问题描述
我正在编写一些代码并尝试模拟硬币动画,该动画上升然后像添加的图像一样进入卡片开口。任何帮助将不胜感激
请检查参考图片并帮助我。
Coin comes like this from the behind on view
And then goes into the opening animatically.
UIView.animateKeyframes(withDuration: 5,delay: 0,options: .calculationModeCubic,animations: {
UIView.addKeyframe(withRelativeStartTime: 0.0,relativeDuration: 0.35) {
self.viewCoin.layer.transform = CATransform3DMakeTranslation(0,-130,-1)
}
UIView.addKeyframe(withRelativeStartTime: 0.35,relativeDuration: 0.35) {
self.lblCoinIn.alpha = 1
self.viewCoin.layer.transform = CATransform3DMakeTranslation(0,-30,1)
self.coinViewHeight.constant = 44
}
UIView.addKeyframe(withRelativeStartTime: 0.60,relativeDuration: 0.10) {
self.coinViewHeight.constant = 0
self.viewCoin.alpha = 0
dispatchQueue.main.asyncAfter(deadline: .Now() + 3.3) {
self.lblCoinIn.alpha = 0
self.viewbrokerage.alpha = 1
self.updateRemainingBalance()
}
}
})
但是动画一开始,高度布局约束就会改变。我希望它与框架一起以动画方式发生。
解决方法
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