<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 
  xmlns:android="http://schemas.android.com/apk/res/android" 
  android:orientation="vertical" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" > 
  
	<com.google.android.maps.MapView
		 android:layout_width="fill_parent"
		 android:layout_height="fill_parent"
		 android:enabled="true"
		 android:clickable="true"
		 android:apiKey="<your api key>"
		 android:id="@+id/mapView"/>
		 
	<LinearLayout android:id="@+id/zoom"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_centerHorizontal="true"/> 
</RelativeLayout>  