fedilab-Android-App/app/src/main/res/layout/activity_webview.xml

<?xml version="1.0" encoding="utf-8"?><!--
    Copyright 2017 Thomas Schneider

    This file is a part of Fedilab

    This program is free software; you can redistribute it and/or modify it under the terms of the
    GNU General Public License as published by the Free Software Foundation; either version 3 of the
    License, or (at your option) any later version.

    Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
    the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
    Public License for more details.

    You should have received a copy of the GNU General Public License along with Fedilab; if not,
    see <http://www.gnu.org/licenses>
-->
<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <ProgressBar
            android:id="@+id/progress_bar"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="match_parent"
            android:layout_height="10dp"
            android:padding="1dp"></ProgressBar>

        <FrameLayout
            android:id="@+id/webview_container"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1">

            <app.fedilab.android.webview.CustomWebview
                android:id="@+id/webview"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/white" />
        </FrameLayout>
        <!-- View where the video will be shown when video goes fullscreen -->
        <RelativeLayout
            android:id="@+id/videoLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/black"
            android:visibility="gone" />
    </LinearLayout>
</androidx.drawerlayout.widget.DrawerLayout>