Android梅花布局

package top.gaojc.myplumblossom;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    tools:context=".MainActivity">

    <!-- 中间的-->
    <ImageView
        android:id="@+id/center"
        android:layout_width="200dp"
        android:layout_height="80dp"
        android:src="@drawable/three"
        android:layout_centerInParent="true"/>

    <!-- 上边-->
    <ImageView
        android:layout_width="80dp"
        android:layout_height="200dp"
        android:src="@drawable/one"
        android:layout_above="@id/center"
        android:layout_centerHorizontal="true"/>

    <!-- 左边-->
    <ImageView
        android:layout_width="80dp"
        android:layout_height="200dp"
        android:src="@drawable/two"
        android:layout_toLeftOf="@id/center"
        android:layout_centerVertical="true"/>

    <!-- 右边-->
    <ImageView
        android:layout_width="80dp"
        android:layout_height="200dp"
        android:src="@drawable/four"
        android:layout_toRightOf="@id/center"
        android:layout_centerVertical="true"/>

    <!-- 下边-->
    <ImageView
        android:layout_width="80dp"
        android:layout_height="200dp"
        android:src="@drawable/five"
        android:layout_below="@id/center"
        android:layout_centerHorizontal="true"/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="top.gaojc.myplumblossom">

    <application
        android:allowBackup="true"
        android:icon="@drawable/four"
        android:label="@string/app_name"
        android:roundIcon="@drawable/four"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>