IOS swift中的動畫的實例詳解
UIView的通用動畫
let view = UIView(frame: CGRectMake(10.0, 10.0, 100.0, 40.0))self.view.addSubview(view)view.backgroundColor = UIColor.lightGrayColor()// 位置改變var frame = view.frameUIView.animateWithDuration(0.6, delay: 2.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { () -> Void in frame.origin.x = 200.0 view.frame = frame }) { (finished:Bool) -> Void in UIView.animateWithDuration(0.6) { () -> Void in frame.origin.x = 10.0 view.frame = frame }}
CABasicAnimation核心動畫
1、CABasicAnimation類只有三個屬性:
fromValue:開始值 toValue:結束值 Duration:動畫的時間 repeatCount:重復次數
2、通過animationWithKeyPath鍵值對的方式設置不同的動畫效果
transform.scale transform.scale.x transform.scale.y transform.rotation.z opacity margin zPosition backgroundColor cornerRadius borderWidth bounds contents contentsRect cornerRadius frame hidden mask masksToBounds opacity position shadowColor shadowOffset shadowOpacity shadowRadius
let view = UILabel(frame: CGRectMake((self.view.frame.size.width - 200.0) / 2, 10.0, 200.0, 40.0))self.view.addSubview(view)view.text = "縮放/淡入淡出"view.textAlignment = .Centerview.adjustsFontSizeToFitWidth = trueview.backgroundColor = UIColor.lightGrayColor()//let layer = view.layer// 開始動畫// 縮放let scaleAnimate = CABasicAnimation(keyPath: "transform.scale")scaleAnimate.fromValue = 1.0scaleAnimate.toValue = 1.5scaleAnimate.autoreverses = truescaleAnimate.repeatCount = MAXFLOATscaleAnimate.duration = 1.0// 淡入淡出let opaqueAnimate = CABasicAnimation(keyPath: "opacity")opaqueAnimate.fromValue = 0.1opaqueAnimate.toValue = 1opaqueAnimate.autoreverses = trueopaqueAnimate.repeatCount = MAXFLOATopaqueAnimate.duration = 1.0layer.addAnimation(scaleAnimate, forKey: "scaleAnimate")layer.addAnimation(opaqueAnimate, forKey: "opacityAnimate")
// 組合動畫let view3 = UILabel(frame: CGRectMake(10.0, (currentView.frame.origin.y + currentView.frame.size.height + 10.0), 120.0, 40.0))self.view.addSubview(view3)view3.text = "組合動畫"view3.textAlignment = .Centerview3.adjustsFontSizeToFitWidth = trueview3.backgroundColor = UIColor.lightGrayColor()//let layer3 = view3.layer// CAAnimationGroup組合動畫效果let rotate: CABasicAnimation = CABasicAnimation()rotate.keyPath = "tranform.rotation"rotate.toValue = M_PIlet scale: CABasicAnimation = CABasicAnimation()scale.keyPath = "transform.scale"scale.toValue = 0.0let move: CABasicAnimation = CABasicAnimation()move.keyPath = "transform.translation"move.toValue = NSValue(CGPoint: CGPoint(x: 217, y: 230))let animationGroup:CAAnimationGroup = CAAnimationGroup()animationGroup.animations = [rotate, scale, move]animationGroup.duration = 2.0animationGroup.fillMode = kCAFillModeForwardsanimationGroup.removedOnCompletion = falseanimationGroup.repeatCount = MAXFLOAT//layer3.addAnimation(animationGroup, forKey: nil)
CAKeyframeAnimation關鍵幀動畫
主要屬性:
keyPath : 要設置的屬性 path : 路徑 可用UIBezierPath(設置了path,將忽略values) duration : 動畫時長 repeatCount : 重復次數 calculationMode : 動畫計算方式 values:每一個關鍵幀(設置了path,將忽略values) removedOnCompletion:執行完之后不刪除動畫 fillMode:執行完之后保存最新的狀態 delegate:代理
let view = UILabel(frame: CGRectMake((self.view.frame.size.width - 200.0) / 2, 10.0, 200.0, 40.0))self.view.addSubview(view)view.text = "CAKeyframeAnimation動畫"view.backgroundColor = UIColor.lightGrayColor()//let layer = view.layer// 位移let keyAnimate = CAKeyframeAnimation(keyPath: "position")// 設定關鍵幀let value0 = NSValue(CGPoint: layer.position)let value1 = NSValue(CGPoint: CGPointMake(layer.position.x, layer.position.y + 200))let value2 = NSValue(CGPoint: CGPointMake(layer.position.x - 150, layer.position.y + 200))let value3 = NSValue(CGPoint: CGPointMake(layer.position.x - 150, layer.position.y))let value4 = NSValue(CGPoint: layer.position)// 速度曲線let tf0 = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)let tf1 = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)let tf2 = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseIn)let tf3 = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)keyAnimate.timingFunctions = [tf0, tf1, tf2, tf3]// 每段執行的時間keyAnimate.keyTimes = [0.0, 0.5, 0.6, 0.7, 1]//keyAnimate.values = [value0, value1, value2, value3, value4]keyAnimate.autoreverses = falsekeyAnimate.repeatCount = 3keyAnimate.duration = 6.0//keyAnimate.delegate = self//layer.addAnimation(keyAnimate, forKey: "position")
// 代理方法override func animationDidStart(anim: CAAnimation) { print("開始")}override func animationDidStop(anim: CAAnimation, finished flag: Bool) { print("結束")}
let view3 = UILabel(frame: CGRectMake(10.0, (currentView.frame.origin.y + currentView.frame.size.height + 10.0), 60.0, 60.0))self.view.addSubview(view3)view3.text = "抖動"view3.backgroundColor = UIColor.lightGrayColor()//let layer3 = view3.layer// 抖動let animation3 = CAKeyframeAnimation()animation3.keyPath = "transform.rotation"http:// (-M_PI_4 /90.0 * 5)表示-5度 。let value31 = NSValue(CGPoint: CGPointMake(CGFloat(-M_PI_4 / 90.0 * 5.0), 0.0))let value32 = NSValue(CGPoint: CGPointMake(CGFloat(M_PI_4 / 90.0 * 5.0), 0.0))let value33 = NSValue(CGPoint: CGPointMake(CGFloat(-M_PI_4 / 90.0 * 5.0), 0.0))animation3.values = [value31, value32, value33];animation3.removedOnCompletion = falseanimation3.fillMode = kCAFillModeForwardsanimation3.duration = 0.2animation3.repeatCount = MAXFLOAT//layer3.addAnimation(animation3, forKey: nil)
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