PROYECTO II B 2025 » Grupo 6B 2025

# main.py (Código que se convertirá en APK)

import kivy

from kivy.app import App

from kivy.uix.boxlayout import BoxLayout

from kivy.uix.label import Label

from kivy.uix.button import Button

from kivy.clock import Clock

from kivy.utils import get_color_from_hex

import requests

import json

import time

# --- CONFIGURACIÓN CLAVE ---

# REEMPLAZA ESTO CON LA IP REAL DE TU RASPBERRY PI

RASPBERRY_PI_IP = '192.168.71.159 '

API_LECTURA = f'http://{RASPBERRY_PI_IP}:5000/api/lectura'

API_CONTROL = f'http://{RASPBERRY_PI_IP}:5000/api/compuerta'

# ---------------------------

class GasMonitor(BoxLayout):

    def __init__(self, **kwargs):

        super(GasMonitor, self).__init__(orientation='vertical', padding=10, spacing=10)

        # Estado de conexión

        self.status_label = Label(text="Iniciando Conexión...", size_hint_y=None, height=50)

        self.add_widget(self.status_label)

        # Contenedor para mediciones

        self.mediciones_layout = BoxLayout(orientation='vertical', spacing=5)

        self.labels = {}

        sensores = ['CO', 'CH4', 'AIRE']

        for sensor in sensores:

            self.labels[sensor] = Label(text=f'{sensor}: --- PPM', font_size='24sp')

            self.mediciones_layout.add_widget(self.labels[sensor])

        self.add_widget(self.mediciones_layout)

        # Botones de control

        self.add_widget(Label(text="Control de Compuerta (Buzzer)", size_hint_y=None, height=30))

        self.control_layout = BoxLayout(spacing=10, size_hint_y=None, height=80)

        btn_abrir = Button(text="ABRIR (ON)", background_color=get_color_from_hex('#006600'))

        btn_abrir.bind(on_press=lambda instance: self.enviar_control('abrir'))

        self.control_layout.add_widget(btn_abrir)

        btn_cerrar = Button(text="CERRAR (OFF)", background_color=get_color_from_hex('#CC0000'))

        btn_cerrar.bind(on_press=lambda instance: self.enviar_control('cerrar'))

        self.control_layout.add_widget(btn_cerrar)

        self.add_widget(self.control_layout)

        # Iniciar el ciclo de actualización cada 2 segundos

        Clock.schedule_interval(self.obtener_datos, 2)

    def obtener_datos(self, dt):

        """Realiza la solicitud GET a la API de la Raspberry Pi."""

        try:

            response = requests.get(API_LECTURA, timeout=3)

            data = response.json()

            if data.get("status") == "OK":

                self.status_label.text = f"CONECTADO: {data['timestamp']}"

                self.status_label.color = get_color_from_hex('#00CC00')

                self.labels['CO'].text = f"CO: {data['CO']:.2f} PPM"

                self.labels['CH4'].text = f"CH4: {data['CH4']:.2f} PPM"

                self.labels['AIRE'].text = f"AIRE: {data['AIRE']:.2f} PPM"

            else:

                self.status_label.text = f"ERROR API: {data.get('message', 'Desconocido')}"

                self.status_label.color = get_color_from_hex('#FF9900')

        except requests.exceptions.ConnectionError:

            self.status_label.text = "ERROR: No se puede conectar a la PI"

            self.status_label.color = get_color_from_hex('#CC0000')

        except requests.exceptions.Timeout:

            self.status_label.text = "ERROR: Tiempo de espera agotado"

            self.status_label.color = get_color_from_hex('#FF6600')

        except Exception as e:

            self.status_label.text = f"ERROR: {e}"

            self.status_label.color = get_color_from_hex('#CC0000')

    def enviar_control(self, accion):

        """Envía una solicitud POST para abrir o cerrar la compuerta (buzzer)."""

        url = f'{API_CONTROL}/{accion}'

        try:

            response = requests.post(url, timeout=3)

            if response.status_code == 200:

                self.status_label.text = f"Comando enviado: {accion.upper()}"

            else:

                self.status_label.text = f"Fallo de control: {response.status_code}"

        except Exception as e:

            self.status_label.text = f"Fallo al enviar comando: {e}"

class GasApp(App):

    def build(self):

        self.title = 'KEL AviGasDetector'

        return GasMonitor()

if __name__ == '__main__':

    GasApp().run()