public MainPage()
{
InitializeComponent();
//TODO get config from
_movementManager = new MovementManager(2, 4);
_personManager = new PersonManager();
_personManager.PeopleReceivedEventHandler += new EventHandler <List <Person> >(PeopleReceived);
_pobCount = 0;
txtCount.Text = _pobCount.ToString();
PeopleOnBoard = new SortedObservableCollection <PobItem>();
DataContext = this;
_personService = new PersonService();
_dispatcher = Window.Current.Dispatcher;
//start background task to connect to card Reader.
var task = new Task(async() => await CreateNfcReader());
task.Start();
//Mqtt Service Connect
MqttService.Connect();
MqttService.MessageReceived += new EventHandler <Movement>(MovementMessage);
}