<?xml version="1.0" encoding="utf-8"?>

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

	<Button 
	    android:layout_width="fill_parent"
	    android:layout_height="wrap_content"
	 	android:layout_weight="1.0" />
	
	<LinearLayout
	    xmlns:android="http://schemas.android.com/apk/res/android"

	    android:layout_width="fill_parent"
	    android:layout_height="fill_parent"
	
		android:orientation="vertical">

		<Button 
		    android:layout_width="fill_parent"
		    android:layout_height="wrap_content"
		 	android:layout_weight="1.0" />

	</LinearLayout>
	
	<LinearLayout
	    xmlns:android="http://schemas.android.com/apk/res/android"

	    android:layout_width="fill_parent"
	    android:layout_height="fill_parent"
	
		android:orientation="vertical">

		<Button 
		    android:layout_width="fill_parent"
		    android:layout_height="0dip"
		 	android:layout_weight="1.0" />

	</LinearLayout>

</LinearLayout>