private async void UpdateBusPins() { while (true) { // skip update pins if map is freezed (user clicks on pin) if (!FreezeMap) { // remove all bus pins foreach (CustomPin p in map.BusPins) { map.Pins.Remove(p.Pin); } map.BusPins.Clear(); foreach (BusOnRoad bor in BusHelper.ActiveBuses.Values) { // move bus to next checkpoint on the route for simulation // actual deployment: get real-time position of bus BusSimulator.GoToNextCheckpoint(bor); // add pin to map if service is to be shown on map if (BusHelper.BusSvcs [bor.routeName].showOnMap) { var description = "Start: " + BusHelper.BusStops [bor.firstStop].name + "\n" + "End: " + BusHelper.BusStops [bor.lastStop].name + "\n" + "Approaching: " + BusHelper.BusStops [(string)bor.nextStopEnumerator.Current].name + "\n" + "In: " + BusHelper.GetArrivalTiming(bor.vehiclePlate) + "\n"; var pin = new Pin { Type = PinType.Place, Position = new Xamarin.Forms.Maps.Position(bor.latitude, bor.longitude), Label = bor.routeName, Address = description }; var bus = new CustomPin { Pin = pin, Id = bor.routeName, Url = bor.routeName + ".png" }; map.Pins.Add(pin); map.BusPins.Add(bus); } } // remove buses which has finished plying List <BusOnRoad> finishedBuses = BusHelper.ActiveBuses.Values.Where(bor => bor.finished).ToList(); foreach (BusOnRoad bor in finishedBuses) { BusHelper.RemoveBusOnRoad(bor.vehiclePlate); } } // continue after interval await Task.Delay(TimeSpan.FromSeconds(SettingsVars.Variables ["REFRESH_BUS_INTERVAL"].value)); } }
private bool UpdatePositions() { // skip update pins if map is freezed if (FreezeMap) { return(true); } // remove all bus pins foreach (CustomPin p in map.BusPins) { map.Pins.Remove(p.Pin); } map.BusPins.Clear(); foreach (BusOnRoad bor in BusHelper.ActiveBuses.Values) { // temp change position randomly for test // bor.latitude += rand.NextDouble () * 0.0001 - 0.00005; // bor.longitude += rand.NextDouble () * 0.0001 - 0.00005; // move bus to next checkpoint on the route for simulation BusSimulator.GoToNextCheckpoint(bor); // add pin to map if svc show on map if (BusHelper.BusSvcs [bor.routeName].showOnMap) { var description = "Start: " + BusHelper.BusStops [bor.firstStop].name + "\n" + "End: " + BusHelper.BusStops [bor.lastStop].name + "\n" + "Approaching: " + BusHelper.BusStops [(string)bor.nextStopEnumerator.Current].name + "\n" + "In: " + BusHelper.GetArrivalTiming((string)bor.nextStopEnumerator.Current, bor.routeName); var pin = new Pin { Type = PinType.Place, Position = new Xamarin.Forms.Maps.Position(bor.latitude, bor.longitude), Label = bor.routeName, Address = description }; var bus = new CustomPin { Pin = pin, Id = bor.routeName, Url = bor.routeName + ".png" }; map.Pins.Add(pin); map.BusPins.Add(bus); } } return(true); }