Apply Kotlin Coding Conventions

From:
https://kotlinlang.org/docs/reference/coding-conventions.html

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

@@ -30,12 +30,6 @@ import android.widget.SeekBar
 import android.widget.Toast
 
 class CameraActivity : AppCompatActivity() {
-	companion object {
-		private val REQUEST_CAMERA = 1
-		private val ZOOM_MAX = "zoom_max"
-		private val ZOOM_LEVEL = "zoom_level"
-	}
-
 	private val zxing = Zxing()
 	private val decodingRunnable = Runnable {
 		while (decoding) {
@@ -64,14 +58,18 @@ class CameraActivity : AppCompatActivity() {
 	private var flash = false
 
 	override fun onRequestPermissionsResult(
-			requestCode: Int,
-			permissions: Array<String>,
-			grantResults: IntArray) {
+		requestCode: Int,
+		permissions: Array<String>,
+		grantResults: IntArray
+	) {
 		when (requestCode) {
 			REQUEST_CAMERA -> if (grantResults.size > 0 &&
-					grantResults[0] != PackageManager.PERMISSION_GRANTED) {
-				Toast.makeText(this, R.string.no_camera_no_fun,
-						Toast.LENGTH_SHORT).show()
+				grantResults[0] != PackageManager.PERMISSION_GRANTED) {
+				Toast.makeText(
+					this,
+					R.string.no_camera_no_fun,
+					Toast.LENGTH_SHORT
+				).show()
 				finish()
 			}
 		}
@@ -113,8 +111,11 @@ class CameraActivity : AppCompatActivity() {
 		super.onResume()
 		System.gc()
 		if (hasCameraPermission()) {
-			cameraView.openAsync(CameraView.findCameraId(
-					Camera.CameraInfo.CAMERA_FACING_BACK))
+			cameraView.openAsync(
+				CameraView.findCameraId(
+					Camera.CameraInfo.CAMERA_FACING_BACK
+				)
+			)
 			startDecoding()
 		}
 	}
@@ -157,13 +158,18 @@ class CameraActivity : AppCompatActivity() {
 	}
 
 	private fun openReadme() {
-		startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(
-				"https://github.com/markusfisch/BinaryEye/blob/master/README.md")))
+		startActivity(
+			Intent(
+				Intent.ACTION_VIEW, Uri.parse(
+					"https://github.com/markusfisch/BinaryEye/blob/master/README.md"
+				)
+			)
+		)
 	}
 
 	private fun handleSendText(intent: Intent) {
 		if (!Intent.ACTION_SEND.equals(intent.getAction()) ||
-				!"text/plain".equals(intent.getType())) {
+			!"text/plain".equals(intent.getType())) {
 			return
 		}
 
@@ -182,9 +188,11 @@ class CameraActivity : AppCompatActivity() {
 		val permission = android.Manifest.permission.CAMERA
 
 		if (ContextCompat.checkSelfPermission(this, permission) !=
-				PackageManager.PERMISSION_GRANTED) {
-			ActivityCompat.requestPermissions(this, arrayOf(permission),
-					REQUEST_CAMERA)
+			PackageManager.PERMISSION_GRANTED) {
+			ActivityCompat.requestPermissions(
+				this, arrayOf(permission),
+				REQUEST_CAMERA
+			)
 			return false
 		}
 
@@ -194,7 +202,8 @@ class CameraActivity : AppCompatActivity() {
 	private fun initCameraView() {
 		cameraView.setOnCameraListener(object : CameraView.OnCameraListener {
 			override fun onConfigureParameters(
-					parameters: Camera.Parameters) {
+				parameters: Camera.Parameters
+			) {
 				if (parameters.isZoomSupported()) {
 					val max = parameters.getMaxZoom()
 					if (zoomBar.max != max) {
@@ -208,7 +217,7 @@ class CameraActivity : AppCompatActivity() {
 				}
 				for (mode in parameters.getSupportedSceneModes()) {
 					if (mode.equals(Camera.Parameters.SCENE_MODE_BARCODE)) {
-						parameters.setSceneMode(mode)
+						parameters.sceneMode = mode
 						break
 					}
 				}
@@ -216,8 +225,11 @@ class CameraActivity : AppCompatActivity() {
 			}
 
 			override fun onCameraError() {
-				Toast.makeText(this@CameraActivity, R.string.camera_error,
-						Toast.LENGTH_SHORT).show()
+				Toast.makeText(
+					this@CameraActivity,
+					R.string.camera_error,
+					Toast.LENGTH_SHORT
+				).show()
 				finish()
 			}
 
