main.py

__version__ = "1.0"

from kivy.app import App #for the main app
from kivy.uix.floatlayout import FloatLayout #the UI layout
from kivy.uix.label import Label #a label to show information
from plyer import accelerometer #object to read the accelerometer
from kivy.clock import Clock #clock to schedule a method

class UI(FloatLayout):#the app ui
	def __init__(self, **kwargs):
		super(UI, self).__init__(**kwargs)
		self.lblAcce = Label(text="Accelerometer: ") #create a label at the center
		self.btnAcce = Button(text='Hello World')
		self.add_widget(self.btnAcce) #add the label at the screen
		self.add_widget(self.lblAcce) #add the label at the screen
		try:
			accelerometer.enable() #enable the accelerometer
			#if you want do disable it, just run: accelerometer.disable()
			Clock.schedule_interval(self.update, 1.0/24) #24 calls per second
		except:
			self.lblAcce.text = "Failed to start accelerometer" #error

	def update(self, dt):
		txt = ""
		try:
			txt = "Accelerometer:\nX = %.2f\nY = %.2f\nZ = %2.f " %(
				accelerometer.acceleration[0], #read the X value
				accelerometer.acceleration[1], # Y
				accelerometer.acceleration[2]) # Z
		except:
			txt = "Cannot read accelerometer!" #error
		self.lblAcce.text = txt #add the correct text

class Accelerometer(App): #our app
	def build(self):
		ui = UI()# create the UI
		return ui #show it

if __name__ == '__main__':
	Accelerometer().run() #start our app