OrientationEventListener to log orientation changes

OrientationLoggingActivity.java

public abstract class OrientationLoggingActivity extends AppCompatActivity { 

    private OrientationEventListener orientationEventListener = null;

    @Override
    protected void onCreate(Bundle bundle) {
        super.onCreate(bundle);

        orientationEventListener = new OrientationEventListener(this) {

            @Override
            public void onOrientationChanged(int orientation) {
                Log.v("OrientationLoggingActivity", "Orientation changed to " + orientation);
            }
        };
        if (orientationEventListener.canDetectOrientation()) {
            orientationEventListener.enable();
        }
    }
  
    @Override
    protected void onDestroy() {
        orientationEventListener.disable();
        orientationEventListener = null;
        super.onDestroy();
    }
}