Android约束布局ConstraintLayout

时间:2022-05-28 04:35:08

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/text1"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:background="@android:color/holo_red_light"
        android:text="1"
        android:textSize="20dp"
        app:layout_constraintLeft_toLeftOf="parent" />

    <TextView
        android:id="@+id/text2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@android:color/holo_blue_light"
        android:text="2"
        android:textSize="20dp"
        app:layout_constraintLeft_toRightOf="@+id/text1" />

    <TextView
        android:id="@+id/text3"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:background="@android:color/holo_green_light"
        android:text="3"
        android:textSize="20dp"
        app:layout_constraintTop_toBottomOf="@+id/text1" />

    <TextView
        android:id="@+id/text4"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:background="@android:color/holo_orange_light"
        android:text="4"
        android:textSize="20dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@android:color/darker_gray"
        android:src="@mipmap/ic_launcher"
        app:layout_constraintBottom_toTopOf="@id/text4"
        app:layout_constraintLeft_toRightOf="@id/text2" />
</android.support.constraint.ConstraintLayout>


运行结果:

Android约束布局ConstraintLayout