iceraven-browser/app/src/main/res/layout/component_bookmark.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<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:id="@+id/bookmarks_wrapper"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/bookmark_list"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:listitem="@layout/library_site_item" />

    <TextView
            android:id="@+id/bookmarks_empty_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginTop="8dp"
            android:text="@string/bookmarks_empty_message"
            android:textColor="?secondaryText"
            android:textSize="16sp"
            android:visibility="gone" />

    <ProgressBar
        android:id="@+id/bookmarks_progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />

</FrameLayout>