/// <summary>
/// Contstructor of the MainPage
/// </summary>
public MainPage()
{
//initialize the graphic components
InitializeComponent();
//add the application bar - it has to be done dynamically in order to enable the app bar
//to be localized
BuildApplicationBar();
//tombstonning
//if there is some Station situation in the State of the application
if (PhoneApplicationService.Current.State.ContainsKey("City"))
{
//get the situation from the current state dictionary - if the app is been run for second time
var city = PhoneApplicationService.Current.State["City"] as City;
PhoneApplicationService.Current.State.Remove("City");
var bikeCity = new BikeCityViewModel(city);
bikeCity.CityCenter = new GeoCoordinate(city.Lat, city.Lng);
bikeCity.FromNearStations = new System.Collections.ObjectModel.ObservableCollection <BikeStationViewModel>();
if (city.FromStations != null)
{
foreach (var station in city.FromStations)
{
bikeCity.FromNearStations.Add(new BikeStationViewModel(station));
}
}
if (city.CurrentStation != null)
{
bikeCity.CurrentStation = bikeCity.FromNearStations.FirstOrDefault(x => x.Id == city.CurrentStation.Id);
}
CurrentCity = bikeCity;
//silently update stations
bikeCity.GetAllStations(false);
}
//create the GPS watcher for real device and turn it on
_watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High);
_watcher.MovementThreshold = 200;
SwitchGPS();
//create new class to access the web services
_serviceCaller = new BikeInCity.ServiceCaller.ServiceCaller(BikeConsts.MAPS_KEY);
//always load cities
LoadCities();
if (CurrentCity == null)
{
IsMessage = true;
Message = AppResources.Message_LoadingCities;
}
this.DataContext = this;
}
