左上角的ConstraintLayout视图 [英] ConstraintLayout views in top left corner

问题描述

每次我在ConstraintLayout中创建诸如Button和TextView的视图时，它们都会卡在顶部角落，而不是我放置在它们的位置.

Every time I create views like Button and TextView in ConstraintLayout, they all get stuck at the top corner instead of where I placed them.

我尝试创建新活动并更改模拟器，但结果仍然相同.

I tried to create new activities and change the emulator, but the result is still the same.

这是正在发生的事情的屏幕截图:

This is a screenshot of what's happening:

可能是什么问题?

推荐答案

如约束布局指南:

如果在设备上运行布局时视图没有约束，则将其绘制在位置[0,0](左上角).

If a view has no constraints when you run your layout on a device, it is drawn at position [0,0] (the top-left corner).

您必须为视图添加至少一个水平约束和一个垂直约束.

You must add at least one horizontal and one vertical constraint for the view.

我想您还没有应用任何约束.

I guess you haven't applied any constraints.

要么手动将约束应用于视图，要么让布局编辑器使用推断约束" 按钮为您完成约束:

Either manually apply constraints to the view, or let the layout editor do it for you using "Infer constraints" button:

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