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InfiteeAnimation,优秀的入门iOS动画Demo

之前无意在App Store看到了一个叫Infintee的app,瞬间被其华丽流畅的交互动画吸引了。所以花了一点时间尝试实现里面的动画效果。 实现过程发现里面的动画还是挺复杂的,所以自己目前还不能100%实现里面的所有动画 希望各路大神有兴趣的可以交流一下。

系统需求

  • iOS 9.0 +
  • Xcode 9.0 +
  • Swift 5

涉及技术要点

  • CAAnimation

项目主要使用CAAnimation库构建动画,包括其各种子类,CASpringAnimation,CAAnimationGroup,CAKeyframeAnimation。

  • 自定义转场动画

自定义Navigation转场动画

  • tableviewCell动画

自定义tableviewCell动画

展示

image

部分代码展示


let positAnimation = CABasicAnimation()
positAnimation.keyPath = "position"
positAnimation.fromValue = closeButton.center
let centerX = self.frame.size.width - 25
let toPoint = CGPoint(x: centerX, y: closeButton.center.y)
positAnimation.toValue = toPoint

positAnimation.fillMode = .forwards
positAnimation.isRemovedOnCompletion = false

let rotationAnimation = CABasicAnimation()
rotationAnimation.keyPath = "transform.rotation.z"
rotationAnimation.fromValue = 0
rotationAnimation.toValue = Double.pi
rotationAnimation.fillMode = .forwards
rotationAnimation.isRemovedOnCompletion = false

let groupAnimation = CAAnimationGroup()
groupAnimation.animations = [positAnimation, rotationAnimation]
groupAnimation.delegate = self
groupAnimation.duration = 0.4
groupAnimation.fillMode = .forwards
groupAnimation.isRemovedOnCompletion = false
groupAnimation.setValue(toPoint, forKey: "posit")
closeButton.layer.add(groupAnimation, forKey: nil)

运行

git clone项目之后直接点击InfiteeAnimation.xcworkspace运行

后续更新

  • 完善Infintee其他动画效果
  • 优化动画流畅性

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