1<?xml version="1.0" encoding="utf-8"?> 2 3<LinearLayout 4 xmlns:android="http://schemas.android.com/apk/res/android" 5 6 android:layout_width="match_parent" 7 android:layout_height="match_parent"> 8 9 <Button 10 android:layout_width="match_parent" 11 android:layout_height="wrap_content" 12 android:layout_weight="1.0" /> 13 14 <LinearLayout 15 xmlns:android="http://schemas.android.com/apk/res/android" 16 17 android:layout_width="match_parent" 18 android:layout_height="match_parent" 19 20 android:orientation="vertical"> 21 22 <Button 23 android:layout_width="match_parent" 24 android:layout_height="wrap_content" 25 android:layout_weight="1.0" /> 26 27 </LinearLayout> 28 29 <LinearLayout 30 xmlns:android="http://schemas.android.com/apk/res/android" 31 32 android:layout_width="match_parent" 33 android:layout_height="match_parent" 34 35 android:orientation="vertical"> 36 37 <Button 38 android:layout_width="match_parent" 39 android:layout_height="0dip" 40 android:layout_weight="1.0" /> 41 42 </LinearLayout> 43 44</LinearLayout>