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Copy pathMQTT_Kivy_Client_AndroidEnc.py
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MQTT_Kivy_Client_AndroidEnc.py
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import paho.mqtt.client as mqtt
from cryptography.fernet import Fernet
from kivy.app import App
from kivy.core.window import Window
from kivy.uix.button import Button
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.label import Label
from kivy.uix.slider import Slider
def load_key():
return open("secret.key", "rb").read()
def encrypt_message(message1):
key = load_key()
encoded_message = message1.encode()
f = Fernet(key)
encrypted_message = f.encrypt(encoded_message)
return encrypted_message
Window.clearcolor = (1, 1, 1, 1)
class Main(App):
client = mqtt.Client("P3")
message = "0"
text = 0
textstr = "10"
speedl2 = Label(text=textstr,
color=(1, 0, 0, 1),
font_size='25sp',
size_hint=(.4, .34))
def on_message(self, client, userdata, message):
data = message.payload.decode("utf-8").split(':')
self.root.update(data[0], data[1], 1)
def build(self):
self.client.on_message = self.on_message
self.client.username_pw_set(username="uname", password="pwd")
self.client.connect('65.1.195.121', 1883)
self.client.loop_start()
self.client.publish("test", encrypt_message(self.message))
layout = FloatLayout()
speedl1 = Label(text=f'Speed',
color=(1, 0, 0, 1),
font_size='25sp',
size_hint=(.4, .45))
speed = Slider(orientation='horizontal',
min=0,
max=10,
value=10,
size_hint=(.3, .3),
value_track=True,
value_track_color=[1, 0, 0, 1],
pos_hint={'x': .05, 'y': .13})
reverse = Button(text="Reverse",
font_size="20sp",
background_color=(0.059, 0.969, 0.961),
color=(1, 1, 1, 1),
size=(32, 32),
size_hint=(.28, .28),
pos_hint={'x': .36, 'y': .12})
stop = Button(text="Stop",
font_size="20sp",
background_color=(0.059, 0.969, 0.961),
color=(1, 1, 1, 1),
size=(32, 32),
size_hint=(.28, .28),
pos_hint={'x': .36, 'y': .40})
forward = Button(text="Forward",
font_size="20sp",
background_color=(0.059, 0.969, 0.961),
color=(1, 1, 1, 1),
size=(32, 32),
size_hint=(.28, .28),
pos_hint={'x': .36, 'y': .68})
left = Button(text="Left",
font_size="20sp",
background_color=(0.059, 0.969, 0.961),
color=(1, 1, 1, 1),
size=(32, 32),
size_hint=(.28, .28),
pos_hint={'x': .08, 'y': .40})
right = Button(text="Right",
font_size="20sp",
background_color=(0.059, 0.969, 0.961),
color=(1, 1, 1, 1),
size=(32, 32),
size_hint=(.28, .28),
pos_hint={'x': .64, 'y': .40})
reverse.bind(on_press=self.reverse)
stop.bind(on_press=self.destroy)
forward.bind(on_press=self.forward)
left.bind(on_press=self.left)
right.bind(on_press=self.right)
speed.bind(value=self.on_value)
layout.add_widget(speed)
layout.add_widget(speedl1)
layout.add_widget(self.speedl2)
layout.add_widget(reverse)
layout.add_widget(stop)
layout.add_widget(forward)
layout.add_widget(left)
layout.add_widget(right)
return layout
def on_stop(self):
self.client.publish("test", "bye")
def on_pause(self):
self.client.disconnect()
def on_resume(self):
self.client.connect('65.1.195.121', 1883)
def reverse(self, event):
self.message = "r"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
def destroy(self, event):
self.message = "s"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
def forward(self, event):
self.message = "f"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
def left(self, event):
self.message = "tl"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
def right(self, event):
self.message = "tr"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
def on_value(self, instance, speed):
self.text = speed
self.text = float(self.text)
self.text = round(self.text)
self.textstr = str(self.text)
self.speedl2.text = self.textstr
if self.text == 0:
self.message = "s0"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 1:
self.message = "s1"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 2:
self.message = "s2"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 3:
self.message = "s3"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 4:
self.message = "s4"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 5:
self.message = "s5"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 6:
self.message = "s6"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 7:
self.message = "s7"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 8:
self.message = "s8"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 9:
self.message = "s9"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
elif self.text == 10:
self.message = "s10"
encMessage = encrypt_message(self.message)
self.client.publish("test", encMessage)
myApp = Main()
myApp.run()