public override Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
if (mode != NavigationMode.Back)
{
ExecuteLoadBusStops();
}
else
{
if (positions != null)
{
MapArea = GeoboundingBox.TryCompute(positions);
if (MapArea != null)
{
Messenger.Default.Send <GeoboundingBoxMessage>(new GeoboundingBoxMessage(MapArea));
}
}
}
Messenger.Default.Register <BusStopMessage>(this, (message) =>
{
Debug.WriteLine($"Bus stop selected: {message.Payload.Title} - {message.Payload.AtcoCode}");
var parameters = new BusStopParameter(message.Payload.Title, message.Payload.AtcoCode);
NavigationService.Navigate(typeof(BusStopDetailPage), parameters);
});
return(Task.CompletedTask);
}
private async Task getDepartures(BusStopParameter parameters)
{
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
using (var client = new TransportApiClient(ApiCredentials.appId, ApiCredentials.appKey))
{
if (!(bool)UseLiveData)
{
var response = await client.BusTimetable(parameters.AtcoCode, DateTime.Now, true);
if (response == null)
{
CommandBarTitle = $"Could not retrieve departures!";
}
else
{
CommandBarTitle = $"Next buses from {parameters.StopName}";
populateTimetableDepartures(response);
}
}
else
{
var response = await client.BusLive(parameters.AtcoCode, true, nextBuses : true);
if (response == null)
{
CommandBarTitle = $"Could not retrieve departures!";
}
else
{
CommandBarTitle = $"Next buses from {parameters.StopName}";
populateLiveDepartures(response);
}
}
}
}