chinwag-android/app/src/main/res/layout-sw640dp/fragment_timeline.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="?attr/tab_page_margin_drawable">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="640dp"
        android:layout_height="match_parent"
        android:layout_gravity="center_horizontal"
        android:background="?attr/window_background">

        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
            android:id="@+id/swipe_refresh_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/recycler_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

        <ProgressBar
            android:id="@+id/progress_bar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/nothing_message"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:drawablePadding="32dp"
            android:text="@string/footer_empty"
            android:textAlignment="center"
            android:textSize="?attr/status_text_medium"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>