play back media player in android

Media player class can be used to control playback of audio/video files and streams.An example below is shows how to use  and play a video .
the following code will be useful:

package com.codingonandroid;

import android.app.Activity;
import android.os.Bundle;
import android.widget.MediaController;
import android.widget.VideoView;

public class VideoplayerActivity extends Activity {
VideoView vv;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        vv=(VideoView)findViewById(R.id.videoView1);
        vv.setVideoPath("/sdcard/dh.3gp");
        vv.setMediaController(new MediaController(this));
        vv.start();
    }
}


//.xml file will be:

 <VideoView
        android:id="@+id/videoView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />