Android線性佈局之國旗繪製2

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >
    
    <Button 
        android:id="@+id/fgbt1"
        android:layout_height="match_parent"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:background="#0000ff"
        />
    <Button 
        android:id="@+id/fgbt2"
        android:layout_height="match_parent"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:background="#ffffff"
        />
    <Button 
        android:id="@+id/fgbt3"
        android:layout_height="match_parent"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:background="#ff0000"
        />

</LinearLayout>