public override void ViewDidLoad()
{
base.ViewDidLoad();
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
string encoded = JsonUtils.GetTorqueQuery();
string url = "http://viz2.cartodb.com/api/v2/sql?q=" + encoded + "&cache_policy=persist";
// Define datasource with the query
HTTPTileDataSource source = new HTTPTileDataSource(0, 14, url);
// Create persistent cache to make it faster
string cacheFile = Utils.GetDocumentDirectory() + "/torque_tile_cache.db";
TileDataSource cacheSource = new PersistentCacheTileDataSource(source, cacheFile);
// Create CartoCSS style from Torque points
CartoCSSStyleSet styleSheet = new CartoCSSStyleSet(JsonUtils.TorqueCartoCSS);
// Create tile decoder and Torque layer
decoder = new TorqueTileDecoder(styleSheet);
tileLayer = new TorqueTileLayer(cacheSource, decoder);
MapView.Layers.Add(tileLayer);
MapView.SetZoom(1, 0);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
string encoded = JsonUtils.GetTorqueQuery();
// Define datasource with the query
string url = "http://viz2.cartodb.com/api/v2/sql?q=" + encoded + "&cache_policy=persist";
HTTPTileDataSource source = new HTTPTileDataSource(0, 14, url);
// Create persistent cache to make it faster
string cacheFile = GetExternalFilesDir(null) + "torque_tile_cache.db";
TileDataSource cacheSource = new PersistentCacheTileDataSource(source, cacheFile);
// Create CartoCSS style from Torque points
CartoCSSStyleSet styleSheet = new CartoCSSStyleSet(JsonUtils.TorqueCartoCSS);
// Create tile decoder and Torque layer
decoder = new TorqueTileDecoder(styleSheet);
tileLayer = new TorqueTileLayer(cacheSource, decoder);
MapView.Layers.Add(tileLayer);
MapView.SetZoom(1, 0);
}
