test-kivy-app/main.py

from kivy.lang import Builder
from kivy.properties import ObjectProperty

# from kivy.app import App
# from kivy.uix.button import Button
# from kivy.uix.gridlayout import GridLayout
from kivy.core.window import Window

### appbar

###
import requests
from kivymd.app import MDApp
from kivymd.theming import ThemeManager
from kivymd.uix.gridlayout import MDGridLayout
from kivymd.uix.button import MDButton, MDButtonText


# from kivymd.uix.label import MDLabel
# from kivymd.uix.anchorlayout import MDAnchorLayout
from kivymd.uix.boxlayout import MDBoxLayout
# from kivymd.icon_definitions import md_icons
from kivymd.uix.screen import MDScreen



Window.size = (480, 853)

from kivy.config import Config 
Config.set('kivy', 'keyboard_mode', 'systemanddock')

def isAvailable(ip):    
    try:
        response = requests.get("http://" + ip, timeout=5)
        # print("Yes")
        return "shield-check"
    except requests.ConnectionError:
        # return False
        # print("No")
        return "server-network-off"
    except requests.exceptions.InvalidURL:
        return "?"



class Container(MDScreen):
    # openwrt = ObjectProperty(None)

    def checkAvailability(self):
        openwrt = "10.1.0.1"
        polaris = "10.1.0.5"
        raspberry_pi = "10.1.0.9"
        udongein_xyz = "udongein.xyz"


        self.openwrt_icon.icon = isAvailable(openwrt)
        self.polaris_icon.icon = isAvailable(polaris)
        self.raspberry_pi_icon.icon = isAvailable(raspberry_pi)
        self.udongein_xyz_icon.icon = isAvailable(udongein_xyz)

        self.text_lastinput_show.text =  str(self.text_input.text) + ' '
        self.text_input_check_icon.icon = isAvailable(str(self.text_input.text))


class MyApp(MDApp):
    theme_cls = ThemeManager()
    Title = 'Uptime Check'

    def build(self):
        self.theme_cls.theme_style = "Light"
        self.theme_cls.primary_palette = "Green"  # "Purple", "Red"
        # return Container()
        # return MDScreen()
        return self.root
        # return Builder.load_file("mycopy.kv")

MyApp().run()