一个用于Swift简化 iOS 动画开发的库。

Installation

Drop in the Spring folder to your Xcode project.

Or via CocoaPods pre-release:pod 'Spring', '~> 1.0.0'

Usage with Storyboard

In Identity Inspector, connect the UIView to SpringView Class and set the animation properties in Attribute Inspector.

Usage with Code

layer.animation = "squeezeDown"  layer.animate()

Demo The Animations

Chaining Animations

layer.y = -50  animateToNext {    layer.animation = "fall"    layer.animateTo()  }

Functions

animate()  animateNext { ... }  animateTo()  animateToNext { ... }

Animation

shake  pop  morph  squeeze  wobble  swing  flipX  flipY  fall  squeezeLeft  squeezeRight  squeezeDown  squeezeUp  slideLeft  slideRight  slideDown  slideUp  fadeIn  fadeOut  fadeInLeft  fadeInRight  fadeInDown  fadeInUp  zoomIn  zoomOut  flash

Curve

spring  linear   easeIn   easeOut   easeInOut

Properties

force  duration  delay  damping  velocity  repeatCount  scale  x  y  rotate

* Not all properties work together. Play with the demo app.

项目主页：http://www.open-open.com/lib/view/home/1423234052670