自动布局-StackView删除现有约束
[英]Auto-layout - StackView deleting existing constraints
问题描述
I'm hardly learning to implement some iOS app screens in xCode Interface Builder with auto-layout. 
我几乎不了解如何使用自动布局在xCode Interface Builder中实现一些iOS应用程序屏幕。
I've already placed some elements with working constraints but I realize it would be more practical to group them into a vertical StackView . 我已经放置了一些具有工作约束的元素，但是我意识到将它们分组为垂直StackView会更实际。
At first it seems pretty easy as I did it for a previous screen. 最初，这看起来很简单，就像我在上一个屏幕中所做的一样。 However, once I embed my elements in the StackView, all my margins constraints are gone ! 但是，一旦将元素嵌入StackView中，我所有的边距约束都消失了！ Also, if I try to manually put back my constraints, they don't work at all and generate ambiguity. 另外，如果我尝试手动放回约束，它们将完全无效并产生歧义。
I don't fully understand the way iOS UI builder works, so I'd gladly need some help. 我不完全了解iOS UI构建器的工作方式，因此很高兴需要一些帮助。
See screenshots below. 请参见下面的屏幕截图。
1 个解决方案
解决方案1
0 已采纳 2017-05-18 20:17:59
Constraints inside stack views can be quirky, but playing around with / experimenting with the characteristics can help. 堆栈视图中的约束可能很古怪，但是尝试/试验特性可以有所帮助。
In particular, adjusting Alignment , Distribution , and Spacing can often do the trick. 特别是，调整Alignment ， Distribution和Spacing通常可以解决问题。
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