Get view controller of a view

gistfile1.m

UIViewController *viewController;
for (UIView* next = [self superview]; next; next = next.superview) {
    UIResponder* nextResponder = [next nextResponder];
            
    if ([nextResponder isKindOfClass:[UIViewController class]]) {
        viewController = (UIViewController*)nextResponder;
    }
}
return viewController;