p2play-app-android/app/src/main/res/menu/activity_main_drawer.xml

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

    <item
        android:id="@+id/ai"
        android:icon="@android:color/darker_gray"
        android:title="Videos">
        <menu>
            <item
                android:id="@+id/nav_subscriptions"
                android:icon="@drawable/ic_video_library_black_24dp"
                android:title="@string/nav_subscriptions" />
            <item
                android:id="@+id/nav_popular"
                android:icon="@android:drawable/btn_star"
                android:title="@string/nav_popular" />
            <item
                android:id="@+id/nav_trending"
                android:icon="@drawable/ic_trending_up_black_24dp"
                android:title="@string/nav_trending" />
            <item
                android:id="@+id/nav_recent"
                android:icon="@drawable/ic_add_circle_black_24dp"
                android:title="@string/nav_recent" />
            <item
                android:id="@+id/nav_local"
                android:icon="@drawable/ic_home_black_24dp"
                android:title="@string/nav_local" />
        </menu>
    </item>

    <item
        android:id="@+id/aiao"
        android:icon="@android:color/white"
        android:title="More">
        <menu>
            <item
                android:id="@+id/nav_about"
                android:icon="@android:drawable/ic_dialog_info"
                android:title="@string/nav_about" />
        </menu>
    </item>

</menu>