IOS - Touch alert for all UIViews to help finding which part of the screen user touched

UIView+TouchAlert.h

@import UIKit;

@interface UIView (TouchAlert)
@end

UIView+TouchAlert.m

// Base on Marc's article here:
// http://darkdust.net/writings/objective-c/method-swizzling

#import "UIView+TouchAlert.h"
#import <objc/runtime.h>

@implementation UIView (TouchAlert)

- (id)swizzled_initWithFrame:(CGRect)frame
{
    id result = [self swizzled_initWithFrame:frame];

    // Safe guard: do we have an UIView (or something that has a layer)?
    if ([result respondsToSelector:@selector(layer)]) {
        UITapGestureRecognizer *allViewTouch =
                [[UITapGestureRecognizer alloc] initWithTarget:self
                                                        action:@selector(allTouchsAlert:)];
        allViewTouch.cancelsTouchesInView = NO;
        [self addGestureRecognizer:allViewTouch];
    }

    // Return the modified view.
    return result;
}

- (id)swizzled_initWithCoder:(NSCoder *)aDecoder
{
    id result = [self swizzled_initWithCoder:aDecoder];

    // Safe guard: do we have an UIView (or something that has a layer)?
    if ([result respondsToSelector:@selector(layer)]) {
        UITapGestureRecognizer *allViewTouch =
                [[UITapGestureRecognizer alloc] initWithTarget:self
                                                        action:@selector(allTouchsAlert:)];
        allViewTouch.cancelsTouchesInView = NO;
        [self addGestureRecognizer:allViewTouch];
    }

    // Return the modified view.
    return result;
}

- (void)allTouchsAlert:(UITapGestureRecognizer *)recognizer {
    NSLog(@"Touch in view: %@", NSStringFromClass([self class]));

    for (UIView* next = self; next; next = next.superview)
    {
        UIResponder* nextResponder = [next nextResponder];

        if ([nextResponder isKindOfClass:[UIViewController class]])
        {
            NSLog(@"Parent VC: %@", nextResponder);
            break;
        }
    }

}

+ (void)load
{
    // The "+ load" method is called once, very early in the application life-cycle.
    // It's called even before the "main" function is called. Beware: there's no
    // autorelease pool at this point, so avoid Objective-C calls.
    Method original, swizzle;

    // Get the "- (id)initWithFrame:" method.
    original = class_getInstanceMethod(self, @selector(initWithFrame:));
    // Get the "- (id)swizzled_initWithFrame:" method.
    swizzle = class_getInstanceMethod(self, @selector(swizzled_initWithFrame:));
    // Swap their implementations.
    method_exchangeImplementations(original, swizzle);

    // Get the "- (id)initWithCoder:" method.
    original = class_getInstanceMethod(self, @selector(initWithCoder:));
    // Get the "- (id)swizzled_initWithCoder:" method.
    swizzle = class_getInstanceMethod(self, @selector(swizzled_initWithCoder:));
    // Swap their implementations.
    method_exchangeImplementations(original, swizzle);
}

@end