public static void InitializeMapsService(this MapView map, string username, string mapname, bool isVector, Action success = null)
{
CartoMapsService service = new CartoMapsService();
service.Username = username;
service.DefaultVectorLayerMode = isVector;
System.Threading.Tasks.Task.Run(delegate
{
LayerVector layers = service.BuildNamedMap(mapname, new StringVariantMap());
// NB! This update priority only works for the map tpl_a108ee2b_6699_43bc_aa71_3b0bc962acf9 (TorqueActivity)
// It may make loading worse or even break it when tried with other maps
layers[0].UpdatePriority = 2;
layers[1].UpdatePriority = 1;
layers[2].UpdatePriority = 0;
for (int i = 0; i < layers.Count; i++)
{
Layer layer = layers[i];
map.Layers.Add(layer);
}
if (success != null)
{
success();
}
});
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
// You need to change these according to your DB
string sql = "select * from table_46g";
string cartoCSS = "#table_46g {raster-opacity: 0.5;}";
string config = JsonUtils.GetRasterLayerConfigJson(sql, cartoCSS).ToString();
// Use the Maps service to configure layers. Note that this must be done
// in a separate thread on Android, as Maps API requires connecting to server
// which is not allowed in main thread.
CartoMapsService mapsService = new CartoMapsService();
mapsService.Username = "******";
// Use raster layers, not vector layers
mapsService.DefaultVectorLayerMode = false;
System.Threading.Tasks.Task.Run(delegate
{
try
{
LayerVector layers = mapsService.BuildMap(Variant.FromString(config));
for (int i = 0; i < layers.Count; i++)
{
MapView.Layers.Add(layers[i]);
}
}
catch (IOException e)
{
Carto.Utils.Log.Debug("EXCEPTION: Exception: " + e);
}
});
// Zoom map to the content area
MapPos hiiumaa = BaseProjection.FromWgs84(new MapPos(22.7478235498916, 58.8330577553785));
MapView.SetFocusPos(hiiumaa, 0);
MapView.SetZoom(11, 0);
}
public static void ConfigureNamedVectorLayers(this MapView map, string name)
{
System.Threading.Tasks.Task.Run(delegate
{
CartoMapsService service = new CartoMapsService();
service.Username = "******";
// Use VectorLayers
service.DefaultVectorLayerMode = true;
LayerVector layers = service.BuildNamedMap(name, new StringVariantMap());
for (int i = 0; i < layers.Count; i++)
{
map.Layers.Add(layers[i]);
}
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
AddOnlineBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
// You need to change these according to your DB
string sql = "select * from table_46g";
string cartoCSS = "#table_46g { raster-opacity: 0.5; }";
string config = JsonUtils.GetRasterLayerConfigJson(sql, cartoCSS).ToString();
CartoMapsService mapsService = new CartoMapsService();
mapsService.Username = "******";
// Use raster layers, not vector layers
mapsService.DefaultVectorLayerMode = false;
// Use the Maps service to configure layers.
// Note that Maps API requires connecting to server,
// which shouldn't be done on the main thread
InvokeInBackground(delegate
{
try
{
LayerVector layers = mapsService.BuildMap(Variant.FromString(config));
for (int i = 0; i < layers.Count; i++)
{
MapView.Layers.Add(layers[i]);
}
}
catch (IOException e)
{
Carto.Utils.Log.Debug("EXCEPTION: Exception: " + e);
}
});
// Zoom map to the content area
MapPos hiiumaa = BaseProjection.FromWgs84(new MapPos(22.7478235498916, 58.8330577553785));
MapView.SetFocusPos(hiiumaa, 0);
MapView.SetZoom(10, 0);
}
public static void ConfigureNamedVectorLayers(this MapView map, string username, string mapname, Action <VectorTileLayer> complete)
{
System.Threading.Tasks.Task.Run(delegate
{
CartoMapsService service = new CartoMapsService();
service.Username = username;
// Use VectorLayers
service.DefaultVectorLayerMode = true;
VectorTileLayer layer;
LayerVector layers = service.BuildNamedMap(mapname, new StringVariantMap());
// Only grab the second layer in the list.
// The first is the base map and the last is a text layer
layer = (VectorTileLayer)layers[1];
complete(layer);
});
}
public static void ConfigureUTFGridLayers(MapView MapView, JsonValue config)
{
// Use the Maps service to configure layers.
// Note that this must be done in a separate thread on Android,
// as Maps API requires connecting to server which is not nice to do in main thread.
System.Threading.Tasks.Task.Run(delegate
{
CartoMapsService service = new CartoMapsService();
service.Username = "******";
// Use VectorLayers
service.DefaultVectorLayerMode = true;
service.Interactive = true;
try
{
LayerVector layers = service.BuildMap(Variant.FromString(config.ToString()));
LocalVectorDataSource overlaySource = new LocalVectorDataSource(MapView.Options.BaseProjection);
VectorLayer overlayLayer = new VectorLayer(overlaySource);
MapView.Layers.Add(overlayLayer);
for (int i = 0; i < layers.Count; i++)
{
TileLayer layer = (TileLayer)layers[i];
MyUTFGridEventListener lisener = new MyUTFGridEventListener(overlaySource);
layer.UTFGridEventListener = lisener;
MapView.Layers.Add(layer);
}
}
catch (Exception e)
{
Carto.Utils.Log.Debug("UTFGrid Exception: " + e.Message);
}
});
}
public static void ConfigureAnonymousVectorLayers(this MapView map, JsonValue config)
{
// Use the Maps service to configure layers.
// Note that this must be done in a separate thread on Android,
// as Maps API requires connecting to server which is not nice to do in main thread.
System.Threading.Tasks.Task.Run(delegate
{
CartoMapsService service = new CartoMapsService();
service.Username = "******";
// Use VectorLayers
service.DefaultVectorLayerMode = true;
service.Interactive = true;
LayerVector layers = service.BuildMap(Variant.FromString(config.ToString()));
for (int i = 0; i < layers.Count; i++)
{
map.Layers.Add(layers[i]);
}
});
}