 <p>Refer to this link. you will find many examples related to animation.</p> <p><a href="http://developer.apple.com/library/mac/#documentation/GraphicsImaging/Reference/CAAnimation_class/Introduction/Introduction.html" rel="nofollow">http://developer.apple.com/library/mac/#documentation/GraphicsImaging/Reference/CAAnimation_class/Introduction/Introduction.html</a></p> <p><a href="http://www.vellios.com/2010/07/11/simple-iphone-animation-tutorial/" rel="nofollow">http://www.vellios.com/2010/07/11/simple-iphone-animation-tutorial/</a></p>