diff options
Diffstat (limited to 'Xamarin.Forms.Maps.WinRT.Tablet/GeocoderBackend.cs')
-rw-r--r-- | Xamarin.Forms.Maps.WinRT.Tablet/GeocoderBackend.cs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Xamarin.Forms.Maps.WinRT.Tablet/GeocoderBackend.cs b/Xamarin.Forms.Maps.WinRT.Tablet/GeocoderBackend.cs new file mode 100644 index 00000000..565182d4 --- /dev/null +++ b/Xamarin.Forms.Maps.WinRT.Tablet/GeocoderBackend.cs @@ -0,0 +1,52 @@ +using System; +using System.Collections.Generic; +using System.Threading.Tasks; +using Bing.Maps; +using Bing.Maps.Search; + +namespace Xamarin.Forms.Maps.WinRT +{ + internal class GeocoderBackend + { + public static void Register() + { + Geocoder.GetPositionsForAddressAsyncFunc = GetPositionsForAddress; + Geocoder.GetAddressesForPositionFuncAsync = GetAddressesForPositionAsync; + } + + static async Task<IEnumerable<string>> GetAddressesForPositionAsync(Position position) + { + var results = new List<string>(); + var source = new TaskCompletionSource<IEnumerable<string>>(); + var requestOptions = new ReverseGeocodeRequestOptions(new Location(position.Latitude, position.Longitude)); + var response = + await + new Bing.Maps.Map { Credentials = FormsMaps.AuthenticationToken }.SearchManager.ReverseGeocodeAsync(requestOptions); + if (!response.HasError) + { + foreach (var address in response.LocationData) + results.Add(address.Address.FormattedAddress); + } + + return results; + } + + static async Task<IEnumerable<Position>> GetPositionsForAddress(string s) + { + var results = new List<Position>(); + + if (string.IsNullOrEmpty(s)) + return results; + + var requestOptions = new GeocodeRequestOptions(s); + var response = + await new Bing.Maps.Map { Credentials = FormsMaps.AuthenticationToken }.SearchManager.GeocodeAsync(requestOptions); + if (!response.HasError) + { + foreach (var address in response.LocationData) + results.Add(new Position(address.Location.Latitude, address.Location.Longitude)); + } + return results; + } + } +}
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