How to use the kivymd.dialog.MDDialog function in kivymd

def show_easter_dialog(self):
        content = MDLabel(font_style='Body1',
                          theme_text_color='Secondary',
                          text="Congrats! You found this easter egg!\n\n"
                               "Thanks for trying out CoPilot!  :)",
                          valign='top')

        content.bind(size=content.setter('text_size'))
        self.dialog = MDDialog(title="Easter Egg!",
                               content=content,
                               size_hint=(.8, None),
                               height=dp(200),
                               auto_dismiss=False)

        self.dialog.add_action_button("Dismiss",
                                      action=lambda *x: self.dialog.dismiss())
        self.dialog.open()

theme_text_color='Secondary',
                          text="Lorem ipsum dolor sit amet, consectetur "
                               "adipiscing elit, sed do eiusmod tempor "
                               "incididunt ut labore et dolore magna aliqua. "
                               "Ut enim ad minim veniam, quis nostrud "
                               "exercitation ullamco laboris nisi ut aliquip "
                               "ex ea commodo consequat. Duis aute irure "
                               "dolor in reprehenderit in voluptate velit "
                               "esse cillum dolore eu fugiat nulla pariatur. "
                               "Excepteur sint occaecat cupidatat non "
                               "proident, sunt in culpa qui officia deserunt "
                               "mollit anim id est laborum.",
                          size_hint_y=None,
                          valign='top')
        content.bind(texture_size=content.setter('size'))
        self.dialog = MDDialog(title="This is a long test dialog",
                               content=content,
                               size_hint=(.8, None),
                               height=dp(200),
                               auto_dismiss=False)

        self.dialog.add_action_button("Dismiss",
                                      action=lambda *x: self.dialog.dismiss())
        self.dialog.open()

def create_dialog_content_helper(cls, title, content):
        """
        Creates a dialog from given title and content.
        Adds it to the dialogs track list.
        """
        # TODO
        dialog = MDDialog(
                        title=title,
                        content=content,
                        size_hint=(.8, None),
                        height=dp(250),
                        auto_dismiss=False)
        dialog.bind(on_dismiss=cls.on_dialog_dismiss)
        with cls.__lock:
            cls.dialogs.append(dialog)
        return dialog

def show_dialog(self, title, message, qrdata=None, cb=None):
        if qrdata:
            dialog_height = 300
            content = QRCodeWidget(data=qrdata,
                                   size=(dp(150), dp(150)),
                                   size_hint=(None, None))
        else:
            dialog_height = 200
            content = MDLabel(font_style='Body1',
                              theme_text_color='Secondary',
                              text=message,
                              size_hint_y=None,
                              valign='top')
            content.bind(texture_size=content.setter('size'))
        self.dialog = MDDialog(title=title,
                               content=content,
                               size_hint=(.8, None),
                               height=dp(dialog_height),
                               auto_dismiss=False)

        self.dialog.add_action_button(
            "Dismiss", action=cb if cb else lambda *x: self.dialog.dismiss())
        self.dialog.open()

def __init__(self, **kwargs):
        super(MDDialog, self).__init__(**kwargs)
        self.bind(_action_buttons=self._update_action_buttons,
                  auto_dismiss=lambda *x: setattr(self.shadow, 'on_release',
                                                  self.shadow.dismiss if self.auto_dismiss else None))

def show_version_dialog(self):
        content = MDLabel(font_style='Body1',
                          theme_text_color='Secondary',
                          text="Created by Joel Zeller\n\n"
                               "Please send any bugs to joelzeller25@hotmail.com",
                          valign='top')

        content.bind(size=content.setter('text_size'))
        self.dialog = MDDialog(title="CoPilot "+version,
                               content=content,
                               size_hint=(.8, None),
                               height=dp(200),
                               auto_dismiss=False)

        self.dialog.add_action_button("Dismiss",
                                      action=lambda *x: self.dialog.dismiss())
        self.dialog.open()

def __init__(self, **kwargs):
        super(CaptchaPopup, self).__init__(**kwargs)
        self.add_action_button("Try Again", action=lambda *x: self.try_again())
        self.add_action_button("Continue",
                               action=lambda *x: self.non_restricted())

    def try_again(self):
        self.action = "try_again"
        self.dismiss()

    def non_restricted(self):
        self.action = "front_screen"
        self.dismiss()


class SearchPopup(MDDialog):
    search_suggestions = ListProperty([])
    search_buttons = ListProperty([])
    def __init__(self, **kwargs):
        super(SearchPopup, self).__init__(**kwargs)
        self.add_action_button("Search", action=lambda *x: self.savesearch())

    def savesearch(self):
        db = App.get_running_app().db
        already_exists = db.query(Search).filter_by(searchterm=self.ids.searcharea.text).first()
        front_screen = App.get_running_app().root.ids.sadpanda_screen_manager.get_screen("front_screen")
        front_screen.do_search(self.ids.searcharea.text)
        if already_exists:
            self.dismiss()
        else:
            newsearch = Search(searchterm=self.ids.searcharea.text)
            db.add(newsearch)

def create_alias_dialog(cls, account):
        """
        Creates the update alias dialog.
        """
        title = "Update your alias"
        content = cls(account)
        dialog = MDDialog(
                        title=title,
                        content=content,
                        size_hint=(.8, None),
                        height=dp(250),
                        auto_dismiss=False)
        # workaround for MDDialog container size (too small by default)
        dialog.ids.container.size_hint_y = 1
        return dialog

def show_indev_dialog(self):
        content = MDLabel(font_style='Body1',
                          theme_text_color='Secondary',
                          text="This feature is currently in development.\n\n"
                               "Thanks for trying out CoPilot!  :)",
                          valign='top')

        content.bind(size=content.setter('text_size'))
        self.dialog = MDDialog(title="Coming soon!",
                               content=content,
                               size_hint=(.8, None),
                               height=dp(200),
                               auto_dismiss=False)

        self.dialog.add_action_button("Dismiss",
                                      action=lambda *x: self.dialog.dismiss())
        self.dialog.open()