Import inital de l'application mobile Xamarin

BookAStar/BookAStar/GeocoderPage.cs

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+using System;
+using Xamarin.Forms;
+using Xamarin.Forms.Maps;
+
+namespace NightFlash
+{
+	public class GeocoderPage : ContentPage
+	{
+		Geocoder geoCoder;
+		Label l = new Label ();
+
+		public GeocoderPage ()
+		{
+			geoCoder = new Geocoder ();
+
+			var b1 = new Button { Text = "Reverse geocode '37.808, -122.432'" };
+			b1.Clicked += async (sender, e) => {
+				var fortMasonPosition = new Position (37.8044866, -122.4324132);
+				var possibleAddresses = await geoCoder.GetAddressesForPositionAsync (fortMasonPosition);
+				foreach (var a in possibleAddresses){
+					l.Text += a + "\n";
+				}
+			};
+
+			var b2 = new Button { Text = "Geocode '394 Pacific Ave'" };
+			b2.Clicked += async (sender, e) => {
+				var xamarinAddress = "394 Pacific Ave, San Francisco, California";
+				var approximateLocation = await geoCoder.GetPositionsForAddressAsync (xamarinAddress);
+				foreach (var p in approximateLocation) {
+					l.Text += p.Latitude + ", " + p.Longitude + "\n";
+				}
+			};
+
+			Content = new StackLayout {
+				Padding = new Thickness (0, 20, 0, 0),
+				Children = {
+					b2,
+					b1,
+					l
+				}
+			};
+		}
+	}
+}