<?xml version "1.0" encodidng="utf-8"?>
<LinearLayout xmlns:andoid="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:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="verical"
android:layout_weight="1" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button2" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00ff00"
android:gravity="center"
android:orientation="horizontal"
android:layout_weight="1" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button3" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button4" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#0000ff"
android:gravity="center"
android:orientation="vertical"
android:layout_weight="1" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button5" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button6" />
</LinearLayout>
</LinearLayout>