private void startCameraSource() {
try {
mPreview.start(mCameraSource, mGraphicOverlay);
boolean startAsyncTask = sp.getBoolean("vision_continuous_test", false);
if (!startAsyncTask) {
if (asyncTask != null) {
// Check if there is an Async Task running. If so, cancel it
switch (asyncTask.getStatus()) {
case RUNNING:
asyncTask.cancel(true);
asyncTask = null;
break;
case PENDING:
asyncTask.cancel(true);
asyncTask = null;
break;
case FINISHED:
asyncTask = null;
break;
}
}
asyncTask =
new AsyncTaskWaitForBarcode(
this, Integer.parseInt(sp.getString("vision_sleep", "1500")))
.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
} catch (IOException e) {
mCameraSource.release();
mCameraSource = null;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mCameraSource != null) mCameraSource.release(); // release the resources
if (asyncTask != null) {
// Check if there is an Async Task running. If so, cancel it
switch (asyncTask.getStatus()) {
case RUNNING:
asyncTask.cancel(true);
asyncTask = null;
break;
case PENDING:
asyncTask.cancel(true);
asyncTask = null;
break;
case FINISHED:
asyncTask = null;
break;
}
}
}