SSBouncyButton is simple button UI component with iOS 7-style bouncy animation.
pod 'SSBouncyButton', '~> 1.0'Use it just like using an UIButton. You can find the sample code.
SSBouncyButton is written by Suyeol Jeon and, Suyeol Jeon and StyleShare maintain it. It is distributed under MIT License. The source code is available on GitHub.