Java tutorial
//package com.java2s; //License from project: Open Source License import android.animation.Animator; import android.view.View; import android.view.ViewAnimationUtils; public class Main { public static Animator createOutAnimator(View view) { // get the center for the clipping circle int cx = view.getWidth() / 2; int cy = view.getHeight() / 2; // get the initial radius for the clipping circle int initialRadius = view.getWidth(); // create the animation (the final radius is zero) return ViewAnimationUtils.createCircularReveal(view, cx, cy, initialRadius, 0).setDuration(300); } }