demo-rx2/src/main/res/layout/item_user.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingTop="8dp"
    android:paddingBottom="8dp"
    android:paddingStart="16dp"
    android:paddingEnd="16dp"
    android:textAppearance="?android:attr/textAppearanceListItemSmall" />