public override void LoadView()
{
var camera = CameraPosition.FromCamera(latitude: kCameraLatitude, longitude: kCameraLongitude, zoom: 10);
mapView = MapView.FromCamera(frame: CGRect.Empty, camera: camera);
this.View = mapView;
// Set up the cluster manager with default icon generator and renderer.
var iconGenerator = new GMUDefaultClusterIconGenerator();
var algorithm = new GMUNonHierarchicalDistanceBasedAlgorithm();
var renderer = new ClusterRenderer(mapView: mapView, iconGenerator: iconGenerator)
{
Delegate = this
};
clusterManager = new GMUClusterManager(mapView: mapView, algorithm: algorithm, renderer: renderer);
// Add people to the cluster manager.
foreach (Person person in randomPeople())
{
clusterManager.AddItem(person);
}
// Call cluster() after items have been added to perform the clustering and rendering on map.
clusterManager.Cluster();
}
void AddCluster()
{
var googleMapView = mapView; //use the real mapview init'd somewhere else instead of this
var iconGenerator = new GMUDefaultClusterIconGenerator();
var algorithm = new GMUNonHierarchicalDistanceBasedAlgorithm();
var renderer = new GMUDefaultClusterRenderer(googleMapView, iconGenerator);
renderer.WeakDelegate = this;
clusterManager = new GMUClusterManager(googleMapView, algorithm, renderer);
for (var i = 0; i <= kClusterItemCount; i++)
{
var lat = kCameraLatitude + extent * GetRandomNumber(-1.0, 1.0);
var lng = kCameraLongitude + extent * GetRandomNumber(-1.0, 1.0);
var name = $"Item {i}";
IGMUClusterItem item = new POIItem(lat, lng, name);
clusterManager.AddItem(item);
}
clusterManager.Cluster();
clusterManager.SetDelegate(this, this);
}
private void GenerateClusters(TripsClusterMapView mapView)
{
if (mapView == null)
{
return;
}
if (_clusterManager.Delegate == null)
{
_clusterManager.SetDelegate(new ClusterDelegate(mapView), new MapDelegate());
}
_clusterManager.ClearItems();
var random = new Random();
mapView.Trips.ForEach(x => _clusterManager.AddItem(new ClusterMarker(x.Route.Average(y => y.Latitude), x.Route.Average(y => y.Longitude))
{
Id = x.Id,
Title = x.Name
}));
_clusterManager.Cluster();
}
void UpdateAllPins()
{
var googleMapView = nativeMap;
var iconGenerator = new GMUDefaultClusterIconGenerator();
var algorithm = new GMUNonHierarchicalDistanceBasedAlgorithm();
GMUDefaultClusterRenderer renderer = null;
try
{
renderer = new GMUDefaultClusterRenderer(googleMapView, iconGenerator);
renderer.WeakDelegate = this;
clusterManager = new GMUClusterManager(googleMapView, algorithm, renderer);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
for (var i = 0; i < Map.Pins.Count; i++)
{
Pin pin = (Map.Pins[i] as Pin);
var lat = pin.Position.Latitude;
var lng = pin.Position.Longitude;
var name = pin.Label;
IGMUClusterItem item = new POIItem(lat, lng, name);
clusterManager.AddItem(item);
}
clusterManager.Cluster();
clusterManager.SetDelegate(this, this);
}
private void ItemsChanged(object sender, EventArgs e)
{
if (mapView == null)
{
return;
}
var clusterChanged = false;
foreach (var newItem in ViewModel.Items.Value)
{
var exitingCi = clusterItems.FirstOrDefault(x => x.AnimalId == newItem.AnimalId);
if (exitingCi != null)
{
exitingCi.Position = new CLLocationCoordinate2D(newItem.Coordinate.Latitude, newItem.Coordinate.Longitude);
clusterChanged = true;
}
else
{
AnimalClusterItem item = new AnimalClusterItem(
new CLLocationCoordinate2D(newItem.Coordinate.Latitude, newItem.Coordinate.Longitude), newItem.AnimalId, newItem.Name,
