在友盟官网可以看到相应的步骤，申请appkey，导入SDK，然后在AppDelegate里面写入相应的代码，下面就是关键的代码：

实现页面的统计需要在每个UIViewController中配对调用如下方法：

? 1 2 3 4 5 6 7 8 9 10 - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [MobClick beginLogPageView:@"PageOne"];//("PageOne"为页面名称，可自定义) } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; [MobClick endLogPageView:@"PageOne"]; }

几年之前做过这个，那时候才刚开始做iOS，就按照这个文档在每一个UIViewController里面写了这个方法，现在看来真是太low了。

这次又做这个友盟统计，就想起来用runtime解决这个问题。

在工程中创建一个UIViewController的Category，然后通过Runtime动态添加两个方法，分别替代viewWillAppear和viewWillDisappear方法。这样就不需要在每一个 UIViewController写这段代码了。

新建一个分类：

UIViewController+Statistics.h

? 1 2 3 4 5 6 7 8 9 10 11 12 13 // // UIViewController+Statistics.h // TongYuanHospital // // Created by ZSP on 2017/6/16. // Copyright © 2017年 ZSP. All rights reserved. // #import <UIKit/UIKit.h> @interface UIViewController (Statistics) @end

UIViewController+Statistics.m

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 // // UIViewController+Statistics.m // TongYuanHospital // // Created by ZSP on 2017/6/16. // Copyright © 2017年 ZSP. All rights reserved. // #import "UIViewController+Statistics.h" @implementation UIViewController (Statistics) + (void)load { //原本的viewWillApper方法 Method viewWillAppear = class_getInstanceMethod(self, @selector(viewWillAppear:)); //需要替换成能够输入日志的viewWillAppear Method logViewWillAppear = class_getInstanceMethod(self, @selector(logViewWillAppear:)); //原本的viewWillDisappear方法 Method viewWillDisappear = class_getInstanceMethod(self, @selector(viewWillDisappear:)); //需要替换成能够输入日志的viewWillDisappear Method logviewWillDisappear = class_getInstanceMethod(self, @selector(logviewWillDisappear:)); //两方法进行交换 method_exchangeImplementations(viewWillAppear, logViewWillAppear); method_exchangeImplementations(viewWillDisappear, logviewWillDisappear); } -(void)logViewWillAppear:(BOOL)animated { [self logViewWillAppear:animated]; NSString *selfClass = NSStringFromClass([self class]); [MobClick beginLogPageView:selfClass]; //当然这里也可以使用self.title作为页面的名称，这样在友盟后台查看的时候更加方便些 //[MobClick endLogPageView:self.title]; } -(void)logviewWillDisappear:(BOOL)animated { [self logviewWillDisappear:animated]; NSString *selfClass = NSStringFromClass([self class]); [MobClick endLogPageView:selfClass]; } @end

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原文链接：http://www.jianshu.com/p/3bc36c5eb82e?utm_source=tuicool&utm_medium=referral