In Objective-C, what is the best way of getting a reference to the current UINavigationController? I would like to gain access to it from any class that may not have a reference to a UIController, delegate, or anything else.In Objective-C, what is the best way of getting
阅读背景：
如何获取当前UINavigationController的引用？
来源：互联网
分享到：
