public async Task<VenuesResponse> GetVenues(string query, GeoCoords coords)
		{
			var v = DateTime.Now.ToString("yyyyMMdd");

			var ll = string.Format("{0},{1}", coords.Latitude, coords.Longitude);

			var url = string.Format(@"https://api.foursquare.com/v2/venues/search?ll={0}&query={1}&client_id={2}&client_secret={3}&v={4}", ll, query, _CLIENT_ID, _CLIENT_SECRET, v);

			var client = new HttpClient();
			var response = await client.GetStringAsync(url);

			JObject o = JObject.Parse(response);

			return await Task.Factory.StartNew(() => JsonConvert.DeserializeObject<VenuesResponse>(o["response"].ToString()));
		}
		public async Task<CoffeeRadar.Core.Models.GeoCoords> GetGeoCoordinatesAsync ()
		{
			try
			{
			var locator = new Geolocator() {DesiredAccuracy = 30};
			var position = await locator.GetPositionAsync(30000);

			var result = new GeoCoords
			{
				Latitude = position.Latitude,
				Longitude = position.Longitude
			};

			return result;
			}
			catch (Exception e) 
			{

			}

			return null;
		}