navdrawercontent.kv

<ContentNavigationDrawer>:
    MDBoxLayout:
        spacing: '8dp'
        padding: '8dp'
        orientation: 'vertical'

        Image:
            source: 'logo.jpg'
            size_hint: .5, .2

        ScrollView:

            MDList:
                md_bg_color: app.theme_cls.accent_color
                OneLineIconListItem:
                    text: 'Connection'
                    on_release: root.screen_manager.current = 'connection'
                    on_release: root.nav_drawer.set_state("close")

                    IconLeftWidget:
                        icon: 'connection'

                OneLineIconListItem:
                    text: 'Data'
                    on_release: root.screen_manager.current = 'data'
                    on_release: root.nav_drawer.set_state("close")

                    IconLeftWidget:
                        icon: 'database'

                OneLineIconListItem:
                    text: 'Control'
                    on_release: root.screen_manager.current = 'control'
                    on_release: root.nav_drawer.set_state("close")

                    IconLeftWidget:
                        icon: 'camera-control'

                OneLineIconListItem:
                    text: 'Statistics'
                    on_release: root.screen_manager.current = 'statistics'
                    on_release: root.nav_drawer.set_state("close")

                    IconLeftWidget:
                        icon: 'chart-bar'

                OneLineIconListItem:
                    text: 'About'
                    on_release: root.screen_manager.current = 'about'
                    on_release: root.nav_drawer.set_state("close")

                    IconLeftWidget:
                        icon: 'information-variant'