examples/android/CHIPTool/app/src/main/res/layout/barcode_activity.xml - third_party/github/project-chip/connectedhomeip - Git at Google

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

     <FrameLayout
         android:id="@+id/fragment_container"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 </LinearLayout>
	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="match_parent"
	android:layout_height="match_parent">

	<FrameLayout
	android:id="@+id/fragment_container"
	android:layout_width="match_parent"
	android:layout_height="match_parent" />
	</LinearLayout>