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  • 第二次安卓作业

    1.九宫格

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      
    android:layout_width="match_parent"
    android:layout_height="match_parent">
      
    <Button
    android:id="@+id/button1"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#673AB7"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button2"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#8BC34A"
    android:layout_toLeftOf="@id/button1"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button3"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#8BC34A"
    android:layout_toRightOf="@id/button1"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button4"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#2196F3"
    android:layout_above="@id/button1"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button5"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#9C27B0"
    android:layout_toLeftOf="@+id/button4"
    android:layout_above="@id/button2"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button6"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#9C27B0"
    android:layout_toRightOf="@+id/button4"
    android:layout_above="@id/button3"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button7"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#2196F3"
    android:layout_below="@id/button1"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button8"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#9C27B0"
    android:layout_below="@id/button2"
    android:layout_toLeftOf="@id/button7"
    android:layout_centerInParent="true"
    android:text=""
    />
    <Button
    android:id="@+id/button9"
    android:layout_width="100dp"
    android:layout_height="100dp"
    android:background="#9C27B0"
    android:layout_toRightOf="@+id/button4"
    android:layout_below="@id/button3"
    android:layout_centerInParent="true"
    android:text=""
    />
      
      
    </RelativeLayout>

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  • 原文地址:https://www.cnblogs.com/zxp-0101/p/13713977.html
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