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

<?xml version="1.0" encoding="utf-8"?><!--
    Copyright 2019 Thomas Schneider

    This file is a part of Mastalab

    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.

    Mastalab 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 Mastalab; if not,
    see <http://www.gnu.org/licenses>.
-->
<androidx.drawerlayout.widget.DrawerLayout 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/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context="fr.gouv.etalab.mastodon.activities.GroupActivity">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/appBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="?attr/colorPrimary"
                app:layout_scrollFlags="scroll|enterAlways"
                 />
        </com.google.android.material.appbar.AppBarLayout>

        <RelativeLayout
            android:paddingLeft="@dimen/fab_margin"
            android:paddingRight="@dimen/fab_margin"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
            android:layout_width="match_parent"
            android:layout_height="match_parent">
            <!-- Listview status -->
            <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
                android:layout_width="match_parent"
                android:id="@+id/swipeContainer"
                android:layout_height="match_parent">

                <androidx.recyclerview.widget.RecyclerView
                    android:id="@+id/lv_status"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:scrollbars="none"
                    android:divider="@null"></androidx.recyclerview.widget.RecyclerView>
            </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

            <RelativeLayout
                android:id="@+id/no_action"
                android:visibility="gone"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">

                <TextView
                    android:padding="10dp"
                    android:gravity="center"
                    android:textSize="25sp"
                    android:layout_gravity="center"
                    android:textStyle="italic|bold"
                    android:typeface="serif"
                    android:text="@string/no_messages"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent" />
            </RelativeLayout>
            <!-- Main Loader -->
            <RelativeLayout
                android:id="@+id/loader"
                android:visibility="gone"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center">

                <ProgressBar
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:indeterminate="true" />
            </RelativeLayout>
            <!-- Loader for next status -->
            <RelativeLayout
                android:id="@+id/loading_next_status"
                android:visibility="gone"
                android:layout_width="match_parent"
                android:layout_alignParentBottom="true"
                android:layout_gravity="bottom|center_horizontal"
                android:gravity="bottom|center_horizontal"
                android:layout_height="20dp">

                <ProgressBar
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:indeterminate="true" />
            </RelativeLayout>
        </RelativeLayout>
    </androidx.coordinatorlayout.widget.CoordinatorLayout>
</androidx.drawerlayout.widget.DrawerLayout>