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


    <item android:drawable="@drawable/button_press" android:state_pressed="true"/>
    <item android:drawable="@drawable/button" android:state_pressed="false"></item>
    <item android:drawable="@drawable/button" ></item>


</selector>