ScrollView 中的视图不遵守约束 [英] Views in ScrollView doesn't respect constraints

问题描述

我向我的视图控制器添加了一个 ScrollView.然后，我在内部元素和滚动视图本身之间创建了约束，但我不明白为什么我的 yellow 视图没有采用全宽.

I added a ScrollView to my View Controller. Then, I created constraints between my inner elements and the scroll view itself, but I don't understand why my yellow view for example is not taking the full width.

这是我的视图和约束的屏幕截图:

Here is the screenshot of my view and constraints:

有时我会明白，为什么?

And sometimes I get this, why?

当我不使用滚动视图时，一切正常.

When I don't use Scroll View, all works perfectly.

推荐答案

控制从mapView拖拽到外层主View并选择Equal-Widths

Control drag from the mapView to the outer main View and select Equal-Widths

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