trkpt/app/src/main/res/layout/custom_dropdown_item_collapsed.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView android:id="@android:id/text1"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingStart="@dimen/activity_horizontal_margin"
    android:paddingEnd="@dimen/activity_horizontal_margin"
    android:textColor="@color/trackbook_grey"
    android:ellipsize="marquee"
    android:singleLine="true" />