CasicSmartWell / app / src / main / res / drawable / dash_line_horizontal.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="line">

    <stroke
        android:width="1dp"
        android:color="@color/hintTextColor"
        android:dashWidth="1dp"
        android:dashGap="1dp" />
</shape>