ios - 如何找出不必要的约束constraints in following list is one you don't want

Question

Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that adde...

迷茫 · Answer

严格讲，上述提示并不是出错的约束，而是多余的约束，比如设置了上、下边距，同时又pin了高度，就会导致出现这样的问题。感觉你的问题应该是设置了UIView:0x166ea400高度为37，然后又设置它等于另一个UIView:0x16526700宽度的0.0894。这样就冗余了。
而排查的方法是，在storyboard中挨个找UIView，37是个很好的切入点，我是这样做的，很笨。

大家讲道理 · Answer

说你设置了一个View的高度等于另外一个view1的宽度，view1的宽度又等于view2的宽度，然后view2的宽度不是确定值，会引起冲突，这种应该是设置约束优先级的问题？

ios - 如何找出不必要的约束constraints in following list is one you don't want

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