Exercise : 17
Create an application that will play a media file from the memory card.

Screen Shot:

XML :
main.xml :

JAVA :

SeventeenActivity.java :

package kmn.Seventeen;
import android.app.Activity;
import android.content.Context;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class SeventeenActivity extends Activity
{
	/** @author Y@@D */

	MediaPlayer player=null;
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button start=(Button)findViewById(R.id.button1);
        Button stop=(Button)findViewById(R.id.button2);
        getSystemService(Context.AUDIO_SERVICE);
        start.setOnClickListener(new View.OnClickListener() {
       				
			public void onClick(View arg0) 
			{
			
				try
				{
					player=null;
					player=new MediaPlayer();				
					String audioFilePath="/sdcard/braincandy.mp3";
					player.setDataSource(audioFilePath);
					player.prepare();
					player.start();
				}
				catch(Exception e)
				{
					Toast.makeText(SeventeenActivity.this,""+e,Toast.LENGTH_LONG).show();
					
				}
			}
		});
        stop.setOnClickListener(new View.OnClickListener() 
        {
			public void onClick(View arg0) 
        	{
        		player.stop();
			}
		});
    }
}

~>step to add a mp3 file to sdcard

1)goto the ddms

2)click on push button

3)and select the given mp3 file.

Enjoy.................