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