swift uiview彈齣動畫

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 UIView.animateWithDuration(0.5, delay: 0.0, usingSpringWithDamping: 0.3, initialSpringVelocity: 0.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { () -> Void in

//在這裡面處理你的空間frame

            self.pressGoodsBtn.frame = CGRect(x: (SCREEN_WIDTH-200)/3, y: SCREEN_HEIGH-55-100-15, width: 100, height: 100)

            self.pressCouponBtn.frame = CGRect(x: ((SCREEN_WIDTH-200)/3)*2+100, y: SCREEN_HEIGH-55-100-15, width: 100, height: 100) 

            }) { (_) -> Void in

//這是動畫執行完後執行的的地方。若要想在動畫執行完再執行什麼可以在這裡操作。

        }

http://www.renfei.org/blog/ios-8-spring-animation.html 這裡面對各個參數說的很詳細可供參考 

swift uiview彈齣動畫

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