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这是一个创建于 3325 天前的主题，其中的信息可能已经有所发展或是发生改变。
当 UITextField 单独存在时，以下代码可以晃动
let animation = CAKeyframeAnimation()
animation.keyPath = "position.x"
animation.values = [0, 10, -10, 10, 0]
animation.keyTimes = [0, 1/6.0, 3/6.0, 5/6.0, 1]
animation.duration = 0.4
animation.additive = true
textField.layer.addAnimation(animation, forKey: "shake")
然而当 UITextField 内嵌在一个 UIAlertController 中时就不起作用了，请问如何解决
目前尚无回复
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