iOS Auto布局约束在加载视图后跳跃 [英] iOS Auto Layout Constraint's Jumping After View Has Loaded

问题描述

制作了一个简短的视频演示此问题： https://vid.me/9kB5

Made a quick video demonstrating the issue here: https://vid.me/9kB5

当我删除约束时，文本不会在加载视图时跳转。

When I remove the constraints the text does not jump upon loading the view. But then it defeats the purpose.

当我设置约束时，我使用重置到建议的约束

When I setup the constraints I used "Reset to Suggested Constraints"

任何想法？

推荐答案

这不是一个约束问题。您的视图正在导航栏下。您可以通过在页面视图控制器场景中取消选中扩展边缘 - 在顶部栏下来修复它。
在代码

This is not a constraint issue. Your view is going under the navigation bar. You can fix it in storyboard by unchecking "Extend Edges - Under Top Bar" in Page View Controller scene. In code

- (void)viewDidLoad {
   [super viewDidLoad];
   self.edgesForExtendedLayout = UIRectEdgeNone;
}

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