LibreTube/app/src/main/res/layout/fragment_downloads.xml

<?xml version="1.0" encoding="utf-8"?>
<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="?android:attr/colorBackground">

    <LinearLayout
        android:id="@+id/downloads_empty"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical">

        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_marginBottom="16dp"
            android:src="@drawable/ic_download" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginHorizontal="10dp"
            android:gravity="center"
            android:text="@string/emptyList"
            android:textSize="20sp"
            android:textStyle="bold" />
    </LinearLayout>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/downloads"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="gone" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/shuffle_background"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|end"
        android:layout_margin="16dp"
        android:contentDescription="@string/shuffle"
        android:src="@drawable/ic_shuffle"
        android:tooltipText="@string/shuffle"
        tools:targetApi="o" />

</FrameLayout>