ring-android/app/src/main/res/layout/frag_selectconv.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <!--<com.google.android.material.appbar.MaterialToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        style="@style/Widget.MaterialComponents.Toolbar.Surface"/>-->

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/conversationList"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:clipToPadding="false"
        android:paddingTop="8dp"
        app:layoutManager="LinearLayoutManager"
        tools:context=".client.ConversationSelectionActivity"
        tools:listitem="@layout/item_smartlist" />
</LinearLayout>