MDNavigationDrawer + ScrollView

main.py

from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivy.properties import StringProperty, ListProperty

from kivymd.app import MDApp
from kivymd.theming import ThemableBehavior
from kivymd.uix.list import OneLineIconListItem, MDList, OneLineListItem

import sqlite3


KV = '''
# Menu item in the DrawerList list.
<ItemDrawer>:
    theme_text_color: "Custom"
    on_release: self.parent.set_color_item(self)

    IconLeftWidget:
        id: icon
        icon: root.icon
        theme_text_color: "Custom"
        text_color: root.text_color


<ContentNavigationDrawer>:
    orientation: "vertical"
    padding: "8dp"
    spacing: "8dp"

    AnchorLayout:
        anchor_x: "left"
        size_hint_y: None
        height: avatar.height

        Image:
            id: avatar
            size_hint: None, None
            size: "56dp", "56dp"
            source: "data/logo/kivy-icon-256.png"

    MDLabel:
        text: "KivyMD library"
        font_style: "Button"
        size_hint_y: None
        height: self.texture_size[1]

    MDLabel:
        text: "[email protected]"
        font_style: "Caption"
        size_hint_y: None
        height: self.texture_size[1]

    ScrollView:

        DrawerList:
            id: md_list



Screen:

    NavigationLayout:

        ScreenManager:

            Screen:

                BoxLayout:
                    orientation: 'vertical'

                    MDToolbar:
                        title: "Nuyseu"
                        elevation: 10
                        left_action_items: [['menu', lambda x: nav_drawer.toggle_nav_drawer()]]

                    Widget:
                    
                ScrollView:
                    size_hint_y: 0.90                                        
                    MDList:
                        id: container

        MDNavigationDrawer:
            id: nav_drawer

            ContentNavigationDrawer:
                id: content_drawer
'''

# MDNavigationDrawer


class ContentNavigationDrawer(BoxLayout):
    pass


class ItemDrawer(OneLineIconListItem):
    icon = StringProperty()
    text_color = ListProperty((0, 0, 0, 1))


class DrawerList(ThemableBehavior, MDList):
    def set_color_item(self, instance_item):

        for item in self.children:
            if item.text_color == self.theme_cls.primary_color:
                item.text_color = self.theme_cls.text_color
                break
        instance_item.text_color = self.theme_cls.primary_color


class DbCon:

    def __init__(self):
        self.db = sqlite3.connect("nyuseu.sqlite3")
        self.c = self.db.cursor()

    def get_folders(self):
        self.c.execute("SELECT * FROM nyuseu_folders")
        return self.c.fetchall()

    def get_articles(self):
        self.c.execute("SELECT * FROM nyuseu_articles")
        return self.c.fetchall()

    def get_articles_from_folder(self, folder_id):
        self.c.execute("SELECT * FROM nyuseu_articles where folder_id=?", folder_id)
        return self.c.fetchall()


class TestNyuseuApp(MDApp):
    def build(self):
        return Builder.load_string(KV)

    def on_start(self):

        db = DbCon()
        folders = db.get_folders()
        articles = db.get_articles()

        for item in folders:
            self.root.ids.content_drawer.ids.md_list.add_widget(
                ItemDrawer(icon='folder', text=item[1])
            )

        for item in articles:
            self.root.ids.container.add_widget(
                OneLineListItem(text=item[1])
            )

TestNyuseuApp().run()