Open README on GitHub from action menu

To make everybody aware the app's using ZXing and what
that is and what license it has.

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

@@ -100,7 +100,7 @@ class MainActivity : AppCompatActivity() {
 		if (!Intent.ACTION_SEND.equals(intent.getAction()) ||
 				!"text/plain".equals(type) ||
 				text.isEmpty()) {
-			return;
+			return
 		}
 
 		// consume this intent

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

@@ -15,9 +15,11 @@ import de.markusfisch.android.binaryeye.zxing.Zxing
 import de.markusfisch.android.binaryeye.R
 
 import android.content.Context
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.graphics.Rect
 import android.hardware.Camera
+import android.net.Uri
 import android.os.Bundle
 import android.os.Vibrator
 import android.support.v4.app.Fragment
@@ -144,6 +146,10 @@ class CameraFragment : Fragment() {
 				toggleTorchMode()
 				true
 			}
+			R.id.info -> {
+				openReadme()
+				true
+			}
 			else -> super.onOptionsItemSelected(item)
 		}
 	}
@@ -154,11 +160,16 @@ class CameraFragment : Fragment() {
 		parameters?.setFlashMode(if (flash)
 			Camera.Parameters.FLASH_MODE_OFF
 		else
-			Camera.Parameters.FLASH_MODE_TORCH);
+			Camera.Parameters.FLASH_MODE_TORCH)
 		flash = flash xor true
 		parameters?.let { camera.setParameters(parameters) }
 	}
 
+	private fun openReadme() {
+		startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(
+				"https://github.com/markusfisch/BinaryEye/blob/master/README.md")))
+	}
+
 	private fun startDecoding() {
 		activity ?: return
 

app/src/main/kotlin/de/markusfisch/android/binaryeye/widget/LockOnView.kt

@@ -95,13 +95,13 @@ class LockOnView : SurfaceView {
 		val matrix = Matrix()
 		matrix.setScale(-1f, 1f)
 		markerTopRight = Bitmap.createBitmap(markerTopLeft,
-				0, 0, width, height, matrix, false);
+				0, 0, width, height, matrix, false)
 		matrix.setScale(1f, -1f)
 		markerBottomLeft = Bitmap.createBitmap(markerTopLeft,
-				0, 0, width, height, matrix, false);
+				0, 0, width, height, matrix, false)
 		matrix.setScale(-1f, -1f)
 		markerBottomRight = Bitmap.createBitmap(markerTopLeft,
-				0, 0, width, height, matrix, false);
+				0, 0, width, height, matrix, false)
 	}
 
 	private fun initSurfaceHolder(context: Context) {

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM13,17h-2v-6h2v6zM13,9h-2L11,7h2v2z"/>
+</vector>

app/src/main/res/menu/fragment_camera.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/info"
+		android:title="@string/info"
+		android:icon="@drawable/ic_action_info"
+		material:showAsAction="ifRoom"/>
 	<item
 		android:id="@+id/flash"
 		android:title="@string/flash"

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

@@ -7,7 +7,6 @@
 	<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="share">Share</string>
 	<string name="cannot_resolve_action">No application can open that</string>
 	<string name="format">Format</string>
 	<string name="size">Size in pixels</string>
@@ -15,4 +14,5 @@
 	<string name="create">CREATE</string>
 	<string name="error_no_content">Missing content</string>
 	<string name="view_barcode">View barcode</string>
+	<string name="info">Info</string>
 </resources>