title: bouncing animation for image
body: <p>I want to animate an image like bouncing.I am able to bounce it forward but I am not able to push it back.
  I am using this code:</p>
  
  <pre><code>[UIView beginAnimations:nil context:NULL];
  [UIView setAnimationDuration:2.0f];
  hair.transform = CGAffineTransformMakeScale(3.0, 3.0);
  [UIView commitAnimations];
  </code></pre>
  
  <p>Please help me out ..I am struct at this point and not able to solve this problem.Please help me.</p>