private void restartPreviewAndDecode() {
if (state == State.SUCCESS) {
state = State.PREVIEW;
cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
activity.drawViewfinder();
}
}
QrCodeCaptureActivityHandler(
QrCodeCaptureActivity activity,
Collection<BarcodeFormat> decodeFormats,
Map<DecodeHintType, ?> baseHints,
String characterSet,
CameraManager cameraManager) {
this.activity = activity;
decodeThread =
new DecodeThread(
activity,
decodeFormats,
baseHints,
characterSet,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
// Start ourselves capturing previews and decoding.
this.cameraManager = cameraManager;
cameraManager.startPreview();
restartPreviewAndDecode();
}
@Override
public void handleMessage(Message message) {
if (message.what == R.id.restart_preview) {
restartPreviewAndDecode();
} else if (message.what == R.id.decode_succeeded) {
state = State.SUCCESS;
Bundle bundle = message.getData();
Bitmap barcode = null;
float scaleFactor = 1.0f;
if (bundle != null) {
byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP);
if (compressedBitmap != null) {
barcode =
BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null);
// Mutable copy:
barcode = barcode.copy(Bitmap.Config.ARGB_8888, true);
}
scaleFactor = bundle.getFloat(DecodeThread.BARCODE_SCALED_FACTOR);
}
activity.handleDecode((Result) message.obj, barcode, scaleFactor);
} else if (message.what == R.id.decode_failed) {
// We're decoding as fast as possible, so when one decode fails, start another.
state = State.PREVIEW;
cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
} else if (message.what == R.id.return_scan_result) {
activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
activity.finish();
} else if (message.what == R.id.launch_product_query) {
String url = (String) message.obj;
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.setData(Uri.parse(url));
ResolveInfo resolveInfo =
activity.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
String browserPackageName = null;
if (resolveInfo != null && resolveInfo.activityInfo != null) {
browserPackageName = resolveInfo.activityInfo.packageName;
Log.d(TAG, "Using browser in package " + browserPackageName);
}
// Needed for default Android browser / Chrome only apparently
if ("com.android.browser".equals(browserPackageName)
|| "com.android.chrome".equals(browserPackageName)) {
intent.setPackage(browserPackageName);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Browser.EXTRA_APPLICATION_ID, browserPackageName);
}
try {
activity.startActivity(intent);
} catch (ActivityNotFoundException ignored) {
Log.w(TAG, "Can't find anything to handle VIEW of URI " + url);
}
}
// switch (message.what) {
// case R.id.restart_preview:
// restartPreviewAndDecode();
// break;
// case R.id.decode_succeeded:
// state = State.SUCCESS;
// Bundle bundle = message.getData();
// Bitmap barcode = null;
// float scaleFactor = 1.0f;
// if (bundle != null) {
// byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP);
// if (compressedBitmap != null) {
// barcode = BitmapFactory.decodeByteArray(compressedBitmap, 0,
// compressedBitmap.length, null);
// // Mutable copy:
// barcode = barcode.copy(Bitmap.Config.ARGB_8888, true);
// }
// scaleFactor = bundle.getFloat(DecodeThread.BARCODE_SCALED_FACTOR);
// }
// activity.handleDecode((Result) message.obj, barcode, scaleFactor);
// break;
// case R.id.decode_failed:
// // We're decoding as fast as possible, so when one decode fails, start another.
// state = State.PREVIEW;
// cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
// break;
// case R.id.return_scan_result:
// activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
// activity.finish();
// break;
// case R.id.launch_product_query:
// String url = (String) message.obj;
//
// Intent intent = new Intent(Intent.ACTION_VIEW);
// intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
// intent.setData(Uri.parse(url));
//
// ResolveInfo resolveInfo =
// activity.getPackageManager().resolveActivity(intent,
// PackageManager.MATCH_DEFAULT_ONLY);
// String browserPackageName = null;
// if (resolveInfo != null && resolveInfo.activityInfo != null) {
// browserPackageName = resolveInfo.activityInfo.packageName;
// Log.d(TAG, "Using browser in package " + browserPackageName);
// }
//
// // Needed for default Android browser / Chrome only apparently
// if ("com.android.browser".equals(browserPackageName) ||
// "com.android.chrome".equals(browserPackageName)) {
// intent.setPackage(browserPackageName);
// intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// intent.putExtra(Browser.EXTRA_APPLICATION_ID, browserPackageName);
// }
//
// try {
// activity.startActivity(intent);
// } catch (ActivityNotFoundException ignored) {
// Log.w(TAG, "Can't find anything to handle VIEW of URI " + url);
// }
// break;
// }
}
