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

    <!--<item android:state_focused="true" android:drawable="@drawable/track_on"/>-->
    <item android:state_checked="true" android:drawable="@drawable/track_on"/>
    <item android:drawable="@drawable/track_off"/>

</selector>