session-android/res/layout/contact_selection_list_fragment.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
    <android.support.v4.widget.SwipeRefreshLayout
            android:id="@+id/swipe_refresh"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scrollbars="vertical" />

        <TextView android:id="@android:id/empty"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center|center_vertical"
            android:layout_marginTop="15dp"
            android:text="@string/contact_selection_group_activity__finding_contacts"
            android:textSize="20sp" />

    </android.support.v4.widget.SwipeRefreshLayout>

    <org.thoughtcrime.securesms.components.RecyclerViewFastScroller
        android:id="@+id/fast_scroller"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:visibility="gone"
        android:layout_gravity="end"/>

</FrameLayout>