<RelativeLayout
xmlns:android="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:background="#00ffff"
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="com.example.ask.YainActivity" >
<Button
android:id="@+id/min_1"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_centerInParent="true"
android:background="#000000"/>
<Button
android:id="@+id/min_2"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_alignBottom="@+id/min_1"
android:layout_toLeftOf="@+id/min_1"
android:background="#006600"/>
<Button
android:id="@+id/min_3"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_centerVertical="true"
android:layout_toRightOf="@+id/min_1"
android:background="#0000cd"/>
<Button
android:id="@+id/min_4"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_above="@+id/min_1"
android:layout_alignLeft="@+id/min_1"
android:background="#FF1493"/>
<Button
android:id="@+id/min_5"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_above="@+id/min_2"
android:layout_alignLeft="@+id/min_2"
android:background="#FFFFFF"/>
<Button
android:id="@+id/min_6"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_above="@+id/min_3"
android:layout_alignLeft="@+id/min_3"
android:background="#ffff00"/>
<Button
android:id="@+id/min_7"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_below="@+id/min_1"
android:layout_toLeftOf="@+id/min_1"
android:background="#ff0000"/>
<Button
android:id="@+id/min_8"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_below="@+id/min_1"
android:layout_toRightOf="@+id/min_1"
android:background="#00FF00"/>
<Button
android:id="@+id/min_8"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_below="@+id/min_1"
android:layout_alignLeft="@+id/min_1"
android:background="#3366FF"/>
</RelativeLayout>
![](https://img2018.cnblogs.com/blog/1784710/201909/1784710-20190903183816703-96646822.png)