@@ -241,8 +253,11 @@ class CameraActivity : AppCompatActivity() {
 		cameraView.setOnTouchListener({ v: View, event: MotionEvent ->
 			val camera = cameraView.getCamera()
 			camera?.cancelAutoFocus()
-			cameraView.setFocusArea(cameraView.calculateFocusRect(
-					event.getX(), event.getY(), 100))
+			cameraView.setFocusArea(
+				cameraView.calculateFocusRect(
+					event.getX(), event.getY(), 100
+				)
+			)
 			camera?.autoFocus({ _: Boolean, _: Camera ->
 				cameraView.removeCallbacks(runnable)
 				cameraView.postDelayed(runnable, 3000)
@@ -254,9 +269,11 @@ class CameraActivity : AppCompatActivity() {
 
 	private fun initZoomBar() {
 		zoomBar.setOnSeekBarChangeListener(object :
-				SeekBar.OnSeekBarChangeListener {
-			override fun onProgressChanged(seekBar: SeekBar, progress: Int,
-					fromUser: Boolean) {
+			SeekBar.OnSeekBarChangeListener {
+			override fun onProgressChanged(
+				seekBar: SeekBar, progress: Int,
+				fromUser: Boolean
+			) {
 				setZoom(progress)
 			}
 
@@ -293,7 +310,8 @@ class CameraActivity : AppCompatActivity() {
 
 	private fun initFlashFab(fab: View) {
 		if (!packageManager.hasSystemFeature(
-				PackageManager.FEATURE_CAMERA_FLASH)) {
+				PackageManager.FEATURE_CAMERA_FLASH
+			)) {
 			fab.visibility = View.GONE
 		} else {
 			fab.setOnClickListener { _ ->
@@ -305,10 +323,12 @@ class CameraActivity : AppCompatActivity() {
 	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)
+		parameters?.setFlashMode(
+			if (flash)
+				Camera.Parameters.FLASH_MODE_OFF
+			else
+				Camera.Parameters.FLASH_MODE_TORCH
+		)
 		flash = flash xor true
 		parameters?.let { camera.setParameters(parameters) }
 	}
@@ -337,15 +357,28 @@ class CameraActivity : AppCompatActivity() {
 
 	private fun decodeFrame(): Result? {
 		frameData ?: return null
-		return zxing.decodeBitmap(yuvToGray.convert(
-				frameData!!, frameWidth, frameHeight, frameOrientation))
+		return zxing.decodeBitmap(
+			yuvToGray.convert(
+				frameData!!, frameWidth, frameHeight, frameOrientation
+			)
+		)
 	}
 
 	private fun found(result: Result) {
 		cancelDecoding()
 		vibrator.vibrate(100)
 
-		startActivity(MainActivity.getDecodeIntent(this, result.text,
-				result.getBarcodeFormat()))
+		startActivity(
+			MainActivity.getDecodeIntent(
+				this, result.text,
+				result.getBarcodeFormat()
+			)
+		)
+	}
+
+	companion object {
+		private const val REQUEST_CAMERA = 1
+		private const val ZOOM_MAX = "zoom_max"
+		private const val ZOOM_LEVEL = "zoom_level"
 	}
 }

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

@@ -16,26 +16,6 @@ import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.Toolbar
 
