HEGII.ss.mes.pda/res/drawable/cb_checked.xml

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

    <item android:drawable="@drawable/ic_checked" android:state_checked="true"/>
    <item android:drawable="@drawable/ic_unchecked" android:state_checked="false"/>
</selector>