<?xml version="1.0" encoding="utf-8"?>
<!-- Circular text item - no background, just text color will change -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- Selected/Focused state -->
    <item android:state_focused="true">
        <shape android:shape="rectangle">
            <solid android:color="#00000000" />
        </shape>
    </item>

    <!-- Default state -->
    <item>
        <shape android:shape="rectangle">
            <solid android:color="#00000000" />
        </shape>
    </item>
</selector>
