我有两个单独的navigationcontrollers,一个与RootViewControllerA,另一个与RootViewControllerB.
navigationcontrollers
RootViewController
我能够将ViewControllerC 推到A或B的导航堆栈上.
ViewController
问题:当我在ViewControllerC中时,如何知道我是否在属于A或B的堆栈中？
objective-c uiviewcontroller uinavigationcontroller ios
ios ×1
objective-c ×1
uinavigationcontroller ×1
uiviewcontroller ×1