UNRECOGNIZED SELECTOR SENT TO IN

UNRECOGNIZED SELECTOR SENT TO INSTANCE 问题快速定位的方法

开发中常见的一类崩溃错误是遇到：unrecognized selector sent to instance 0xaxxxx…而backtrace又无法明确说明错误在哪行代码，如何快速定位BUG呢？

• 在xcode中导航栏Debug菜单中选择 Breakpoints -> Create Symbolic Breakpoint

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-[NSObject(NSObject) doesNotRecognizeSelector:]