Bumped version number for beta release (for real this time).

Catch RuntimeException when getting camera parameters

See merge request !579

briar-android/build.gradle

@@ -78,8 +78,8 @@ android {
 	defaultConfig {
 		minSdkVersion 14
 		targetSdkVersion 22
-		versionCode 1607
-		versionName "0.16.7"
+		versionCode 1608
+		versionName "0.16.8"
 		applicationId "org.briarproject.briar.beta"
 		resValue "string", "app_package", "org.briarproject.briar.beta"
 		buildConfigField "String", "GitHash", "\"${getGitHash()}\""

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/QrCodeDecoder.java

@@ -22,6 +22,7 @@ import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import java.util.logging.Logger;
 
 import static java.util.logging.Level.INFO;
+import static java.util.logging.Level.WARNING;
 
 @SuppressWarnings("deprecation")
 @MethodsNotNullByDefault
@@ -60,8 +61,12 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 	@Override
 	public void onPreviewFrame(byte[] data, Camera camera) {
 		if (camera == this.camera) {
-			Size size = camera.getParameters().getPreviewSize();
-			new DecoderTask(data, size.width, size.height).execute();
+			try {
+				Size size = camera.getParameters().getPreviewSize();
+				new DecoderTask(data, size.width, size.height).execute();
+			} catch (RuntimeException e) {
+				LOG.log(WARNING, "Error getting camera parameters.", e);
+			}
 		}
 	}
 
@@ -70,7 +75,7 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 		private final byte[] data;
 		private final int width, height;
 
-		DecoderTask(byte[] data, int width, int height) {
+		private DecoderTask(byte[] data, int width, int height) {
 			this.data = data;
 			this.width = width;
 			this.height = height;

briar-android/src/main/java/org/briarproject/briar/android/keyagreement/ShowQrCodeFragment.java

@@ -218,7 +218,7 @@ public class ShowQrCodeFragment extends BaseEventFragment
 			statusView.setVisibility(VISIBLE);
 			status.setText(R.string.connecting_to_device);
 			task.connectAndRunProtocol(remotePayload);
-		} catch (IOException e) {
+		} catch (IOException | IllegalArgumentException e) {
 			// TODO show failure
 			Toast.makeText(getActivity(), R.string.qr_code_invalid,
 					LENGTH_LONG).show();