Get current location of the device using Xamarin Mobile component. This uses dependency service in Xamarin Forms. This version fixes the TaskCancelledException you generally get on Android.

GetCurrentLocationAndroid.cs

 public class GetCurrentLocationAndroid : IGetCurrentLocation
    {
        /// <summary>
        /// Instance of the Geoloactor
        /// </summary>
        private Geolocator _locator;

        /// <summary>
        /// The get current location.
        /// </summary>
        /// <returns>
        /// The <see cref="Task"/>.
        /// </returns>
        public async Task<LocationCoordinates> GetCurrentLocation()
        {
            System.EventHandler<PositionEventArgs> handler = null;
            var result = new LocationCoordinates();
            var tcs = new TaskCompletionSource<LocationCoordinates>();
            this._locator = new Geolocator(Forms.Context) { DesiredAccuracy = 10 };

            try
            {
                if (!this._locator.IsListening)
                {
                    this._locator.StartListening(1, 1);
                }

                handler = async (object sender, PositionEventArgs e) =>
                {
                    result.Status = e.Position.Timestamp;
                    result.Latitude = e.Position.Latitude;
                    result.Longitude = e.Position.Longitude;
                    result.Accuracy = e.Position.Accuracy;

                    _locator.PositionChanged -= handler;
                    tcs.SetResult(result);
                };
                this._locator.PositionChanged += handler;

                await this._locator.GetPositionAsync(timeout: 10000).ContinueWith(
                    t =>
                    {
                    });
            }
            catch (System.Exception ex)
            {
                if (ex.InnerException.GetType().ToString() == "Xamarin.Geolocation.GeolocationException")
                {
                    tcs.SetException(ex);
                }
                else
                {
                    tcs.SetException(ex);
                }
            }
            return tcs.Task.Result;
        }
    }