UITextField-Shake
UITextField category that adds a shake animation like the password field of the OsX login screen.
Setup with CocoaPods
pod 'UITextField+Shake', '~> 1.1'
Import UITextField+Shake.h in your controller's header file, or UITextField_Shake if you are using the use_frameworks! directive.
Setup with Carthage
github "andreamazz/UITextField-Shake"
