private void OnDirectionsCalculated(MKDirectionsResponse response, NSError error)
{
if (error != null)
{
Console.WriteLine($"Error while calculating directions, error: {error}");
return;
}
if (response == null || !response.Routes.Any())
{
Console.WriteLine($"Couldn't calculate directions.");
return;
}
if (map.Overlays != null && map.Overlays.Any())
{
map.RemoveOverlays(map.Overlays);
}
var route = response.Routes.First();
map.AddOverlay(route.Polyline, MKOverlayLevel.AboveRoads);
var rect = route.Polyline.BoundingMapRect;
map.SetRegion(MKCoordinateRegion.FromMapRect(rect), animated: true);
}
private void DropGeofenceCircle(PointF point)
{
CLLocationCoordinate2D convertedPoint = this.mapView.ConvertPoint(point, this.mapView);
String pinTitle = String.Format("Centre of geofence.");
String subCoordinates = String.Format("{0},{1}", convertedPoint.Latitude.ToString(), convertedPoint.Longitude.ToString());
if (this.droppedPin != null)
{
this.mapView.RemoveAnnotation(this.droppedPin);
}
this.droppedPin = new SimpleAnnotation(convertedPoint, pinTitle, subCoordinates);
this.mapView.AddAnnotation(droppedPin);
if (this.GeofenceMapDelegate.Circle != null)
{
this.mapView.RemoveOverlay(this.GeofenceMapDelegate.Circle);
}
this.GeofenceMapDelegate.Circle = MKCircle.Circle(convertedPoint, this.GeofenceService.RadiusOfGeofenceInMeters);
this.mapView.AddOverlay(this.GeofenceMapDelegate.Circle);
if (!this.mapView.VisibleMapRect.Contains(this.GeofenceMapDelegate.Circle.BoundingMap))
{
this.mapView.SetRegion(MKCoordinateRegion.FromMapRect(this.GeofenceMapDelegate.Circle.BoundingMap), true);
}
}
public override void RegionChanged(MKMapView mapView, bool animated)
{
var mkregion = MKCoordinateRegion.FromMapRect(mapView.VisibleMapRect);
var region = new MapRegion(new Position(mkregion.Center.Latitude, mkregion.Center.Longitude),
mkregion.Span.LatitudeDelta, mkregion.Span.LongitudeDelta);
_renderer.Map.VisibleRegion = region;
}
public void CenterOnLocations(List <LatitudeLongitude> locations
, bool with_animation = false)
{
if (locations == null || locations.Count == 0)
{
return;
}
var minLat = locations.Select(el => el.Latitude).Min();
var minLong = locations.Select(el => el.Longitude).Min();
var maxLat = locations.Select(el => el.Latitude).Max();
var maxLong = locations.Select(el => el.Longitude).Max();
var coordinateMin = new CLLocationCoordinate2D(minLat, minLong);
var coordinateMax = new CLLocationCoordinate2D(maxLat, maxLong);
var upperLeft = MKMapPoint.FromCoordinate(coordinateMin);
var lowerRight = MKMapPoint.FromCoordinate(coordinateMax);
var mapRect = new MKMapRect(upperLeft.X
, upperLeft.Y
, lowerRight.X - upperLeft.X
, lowerRight.Y - upperLeft.Y);
var region = MKCoordinateRegion.FromMapRect(mapRect);
MapViewControl.SetVisibleMapRect(mapRect
, new UIEdgeInsets(50, 20, 100, 20)
, true);
try
{
if (region.Center.Latitude > -89 && region.Center.Latitude < 89 && region.Center.Longitude > -179 && region.Center.Longitude < 179)
{
if (region.Span.LatitudeDelta < 0)
{
region.Span.LatitudeDelta = 0.0;
}
if (region.Span.LongitudeDelta < 0)
{
region.Span.LongitudeDelta = 0.0;
}
MapViewControl.SetRegion(region, with_animation);
}
}
catch (Exception)
{
//UIAlertView alert = new UIAlertView("Exception", String.Format("{0} \n {1}?", e.Message, e.StackTrace), null, "Cancel");
//alert.Show();
}
}
public static MKCoordinateRegion CoordinateRegionForCoordinates(
CLLocationCoordinate2D[] coordinates,
MKMapSize margin)
{
var rect = default(MKMapRect);
foreach (var coordinate in coordinates)
{
var point = MKMapPoint.FromCoordinate(coordinate);
var pointRect = new MKMapRect(
point.X - margin.Width / 2,
point.Y - margin.Height / 2,
margin.Width,
margin.Height);
rect = rect != default(MKMapRect) ? MKMapRect.Union(rect, pointRect) : pointRect;
}
return(MKCoordinateRegion.FromMapRect(rect));
}
void CalculateRouteDetails(bool zoomMapToShowFullRoute = true, bool requestAlternateRoutes = true, MKDirectionsTransportType transportType = MKDirectionsTransportType.Automobile)
{
MKDirectionsRequest directionRequest = new MKDirectionsRequest();
directionRequest.Source = sourceMapItem;
directionRequest.Destination = destinationMapItem;
directionRequest.RequestsAlternateRoutes = requestAlternateRoutes;
directionRequest.TransportType = transportType;
