pujunis and plyer

from kivy.lang import Builder
from kivymd.app import MDApp
from kivy.clock import Clock
from jnius import cast
from jnius import autoclass
from plyer.platforms.android import activity
from plyer.facades import UniqueID
from kivy.utils import platform

kv = '''
<ToolBarWindow@MDScreen>:
    MDLabel:
        id: IMEI_Lable
        markup:True
        halign:'center'
        multiline:True

    MDLabel:
        id: IMEI_Lable2
        markup:True
        halign:'center'
        multiline:True

ScreenManager:
    ToolBarWindow:
        name: 'tolBar_Window1'
 '''

class MainApp(MDApp):
    def build(self):
        return Builder.load_string(kv)

    def on_start(self):
        Clock.schedule_interval(self.dell, 1)

    def dell(self, dt):
        if(platform == 'android'):
            TelephonyManager = autoclass('android.telephony.TelephonyManager')
            Context = autoclass('android.content.Context')
            Secure = autoclass('android.provider.Settings$Secure')
            manager = cast('android.telephony.TelephonyManager', activity.getSystemService(Context.TELEPHONY_SERVICE))
            display_IMEI=manager.getDeviceId()
            display_IMEI2=Secure.getString(activity.getContentResolver(),Secure.ANDROID_ID)
        MDApp.get_running_app().root.get_screen('tolBar_Window1').ids.timeday.text =str(display_IMEI)
        MDApp.get_running_app().root.get_screen('tolBar_Window1').ids.timeday.text=str(display_IMEI2)

if __name__ == '__main__':
       MainApp().run()