ryanlowdermilk / vectortileswithxamarinmaps Goto Github PK

        string key = $"{x}_{y}";

        if (MapStore.XY.ContainsKey(key))
        {
            return false;
        }
        else
        {
            MapStore.XY.Add(key, true);
        }

        Assembly assembly = GetType().GetTypeInfo().Assembly;

        var stringUrl = $"http://MySomeServicePlaceholder/maps/v1/myKey/map_tile/v14_0_z4_ind/{t.Z}/{t.X}/{t.Y}.pbf";

        Uri URL = new Uri(stringUrl);

        using (var client = new HttpClient())
        {
            var requestMessage = new HttpRequestMessage(HttpMethod.Get, URL);
            var responseMessage = await client.SendAsync((requestMessage));
            var responseData = await responseMessage.Content.ReadAsStreamAsync();
            if (responseData != null && responseData.Length > 0)
            {
                var layerInfos = VectorTileParser.Parse(responseData);

                if (layerInfos.Count == 0)
                    return false;

                var fc = layerInfos[0]?.ToGeoJSON(x, y, t.Z);

                foreach (var geo in fc.Features)
                {
                    var lng1 = ((GeoJSON.Net.Geometry.GeographicPosition)((GeoJSON.Net.Geometry.Point)geo.Geometry).Coordinates).Longitude;
                    var lat1 = ((GeoJSON.Net.Geometry.GeographicPosition)((GeoJSON.Net.Geometry.Point)geo.Geometry).Coordinates).Latitude;
                    m.Pins.Add(new Pin() { Position = new Position(lat1, lng1), Label = $"{lng1},{lat1}" });
                }
            }
            else
                return false;
        }
        return true;
    }