I have 2 custom UIViews that i'm adding to my UIViewController and then aligning them using NSLayoutConstraint. After I apply the NSLayoutConstraint on the UIViewController view then UIButtons in the custom UIViews no longer receive touch events.I have 2 custom UIViews that i'm adding to my U
阅读背景：
在子视图中的UIButton在NSLayoutConstraint之后不接受触摸
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