myhomie_app/lib/app_context.dart

import 'package:flutter/material.dart';
import 'package:myhomie_app/client.dart';

import 'Models/homieContext.dart';

class AppContext with ChangeNotifier {
  HomieAppContext _homieContext;
  Client clientAPI = Client("http://192.168.31.140");
  List<String> _lastMQTTMessages = [];

  AppContext(this._homieContext);

  getContext() => _homieContext;
  setContext(HomieAppContext appContext) async {
    _homieContext = appContext;

    notifyListeners();
  }

  getLastMQTTMessages() => _lastMQTTMessages;
  setLastMessage(String lastMessage) async {
    _lastMQTTMessages.add(lastMessage);

    if (_lastMQTTMessages.length > 10) {
      _lastMQTTMessages.removeAt(0);
    }

    notifyListeners();
  }
}