java/com/google/lizlooney/shoppinglist/res/layout/spinner_item_right.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:gravity="right"
  android:textColor="@android:color/white" />