newItem.ImageUrl);
clusterItems.Add(item);
clusterManager.AddItem(item);
clusterChanged = true;
}
}
if (clusterChanged)
{
clusterManager.Cluster();
}
//List<Animal> addableItems = new List<Animal>();
////foreach (var newItem in ViewModel.Items.Value)
////{
//// var equals = false;
//// if (oldItems.Count > 0)
//// foreach (var oldItem in oldItems)
//// {
//// if (newItem.AnimalId == oldItem.AnimalId)
//// equals = true;
//// }
//// if (!equals)
//// addableItems.Add(newItem);
////}
//clusterManager.ClearItems();
//AnimalClusterItem[] items = ViewModel.Items.Value.Select(x => new AnimalClusterItem(
// new CLLocationCoordinate2D(x.Coordinate.Latitude, x.Coordinate.Longitude), x.AnimalId, x.Name,
// x.ImageUrl)).ToArray();
//clusterManager.AddItems(items);
//oldItems.AddRange(addableItems);
////if (addableItems.Count > 0)
////{
// clusterManager.Cluster();
// if (mapView.SelectedMarker != null)
// SelectMarker(mapView.SelectedMarker);
//}
}
public override async void ViewDidLoad()
{
base.ViewDidLoad();
var googleMapView = mapView; //use the real mapview init'd somewhere else instead of this
var iconGenerator = new GMUDefaultClusterIconGenerator();
var algorithm = new GMUNonHierarchicalDistanceBasedAlgorithm();
var renderer = new GMUDefaultClusterRenderer(googleMapView, iconGenerator);
renderer.WeakDelegate = this;
clusterManager = new GMUClusterManager(googleMapView, algorithm, renderer);
JsonSerializer _serializer = new JsonSerializer()
{
DateTimeZoneHandling = DateTimeZoneHandling.Utc
};
using (HttpClient httpClient = new HttpClient(new HttpClientHandler {
AutomaticDecompression = DecompressionMethods.GZip
}))
{
Token token = null;
httpClient.BaseAddress = new Uri(AppSettings.BaseAddress);
FormUrlEncodedContent formUrlEncodedContent = new FormUrlEncodedContent(new Dictionary <String, String> {
{ "client_id", AppSettings.Client_id },
{ "client_secret", AppSettings.Client_secret },
{ "grant_type", AppSettings.Grant_type }
});
using (HttpRequestMessage httpRequestMessage = new HttpRequestMessage(HttpMethod.Post, "/connect/token"))
{
httpRequestMessage.Content = formUrlEncodedContent;
using (HttpResponseMessage httpResponseMessage = await httpClient.SendAsync(httpRequestMessage))
{
if (httpResponseMessage.IsSuccessStatusCode == true)
{
using (System.IO.Stream stream = await httpResponseMessage.Content.ReadAsStreamAsync())
{
using (System.IO.StreamReader streamReader = new System.IO.StreamReader(stream))
{
using (JsonTextReader json = new JsonTextReader(streamReader))
{
token = _serializer.Deserialize <Token>(json);
}
}
}
}
}
}
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(token.token_type, token.access_token);
using (HttpResponseMessage httpResponseMessage = await httpClient.GetAsync("/api/v1/pl/Locations/lots"))
{
if (httpResponseMessage.IsSuccessStatusCode == true)
{
using (System.IO.Stream stream = await httpResponseMessage.Content.ReadAsStreamAsync())
{
using (System.IO.StreamReader streamReader = new System.IO.StreamReader(stream))
{
using (JsonTextReader json = new JsonTextReader(streamReader))
{
Response <Lot[]> lots = _serializer.Deserialize <Response <Lot[]> >(json);
for (int i = 0; i < lots.result.Length; i++)
{
IGMUClusterItem item = new POIItem(lots.result[i].latitude, lots.result[i].longitude, lots.result[i].name);
clusterManager.AddItem(item);
}
}
}
}
}
}
}
clusterManager.Cluster();
clusterManager.SetDelegate(this, this);
}