QSPackKit/currentSdk/res/drawable/jm_agree_button_4.xml

<?xml version="1.0" encoding="utf-8"?>   
<selector xmlns:android="http://schemas.android.com/apk/res/android">   
    <item   
    android:state_checked="false"   
    android:drawable="@drawable/jm_agree_4" />
    <item   
    android:state_checked="true"   
    android:drawable="@drawable/jm_agree_on_4" />
</selector>