title: How to create UIView ripple circle animation?
body: <p>I want to create UIView Animation like this link</p>
  
  <p><a href="http://codepen.io/seansean11/pen/dhwzj" rel="nofollow">css3 ripple effect example</a></p>
  
  <p>i have tried all these codes in ViewDidLoad() and not working </p>
  
  <pre><code>UIView *view = [[UIView alloc] initWithFrame:CGRectMake(200, 200, 100, 100)];
      view.backgroundColor = [UIColor blueColor];
  
      CATransition *animation=[CATransition animation];
      [animation setDelegate:self];
      [animation setDuration:1.75];
      [animation setTimingFunction:UIViewAnimationCurveEaseInOut];
      [animation setType:@"rippleEffect"];
  
      [animation setFillMode:kCAFillModeRemoved];
      animation.endProgress=1;
      [animation setRemovedOnCompletion:NO];
      [view.layer addAnimation:animation forKey:nil];
      [self.view addSubview:view];
  </code></pre>
  
  <p>i want to create the same thing in iOS .Please help me</p>