iOS 获取窗口中当前视图根控制器与导航控制器
- (UIViewController *)currentViewController
{
UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;
UIViewController *vc = keyWindow.rootViewController;
while (vc.presentedViewController)
{
vc = vc.presentedViewController;
if ([vc isKindOfClass:[UINavigationController class]])
{
vc = [(UINavigationController *)vc visibleViewController];
}
else if ([vc isKindOfClass:[UITabBarController class]])
{
vc = [(UITabBarController *)vc selectedViewController];
}
}
return vc;
}
- (UINavigationController *)currentNavigationController
{
return [self currentViewController].navigationController;
}
//获取当前控制器
- (UIViewController*)viewController {
for (UIView* next = [self superview]; next; next = next.superview) {
UIResponder* nextResponder = [next nextResponder];
if ([nextResponder isKindOfClass:[UIViewController class]]) {
return (UIViewController*)nextResponder;
}
}
return nil;
}
