session-android/res/layout/conversation_item_last_seen.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:tools="http://schemas.android.com/tools"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:paddingTop="5dp"
             android:paddingBottom="5dp"
             android:layout_marginBottom="5dp"
             android:background="?conversation_item_last_seen_background">

        <TextView android:id="@+id/text"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:layout_gravity="center"
                  android:textSize="12sp"
                  android:textAllCaps="true"
                  android:textStyle="bold"
                  android:background="?conversation_item_last_seen_text_background"
                  tools:text="3 unread messages" />
</FrameLayout>