protected override void OnElementChanged(Xamarin.Forms.Platform.Android.ElementChangedEventArgs<Xamarin.Forms.View> e)
{
base.OnElementChanged(e);
extendedMap = (ExtendedMap)Element;
mapView = Control as MapView;
map = mapView.Map;
map.MarkerClick+= HandleMarkerClick;
// Pin tıklanınca sağalta açılan menüyü engellemek için
map.UiSettings.MapToolbarEnabled = true;
map.UiSettings.MyLocationButtonEnabled = true;
if (extendedMap.isOverlayNeeded) {
LatLng southwest = new LatLng (extendedMap.sw.Latitude, extendedMap.sw.Longitude);
LatLng northeast = new LatLng (extendedMap.ne.Latitude, extendedMap.ne.Longitude);
LatLngBounds bounds = new LatLngBounds (southwest, northeast);
string url = extendedMap.overlayURL;//"http://www.mgm.gov.tr/mobile/mblhrt/data/radar/MAX--_6100_P00.png";
Bitmap objBitmap = GetImageBitmapFromUrl (url);
BitmapDescriptor objBitmapDescriptor = BitmapDescriptorFactory.FromBitmap (objBitmap);
GroundOverlayOptions objGroundOverlayOptions = new GroundOverlayOptions ().PositionFromBounds (bounds)/*.Position (objMapPosition, 100000)*/.InvokeImage (objBitmapDescriptor);
map.AddGroundOverlay (objGroundOverlayOptions);
//For freeing memory
objBitmap.Recycle ();
}
for (int i = 0; i < extendedMap.pinDatas.Count; i++) {
var markerWithIcon = new MarkerOptions ();
markerWithIcon.SetPosition (new LatLng (extendedMap.pinDatas[i].lat, extendedMap.pinDatas[i].lng));
markerWithIcon.SetTitle (i.ToString());
/*markerWithIcon.SetTitle ("aa");
markerWithIcon.SetSnippet ("bb");*/
int resID = Resources.GetIdentifier (extendedMap.pinDatas [i].icon, "drawable" , "com.app1001.bluemart");
//System.Diagnostics.Debug.WriteLine (resID);
markerWithIcon.SetIcon(BitmapDescriptorFactory.FromResource(resID));
map.AddMarker (markerWithIcon);
}
//Add Pins
//map.SetInfoWindowAdapter(this);
map.UiSettings.RotateGesturesEnabled = false;
}
public static LatLngBounds extendLimits(LatLngBounds bounds, int ratio)
{
double extendedLongitude = Math.Abs(bounds.Northeast.Longitude
- bounds.Southwest.Longitude) / ratio;
double extendedLatitude = Math.Abs(bounds.Northeast.Latitude
- bounds.Southwest.Latitude) / ratio;
LatLng topRight = null;
LatLng bottomLeft = null;
// Longitudes
double topRightLongitude = bounds.Northeast.Longitude + extendedLongitude;
double bottomLeftLongitude = bounds.Southwest.Longitude - extendedLongitude;
// latitudes
double topRightLatitude = bounds.Northeast.Latitude + extendedLatitude;
double bottomLeftLatitude = bounds.Southwest.Latitude - extendedLatitude;
topRight = new LatLng(topRightLatitude, topRightLongitude);
bottomLeft = new LatLng(bottomLeftLatitude, bottomLeftLongitude);
return new LatLngBounds(bottomLeft, topRight);
}
// gets all gyms at the given location and calculate a radius
public async Task<JsonValue> GetPlacesAsJSON(double lat, double lng, LatLngBounds llb)
{
var radius = LatLngDist.distance(llb.Northeast.Latitude, llb.Northeast.Longitude, llb.Southwest.Latitude, llb.Southwest.Longitude, 'K') * 1000 / 2;
Log.Debug("JSON", radius + "");
return await GetPlacesAsJSON(lat, lng, radius);
}
void UpdateMap(bool result)
{
if (GroupEntries.Count > 0)
{
// update our list and display
SearchResultPrefix.Text = ConnectStrings.GroupFinder_Neighborhood;
(ListView.Adapter as GroupArrayAdapter).SetSelectedRow(0);
// for the map, ensure it's valid, because Google Play can fail
if (Map != null)
{
Map.Clear( );
MarkerList.Clear( );
Android.Gms.Maps.Model.LatLngBounds.Builder builder = new Android.Gms.Maps.Model.LatLngBounds.Builder();
// add the source position
Android.Gms.Maps.Model.MarkerOptions markerOptions = new Android.Gms.Maps.Model.MarkerOptions();
Android.Gms.Maps.Model.LatLng pos = new Android.Gms.Maps.Model.LatLng(SourceLocation.Latitude, SourceLocation.Longitude);
markerOptions.SetPosition(pos);
markerOptions.InvokeIcon(BitmapDescriptorFactory.DefaultMarker(BitmapDescriptorFactory.HueGreen));
builder.Include(pos);
