android:layout_width="match_parent"
android:layout_height="match_parent">
<include layout="@layout/gl_root_group"/>
+ <FrameLayout android:id="@+id/header"
+ android:visibility="gone"
+ android:layout_alignParentTop="true"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"/>
<FrameLayout android:id="@+id/footer"
android:visibility="gone"
android:layout_alignParentBottom="true"