public ClusterManager(Context context, GoogleMap map, MarkerManager markerManager)
{
mMap = map;
mMarkerManager = markerManager;
mClusterMarkers = markerManager.newCollection();
mMarkers = markerManager.newCollection();
mRenderer = new DefaultClusterRenderer <T>(context, map, this);
mAlgorithm = new PreCachingAlgorithmDecorator <T>(new NonHierarchicalDistanceBasedAlgorithm <T>());
mClusterTask = new ClusterTask(this);
mRenderer.onAdd();
}
protected override void startDemo(bool isRestore)
{
if (!isRestore)
{
getMap().MoveCamera(CameraUpdateFactory.NewLatLngZoom(new LatLng(51.403186, -0.126446), 10));
}
// Shared object managers - used to support multiple layer types on the map simultaneously
// [START maps_multilayer_demo_init1]
MarkerManager markerManager = new MarkerManager(getMap());
//GroundOverlayManager groundOverlayManager = new GroundOverlayManager(getMap());
//PolygonManager polygonManager = new PolygonManager(getMap());
//PolylineManager polylineManager = new PolylineManager(getMap());
// [END maps_multilayer_demo_init1]
// Add clustering
// [START maps_multilayer_demo_init2]
ClusterManager clusterManager = new ClusterManager(this, getMap(), markerManager);
// [END maps_multilayer_demo_init2]
getMap().SetOnCameraIdleListener(clusterManager);
addClusterItems(clusterManager);
// Add GeoJSON from resource
try
{
var geoJsonOnFeatureClickListener = new GeoJsonOnFeatureClickListener(this);
// GeoJSON polyline
// [START maps_multilayer_demo_init3]
GeoJsonLayer geoJsonLineLayer = new GeoJsonLayer(getMap(), Resource.Raw.south_london_line_geojson, this);//, markerManager, polygonManager, polylineManager, groundOverlayManager);
// [END maps_multilayer_demo_init3]
// Make the line red
GeoJsonLineStringStyle geoJsonLineStringStyle = new GeoJsonLineStringStyle();
geoJsonLineStringStyle.Color = Color.Red;
foreach (GeoJsonFeature f in geoJsonLineLayer.Features.ToEnumerable())
{
f.LineStringStyle = geoJsonLineStringStyle;
}
geoJsonLineLayer.AddLayerToMap();
geoJsonLineLayer.SetOnFeatureClickListener(geoJsonOnFeatureClickListener);
// GeoJSON polygon
GeoJsonLayer geoJsonPolygonLayer = new GeoJsonLayer(getMap(), Resource.Raw.south_london_square_geojson, this);//, markerManager, polygonManager, polylineManager, groundOverlayManager);
// Fill it with red
GeoJsonPolygonStyle geoJsonPolygonStyle = new GeoJsonPolygonStyle();
geoJsonPolygonStyle.FillColor = Color.Red;
foreach (GeoJsonFeature f in geoJsonPolygonLayer.Features.ToEnumerable())
{
f.PolygonStyle = geoJsonPolygonStyle;
}
geoJsonPolygonLayer.AddLayerToMap();
geoJsonPolygonLayer.SetOnFeatureClickListener(geoJsonOnFeatureClickListener);
}
catch (Java.IO.IOException e)
{
Log.Error(TAG, "GeoJSON file could not be read");
}
catch (JSONException e)
{
Log.Error(TAG, "GeoJSON file could not be converted to a JSONObject");
}
// Add KMLs from resources
try
{
var kmlLayerOnFeatureClickListener = new KmlLayerOnFeatureClickListener(this);
// KML Polyline
// [START maps_multilayer_demo_init4]
KmlLayer kmlPolylineLayer = new KmlLayer(getMap(), Resource.Raw.south_london_line_kml, this);//, markerManager, polygonManager, polylineManager, groundOverlayManager, null);
// [END maps_multilayer_demo_init4]
// [START maps_multilayer_demo_init6]
kmlPolylineLayer.AddLayerToMap();
kmlPolylineLayer.SetOnFeatureClickListener(kmlLayerOnFeatureClickListener);
// [END maps_multilayer_demo_init6]
// KML Polygon
KmlLayer kmlPolygonLayer = new KmlLayer(getMap(), Resource.Raw.south_london_square_kml, this);//, markerManager, polygonManager, polylineManager, groundOverlayManager, null);
kmlPolygonLayer.AddLayerToMap();
kmlPolygonLayer.SetOnFeatureClickListener(kmlLayerOnFeatureClickListener);
}
catch (XmlPullParserException e)
{
e.PrintStackTrace();
}
catch (Java.IO.IOException e)
{
e.PrintStackTrace();
}
// Unclustered marker - instead of adding to the map directly, use the MarkerManager
// [START maps_multilayer_demo_init5]
MarkerManager.Collection markerCollection = markerManager.NewCollection();
markerCollection.AddMarker(new MarkerOptions()
.SetPosition(new LatLng(51.150000, -0.150032))
.SetIcon(BitmapDescriptorFactory.DefaultMarker(BitmapDescriptorFactory.HueAzure))
.SetTitle("Unclustered marker"));
// [END maps_multilayer_demo_init5]
// [START maps_multilayer_demo_init7]
markerCollection.SetOnMarkerClickListener(this);
// [END maps_multilayer_demo_init7]
}
