Question

我升级到新发布的Xcode 8，这个

let mediumInterval: TimeInterval = 0.6
UIView.animate(withDuration: mediumInterval) {
  print("test")
}

给了我错误Ambiguous use of 'animate(withDuration:delay:options:animations:)'我真的看不出这里有什么含糊之处... animate中声明的所有UIView函数都是

open class func animate(withDuration duration: TimeInterval, delay: TimeInterval, options: UIViewAnimationOptions = [], animations: @escaping () -> Swift.Void, completion: (@escaping (Bool) -> Swift.Void)? = nil)

open class func animate(withDuration duration: TimeInterval, animations: @escaping () -> Swift.Void, completion: (@escaping (Bool) -> Swift.Void)? = nil)

open class func animate(withDuration duration: TimeInterval, animations: @escaping () -> Swift.Void)

open class func animate(withDuration duration: TimeInterval, delay: TimeInterval, usingSpringWithDamping dampingRatio: CGFloat, initialSpringVelocity velocity: CGFloat, options: UIViewAnimationOptions = [], animations: @escaping () -> Swift.Void, completion: (@escaping (Bool) -> Swift.Void)? = nil)

===解决方法让xcode编译===

UIView.animate(withDuration: mediumInterval, animation: {
  print("test")
}, completion: nil)

将编译，

UIView.animate(withDuration: mediumInterval, animation: {
  print("test")
})

将像以前一样失败。我仍然没有得到正在发生的事情......

Answer 1

我有同样的错误，因为我忘了添加一个＆＃34; s＆＃34;到＆＃34;动画＆＃34;。也许吧：

UIView.animate(withDuration: mediumInterval, animation: {
  print("test")
})

因为这个原因而不能编译。

Answer 2

看起来我一直在使用的PromiseKit有一个UIView的扩展，它定义了一个有冲突的动画版本（https://github.com/PromiseKit/UIKit/blob/master/Sources/UIView%2BPromise.swift）

XCode无法向我展示两个冲突版本的来源，所以我花了一段时间来抓住它。我已经报告了这个问题。

模仿使用'animate（withDuration：delay：options：animations :)'

2 个答案: