FrameLayout included...

<?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android">
    <cc.openframeworks.OFGLSurfaceView android:id="@+id/of_gl_surface"
 		android:layout_width="fill_parent"
 		android:layout_height="fill_parent"/>
    	<!-- add here other views' layouts -->

    	    <FrameLayout android:id="@+id/frameLayout1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="65dp" >
    </FrameLayout>
    </RelativeLayout>