实现效果
->->
代码
final View image = findViewById(R.id.image2);
image.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Animator circularReveal = ViewAnimationUtils.
createCircularReveal(image, image.getWidth()/2, image.getHeight()/2, 0,image.getWidth()/2);
//(View view,int centerX, int centerY, float startRadius, float endRadius)
circularReveal.setInterpolator(new AccelerateDecelerateInterpolator());
circularReveal.setDuration(1000);
circularReveal.start();
}
});