ios - 方法 swizzle 的 Swift 3 迁移后缺少 ',' 分隔符

Question

我在将以下代码转换为 Swift 3 语法时遇到问题:

extension UIView {


    override public static func initialize() {
        if !didEAInitialize {
            replaceAnimationMethods()
            didEAInitialize = true
        }
    }

    private static func replaceAnimationMethods() {
        //replace actionForLayer...
        method_exchangeImplementations(
            class_getInstanceMethod(self, #selector(UIView.actionForLayer(_:forKey:))),
            class_getInstanceMethod(self, #selector(UIView.EA_actionForLayer(_:forKey:))))

        //replace animateWithDuration...
        method_exchangeImplementations(
           class_getClassMethod(self, #selector(UIView.animate(withDuration:animations:)(_:animations:))),
           class_getClassMethod(self, #selector(UIView.EA_animateWithDuration(_:animations:))))
        method_exchangeImplementations(
           class_getClassMethod(self, #selector(UIView.animate(withDuration:animations:completion:)(_:animations:completion:))),
           class_getClassMethod(self, #selector(UIView.EA_animateWithDuration(_:animations:completion:))))
        method_exchangeImplementations(
           class_getClassMethod(self, #selector(UIView.animate(withDuration:delay:options:animations:completion:)(_:delay:options:animations:completion:))),
           class_getClassMethod(self, #selector(UIView.EA_animateWithDuration(_:delay:options:animations:completion:))))
        method_exchangeImplementations(
           class_getClassMethod(self, #selector(UIView.animate(withDuration:delay:usingSpringWithDamping:initialSpringVelocity:options:animations:completion:)(_:delay:usingSpringWithDamping:initialSpringVelocity:options:animations:completion:))),
           class_getClassMethod(self, #selector(UIView.EA_animateWithDuration(_:delay:usingSpringWithDamping:initialSpringVelocity:options:animations:completion:))))

    }

}

以上代码是运行迁移工具后的代码。例如我原来有:

method_exchangeImplementations(
            class_getClassMethod(self, #selector(UIView.animateWithDuration(_:animations:))),
            class_getClassMethod(self, #selector(UIView.EA_animateWithDuration(_:animations:))))

但现在在第二行我得到错误 Expected ',' separator for class_getClassMethod(self, #selector(UIView.animate(withDuration:animations:)(_:animations: )))。我在这里做错了什么？

Answer 1

迁移工具并不总是完美的。只需让第一行看起来像第二行，但没有 EA_ 前缀。改变

class_getClassMethod(self, #selector(UIView.animate(withDuration:animations:)(_:animations:))),

到

class_getClassMethod(self, #selector(UIView.animate(withDuration:animations:))),

等等……