<FrameLayout   
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_height="fill_parent"
    android:layout_width="fill_parent"> 	
 
    <com.google.android.maps.MapView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/mapview"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_above="@+id/rel_bottom" 
    android:clickable="true"
    android:apiKey="0MbHOPzIVkD_3cwrWUgclDJka7kXKCb13V2iJGA"/>
      

    <LinearLayout
        android:id="@+id/rel_bottom"
        android:layout_width="fill_parent"
        android:layout_alignParentBottom="true"
        android:layout_height="30dp"
        android:gravity="bottom">>

                     <Button android:text="Cancel" 
                       android:layout_height="wrap_content" 
                       android:layout_width="wrap_content"
                       android:layout_weight="1" ></Button>
                       
                       <Button android:text="Confirm" 
                       android:layout_height="wrap_content" 
                       android:layout_width="wrap_content"
                       android:layout_weight="1"  ></Button>
                       
    </LinearLayout>
    
                
      

</FrameLayout >