 class MainActivity : AppCompatActivity() {
-	companion object {
-		private val ENCODE = "encode"
-		private val DECODE = "decode"
-		private val DECODE_FORMAT = "decode_format"
-
-		fun getEncodeIntent(context: Context, text: String? = ""): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(ENCODE, text)
-			return intent
-		}
-
-		fun getDecodeIntent(context: Context, text: String,
-				format: BarcodeFormat): Intent {
-			val intent = Intent(context, MainActivity::class.java)
-			intent.putExtra(DECODE, text)
-			intent.putExtra(DECODE_FORMAT, format)
-			return intent
-		}
-	}
-
 	override fun onSupportNavigateUp(): Boolean {
 		val fm = supportFragmentManager
 		if (fm != null && fm.backStackEntryCount > 0) {
@@ -58,16 +38,41 @@ class MainActivity : AppCompatActivity() {
 			var fragment: Fragment
 			if (intent?.hasExtra(ENCODE) == true) {
 				fragment = EncodeFragment.newInstance(
-						intent.getStringExtra(ENCODE))
+					intent.getStringExtra(ENCODE)
+				)
 			} else if (intent?.hasExtra(DECODE) == true) {
 				fragment = DecodeFragment.newInstance(
-						intent.getStringExtra(DECODE),
-						intent.getSerializableExtra(
-								DECODE_FORMAT) as BarcodeFormat)
+					intent.getStringExtra(DECODE),
+					intent.getSerializableExtra(
+						DECODE_FORMAT
+					) as BarcodeFormat
+				)
 			} else {
 				fragment = DecodeFragment()
 			}
 			setFragment(supportFragmentManager, fragment)
 		}
 	}
+
+	companion object {
+		private const val ENCODE = "encode"
+		private const val DECODE = "decode"
+		private const val DECODE_FORMAT = "decode_format"
+
+		fun getEncodeIntent(context: Context, text: String? = ""): Intent {
+			val intent = Intent(context, MainActivity::class.java)
+			intent.putExtra(ENCODE, text)
+			return intent
+		}
+
+		fun getDecodeIntent(
+			context: Context, text: String,
+			format: BarcodeFormat
+		): Intent {
+			val intent = Intent(context, MainActivity::class.java)
+			intent.putExtra(DECODE, text)
+			intent.putExtra(DECODE_FORMAT, format)
+			return intent
+		}
+	}
 }

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

@@ -15,7 +15,8 @@ fun addFragment(fm: FragmentManager?, fragment: Fragment) {
 }
 
 private fun getTransaction(
-		fm: FragmentManager,
-		fragment: Fragment): FragmentTransaction {
+	fm: FragmentManager,
+	fragment: Fragment
+): FragmentTransaction {
 	return fm.beginTransaction().replace(R.id.content_frame, fragment)
 }

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

@@ -15,9 +15,13 @@ import android.view.Window
 
 fun initSystemBars(activity: AppCompatActivity?) {
 	val view = activity?.findViewById(R.id.main_layout)
-	if (view != null && setSystemBarColor(activity.window,
-			ContextCompat.getColor(activity,
-					R.color.primary_dark_translucent))) {
+	if (view != null && setSystemBarColor(
+			activity.window,
+			ContextCompat.getColor(
+				activity,
+				R.color.primary_dark_translucent
+			)
+		)) {
 		view.setPadding(0, getStatusBarHeight(activity.resources), 0, 0)
 	}
 }
@@ -50,15 +54,17 @@ fun getToolBarHeight(context: Context): Int {
 	return if (context.theme.resolveAttribute(
 			android.R.attr.actionBarSize,
 			tv,
-			true))
+			true
+		))
 		TypedValue.complexToDimensionPixelSize(
-				tv.data,
-				context.resources.displayMetrics)
+			tv.data,
+			context.resources.displayMetrics
+		)
 	else
 		0
 }
 
-fun getNavigationBarSize(res:Resources): Point {
+fun getNavigationBarSize(res: Resources): Point {
 	val size = Point(0, 0)
 	if (!getIdentifierBoolean(res, "config_showNavigationBar")) {
 		return size
@@ -66,12 +72,14 @@ fun getNavigationBarSize(res:Resources): Point {
 	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")
+			// 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
 		}
 	}
@@ -79,7 +87,7 @@ fun getNavigationBarSize(res:Resources): Point {
 	return size
 }
 
-private fun getIdentifierBoolean(res:Resources, name:String): Boolean {
+private fun getIdentifierBoolean(res: Resources, name: String): Boolean {
 	val id = res.getIdentifier(name, "bool", "android")
 	return id > 0 && res.getBoolean(id)
 }

