OpenCv crashes when calling from android activity. [closed]
i have this code in which i use openCV to launch a camera. The code is given below. If this class "MainActivity" is used as the main class then every thing works fine but if i use it from another activity then the application crashes.
Here's the code of openCV android.
private CameraBridgeViewBase mOpenCvCameraView;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
// Log.i(TAG, "OpenCV loaded successfully");
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
@Override
public void onResume()
{
super.onResume();
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.helloopencvlayout);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.HelloOpenCvView);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener((CvCameraViewListener2) this);
}.
Now if i try to call this from another activity using intent in which i just have a button and onclick method is implemented and when the button is pressed , this activity is called , the application crashes.
It's been more the 4 hours , i am struggling with it. Please help and thanks in advance.
What i believe is that there is a callback method implemented , so we can't call this activity as normal activity call , or may be some other concept. I search it on the internet , but nothing helps. Some where i also found the concept of Async call , but i didn't get it.
Please help. Thanks.
What is error message or exception. If you get an exception please add exception message and stack trace.