如何将 'Constraint Layout View' 更改为 'Relative Layout View'

Question

我正在尝试在 android stdio 中从约束布局视图更改为相对布局视图。

我尝试将模板文件从@ROOTTAG 更改和编辑为相对布局，但似乎没有任何改变

<android.support.constraint.RelativeLayout 
xmlns:androclass="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />

</RelativeLayout>

Answer 1

<?xml version="1.0" encoding="utf-8"?>    
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:androclass="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />

</RelativeLayout>

如何将 'Constraint Layout View' 更改为 'Relative Layout View'

How to Change 'Constraint Layout View' to 'Relative Layout View'

android

android-relativelayout