def on_enter(self):
        # getting data from real-time database
        self.firebase = firebase.FirebaseApplication('https://lexconnectionsapp-default-rtdb.firebaseio.com/', None)
        print('connecting........')

        self.result = self.firebase.get('lexconnectionsapp-default-rtdb/products', None)
        print((self.result))
        # data i fetched from my database
        self.data = self.result

        products = [item for item in self.data.values()]  # ignore primary key, get the inner dicts
        for product in products:
            sc = ShowCard(**product)  # same as Showcard(description=product['description'],...)
            self.ids.show_card.add_widget(sc)