<?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/jy_checkbox_on" /> <!-- checked -->
  <item android:state_checked="false" android:drawable="@drawable/jy_checkbox_off" /> <!-- default -->
 
</selector>