session_background_black_selected.xml

<?xml version="1.0" encoding="utf-8" ?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_activated="true" android:drawable="@drawable/current_session_black"/>
    <item android:state_activated="false" android:drawable="@drawable/session_ripple_black"/>
</selector>