FMSpringView is a UIView category that adds a spring-like animation to any UIView.
*NOTE: the supported build target is iOS 5.1 (Xcode 4.4)
Add the <QuartzCore/QuartzCore.h> framework and drag the FMSpringView class files into your project.
(see sample Xcode project /Demo)
FMSpringView was created by Maurizio Cremaschi and Andrea Ottolina for Flubber Media Ltd.