FossifyGallery/app/src/main/res/layout/fragment_holder.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/fragment_holder"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

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

    <include
        android:id="@+id/bottom_actions"
        layout="@layout/bottom_actions"/>

</RelativeLayout>