Xamarin.Android项目使用ConstraintLayout约束布局

Xamarin.AndroidX.ConstraintLayout

Xamarin.Android.Support.Constraint.Layout

Xamarin.AndroidX.ConstraintLayout.Solver

Xamarin.AndroidX.DataBinding.ViewBinding

Xamarin.AndroidX.Legacy.Support.Core.UI

Xamarin.AndroidX.Lifecycle.LiveData

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Xamarin.Android.Support.Constraint.Layout

Xamarin.AndroidX.Legacy.Support.Core.UI

Xamarin.AndroidX.ConstraintLayout.Solver

Xamarin.AndroidX.Lifecycle.LiveData

Xamarin.AndroidX.DataBinding.ViewBinding

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent">

</androidx.constraintlayout.widget.ConstraintLayout>

https://www.c-sharpcorner.com/article/how-to-use-constraint-layout-in-xamarin-android/