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iOS基础补完计划--透过堆栈看事件响应机制

 5 years ago
source link: http://www.cocoachina.com/ios/20181126/25590.html
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众所周知、手势识别器的权限比响应链更高。而UIControl的响应机制不涉及响应链、由UIAPPlication直接分发。于是、会出现一些冲突的问题。

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