dolphin/Source/Android/app/src/main/res/layout/fragment_emulation.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:keepScreenOn="true"
             tools:context="org.dolphinemu.dolphinemu.fragments.EmulationFragment">

    <!-- This is what everything is rendered to during emulation -->
    <SurfaceView
        android:id="@+id/surface_emulation"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:focusable="false"
        android:focusableInTouchMode="false"/>

    <!-- This is the onscreen input overlay -->
    <org.dolphinemu.dolphinemu.overlay.InputOverlay
        android:id="@+id/surface_input_overlay"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:focusable="true"
        android:focusableInTouchMode="true"/>
</FrameLayout>