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

<?xml version="1.0" encoding="utf-8"?><!--
    Copyright 2019 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.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:animateLayoutChanges="true"
    android:background="@android:color/transparent">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/media_viewpager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/media_description"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal|bottom"
        android:layout_marginBottom="70dp"
        android:background="#AA000000"
        android:gravity="center"
        android:padding="12dp"
        android:textColor="#ffffffff"
        android:textIsSelectable="true"
        android:visibility="gone" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>