menu_basic_menu.xml

<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="com.godoro.androidbasics.BasicMenuActivity">

    <item android:id="@+id/exitMenuItem" android:title="@string/exit"/>

    <item android:id="@+id/applicationMenu" android:title="@string/application">
        <menu>
            <item android:id="@+id/settingsMenuItem" android:title="@string/settings"/>
        </menu>
    </item>

    <item android:id="@+id/dataMenu" android:title="@string/data">
        <menu >
            <item android:id="@+id/insertMenuItem" android:title="@string/insert" />
            <item android:id="@+id/deleteMenuItem" android:title="@string/delete" />
        </menu>
    </item>


</menu>