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method swizzling 黑魔法，有坑～ #2

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jcxc opened this issue Dec 15, 2016 · 1 comment

jcxc commented Dec 15, 2016

我在项目导入UIScrollView+HeaderScaleImage.h分类，但并未在任何地方调用。

在线上崩溃分析中发现大量如下日志

[_UIWebViewScrollView _systemGestureStateChanged:]

且都是在iOS8系统中。

经排查，确实是由该分类，删除后便无此bug。

我猜测，应该是Method Swizzling黑魔法过程中导致的，具体情况也不是很清楚～

elite-kai commented Jul 19, 2017

很大很大的坑呀，ios8的系统，随便点点都崩溃呀

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