Question

如何从uiview里面，获取其上层的uiviewcontroller

Answer 1

elf.navigationcontroller pushviewcontroller推入一个新的viewcontroller，需要获取其上层的uiviewcontroller，找到如下的代码 id object = [selfnextResponder]; while (![object isKindOfClass:[UIViewControllerclass]] && object != nil) { object = [object nextResponder]; } UIViewController *uc=(UIViewController*)object;