 	private fun put(label: String, value: Boolean) =
@@ -321,6 +319,6 @@ class Preferences {
 		private const val SEND_SCAN_TYPE = "send_scan_type"
 		private const val CUSTOM_LOCALE = "custom_locale"
 		private const val INDEX_OF_LAST_SELECTED_FORMAT = "index_of_last_selected_format"
-		private const val FORCE_COMPAT = "force_compat"
+		private const val FREE_ROTATION = "free_rotation"
 	}
 }

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

@@ -0,0 +1,3 @@
+<vector android:height="24dp" android:tint="#FFFFFF" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 0.9-2 2v10c0 1.1 0.9 2 2 2h12c1.1 0 2-0.9 2-2V10c0-1.1-0.9-2-2-2zm-6 9c-1.1 0-2-0.9-2-2s0.9-2 2-2 2 0.9 2 2-0.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z"/>
+</vector>

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

@@ -0,0 +1,3 @@
+<vector android:height="24dp" android:tint="#FFFFFF" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12 17c1.1 0 2-0.9 2-2s-0.9-2-2-2-2 0.9-2 2 0.9 2 2 2zm6-9h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6h1.9c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2H6c-1.1 0-2 0.9-2 2v10c0 1.1 0.9 2 2 2h12c1.1 0 2-0.9 2-2V10c0-1.1-0.9-2-2-2zm0 12H6V10h12v10z"/>
+</vector>

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

@@ -17,6 +17,6 @@
 			style="@style/FAB"
 			android:id="@+id/scan"
 			android:contentDescription="@string/scan_code"
-			android:src="@drawable/ic_action_search"/>
+			android:src="@drawable/ic_action_next"/>
 	</android.support.design.widget.CoordinatorLayout>
 </merge>

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

@@ -35,6 +35,18 @@
 				android:layout_height="wrap_content"
 				android:layout_marginBottom="16dp"
 				android:entries="@array/error_correction_levels"/>
+			<TextView
+				android:id="@+id/colors_label"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginBottom="8dp"
+				android:text="@string/colors"/>
+			<Spinner
+				android:id="@+id/colors"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginBottom="16dp"
+				android:entries="@array/colors"/>
 			<TextView
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"

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

@@ -1,6 +1,11 @@
 <menu
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:material="http://schemas.android.com/apk/res-auto">
+	<item
+		android:id="@+id/toggle_free"
+		android:title="@string/toggle_free_rotation"
+		android:icon="@drawable/ic_action_rotation_unlocked"
+		material:showAsAction="ifRoom"/>
 	<item
 		android:id="@+id/rotate"
 		android:title="@string/rotate_image_cw"

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">মধ্যম (~১৫&#37; ঠিককরণ)</string>
 	<string name="error_correction_level_q" formatted="false">বেশি (~২৫&#37; ঠিককরণ)</string>
 	<string name="error_correction_level_h" formatted="false">অনেক বেশি (~৩০&#37; ঠিককরণ)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">এসকিউলাইট তথ্যভিত্তি</string>
 	<string name="saved_in_downloads">ডাউনলোডে সংরক্ষিত</string>
 	<string name="rotate_image_cw">ছবি ঘড়ির দিকে ঘুরাও</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">ছবি নাও</string>
 	<string name="pick_code_to_scan">খুঁজার জন্য কোড নাও</string>
 	<string name="shortcut_decode">বারকোড খুজো</string>

