How to find topmost view controller on iOS

Question

I\'ve run into a couple of cases now where it would be convenient to be able to find the \"topmost\" view controller (the one responsible for the current view), but haven\'t

Answer 1

@implementation UIWindow (Extensions)

- (UIViewController*) topMostController
{
    UIViewController *topController = [self rootViewController];

    while (topController.presentedViewController) {
        topController = topController.presentedViewController;
    }

    return topController;
}

@end