This is my VideoplayerActivity:
public class VideoPlayerActivity extends Activity {
    CustomVideoView video_player_view;
    DisplayMetrics dm;
    SurfaceView sur_View;
    MediaController media_Controller;
    AlertDialog alertDialog;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.video_view);
        if (getIntent().getData() != null && getIntent().getData().getPath() != null) {
            getInit(getIntent().getData().getPath());
        }
        if (getIntent().hasExtra("file_path")) {
            getInit(getIntent().getStringExtra("file_path"));
        }
    }
    public void getInit(String file_path) {
        video_player_view = (CustomVideoView) findViewById(R.id.video_player_view);
        media_Controller = new MediaController(this);
        video_player_view.setPlayPauseListener(new CustomVideoView.PlayPauseListener() {
            @Override
            public void onPlay() {
                if (alertDialog != null) {
                    alertDialog.dismiss();
                }
            }
            @Override
            public void onPause() {
                alertDialog = new AlertDialog.Builder(VideoPlayerActivity.this).create();
                alertDialog.setMessage("Video has been paused");
                alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        alertDialog.dismiss();
                    }
                });
                alertDialog.show();
            }
        });
        video_player_view.setMediaController(media_Controller);
        video_player_view.setVideoPath(file_path);
        video_player_view.start();
    }
}
and here is my CustomVideoView
public class CustomVideoView extends VideoView {
    private PlayPauseListener mListener;
    public CustomVideoView(Context context) {
        super(context);
    }
    public CustomVideoView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }
    public CustomVideoView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }
    public void setPlayPauseListener(PlayPauseListener listener) {
        mListener = listener;
    }
    @Override
    public void pause() {
        super.pause();
        if (mListener != null) {
            mListener.onPause();
        }
    }
    @Override
    public void resume() {
        super.resume();
        if (mListener != null) {
            mListener.onPlay();
        }
    }
    @Override
    public void start() {
        super.start();
        if (mListener != null) {
            mListener.onPlay();
        }
    }
    public static interface PlayPauseListener {
        void onPlay();
        void onPause();
    }
}
the problem is that when i click to resume video at first it dismiss alert dialog and after second time i clicked it resume my video. I want it to be happen on single click , kindly help me through this.