android - detect a touch on the screen while video is running - android

I am a beginner and I have two question.
Why does the video in the attached code is not running (get a message from the emulator that the application cannot run the video).
Can anyone please help me to understand how should I implement the onTouchEvent in order to capture a touch on the screen (don't care where on the screen) while a video is running.
Thanks in advance
Amihay
public class VidShow extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.videoscrn);
/*run the video*/
VideoView video = (VideoView) findViewById(R.id.video);
// Load and start the movie
video.setVideoPath("raw/samplevideo.3gp" );
video.start();
}
}


Extend VideoView and implement VideoView.onTouchEvent(..).

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CODE
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