@Override
protected void onPause() {
super.onPause();
if (mRajRenderer == null) return;
mSurfaceView.onPause();
mRajRenderer.onVisibilityChanged(false);
mRajRenderer.onSurfaceDestroyed();
}
public void onSurfaceDestroyed() {
mMediaPlayer.release();
super.onSurfaceDestroyed();
}