<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:drawable="@drawable/p7725_sdk_checkbox_pressed" android:state_checked="true"/>
    <item android:drawable="@drawable/p7725_sdk_checkbox_normal" android:state_checked="false"/>
    <item android:drawable="@drawable/p7725_sdk_checkbox_normal"/>   
</selector>