private async void ShowWeather ()
		{
			var manager = new WeatherManager ();
			var result = await manager.GetUpdatedWeather ("http://api.geonames.org/findNearByWeatherJSON?lat=-36.851193&lng=174.761510&username=demo");
			//			var result = await manager.GetUpdatedWeather (" http://www.mocky.io/v2/5609f41a95e00ca50798127d");
			TextView weatherTextView = FindViewById<TextView> (Resource.Id.weatherTextView);

			weatherTextView.Text = result.ToString ();
		}
		private async void ShowWeather ()
		{
			var manager = new WeatherManager ();
			var result = await manager.GetUpdatedWeather ("http://api.geonames.org/findNearByWeatherJSON?lat=-36.851193&lng=174.761510&username=demo");
			//			var result = await manager.GetUpdatedWeather (" http://www.mocky.io/v2/5609f41a95e00ca50798127d");
			if (result != null) {
				WeatherInfoLabel.Text = result.ToString ();
			} else {
				WeatherInfoLabel.Text = "Error";
			}
		}