android/app/src/main/res/layout/activity_presentation.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- As the main content view, the view below consumes the entire space available using match_parent
 in both dimensions. This frame encompasses all views for the presentation activity, including the
 slide list, presenter, and audience views. -->
<FrameLayout
    android:id="@+id/fragment"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>