riff_app/app/src/main/res/menu/toolbar_menu.xml

<?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:id="@+id/action_sleep"
        android:title="@string/action_sleep"
        android:icon="@drawable/ic_av_timer"
        app:showAsAction="ifRoom"/>

    <item
        android:id="@+id/action_alarm"
        android:title="@string/action_alarm"
        android:icon="@drawable/ic_alarm"
        app:showAsAction="ifRoom"/>

    <!--
    <item
        android:id="@+id/action_refresh"
        android:title="@string/action_refresh"
        app:showAsAction="never"/>
    -->

    <!--
    <item
        android:id="@+id/action_bug_submit"
        android:title="@string/action_bug_submit"
        app:showAsAction="never"/>
    -->

    <item android:id="@+id/action_settings"
        android:title="@string/action_settings"
        android:icon="@drawable/ic_settings"
        app:showAsAction="ifRoom"/>


</menu>