Main2

from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivymd.app import MDApp
from kivymd.uix.dialog import MDDialog


KV = '''

NavigationLayout:

    ScreenManager:

        Screen:


            MDToolbar:
                id: toolbar
                pos_hint: {"top": 1}
                elevation: 5
                title: "WEATHER_STATION"
                left_action_items: [["menu", lambda x: nav_drawer.set_state("open")]]

            GridLayout:
                rows: 4

            MDNavigationDrawer:
                id: nav_drawer

                BoxLayout:
                    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: "100dp", "100dp"
                            source: "./img/pwa_icon_512x512.png"

                    MDLabel:
                        text: "WeatherStation Pro 1.0.0"
                        font_style: "Button"
                        size_hint_y: None
                        height: self.texture_size[1]

                    MDLabel:
                        text: "riccardo.cosenza@gmail.com"
                        font_style: "Caption"
                        size_hint_y: None
                        height: self.texture_size[1]

                    ScrollView:

                        MDList:

                            OneLineAvatarListItem:
                                text: "Informazioni"
                                on_press: app.showInfoDialog()

                                IconLeftWidget:
                                    icon: "information-outline"


                            OneLineAvatarListItem:
                                text: "Contattaci"
                                on_press: app.showcontactDialog()

                                IconLeftWidget:
                                    icon: "card-account-details-outline"

'''


class TestNavigationDrawer(MDApp):

    contactDialog = None
    infoDialog = None

    def build(self):
        return Builder.load_string(KV)

    def showInfoDialog(self):
        if not self.infoDialog:
            self.infoDialog = MDDialog(
                title = "Informazioni APP",
                text = "Made with KivyMD @2020",
                auto_dismiss = True,
                pos_hint = {'center_x': .5, 'center_y': .5},
                radius=[20, 20, 20, 20],
            )
        self.infoDialog.open()

    def showcontactDialog(self):
        if not self.contactDialog:
            self.contactDialog = MDDialog(
                title = "I nostri contatti",
                text = "riccardo.cosenza81@gmail.com",
                auto_dismiss = True,
                pos_hint = {'center_x': .5, 'center_y': .5},
                radius=[20, 20, 20, 20],
            )
        self.contactDialog.open()


    def getData(self):
        endpoint = "http://weatherstation.ddnsfree.com/libs/getData.php"
        self.res_request = UrlRequest(endpoint, on_success = self.printData)

    #Momentaneo
    def printData(self, request, response):
        responseToJson = json.loads(response)
        data = responseToJson["TIMESTAMP_LOCAL"]
        print(responseToJson["TIMESTAMP_LOCAL"])
        #print(self.root.ids.tabs)


TestNavigationDrawer().run()