MKDirections eta = new MKDirections(directionRequest);
eta.CalculateETA((MKETAResponse response, Foundation.NSError error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error.Description);
}
else
{
TimeSpan time = TimeSpan.FromSeconds(response.ExpectedTravelTime);
System.Diagnostics.Debug.WriteLine(time.ToString(@"hh\:mm\:ss\:fff"));
}
});
MKDirections directions = new MKDirections(directionRequest);
directions.CalculateDirections((MKDirectionsResponse response, Foundation.NSError error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error.Description);
}
else
{
//remove previous route overlays
ClearOverlays();
currentRouteOverlay = response.Routes[0].Polyline;
MKRoute route;
//loop through backwards so first most route is renderered on top
for (int i = response.Routes.Length - 1; i >= 0; i--)
{
route = response.Routes[i];
//save overlay so it can be removed later if requested
overlaysList.Add(route.Polyline);
NativeMapView.AddOverlay(route.Polyline, MKOverlayLevel.AboveRoads);
if (i == 0)
{
if (zoomMapToShowFullRoute)
{
MKMapRect rect = route.Polyline.BoundingMapRect;
MKMapRect expandedRect = NativeMapView.MapRectThatFits(rect, new UIEdgeInsets(20, 20, 20, 20));
NativeMapView.SetRegion(MKCoordinateRegion.FromMapRect(expandedRect), true);
}
}
}
}
});
}
/*private async void FindRouteAndDrawRoute (double sourceLat, double sourceLng, double destinationLat, double destinationLng, DirectionsMode directionsMode = DirectionsMode.Driving)
* {
* if (CLLocationManager.Status == CLAuthorizationStatus.NotDetermined || CLLocationManager.Status == CLAuthorizationStatus.Denied)
* return;
*
* //get current location
* Geolocator locator = new Geolocator(){ DesiredAccuracy = 100};
* var location = await locator.GetPositionAsync(50000);
*
* Console.WriteLine("Position Status: {0}", location.Timestamp);
* Console.WriteLine("Position Latitude: {0}", location.Latitude);
* Console.WriteLine("Position Longitude: {0}", location.Longitude);
*
* MKPlacemark source = new MKPlacemark (new CLLocationCoordinate2D (sourceLat, sourceLng), new NSDictionary ());
* MKMapItem sourceItem = new MKMapItem (source);
*
* desCoordinate = new CLLocationCoordinate2D (destinationLat, destinationLng);
* MKPlacemark destination = new MKPlacemark (new CLLocationCoordinate2D (destinationLat, destinationLng), new NSDictionary ());
* MKMapItem destinationItem = new MKMapItem (destination);
*
* MKDirectionsRequest request = new MKDirectionsRequest ();
* request.Source = sourceItem;
* request.Destination = destinationItem;
* request.TransportType = directionsMode == DirectionsMode.Driving ? MKDirectionsTransportType.Automobile : MKDirectionsTransportType.Walking;
*
* MKDirections direction = new MKDirections (request);
*
* direction.CalculateDirections (delegate(MKDirectionsResponse response, NSError error) {
* if (error == null) {
* //remove all routes that has been drawn on map
* if (mapView.Overlays != null && mapView.Overlays.Length != 0) {
* foreach (var overlay in mapView.Overlays) {
* mapView.RemoveOverlay (overlay);
* }
* }
*
* //check if have route
* if (response.Routes.Length == 0) {
* Mvx.Resolve<IMvxMessenger> ().Publish (new ToastMessage (this.ViewModel, "Cannot find the route"));
* }
*
* //add new route
* foreach (var route in response.Routes) {
* MKPolyline polyline = route.Polyline;
* mapView.AddOverlay (polyline);
*
* ViewModel.TotalDistance = route.Distance;
* ViewModel.ExpectedTime = TimeSpan.FromSeconds(route.ExpectedTravelTime);
*
* foreach (var step in route.Steps) {
* ViewModel.Routes.Add (new FlexyPark.Core.Models.RouteItem () {
* Instruction = step.Instructions,
* Distance = step.Distance,
* Long = step.Polyline.Coordinate.Longitude,
* Lat = step.Polyline.Coordinate.Latitude
* });
*
* Console.WriteLine (step.Instructions);
* Console.WriteLine (step.Distance);
* }
* break;
* }
*
* } else {
* Console.WriteLine (error.LocalizedDescription);
* }
* });
*
* MKMapPoint userPoint = MKMapPoint.FromCoordinate (new CLLocationCoordinate2D (sourceLat, sourceLng));
* MKMapRect zoomRect = new MKMapRect (userPoint.X, userPoint.Y, 0.1, 0.1);
*
* MKMapPoint annotationPoint = MKMapPoint.FromCoordinate (new CLLocationCoordinate2D (destinationLat, destinationLng));
* MKMapRect pointRect = new MKMapRect (annotationPoint.X, annotationPoint.Y, 0.1, 0.1);
*