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

@@ -15,15 +15,54 @@ import android.widget.ImageView
 import android.widget.Toast
 
 class BarcodeFragment : Fragment() {
+	override fun onCreateView(
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+		state: Bundle?
+	): View? {
+		activity.setTitle(R.string.view_barcode)
+
+		val view = inflater.inflate(
+			R.layout.fragment_barcode,
+			container,
+			false
+		)
+
+		val args = getArguments()
+		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
+			}
+			view.findViewById<ImageView>(R.id.barcode).setImageBitmap(bitmap)
+		}
+
+		return view
+	}
+
 	companion object {
-		private val CONTENT = "content"
-		private val FORMAT = "format"
-		private val SIZE = "size"
+		private const val CONTENT = "content"
+		private const val FORMAT = "format"
+		private const val SIZE = "size"
 
 		fun newInstance(
-				content: String,
-				format: BarcodeFormat,
-				size: Int): Fragment {
+			content: String,
+			format: BarcodeFormat,
+			size: Int
+		): Fragment {
 			val args = Bundle()
 			args.putString(CONTENT, content)
 			args.putSerializable(FORMAT, format)
@@ -33,37 +72,4 @@ class BarcodeFragment : Fragment() {
 			return fragment
 		}
 	}
-
-	override fun onCreateView(
-			inflater: LayoutInflater,
-			container: ViewGroup?,
-			state: Bundle?): View? {
-		activity.setTitle(R.string.view_barcode)
-
-		val view = inflater.inflate(
-				R.layout.fragment_barcode,
-				container,
-				false)
-
-		val args = getArguments()
-		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
-			}
-			view.findViewById<ImageView>(R.id.barcode).setImageBitmap(bitmap)
-		}
-
-		return view
-	}
 }

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

@@ -21,20 +21,6 @@ import android.widget.EditText
 import android.widget.Toast
 
 class DecodeFragment : Fragment() {
-	companion object {
-		private val CONTENT = "content"
-		private val FORMAT = "format"
-
-		fun newInstance(content: String, format: BarcodeFormat): Fragment {
-			val args = Bundle()
-			args.putString(CONTENT, content)
-			args.putSerializable(FORMAT, format)
-			val fragment = DecodeFragment()
-			fragment.arguments = args
-			return fragment
-		}
-	}
-
 	private lateinit var contentView: EditText
 	private lateinit var format: BarcodeFormat
 
@@ -44,19 +30,20 @@ class DecodeFragment : Fragment() {
 	}
 
 	override fun onCreateView(
-			inflater: LayoutInflater,
-			container: ViewGroup?,
-			state: Bundle?): View {
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+		state: Bundle?
+	): View {
 		activity.setTitle(R.string.content)
 
 		val view = inflater.inflate(
-				R.layout.fragment_decode,
-				container,
-				false)
+			R.layout.fragment_decode,
+			container,
+			false
+		)
 
 		val content = arguments?.getString(CONTENT) ?: ""
-		format = arguments?.getSerializable(FORMAT) as BarcodeFormat? ?:
-				BarcodeFormat.QR_CODE
+		format = arguments?.getSerializable(FORMAT) as BarcodeFormat? ?: BarcodeFormat.QR_CODE
 
 		contentView = view.findViewById<EditText>(R.id.content)
 		contentView.setText(content)
@@ -83,8 +70,10 @@ class DecodeFragment : Fragment() {
 				true
 			}
 			R.id.create -> {
-				addFragment(fragmentManager,
-						EncodeFragment.newInstance(getContent(), format))
+				addFragment(
+					fragmentManager,
+					EncodeFragment.newInstance(getContent(), format)
+				)
 				true
 			}
 			else -> super.onOptionsItemSelected(item)
@@ -99,11 +88,14 @@ class DecodeFragment : Fragment() {
 		activity ?: return
 
 		val cm = activity.getSystemService(
-				Context.CLIPBOARD_SERVICE) as ClipboardManager
+			Context.CLIPBOARD_SERVICE
+		) as ClipboardManager
 		cm.setText(text)
-		Toast.makeText(activity,
-				R.string.put_into_clipboard,
-				Toast.LENGTH_SHORT).show()
+		Toast.makeText(
+			activity,
+			R.string.put_into_clipboard,
+			Toast.LENGTH_SHORT
+		).show()
 	}
 
 	private fun openUrl(url: String) {
@@ -114,9 +106,11 @@ class DecodeFragment : Fragment() {
 		if (intent.resolveActivity(activity.getPackageManager()) != null) {
 			startActivity(intent)
 		} else {
-			Toast.makeText(activity,
-					R.string.cannot_resolve_action,
-					Toast.LENGTH_SHORT).show()
+			Toast.makeText(
+				activity,
+				R.string.cannot_resolve_action,
+				Toast.LENGTH_SHORT
+			).show()
 		}
 	}
 
