/** Send a decode request for realtime OCR mode */
private void restartOcrPreviewAndDecode() {
// Continue capturing camera frames
cameraManager.startPreview();
// Continue requesting decode of images
cameraManager.requestOcrDecode(decodeThread.getHandler(), R.id.ocr_continuous_decode);
activity.drawViewfinder();
}
/** Start the preview, but don't try to OCR anything until the user presses the shutter button. */
private void restartOcrPreview() {
// Display the shutter and torch buttons
activity.setButtonVisibility(true);
if (getState() == State.SUCCESS) {
setState(State.PREVIEW);
// Draw the viewfinder.
activity.drawViewfinder();
// Start cycling the autofocus
if (!isAutofocusLoopStarted) {
// isAutofocusLoopStarted = true;
requestAutofocus(R.id.auto_focus);
}
}
}
@Override
public void handleMessage(Message message) {
switch (message.what) {
case R.id.user_requested_auto_focus:
// Reset the state, but don't request more autofocusing.
if (getState() == State.PREVIEW_FOCUSING) {
setState(State.PREVIEW);
} /* else if (state == State.CONTINUOUS_FOCUSING) {
state = State.CONTINUOUS;
} else if (state == State.CONTINUOUS_WAITING_FOR_AUTOFOCUS_TO_FINISH) {
state = State.CONTINUOUS;
restartOcrPreviewAndDecode();
}*/
case R.id.auto_focus:
// If the last autofocus was successful, use a longer delay.
if (message.getData().getBoolean("success")) {
// Vibrate for 50 milliseconds
v.vibrate(25);
// focusStatus = true;
ViewfinderView.cornerColor = Color.GREEN;
ViewfinderView.frameColor = Color.GREEN;
activity.drawViewfinder();
if (CaptureActivity.clicked == true) {
ocrDecode();
}
CaptureActivity.clicked = false;
// try {
// Thread.sleep(1000);
// } catch (InterruptedException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// ViewfinderView.cornerColor = Color.WHITE;
// ViewfinderView.frameColor = Color.WHITE;
// activity.drawViewfinder();
// ViewfinderView.changeRectColor(Color.GREEN,activity);
delay = CaptureActivity.AUTOFOCUS_SUCCESS_INTERVAL_MS;
} else {
Toast toast =
Toast.makeText(
activity.getBaseContext(),
"Keep your phone at proper distance or turn ON the Torch.",
Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP, 0, 0);
toast.show();
ViewfinderView.cornerColor = Color.RED;
ViewfinderView.frameColor = Color.RED;
activity.drawViewfinder();
// focusStatus = false;
// ViewfinderView.changeRectColor(Color.RED,activity);
delay = CaptureActivity.AUTOFOCUS_FAILURE_INTERVAL_MS;
}
// Submit another delayed autofocus request.
if (getState() == State.PREVIEW_FOCUSING || getState() == State.PREVIEW) {
setState(State.PREVIEW);
// requestDelayedAutofocus(delay, R.id.auto_focus);
} /*else if (state == State.CONTINUOUS_FOCUSING || state == State.CONTINUOUS) {
state = State.CONTINUOUS;
requestDelayedAutofocus(delay, R.id.auto_focus);
} else if (state == State.PREVIEW_FOCUSING) {
requestDelayedAutofocus(delay, R.id.auto_focus);
} else if (state == State.CONTINUOUS_FOCUSING) {
requestDelayedAutofocus(delay, R.id.auto_focus);
} else if (state == State.CONTINUOUS_WAITING_FOR_AUTOFOCUS_TO_FINISH) {
state = State.CONTINUOUS;
requestDelayedAutofocus(delay, R.id.auto_focus);
restartOcrPreviewAndDecode();
}*/ else {
isAutofocusLoopStarted = false;
}
break;
case R.id.restart_preview:
restartOcrPreview();
break;
/* case R.id.ocr_continuous_decode_failed:
DecodeHandler.resetDecodeState();
try {
activity.handleOcrContinuousDecode((OcrResultFailure) message.obj);
} catch (NullPointerException e) {
Log.w(TAG, "got bad OcrResultFailure", e);
}
if (state == State.CONTINUOUS) {
restartOcrPreviewAndDecode();
} else if (state == State.CONTINUOUS_FOCUSING) {
state = State.CONTINUOUS_WAITING_FOR_AUTOFOCUS_TO_FINISH;
}
break;
case R.id.ocr_continuous_decode_succeeded:
DecodeHandler.resetDecodeState();
try {
activity.handleOcrContinuousDecode((OcrResult) message.obj);
} catch (NullPointerException e) {
// Continue
}
if (state == State.CONTINUOUS) {
restartOcrPreviewAndDecode();
} else if (state == State.CONTINUOUS_FOCUSING) {
state = State.CONTINUOUS_WAITING_FOR_AUTOFOCUS_TO_FINISH;
}
break;*/
case R.id.ocr_decode_succeeded:
try {
setState(State.SUCCESS);
// activity.setShutterButtonClickable(true);
activity.handleOcrDecode((OcrResult) message.obj);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
case R.id.ocr_decode_failed:
setState(State.PREVIEW);
// activity.setShutterButtonClickable(true);
Toast toast =
Toast.makeText(activity.getBaseContext(), "Please try again.", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP, 0, 0);
toast.show();
// requestAutofocus(R.id.auto_focus);
break;
}
}