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

@@ -17,6 +17,11 @@
 	<string name="error_correction_level_m" formatted="false">Střední (~15&#37; korekce)</string>
 	<string name="error_correction_level_q" formatted="false">Čtvrtinový (~25&#37; korekce)</string>
 	<string name="error_correction_level_h" formatted="false">Vysoký (~30&#37; korekce)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -154,6 +159,7 @@
 	<string name="export_database">SQLite databáze</string>
 	<string name="saved_in_downloads">Uloženo do složky Stahování</string>
 	<string name="rotate_image_cw">Otočit obrázek po směru hodinových ručiček</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Vybrat obrázek</string>
 	<string name="pick_code_to_scan">Vyberte kód k naskenování</string>
 	<string name="shortcut_decode">Skenovat čárový kód</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Medium (~15&#37; wiederherstellbar)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25&#37; wiederherstellbar)</string>
 	<string name="error_correction_level_h" formatted="false">High (~30&#37; wiederherstellbar)</string>
+	<string name="colors">Vor und Hintergrund</string>
+	<string name="colors_black_on_white">Schwarz auf Weiss</string>
+	<string name="colors_white_on_black">Weiss auf Schwarz</string>
+	<string name="colors_black_on_transparent">Schwarz auf Transparent</string>
+	<string name="colors_white_on_transparent">Weiss auf Transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite Datenbank</string>
 	<string name="saved_in_downloads">In den Downloads gespeichert</string>
 	<string name="rotate_image_cw">Bild im Uhrzeigersinn rotieren</string>
+	<string name="toggle_free_rotation">Freie Rotation ein/ausschalten</string>
 	<string name="pick_file">Bilddatei auswählen</string>
 	<string name="pick_code_to_scan">Code im Bild auswählen</string>
 	<string name="shortcut_decode">Barcode lesen</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Medio (~15&#37; de correción)</string>
 	<string name="error_correction_level_q" formatted="false">Cuartil (~25&#37; de correción)</string>
 	<string name="error_correction_level_h" formatted="false">Alto (~30&#37; de correción)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">Base de datos SQLite</string>
 	<string name="saved_in_downloads">Guardado en Descargas</string>
 	<string name="rotate_image_cw">Rotar la imagen en sentido horario</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Seleccionar imagen</string>
 	<string name="pick_code_to_scan">Seleccione el código a escanear</string>
 	<string name="shortcut_decode">Escanear un código</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">متوسط (⁦~۱۵٪⁩ تصحیح)</string>
 	<string name="error_correction_level_q" formatted="false">یک‌چهارم (⁦~۲۵٪⁩ تصحیح)</string>
 	<string name="error_correction_level_h" formatted="false">زیاد (⁦~۳۰٪⁩ تصحیح)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">پایگاه‌دادهٔ اس‌کیولایت</string>
 	<string name="saved_in_downloads">در بارگیری‌ها ذخیره شد</string>
 	<string name="rotate_image_cw">تصویر را در جهت ساعتگرد بچرخانید</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">پروندهٔ تصویری را برگزینید</string>
 	<string name="pick_code_to_scan">کدی را برای پویش برگزینید</string>
 	<string name="shortcut_decode">پویش یک بارکد</string>

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

@@ -16,6 +16,11 @@
 	<string name="error_correction_level_m" formatted="false">Moyen (~15% de correction)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25% de correction)</string>
 	<string name="error_correction_level_h" formatted="false">Élevé (~30% de correction)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -153,6 +158,7 @@
 	<string name="export_database">Exporter la base de données SQLite</string>
 	<string name="saved_in_downloads">Sauvegardé dans les Téléchargements</string>
 	<string name="rotate_image_cw">Tourner l\'image dans le sens horaire</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Choisir un fichier image</string>
 	<string name="pick_code_to_scan">Choisissez le code à scanner</string>
 	<string name="shortcut_decode">Scanner un code-barres</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Közepes (~15&#37; javítás)</string>
 	<string name="error_correction_level_q" formatted="false">Kvartilis (~25&#37; javítás)</string>
 	<string name="error_correction_level_h" formatted="false">Magas (~30&#37; javítás)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite adatbázis</string>
 	<string name="saved_in_downloads">Elmentve a letöltésekbe</string>
 	<string name="rotate_image_cw">Kép forgatása jobbra</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Képfájl kiválasztása</string>
 	<string name="pick_code_to_scan">Kód kiválasztása a beolvasáshoz</string>
 	<string name="shortcut_decode">Vonalkód beolvasása</string>

