res/menu/contact_list_menu.xml

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

    <item
        android:id="@+id/menu_search"
        android:icon="@drawable/ic_menu_search"
        android:orderInCategory="100"
        android:showAsAction="ifRoom"
        android:title="Search"/>

</menu>