Android.Gms.Maps.Model.Marker marker = Map.AddMarker(markerOptions);
MarkerList.Add(marker);
for (int i = 0; i < GroupEntries.Count; i++)
{
// add the positions to the map
markerOptions = new Android.Gms.Maps.Model.MarkerOptions();
pos = new Android.Gms.Maps.Model.LatLng(GroupEntries[i].Latitude, GroupEntries[i].Longitude);
markerOptions.SetPosition(pos);
markerOptions.SetTitle(GroupEntries[i].Name);
markerOptions.SetSnippet(string.Format("{0:##.0} {1}", GroupEntries[i].DistanceFromSource, ConnectStrings.GroupFinder_MilesSuffix));
builder.Include(pos);
marker = Map.AddMarker(markerOptions);
MarkerList.Add(marker);
}
Android.Gms.Maps.Model.LatLngBounds bounds = builder.Build( );
int paddingInPixels = Math.Min(View.Width, (int)(View.Height * .1f));
CameraUpdate camPos = CameraUpdateFactory.NewLatLngBounds(bounds, paddingInPixels);
Map.AnimateCamera(camPos);
// show the info window for the first (closest) group
MarkerList[1].ShowInfoWindow( );
}
}
else
{
if (result == true)
{
// send the analytic and update our list
SearchResultPrefix.Text = ConnectStrings.GroupFinder_NoGroupsFound;
SearchResultNeighborhood.Text = string.Empty;
(ListView.Adapter as GroupArrayAdapter).SetSelectedRow(-1);
// validate the map before using. Google Play can error
if (Map != null)
{
// no groups found, so move the camera to the default position
Android.Gms.Maps.Model.LatLng defaultPos = new Android.Gms.Maps.Model.LatLng(ConnectConfig.GroupFinder_DefaultLatitude, ConnectConfig.GroupFinder_DefaultLongitude);
CameraUpdate camPos = CameraUpdateFactory.NewLatLngZoom(defaultPos, ConnectConfig.GroupFinder_DefaultScale_Android);
Map.AnimateCamera(camPos);
}
}
else
{
// there was actually an error. Let them know.
SearchResultPrefix.Text = ConnectStrings.GroupFinder_NetworkError;
SearchResultNeighborhood.Text = string.Empty;
}
}
}
void PostDelayInitMap (LatLngBounds bounds)
{
if (initTry == 4)
return;
mapView.PostDelayed (() => {
initTry++;
if (mapView.Width == 0)
PostDelayInitMap (bounds);
else
googleMap.MoveCamera (CameraUpdateFactory.NewLatLngBounds (bounds, 0));
}, 250);
}
/// <summary>
/// Sets the route calculation data
/// </summary>
/// <param name="route">The PCL route</param>
/// <param name="routeResult">The rourte api result</param>
private void SetRouteData(TKRoute route, GmsRouteResult routeResult)
{
var latLngBounds = new LatLngBounds(
new LatLng(routeResult.Bounds.SouthWest.Latitude, routeResult.Bounds.SouthWest.Longitude),
new LatLng(routeResult.Bounds.NorthEast.Latitude, routeResult.Bounds.NorthEast.Longitude));
var apiSteps = routeResult.Legs.First().Steps;
var steps = new TKRouteStep[apiSteps.Count()];
var routeFunctions = (IRouteFunctions)route;
for (int i = 0; i < steps.Length; i++)
{
steps[i] = new TKRouteStep();
var stepFunctions = (IRouteStepFunctions)steps[i];
var apiStep = apiSteps.ElementAt(i);
stepFunctions.SetDistance(apiStep.Distance.Value);
stepFunctions.SetInstructions(apiStep.HtmlInstructions);
}
routeFunctions.SetSteps(steps);
routeFunctions.SetDistance(routeResult.Legs.First().Distance.Value);
routeFunctions.SetTravelTime(routeResult.Legs.First().Duration.Value);
routeFunctions.SetBounds(
MapSpan.FromCenterAndRadius(
latLngBounds.Center.ToPosition(),
Distance.FromKilometers(
new Position(latLngBounds.Southwest.Latitude, latLngBounds.Southwest.Longitude)
.DistanceTo(
new Position(latLngBounds.Northeast.Latitude, latLngBounds.Northeast.Longitude)))));
}
public AndroidViewportFilter(LatLngBounds viewportBounds)
{
this.ViewportBounds = viewportBounds;
}
private void ZoomMapTo(IEnumerable<LatLng> locations)
{
LatLngBounds locationBoundary = null;
if (locations != null || locations.Count () != 0)
locationBoundary = new LatLngBounds (locations.First (), locations.First ());
if (locations.Count () > 1)
foreach (var loc in locations)
locationBoundary.Including (loc);
map.MoveCamera (CameraUpdateFactory.NewLatLngZoom (locationBoundary.Center, 10));
}