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

@@ -14,6 +14,11 @@
 	<string name="error_correction_level_m" formatted="false">Medium (~15&#37; koreksi)</string>
 	<string name="error_correction_level_q" formatted="false">Kuartil (~25&#37; koreksi)</string>
 	<string name="error_correction_level_h" formatted="false">Tinggi (~30&#37; koreksi)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -151,6 +156,7 @@
 	<string name="export_database">Ekspor basis data SQLite</string>
 	<string name="saved_in_downloads">Simpan di dalam unduhan</string>
 	<string name="rotate_image_cw">Putar gambar searah jarum jam</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Pilih berkas gambar</string>
 	<string name="pick_code_to_scan">Pilih kode untuk dipindai</string>
 	<string name="shortcut_decode">Pindai barcode</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Medio (Correzione del ~15&#37;)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (Correzione del ~25&#37;)</string>
 	<string name="error_correction_level_h" formatted="false">Alto (Correzione del ~30&#37;)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Dimensione della sequenza</string>
 	<string name="sequence_index">Indice della sequenza</string>
 	<string name="sequence_id">ID della sequenza</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">Database SQLite</string>
 	<string name="saved_in_downloads">Salvato nei download</string>
 	<string name="rotate_image_cw">Ruota immagine in senso orario</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Scegli file immagine</string>
 	<string name="pick_code_to_scan">Scegli codice da scansionare</string>
 	<string name="shortcut_decode">Scansiona un codice a barre</string>

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

@@ -14,6 +14,11 @@
 	<string name="error_correction_level_m" formatted="false">中 (~15&#37; の正確性)</string>
 	<string name="error_correction_level_q" formatted="false">高 (~25&#37; の正確性)</string>
 	<string name="error_correction_level_h" formatted="false">最高 (~30&#37; の正確性)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -151,6 +156,7 @@
 	<string name="export_database">SQLiteデータベース</string>
 	<string name="saved_in_downloads">ダウンロードフォルダに保存されました</string>
 	<string name="rotate_image_cw">時計回りに回転</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">画像を選択して読み込み</string>
 	<string name="pick_code_to_scan">スキャンするバーコードを選択</string>
 	<string name="shortcut_decode">バーコードをスキャン</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Medium (~15&#37; correction)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25&#37; correction)</string>
 	<string name="error_correction_level_h" formatted="false">High (~30&#37; correction)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite მონაცემთა ბაზა</string>
 	<string name="saved_in_downloads">შენახულია გადმოწერებში</string>
 	<string name="rotate_image_cw">გამოსახულების შემობრუნება საათის ისრის მიხედვით</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">აირჩიეთ ფაილი გამოსახულებით</string>
 	<string name="pick_code_to_scan">აირჩიეთ შტრიხ-კოდი სკანირებისთვის</string>
 	<string name="shortcut_decode">შტრიხ-კოდის სკანირება</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Middelhoog (~15&#37; correction)</string>
 	<string name="error_correction_level_q" formatted="false">Kwartiel (~25&#37; correction)</string>
 	<string name="error_correction_level_h" formatted="false">Hoog (~30&#37; correction)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite database</string>
 	<string name="saved_in_downloads">Opgeslagen in downloads</string>
 	<string name="rotate_image_cw">Afbeelding rechtsom draaien</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Beeldbestand kiezen</string>
 	<string name="pick_code_to_scan">Kies code om te scannen</string>
 	<string name="shortcut_decode">Een barcode scannen</string>

