How to make blink image when click button

Here is the simple way to make blinking image when click button:

public class BlinkImage extends Activity {
private Button btnClick;
private ImageView imgBlink;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.blink);
btnClick=(Button)findViewById(R.id.button1);
imgBlink=(ImageView)findViewById(R.id.imageView1);
btnClick.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
blinkblinkImage();
}
});

}
protected void blinkblinkImage() {

Animation animation = new AlphaAnimation(1, 0); // Change alpha
    // from fully
    // visible to
    // invisible
    animation.setDuration(500); // duration - half a second
    animation.setInterpolator(new LinearInterpolator()); // do not alter
    // animation
    // rate
    animation.setRepeatCount(Animation.INFINITE); // Repeat animation
    // infinitely
    animation.setRepeatMode(Animation.REVERSE); // Reverse animation at

    imgBlink.startAnimation(animation);

}
}


Sample outputs:

Happy Coding!!!