HEGII.ft.mes.pda/res/drawable/message_pop.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/pop_message_selected" android:state_selected="true"></item>
    <item android:drawable="@drawable/pop_message_on"></item>
</selector>