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

@@ -30,6 +30,11 @@
 	<string name="error_correction_level_m" formatted="false">Średni (~15&#37; korekcji)</string>
 	<string name="error_correction_level_q" formatted="false">Kwartyl (~25&#37; korekcji)</string>
 	<string name="error_correction_level_h" formatted="false">Wysoki (~30&#37; korekcji)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -46,6 +51,7 @@
 	<string name="sms_error">Nie można wysłać SMS-a</string>
 	<string name="mail_error">Nie można wysłać e-maila</string>
 	<string name="rotate_image_cw">Obróć obraz zgodnie z ruchem wskazówek zegara</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="edit_scan">Edytuj etykietę</string>
 	<string name="enter_name_hint">Nazwa skanu</string>
 	<string name="camera_error">Nie można uzyskać dostępu do kamery, spróbuj ponownie</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Médio (~15&#37; correção)</string>
 	<string name="error_correction_level_q" formatted="false">Quartil (~25&#37; correção)</string>
 	<string name="error_correction_level_h" formatted="false">Alto (~30&#37; correção)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">Base de dados SQLite</string>
 	<string name="saved_in_downloads">Salvo em Downloads</string>
 	<string name="rotate_image_cw">Girar a imagem no sentido horário</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Escolha imagem</string>
 	<string name="pick_code_to_scan">Escolha código para digitalizar</string>
 	<string name="shortcut_decode">Escaneie código</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -17,6 +17,11 @@
 	<string name="error_correction_level_m" formatted="false">Средний (≈15&#37; исправлений)</string>
 	<string name="error_correction_level_q" formatted="false">Квартиль (≈25&#37; исправлений)</string>
 	<string name="error_correction_level_h" formatted="false">Высокий (≈30&#37; исправлений)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Размер последовательности</string>
 	<string name="sequence_index">Индекс последовательности</string>
 	<string name="sequence_id">Идентификатор последовательности</string>
@@ -154,6 +159,7 @@
 	<string name="export_database">База данных SQLite</string>
 	<string name="saved_in_downloads">Сохранено в загрузках</string>
 	<string name="rotate_image_cw">Повернуть изображение по часовой стрелке</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Открыть файл с изображением</string>
 	<string name="pick_code_to_scan">Выберите штрих-код для сканирования</string>
 	<string name="shortcut_decode">Сканировать штрих-код</string>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Orta (~&#37;15 düzeltim)</string>
 	<string name="error_correction_level_q" formatted="false">Dörtte Bir (~&#37;25 düzeltim)</string>
 	<string name="error_correction_level_h" formatted="false">Yüksek (~&#37;30 düzeltim)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Dizi boyutu</string>
 	<string name="sequence_index">Dizi indeksi</string>
 	<string name="sequence_id">Dizi kimliği</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite veri tabanı olarak dışa aktar</string>
 	<string name="saved_in_downloads">İndirilenlere kaydedildi</string>
 	<string name="rotate_image_cw">Görüntüyü saat yönünde döndür</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Görüntü dosyası seç</string>
 	<string name="pick_code_to_scan">Taranacak kod seç</string>
 	<string name="shortcut_decode">Barkod tara</string>

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

@@ -16,6 +16,11 @@
 	<string name="error_correction_level_m" formatted="false">Середній (~15&#37; виправлення)</string>
 	<string name="error_correction_level_q" formatted="false">Квартиль (~25&#37; виправлення)</string>
 	<string name="error_correction_level_h" formatted="false">Високий (~30&#37; виправлення)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -153,6 +158,7 @@
 	<string name="export_database">Експортувати базу даних SQLite</string>
 	<string name="saved_in_downloads">Збережено в Завантаженнях</string>
 	<string name="rotate_image_cw">Повернути зображення за годинниковою стрілкою</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Вибрати файл зображення</string>
 	<string name="pick_code_to_scan">Вибрати код для сканування</string>
 	<string name="shortcut_decode">Сканувати штрих-код</string>