@@ -126,4 +120,18 @@ class DecodeFragment : Fragment() {
 		intent.setType("text/plain")
 		startActivity(intent)
 	}
+
+	companion object {
+		private const val CONTENT = "content"
+		private const val FORMAT = "format"
+
+		fun newInstance(content: String, format: BarcodeFormat): Fragment {
+			val args = Bundle()
+			args.putString(CONTENT, content)
+			args.putSerializable(FORMAT, format)
+			val fragment = DecodeFragment()
+			fragment.arguments = args
+			return fragment
+		}
+	}
 }

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

@@ -20,55 +20,43 @@ import android.widget.TextView
 import android.widget.Toast
 
 class EncodeFragment : Fragment() {
-	companion object {
-		private val CONTENT = "content"
-		private val FORMAT = "format"
-
-		fun newInstance(
-				content: String,
-				format: BarcodeFormat = BarcodeFormat.AZTEC): Fragment {
-			val args = Bundle()
-			args.putString(CONTENT, content)
-			args.putSerializable(FORMAT, format)
-			val fragment = EncodeFragment()
-			fragment.setArguments(args)
-			return fragment
-		}
-	}
-
 	private lateinit var formatView: Spinner
 	private lateinit var sizeView: TextView
 	private lateinit var sizeBarView: SeekBar
 	private val writers = arrayListOf(
-			BarcodeFormat.AZTEC,
-			BarcodeFormat.CODABAR,
-			BarcodeFormat.CODE_39,
-			BarcodeFormat.CODE_128,
-			BarcodeFormat.DATA_MATRIX,
-			BarcodeFormat.EAN_8,
-			BarcodeFormat.EAN_13,
-			BarcodeFormat.ITF,
-			BarcodeFormat.PDF_417,
-			BarcodeFormat.QR_CODE,
-			BarcodeFormat.UPC_A
+		BarcodeFormat.AZTEC,
+		BarcodeFormat.CODABAR,
+		BarcodeFormat.CODE_39,
+		BarcodeFormat.CODE_128,
+		BarcodeFormat.DATA_MATRIX,
+		BarcodeFormat.EAN_8,
+		BarcodeFormat.EAN_13,
+		BarcodeFormat.ITF,
+		BarcodeFormat.PDF_417,
+		BarcodeFormat.QR_CODE,
+		BarcodeFormat.UPC_A
 	)
 
 	override fun onCreateView(
-			inflater: LayoutInflater,
-			container: ViewGroup?,
-			state: Bundle?): View {
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+		state: Bundle?
+	): View {
 		activity.setTitle(R.string.compose_barcode)
 
 		val view = inflater.inflate(
-				R.layout.fragment_encode,
-				container,
-				false)
+			R.layout.fragment_encode,
+			container,
+			false
+		)
 
 		formatView = view.findViewById<Spinner>(R.id.format)
-		formatView.setAdapter(ArrayAdapter<String>(
+		formatView.setAdapter(
+			ArrayAdapter<String>(
 				activity,
 				android.R.layout.simple_list_item_1,
-				writers.map { it -> it.name }))
+				writers.map { it -> it.name })
+		)
 
 		sizeView = view.findViewById<TextView>(R.id.size_display)
 		sizeBarView = view.findViewById<SeekBar>(R.id.size_bar)
@@ -79,8 +67,11 @@ class EncodeFragment : Fragment() {
 		val args = getArguments()
 		args?.let {
 			contentView.setText(args.getString(CONTENT))
-			formatView.setSelection(writers.indexOf(
-					args.getSerializable(FORMAT) as BarcodeFormat?))
+			formatView.setSelection(
+				writers.indexOf(
+					args.getSerializable(FORMAT) as BarcodeFormat?
+				)
+			)
 		}
 
