unread_message_button.xml

<?xml version="1.0" encoding="utf-8"?>
<merge
	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"
	tools:showIn="@layout/activity_threaded_conversation">

	<android.support.design.widget.FloatingActionButton
		android:id="@+id/fab"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		app:fabSize="mini"
		app:useCompatPadding="true"/>

	<TextView
		android:id="@+id/unreadCountView"
		android:layout_width="wrap_content"
		android:layout_height="@dimen/unread_bubble_size"
		android:layout_gravity="right|top"
		android:layout_marginRight="5dp"
		android:layout_marginTop="10dp"
		android:background="@drawable/bubble"
		android:elevation="7dp"
		android:gravity="center"
		android:minWidth="@dimen/unread_bubble_size"
		android:textColor="@color/briar_text_primary_inverse"
		android:textSize="@dimen/unread_bubble_text_size"
		android:textStyle="bold"
		tools:text="12"/>

</merge>