UITextField-Shake-Swift 
UITextField extension in Swift that adds shake animation
Initially created by Andrea Mazzini (using Objective-C) on 08/02/14: https://github.com/andreamazz/UITextField-Shake
Translated by myself from Objective-C to Swift and provided to you on this repository.
##Setup with CocoaPods (recommended setup)
- Add the instructions below to your Podfile:
source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '9.0'
use_frameworks!
pod 'UITextField-Shake-Swift'
-
Then add
import UITextField_Shake_Swiftat the top of your Swift class. -
Finally compile and run and you will be good to go.
####Otherwise you can also manually import the framework
Just drag and drop UITextFieldShakeSwift/UITextFieldShakeSwift/UITextField+Shake.swift file into your Xcode project and do not forget to check the checkbox entitled "Copy items if needed" and the appropriate checkboxe(s) in "Add to targets" section.
##Usage
###In Swift
// Shake
self.textField.shake()
// Shake with the default speed
self.textField.shake(10, // 10 times
withDelta: 5.0 // 5 points wide
)
// Shake with a custom speed
self.textField.shake(10, // 10 times
withDelta: 5.0, // 5 points wide
speed: 0.03 // 30ms per shake
)
// Shake with a custom speed and direction
self.textField.shake(10, // 10 times
withDelta: 5.0, // 5 points wide
speed: 0.03, // 30ms per shake
shakeDirection: ShakeDirection.Vertical
)
####Completion Handler You can also pass a closure that will be run as soon as the shake animation stops:
// Using the trailing closure syntax
self.textField.shake(10, withDelta: 5.0) {
() -> Void in
println("Called after TextField ended up shaking")
}
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