- (UIViewController*)getViewController;

gistfile1.txt

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