 		view.findViewById<View>(R.id.encode).setOnClickListener { v ->
@@ -88,14 +79,19 @@ class EncodeFragment : Fragment() {
 			var size = getSize(sizeBarView.getProgress())
 			val content = contentView.getText().toString()
 			if (content.isEmpty()) {
-				Toast.makeText(v.context, R.string.error_no_content,
-						Toast.LENGTH_SHORT).show()
+				Toast.makeText(
+					v.context, R.string.error_no_content,
+					Toast.LENGTH_SHORT
+				).show()
 			} else {
 				hideSoftKeyboard(contentView)
-				addFragment(fragmentManager, BarcodeFragment.newInstance(
+				addFragment(
+					fragmentManager, BarcodeFragment.newInstance(
 						content,
 						format,
-						size))
+						size
+					)
+				)
 			}
 		}
 
@@ -105,18 +101,19 @@ class EncodeFragment : Fragment() {
 	private fun initSizeBar() {
 		updateSize(sizeBarView.getProgress())
 		sizeBarView.setOnSeekBarChangeListener(
-				object : SeekBar.OnSeekBarChangeListener {
-			override fun onProgressChanged(
+			object : SeekBar.OnSeekBarChangeListener {
+				override fun onProgressChanged(
 					seekBar: SeekBar,
 					progressValue: Int,
-					fromUser: Boolean) {
-				updateSize(progressValue)
-			}
+					fromUser: Boolean
+				) {
+					updateSize(progressValue)
+				}
 
-			override fun onStartTrackingTouch(seekBar: SeekBar) {}
+				override fun onStartTrackingTouch(seekBar: SeekBar) {}
 
-			override fun onStopTrackingTouch(seekBar: SeekBar) {}
-		})
+				override fun onStopTrackingTouch(seekBar: SeekBar) {}
+			})
 	}
 
 	private fun updateSize(power: Int) {
@@ -128,9 +125,27 @@ class EncodeFragment : Fragment() {
 
 	private fun hideSoftKeyboard(view: View) {
 		val im = activity?.getSystemService(
-				Context.INPUT_METHOD_SERVICE) as InputMethodManager?
+			Context.INPUT_METHOD_SERVICE
+		) as InputMethodManager?
 		im?.let {
 			im.hideSoftInputFromWindow(view.getWindowToken(), 0)
 		}
 	}
+
+	companion object {
+		private const val CONTENT = "content"
+		private const val FORMAT = "format"
+
+		fun newInstance(
+			content: String,
+			format: BarcodeFormat = BarcodeFormat.AZTEC
+		): Fragment {
+			val args = Bundle()
+			args.putString(CONTENT, content)
+			args.putSerializable(FORMAT, format)
+			val fragment = EncodeFragment()
+			fragment.setArguments(args)
+			return fragment
+		}
+	}
 }

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

@@ -42,17 +42,22 @@ class YuvToGray(context: Context) {
 	}
 
 	fun convert(
-			data: ByteArray,
-			width: Int,
-			height: Int,
-			orientation: Int): Bitmap {
+		data: ByteArray,
+		width: Int,
+		height: Int,
+		orientation: Int
+	): Bitmap {
 		if (dest == null) {
 			yuvType = Type.createXY(rs, Element.U8(rs), width, height * 3 / 2)
-			yuvAlloc = Allocation.createTyped(rs, yuvType,
-					Allocation.USAGE_SCRIPT)
+			yuvAlloc = Allocation.createTyped(
+				rs, yuvType,
+				Allocation.USAGE_SCRIPT
+			)
 			rgbaType = Type.createXY(rs, Element.RGBA_8888(rs), width, height)
-			rgbaAlloc = Allocation.createTyped(rs, rgbaType,
-					Allocation.USAGE_SCRIPT)
+			rgbaAlloc = Allocation.createTyped(
+				rs, rgbaType,
+				Allocation.USAGE_SCRIPT
+			)
 
 			var w = width
 			var h = height
@@ -66,10 +71,11 @@ class YuvToGray(context: Context) {
 
 			dest = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
 			destAlloc = Allocation.createFromBitmap(
-					rs,
-					dest,
-					Allocation.MipmapControl.MIPMAP_NONE,
-					Allocation.USAGE_SCRIPT)
+				rs,
+				dest,
+				Allocation.MipmapControl.MIPMAP_NONE,
+				Allocation.USAGE_SCRIPT
+			)
 		}
 
 		yuvAlloc?.copyFrom(data)

