Video Player

package com.android.AndroidVideoPlayer;

import android.app.Activity;
import android.graphics.PixelFormat;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Button;
import android.widget.VideoView;

//Implement SurfaceHolder interface to Play video
//Implement this interface to receive information about changes to the surface
public class AndroidVideoPlayer extends Activity implements SurfaceHolder.Callback{

MediaPlayer mediaPlayer;
SurfaceView surfaceView;
SurfaceHolder surfaceHolder;
boolean pausing = false;;


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        Button buttonPlayVideo = (Button)findViewById(R.id.playvideoplayer);
       
        getWindow().setFormat(PixelFormat.UNKNOWN);
     
        //Displays a video file. 
        VideoView mVideoView = (VideoView)findViewById(R.id.videoview);
     
       
        String uriPath = "android.resource://com.android.AndroidVideoPlayer/"+R.raw.k;
Uri uri = Uri.parse(uriPath);
        mVideoView.setVideoURI(uri);
        mVideoView.requestFocus();
        mVideoView.start();

       
       
        buttonPlayVideo.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
VideoView mVideoView = (VideoView)findViewById(R.id.videoview);
       // VideoView mVideoView = new VideoView(this);
        String uriPath = "android.resource://com.android.AndroidVideoPlayer/"+R.raw.k;
Uri uri = Uri.parse(uriPath);
        mVideoView.setVideoURI(uri);
        mVideoView.requestFocus();
        mVideoView.start();


}});
     }
   
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// TODO Auto-generated method stub

}

@Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub

}

@Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub

}
}
+++++++++++++++++++++++++++++++++++++

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
  <TextView 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
  <Button
android:id="@+id/playvideoplayer" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="- PLAY Video -"
    />

   
   <VideoView
android:id="@+id/videoview" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    />
   

</LinearLayout>