1 files changed, 36 insertions, 0 deletions
diff --git a/Xamarin.Forms.Maps.Android/GeocoderBackend.cs b/Xamarin.Forms.Maps.Android/GeocoderBackend.cs
new file mode 100644
index 00000000..34a08b0a
--- /dev/null
+++ b/Xamarin.Forms.Maps.Android/GeocoderBackend.cs
@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Android.Content;
+using Android.Locations;
+using AGeocoder = Android.Locations.Geocoder;
+
+namespace Xamarin.Forms.Maps.Android
+{
+	internal class GeocoderBackend
+	{
+		public static void Register(Context context)
+		{
+			Geocoder.GetPositionsForAddressAsyncFunc = GetPositionsForAddressAsync;
+			Geocoder.GetAddressesForPositionFuncAsync = GetAddressesForPositionAsync;
+		}
+
+		public static async Task<IEnumerable<Position>> GetPositionsForAddressAsync(string address)
+		{
+			var geocoder = new AGeocoder(Forms.Context);
+			IList<Address> addresses = await geocoder.GetFromLocationNameAsync(address, 5);
+			return addresses.Select(p => new Position(p.Latitude, p.Longitude));
+		}
+
+		public static async Task<IEnumerable<string>> GetAddressesForPositionAsync(Position position)
+		{
+			var geocoder = new AGeocoder(Forms.Context);
+			IList<Address> addresses = await geocoder.GetFromLocationAsync(position.Latitude, position.Longitude, 5);
+			return addresses.Select(p =>
+			{
+				IEnumerable<string> lines = Enumerable.Range(0, p.MaxAddressLineIndex + 1).Select(p.GetAddressLine);
+				return string.Join("\n", lines);
+			});
+		}
+	}
+}
+\ No newline at end of file