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

<?xml version="1.0" encoding="utf-8"?>
<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="app.fedilab.android.activities.HashTagActivity">

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

            <include
                android:id="@+id/inc_toolbar"
                layout="@layout/conversation_action_bar" />
        </com.google.android.material.appbar.AppBarLayout>

        <!-- Framelayout to display Fragments -->
        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/main_app_container"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:paddingLeft="@dimen/fab_margin"
            android:paddingRight="@dimen/fab_margin"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
            tools:context="app.fedilab.android.activities.ShowConversationActivity">

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/lv_pixelfed"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:divider="@null"
                android:scrollbars="none"
                android:visibility="gone"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/lv_pixelfed"
                android:id="@+id/swipeContainer"
                android:layout_width="match_parent"
                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:divider="@null"
                    android:scrollbars="none" />
            </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

            <LinearLayout
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/swipeContainer"
                android:id="@+id/loader"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_marginBottom="70dp"
                android:gravity="center"
                android:orientation="horizontal"
                android:visibility="gone">

                <ProgressBar
                    android:layout_width="20dp"
                    android:layout_height="20dp"
                    android:indeterminate="true" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="20dp"
                    android:text="@string/fetch_conversation" />
            </LinearLayout>
        </androidx.constraintlayout.widget.ConstraintLayout>
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

</androidx.drawerlayout.widget.DrawerLayout>