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Swizzled -[UIView addSubvew:]
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| + (void)loadSwizzle { | |
| static dispatch_once_t onceToken; | |
| dispatch_once(&onceToken, ^{ | |
| Class class = [self class]; | |
| // When swizzling a class method, use the following: | |
| // Class class = object_getClass((id)self); | |
| SEL originalSelector = @selector(addSubview:); | |
| SEL swizzledSelector = @selector(my_addSubview:); | |
| Method originalMethod = class_getInstanceMethod(class, originalSelector); | |
| Method swizzledMethod = class_getInstanceMethod(class, swizzledSelector); | |
| BOOL didAddMethod = | |
| class_addMethod(class, | |
| originalSelector, | |
| method_getImplementation(swizzledMethod), | |
| method_getTypeEncoding(swizzledMethod)); | |
| if (didAddMethod) { | |
| class_replaceMethod(class, | |
| swizzledSelector, | |
| method_getImplementation(originalMethod), | |
| method_getTypeEncoding(originalMethod)); | |
| } else { | |
| method_exchangeImplementations(originalMethod, swizzledMethod); | |
| } | |
| }); | |
| } | |
| - (void)my_addSubview:(UIView *)view { | |
| [self my_addSubview:view]; | |
| // For me normal state is 2 subviews on root view | |
| if ([UIApplication sharedApplication].delegate.window.rootViewController.view.subviews.count > 2) { | |
| [Log addMessage:@"%s -> %@",__PRETTY_FUNCTION__, [NSThread callStackSymbols]]; | |
| [Log addMessage:@"Count of subviews: %d",[UIApplication sharedApplication].delegate.window.rootViewController.view.subviews.count]; | |
| } | |
| } |
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