[iOS] UIView에서 상위 UIVewController 가져오기

UIView에서 상위 UIVewController를 가져오기

@interface UIView (GetViewController)

- (UIViewController *)viewController;

@end

@implementation UIView (GetViewController)

- (UIViewController *)viewController;

{

id nextResponder = [self nextResponder];

if (nextResponder == nil) {

return nil;

}

NSLog(@"%s", object_getClassName(nextResponder));

if ([nextResponder isKindOfClass:[UIViewController class]]) {

return nextResponder;

} else {

return [nextResponder viewController];

}

}

- (UIViewController*)getViewController {

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

}