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    <Button
            android:id="@+id/butten1"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_centerInParent="true"
            android:background="#000000" />
        <Button
            android:id="@+id/butten2"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_toLeftOf="@+id/butten1"
            android:layout_centerVertical="true" 
            android:background="#0000FF" />
       
          <Button
            android:id="@+id/butten3"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_toRightOf="@+id/butten1"
            android:layout_centerVertical="true" 
            android:background="#0000FF" />
      <Button
            android:id="@+id/butten4"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_above="@+id/butten1"
            android:layout_centerHorizontal="true"
            android:background="#0000FF" />
      <Button
            android:id="@+id/butten5"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_below="@+id/butten1"
            android:layout_centerHorizontal="true"
            android:background="#0000FF" />
      <Button
            android:id="@+id/butten6"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_toLeftOf="@+id/butten4"
           android:layout_above="@+id/butten2"
            android:background="#FF00FF" />
      <Button
            android:id="@+id/butten7"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_toRightOf="@+id/butten4"
           android:layout_above="@+id/butten3"
            android:background="#FF00FF" />
      <Button
            android:id="@+id/butten8"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_toRightOf="@+id/butten5"
           android:layout_below="@+id/butten3"
            android:background="#FF00FF" />
      <Button
            android:id="@+id/butten9"
            android:layout_width="80dp"
            android:layout_height="80dp"
           android:layout_toLeftOf="@+id/butten5"
           android:layout_below="@+id/butten2"
            android:background="#FF00FF" />
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  • 原文地址:https://www.cnblogs.com/Mfb-/p/13712318.html
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