emotionhero/app/src/main/res/layout/activity_gaming.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimary"
    tools:context="com.rubenvandeven.emotionhero.GamingActivity">

    <!-- The primary full-screen view. This can be replaced with whatever view
         is needed to present your content, e.g. VideoView, SurfaceView,
         TextureView, etc. -->
    <RelativeLayout
        android:id="@+id/video_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1">

    </RelativeLayout>

    <TextView
        android:id="@+id/fullscreen_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:keepScreenOn="true"
        android:text="@string/dummy_content"
        android:textColor="#ffffff"
        android:textSize="50sp"
        android:textStyle="bold" />

    <!-- This FrameLayout insets its children based on system windows using
         android:fitsSystemWindows. -->

    <!--<view-->
        <!--class="com.rubenvandeven.emotionhero.ScenarioView"-->
        <!--android:layout_width="match_parent"-->
        <!--android:id="@+id/scenarioView"-->
        <!--android:layout_height="match_parent" />-->


    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true">

        <LinearLayout
            android:id="@+id/fullscreen_content_controls"
            style="?metaButtonBarStyle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|center_horizontal"
            android:background="@color/black_overlay"
            android:orientation="horizontal"
            tools:ignore="UselessParent">

            <Button
                android:id="@+id/dummy_button"
                style="?metaButtonBarButtonStyle"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="@string/dummy_button" />

        </LinearLayout>

        <SurfaceView
            android:layout_width="1dp"
            android:layout_height="1dp"
            android:id="@+id/surfaceView" />

    </FrameLayout>

</FrameLayout>