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

@@ -14,6 +14,11 @@
 	<string name="error_correction_level_m" formatted="false">Trung bình (sửa ~15&#37;)</string>
 	<string name="error_correction_level_q" formatted="false">Một phần tư (sửa ~25&#37;)</string>
 	<string name="error_correction_level_h" formatted="false">Cao (sửa ~30&#37;)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -151,6 +156,7 @@
 	<string name="export_database">Cơ sở dữ liệu SQLite</string>
 	<string name="saved_in_downloads">Lưu vào Downloads</string>
 	<string name="rotate_image_cw">Quay ảnh theo chiều kim đồng hồ</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Chọn tệp ảnh</string>
 	<string name="pick_code_to_scan">Chọn mã để quét</string>
 	<string name="shortcut_decode">Quét mã vạch</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -14,6 +14,11 @@
 	<string name="error_correction_level_m" formatted="false">Medium (~15&#37; 准确度)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25&#37; 准确度)</string>
 	<string name="error_correction_level_h" formatted="false">High (~30&#37; 准确度)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -151,6 +156,7 @@
 	<string name="export_database">导出 SQLite 数据库</string>
 	<string name="saved_in_downloads">已保存到下载目录</string>
 	<string name="rotate_image_cw">旋转图片</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">选择图片文件</string>
 	<string name="pick_code_to_scan">选择扫描编码</string>
 	<string name="shortcut_decode">扫描条码</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -14,6 +14,11 @@
 	<string name="error_correction_level_m" formatted="false">中 (~15&#37; 準確度)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25&#37; 準確度)</string>
 	<string name="error_correction_level_h" formatted="false">高 (~30&#37; 準確度)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -151,6 +156,7 @@
 	<string name="export_database">SQLite 資料庫</string>
 	<string name="saved_in_downloads">已儲存到下載目錄</string>
 	<string name="rotate_image_cw">順時針旋轉圖片</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">選擇圖片檔案</string>
 	<string name="pick_code_to_scan">選擇要掃描的條碼</string>
 	<string name="shortcut_decode">掃描條碼</string>

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

@@ -0,0 +1,8 @@
+<resources>
+	<string-array name="colors">
+		<item>@string/colors_black_on_white</item>
+		<item>@string/colors_white_on_black</item>
+		<item>@string/colors_black_on_transparent</item>
+		<item>@string/colors_white_on_transparent</item>
+	</string-array>
+</resources>

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

@@ -15,6 +15,11 @@
 	<string name="error_correction_level_m" formatted="false">Medium (~15&#37; correction)</string>
 	<string name="error_correction_level_q" formatted="false">Quartile (~25&#37; correction)</string>
 	<string name="error_correction_level_h" formatted="false">High (~30&#37; correction)</string>
+	<string name="colors">Fore and background</string>
+	<string name="colors_black_on_white">Black on white</string>
+	<string name="colors_white_on_black">White on black</string>
+	<string name="colors_black_on_transparent">Black on transparent</string>
+	<string name="colors_white_on_transparent">White on transparent</string>
 	<string name="sequence_size">Sequence size</string>
 	<string name="sequence_index">Sequence index</string>
 	<string name="sequence_id">Sequence ID</string>
@@ -152,6 +157,7 @@
 	<string name="export_database">SQLite database</string>
 	<string name="saved_in_downloads">Saved in downloads</string>
 	<string name="rotate_image_cw">Rotate image clockwise</string>
+	<string name="toggle_free_rotation">Toggle free rotation</string>
 	<string name="pick_file">Pick image file</string>
 	<string name="pick_code_to_scan">Pick code to scan</string>
 	<string name="shortcut_decode">Scan a barcode</string>

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

@@ -27,6 +27,8 @@
 		<item name="android:maxLines">1</item>
 	</style>
 	<style name="FAB" parent="Widget.Design.FloatingActionButton">
+		<!-- Silence nonsense warning about setting a custom background. -->
+		<item name="android:background">@null</item>
 		<item name="android:layout_width">wrap_content</item>
 		<item name="android:layout_height">wrap_content</item>
 		<item name="android:layout_margin">20dp</item>

fastlane/metadata/android/en-US/changelogs/106.txt

@@ -0,0 +1,4 @@
+* Add an action item to lock/unlock free rotation
+* Support setting fore and background colors when creating barcodes
+* Fix creating barcodes with UTF-8 content
+