<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto"
      xmlns:tools="http://schemas.android.com/tools"
      tools:context=".DiscoveryActivity">
    <item
        android:id="@+id/action_scan"
        android:orderInCategory="101"
        android:textOff="Off"
        android:textOn="On"
        android:title="@string/app_name"
        app:actionViewClass="android.support.v7.widget.SwitchCompat"
        app:showAsAction="always"
        app:showText="true"/>
</menu>