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

    <item android:title="@string/conversation_list__menu_search"
          android:id="@+id/menu_search"
          android:icon="?attr/menu_search_icon"
          app:actionViewClass="android.support.v7.widget.SearchView"
          app:showAsAction="ifRoom|collapseActionView" />

</menu>