pip3 install virtualenv
virtualenv -p python3.8 venv 
source ./venv/scripts/activate

'''
source venv/bin/activate
'''
pip install kivy

import kivy

'''
program:
Import packages: kivy.app import App, kivy.uix.label import Label
TrialApp = It is the name of the class.
text = variable
demo=object created
def build(self): It is a method inside which widgets will be called
label: text displaying widget
'''
from kivy.app import App
from kivy.uix.label import Label
 
 
class TrialApp(App):
    def build(self):
        return Label(
            text="Making an android app"
        )
 
demo=TrialApp()
demo.run()