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一种基于KVO的页面加载，渲染耗时监控方法 | Hexo
source link: http://satanwoo.github.io/2017/11/27/KVO-Swizzle/?
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打广告：有兴趣加入阿里巴巴手淘基础架构平台移动高可用团队的请微博联系我@盗版五子棋和同事zb一起维护了一个ARM64的专栏iOS调试进阶，有兴趣的可以读读在介绍本文之前，请先允许我提出一个问题，如果你要无痕监控任意一个页面（UIViewController及其子类）的加载或者渲染时间，你会怎么做。很多人都会想到说用AOP啊，利用Method Swizzling来进行方法替换从而获得方法调用
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