text: # Fixed Screen size as android screen
  from kivy.config import Config
  Config.set('graphics', 'width', '360')
  Config.set('graphics', 'height', '740')
  # remove both line when build App
  
  from kivymd.app import MDApp
  from kivy.lang import Builder
  from kivy.uix.screenmanager import ScreenManager
  from kivy.uix.floatlayout import FloatLayout
  from kivymd.uix.tab import MDTabsBase
  
  class Tabs(FloatLayout, MDTabsBase):
      '''Class implementing content for a tab on home screen'''
  
  
  class MessageApp(MDApp):
      def change_screen(self,name):
          screen_manager.current = name
  
      def build(self):
          global screen_manager
          screen_manager = ScreenManager()
          screen_manager.add_widget(Builder.load_file("ui//login.kv"))
          screen_manager.add_widget(Builder.load_file("ui//signup.kv"))
          screen_manager.add_widget(Builder.load_file("ui//forgot.kv"))
          screen_manager.add_widget(Builder.load_file("ui//verification.kv"))
          screen_manager.add_widget(Builder.load_file("ui//home.kv"))
          self.theme_cls.theme_style="Light"
          
          return screen_manager
  
  if __name__ == "__main__":
      MessageApp().run()
  