I have been trying to add a font to my menu items and have tried few solutions i found but none of them worked for me.
Method 1 :How to set custom typeface to items in NavigationView?
Method 2:
Menu XML
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/action_notification1"
        android:icon="@mipmap/filter_button"
        android:title="action_notification"
        app:showAsAction="always">
        <menu>
            <item
                android:id="@+id/navmenu_cat"
                android:icon="@mipmap/categories"
                android:orderInCategory="100"
                android:title="@string/categories" />
            <item
                android:id="@+id/navmenu_date"
                android:icon="@mipmap/calendar"
                android:orderInCategory="100"
                android:title="@string/date" />
        </menu>
    </item>
</menu>
MyClass
public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.work_history, menu);
        for (int i = 0; i < menu.size(); i++) {
            Typeface face = Typeface.createFromAsset(getAssets(), "ar_regular.ttf");
            SpannableStringBuilder title = new SpannableStringBuilder(menu.getItem(i).getTitle().toString());
            title.setSpan(face, 0, title.length(), 0);
            MenuItem menuItem = menu.getItem(i);
            menuItem.setTitle(title);
        }
        return true;
    }