<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto">
      
    <item android:id="@+id/action_search"
          android:title="@string/search_title"
          android:icon="@drawable/abc_ic_search_api_mtrl_alpha"
          app:showAsAction="always"
          android:actionViewClass="android.widget.SearchView" />

</menu>
