title: how to implement animation on shake effect in iphone?
body: <p>I have implemented one simple application for iphone.now i want to implement some animation.</p>
  
  <p>Example:i have selected one photo from the photo library.Then i want to animate selected portion from the photo using shake effect.</p>
  
  <p>I have seen lots of application in apple store.But i dont know how to implement this functionality.</p>