public class Buttonone extends Activity {
ImageButton btonImage;
boolean isPressed = true;
MediaPlayer mp;
boolean isPlay = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.button_one);

    btonImage = (ImageButton) findViewById(R.id.btonImage);
    btonImage.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            playSound();toggleImage();






            }

    });
}

private void toggleImage() {
    // TODO Auto-generated method stub
    btonImage.setImageResource(R.drawable.image2);
}