UIView에서 상위에 있는 UIViewController 찾아오기

// 상위 뷰 중에 원하는 뷰컨트롤러 얻어오는 거임.
- (UIViewController*)getHomeViewController {
    for (UIView* next = [self.view superview]; next; next = next.superview) {
        UIResponder* nextResponder = [next nextResponder];
        if ([nextResponder isKindOfClass:[HoppinHomeViewController class]]) {
            return (UIViewController*)nextResponder;
        }
    }
    return nil;
}