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);
}
// Randomly generates cluster items within some extent of the camera and adds them to the cluster manager.
private void generateClusterItems()
{
var extent = 0.2;
for (int index = 1; index <= kClusterItemCount; index++)
{
var lat = kCameraLatitude + extent * randomScale();
var lng = kCameraLongitude + extent * randomScale();
var name = $"Item {index}";
var item = new POIItem(position: new CLLocationCoordinate2D(lat, lng), name: name);
clusterManager.AddItem(item);
}
}
public void WillRenderMarker(GMUClusterRenderer renderer, Overlay marker)
{
if (marker is Marker) // Overlays sneaking in here disguised as Markers...
{
var myMarker = (Marker)marker;
if (myMarker.UserData is POIItem)
{
POIItem item = (POIItem)myMarker.UserData;
myMarker.Title = item.Name;
}
}
}
public void WillRenderMarker(GMUClusterRenderer renderer, Overlay marker)
{
Google.Maps.Marker gmsMarker = marker as Marker;
if (gmsMarker.UserData.GetType() == typeof(GMUStaticCluster))
{
GMUStaticCluster cluster = gmsMarker.UserData as GMUStaticCluster;
// set a custom icon or view here
}
else
{
POIItem clustItem = gmsMarker.UserData as POIItem;
// set a custom icon or view here
}
}
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);
}
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);
}
public void DidTapClusterItem(GMUClusterManager clusterManager, IGMUClusterItem clusterItem)
{
POIItem poitem = clusterItem as POIItem;
Map.ClusterItemClicked(poitem);
}