Navigation drawer menu sub categories

Question

I have a Navigation Drawer in my app using the DrawerLayout class and NavigationView. Right now I have my drawer showing all of my categories by inflating a menu xml file. How can I get it so that some of these categories are separated by subheadings and dividers?

Answer 1

You can do this very easily by just modifying your existing menu xml file.

Your code will look something like this:

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

    <item
        android:id="@+id/group1"
        android:title="title1">
        <menu>
            <item
                android:title="item1" />
            <item
                android:title="item2" />
        </menu>
    </item>

    <item
        android:id="@+id/group2"
        android:title="title2">
        <menu>
            <item
                android:title="item1" />
            <item
                android:title="item2" />
            <item
                android:title="item3" />
        </menu>
    </item>
</menu>

All you do is specify a new menu within each item and give the parent item a title!