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

<item>
    <shape android:shape="rectangle" >
        <solid android:color="@android:color/transparent" />
    </shape>
</item>

<item android:top="-2dp" android:right="-2dp" android:left="-2dp">
    <shape>
        <solid android:color="@android:color/transparent" />
        <stroke
            android:dashGap="0px"
            android:dashWidth="10px"
            android:width="1dp"
            android:color="@color/colorPrimary" />
    </shape>
</item>

</layer-list>