<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        android:text="Empty address book" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:layout_weight="0"
        android:text='To add an address, start a payment and tap "Add to address book".' />

</android.support.constraint.ConstraintLayout>
Add a new layout to be used for empty address lists.
android: Add a new layout to be used for empty address lists.
