Try this-
final MediaPlayer mp1 = MediaPlayer.create(this, R.raw.one);
final MediaPlayer mp2 = MediaPlayer.create(this, R.raw.two);
Button btn = (Button)this.findViewById (R.id.button1);
btn.setOnClickListener(new OnClickListener(){
@override
public void onClick(View v) {
mp1.start();
mp2.pause();
mp2.seekTo(0);
}
});
Button btn1 = (Button)this.findViewById (R.id.button2);
btn1.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
mp1.pause();
mp1.seekTo(0);
mp2.start();
}
});