public async void RefreshHubs(Hub reference, int quantity)
{
progress.Visibility = ViewStates.Visible;
List<Hub> nearHubs = await reference.NearHubs(quantity);
this.hubs.Clear();
this.hubs.AddRange(nearHubs);
progress.Visibility = ViewStates.Gone;
this.NotifyDataSetChanged();
}
private void OnPositionChanged(Geolocator sender, PositionChangedEventArgs e)
{
var geoCoordinate = new GeoCoordinate(e.Position.Coordinate.Latitude, e.Position.Coordinate.Longitude);
var accuracy = e.Position.Coordinate.Accuracy;
Dispatcher.BeginInvoke(async () =>
{
pbLoading.Visibility = Visibility.Visible;
mLocation.SetView(geoCoordinate, App.MAP_ZOOM);
RefreshPin(geoCoordinate, accuracy);
var mockHub = new Hub
{
Lat = geoCoordinate.Latitude,
Lng = geoCoordinate.Longitude
};
IList<HubViewModel> nearHubs = Enumerable.Empty<HubViewModel>().ToList();
try
{
nearHubs = (await mockHub.NearHubs(App.HUBS_IN_PROXIMITY, accuracy))
.Select(nh => new HubViewModel(nh))
.ToList();
}
catch
{
MessageBox.Show("There was an error downloading the list of hubs. Please try again.", "error", MessageBoxButton.OK);
}
RefreshHubs(nearHubs);
pbLoading.Visibility = Visibility.Collapsed;
});
}