skyline/app/src/main/res/layout/emu_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:keepScreenOn="true"
        tools:background="@android:color/black"
        tools:context=".EmulationActivity">

    <SurfaceView
            android:id="@+id/game_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            tools:visibility="invisible" />

    <emu.skyline.input.onscreen.OnScreenControllerView
            android:id="@+id/on_screen_controller_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

    <TextView
            android:id="@+id/perf_stats"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="5dp"
            android:layout_marginTop="5dp"
            android:textColor="#9fffff00" />

    <ImageButton
            android:id="@+id/on_screen_controller_toggle"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:layout_gravity="bottom|end"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:src="@drawable/ic_show"
            app:tint="#40FFFFFF"
            tools:ignore="ContentDescription" />
</FrameLayout>