* zoomRect = MKMapRect.Union (zoomRect, pointRect);
*
* overviewRegion = MKCoordinateRegion.FromMapRect (zoomRect);
* overviewRegion.Span.LatitudeDelta += 0.05;
* overviewRegion.Span.LongitudeDelta += 0.05;
*
* StepAnnotation annotationSoure = new StepAnnotation ();
* annotationSoure.SetCoordinate (new CLLocationCoordinate2D (sourceLat, sourceLng));
* mapView.AddAnnotation (annotationSoure);
*
* MKPointAnnotation annotationDest = new MKPointAnnotation ();
* annotationDest.SetCoordinate (new CLLocationCoordinate2D (destinationLat, destinationLng));
* mapView.AddAnnotation (annotationDest);
*
* destinationAnnotation = annotationDest;
*
* mapView.SetRegion (overviewRegion, true);
*
* isShowRoute = true;
* }*/
private async void FindRouteAndDrawRoute(double destinationLat, double destinationLng, DirectionsMode directionsMode = DirectionsMode.Driving)
{
if (CLLocationManager.Status == CLAuthorizationStatus.NotDetermined || CLLocationManager.Status == CLAuthorizationStatus.Denied)
{
return;
}
//get current location
Geolocator locator = new Geolocator()
{
DesiredAccuracy = 100
};
var location = await locator.GetPositionAsync(50000);
Console.WriteLine("Position Status: {0}", location.Timestamp);
Console.WriteLine("Position Latitude: {0}", location.Latitude);
Console.WriteLine("Position Longitude: {0}", location.Longitude);
var sourceLat = location.Latitude;
var sourceLng = location.Longitude;
MKPlacemark source = new MKPlacemark(new CLLocationCoordinate2D(sourceLat, sourceLng), new NSDictionary());
MKMapItem sourceItem = new MKMapItem(source);
desCoordinate = new CLLocationCoordinate2D(destinationLat, destinationLng);
MKPlacemark destination = new MKPlacemark(new CLLocationCoordinate2D(destinationLat, destinationLng), new NSDictionary());
MKMapItem destinationItem = new MKMapItem(destination);
MKDirectionsRequest request = new MKDirectionsRequest();
request.Source = sourceItem;
request.Destination = destinationItem;
request.TransportType = directionsMode == DirectionsMode.Driving ? MKDirectionsTransportType.Automobile : MKDirectionsTransportType.Walking;
MKDirections direction = new MKDirections(request);
direction.CalculateDirections(delegate(MKDirectionsResponse response, NSError error) {
if (error == null)
{
//remove all routes that has been drawn on map
if (mapView.Overlays != null && mapView.Overlays.Length != 0)
{
foreach (var overlay in mapView.Overlays)
{
mapView.RemoveOverlay(overlay);
}
}
//check if have route
if (response.Routes.Length == 0)
{
Mvx.Resolve <IMvxMessenger> ().Publish(new ToastMessage(this.ViewModel, "Cannot find the route"));
}
//add new route
foreach (var route in response.Routes)
{
MKPolyline polyline = route.Polyline;
mapView.AddOverlay(polyline);
ViewModel.TotalDistance = route.Distance;
ViewModel.ExpectedTime = TimeSpan.FromSeconds(route.ExpectedTravelTime);
foreach (var step in route.Steps)
{
ViewModel.Routes.Add(new FlexyPark.Core.Models.RouteItem()
{
Instruction = step.Instructions,
Distance = step.Distance,
Long = step.Polyline.Coordinate.Longitude,
Lat = step.Polyline.Coordinate.Latitude
});
Console.WriteLine(step.Instructions);
Console.WriteLine(step.Distance);
}
break;
}
}
else
{
Mvx.Resolve <IMvxMessenger>().Publish(new ToastMessage(this.ViewModel, error.LocalizedDescription));
}
});
MKMapPoint userPoint = MKMapPoint.FromCoordinate(new CLLocationCoordinate2D(sourceLat, sourceLng));
MKMapRect zoomRect = new MKMapRect(userPoint.X, userPoint.Y, 0.1, 0.1);
MKMapPoint annotationPoint = MKMapPoint.FromCoordinate(new CLLocationCoordinate2D(destinationLat, destinationLng));
MKMapRect pointRect = new MKMapRect(annotationPoint.X, annotationPoint.Y, 0.1, 0.1);
zoomRect = MKMapRect.Union(zoomRect, pointRect);
overviewRegion = MKCoordinateRegion.FromMapRect(zoomRect);
overviewRegion.Span.LatitudeDelta += 0.05;
overviewRegion.Span.LongitudeDelta += 0.05;
StepAnnotation annotationSoure = new StepAnnotation();
annotationSoure.SetCoordinate(new CLLocationCoordinate2D(sourceLat, sourceLng));
mapView.AddAnnotation(annotationSoure);
MKPointAnnotation annotationDest = new MKPointAnnotation();
annotationDest.SetCoordinate(new CLLocationCoordinate2D(destinationLat, destinationLng));
mapView.AddAnnotation(annotationDest);
destinationAnnotation = annotationDest;
mapView.SetRegion(overviewRegion, true);
isShowRoute = true;
}
