CaesarKivy/button.py

# import kivy module
import kivy

# this restrict the kivy version i.e
# below this kivy version you cannot
# use the app or software
kivy.require("1.9.1")

# base Class of your App inherits from the App class.
# app:always refers to the instance of your application
from kivy.app import App
from sendweb
# creates the button in kivy
# if not imported shows the error
from kivy.uix.button import Button

# class in which we are creating the button
class ButtonApp(App):
	
	def build(self):
		# use a (r, g, b, a) tuple
		btn = Button(text ="Push Me !",
				font_size ="20sp",
				background_color =(1, 1, 1, 1),
				color =(1, 1, 1, 1),
				size =(32, 32),
				size_hint =(.2, .2),
				pos =(300, 250))

		# bind() use to bind the button to function callback
		btn.bind(on_press = self.callback)
		return btn

	# callback function tells when button pressed
	def callback(self, event):
		print("button pressed")
		print('Yoooo !!!!!!!!!!!')
		

# creating the object root for ButtonApp() class
root = ButtonApp()

# run function runs the whole program
# i.e run() method which calls the target
# function passed to the constructor.
root.run()