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

        <item
            android:id="@+id/app_bar_search"
            android:icon="@drawable/ic_search_black_24dp"
            android:title="Search"
            app:actionViewClass="android.widget.SearchView"
            android:focusable="true"
            android:focusableInTouchMode="true"
            app:showAsAction="always"/>

</menu>