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

@@ -18,60 +18,35 @@ import java.util.EnumMap
 import java.util.EnumSet
 
 class Zxing {
-	companion object {
-		private val black = 0xff000000.toInt()
-		private val white = 0xffffffff.toInt()
-
-		fun encodeAsBitmap(
-				text: String,
-				format: BarcodeFormat,
-				width: Int,
-				height: Int): Bitmap? {
-			val result = MultiFormatWriter().encode(text, format,
-					width, height, null)
-			val w = result.getWidth()
-			val h = result.getHeight()
-			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))
-						black
-					else
-						white
-				}
-				offset += w
-			}
-			val bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
-			bitmap.setPixels(pixels, 0, width, 0, 0, w, h)
-			return bitmap
-		}
-	}
-
 	private val multiFormatReader: MultiFormatReader = MultiFormatReader()
 
 	init {
 		val decodeFormats = EnumSet.noneOf<BarcodeFormat>(
-				BarcodeFormat::class.java)
-		decodeFormats.addAll(EnumSet.copyOf(Arrays.asList(
-				BarcodeFormat.AZTEC,
-				BarcodeFormat.CODABAR,
-				BarcodeFormat.CODE_39,
-				BarcodeFormat.CODE_93,
-				BarcodeFormat.CODE_128,
-				BarcodeFormat.DATA_MATRIX,
-				BarcodeFormat.EAN_8,
-				BarcodeFormat.EAN_13,
-				BarcodeFormat.ITF,
-				BarcodeFormat.MAXICODE,
-				BarcodeFormat.PDF_417,
-				BarcodeFormat.QR_CODE,
-				BarcodeFormat.RSS_14,
-				BarcodeFormat.RSS_EXPANDED,
-				BarcodeFormat.UPC_A,
-				BarcodeFormat.UPC_E,
-				BarcodeFormat.UPC_EAN_EXTENSION
-		)))
+			BarcodeFormat::class.java
+		)
+		decodeFormats.addAll(
+			EnumSet.copyOf(
+				Arrays.asList(
+					BarcodeFormat.AZTEC,
+					BarcodeFormat.CODABAR,
+					BarcodeFormat.CODE_39,
+					BarcodeFormat.CODE_93,
+					BarcodeFormat.CODE_128,
+					BarcodeFormat.DATA_MATRIX,
+					BarcodeFormat.EAN_8,
+					BarcodeFormat.EAN_13,
+					BarcodeFormat.ITF,
+					BarcodeFormat.MAXICODE,
+					BarcodeFormat.PDF_417,
+					BarcodeFormat.QR_CODE,
+					BarcodeFormat.RSS_14,
+					BarcodeFormat.RSS_EXPANDED,
+					BarcodeFormat.UPC_A,
+					BarcodeFormat.UPC_E,
+					BarcodeFormat.UPC_EAN_EXTENSION
+				)
+			)
+		)
 
 		val hints = EnumMap<DecodeHintType, Any>(DecodeHintType::class.java)
 		hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats)
@@ -97,4 +72,37 @@ class Zxing {
 			multiFormatReader.reset()
 		}
 	}
+
+	companion object {
+		private const val BLACK = 0xff000000.toInt()
+		private const val WHITE = 0xffffffff.toInt()
+
+		fun encodeAsBitmap(
+			text: String,
+			format: BarcodeFormat,
+			width: Int,
+			height: Int
+		): Bitmap? {
+			val result = MultiFormatWriter().encode(
+				text, format,
+				width, height, null
+			)
+			val w = result.getWidth()
+			val h = result.getHeight()
+			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))
+						BLACK
+					else
+						WHITE
+				}
+				offset += w
+			}
+			val bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
+			bitmap.setPixels(pixels, 0, width, 0, 0, w, h)
+			return bitmap
+		}
+	}
 }