//
//  UIViewController+Swizzling.m
//  IfishTests
//
//  Created by JiangXuefei on 2019/3/13.
//  Copyright © 2019年 lianlian. All rights reserved.
//

#import "UIViewController+Swizzling.h"
#import <objc/runtime.h>

@implementation UIViewController (Swizzling)

+ (void)load
{
#ifdef DEBUG
    Method viewWillAppear = class_getInstanceMethod(self, @selector(viewWillAppear:));
    Method logViewWillAppear = class_getInstanceMethod(self, @selector(logViewWillAppear:));
    method_exchangeImplementations(viewWillAppear, logViewWillAppear);
#endif
}

- (void)logViewWillAppear:(BOOL)animated
{
    NSLog(@"========>%@ will appear",NSStringFromClass([self class]));
    [self logViewWillAppear:animated];
}

@end