How to get Address from Lat Long - google-maps

Question

Hello i am creating App for iOS and Android. The issue i want to fix that on the load on page i want to display the map with the address. I can get Lat Long successfully but i cannot getting address that i want to display on a label. Below is my code that i am using.
using Plugin.Geolocator;
using Xamarin.Forms.Maps;
private Position _position;
// Map map;
double Lat, Long;
string address = "";
public TestPage()
{
NavigationPage.SetHasNavigationBar(this, false);
InitializeComponent();
GetPosition();
if (_position != null)
{
Lat = _position.Latitude;
Long = _position.Longitude;
}
//Task<String> str = GetAddress();
map.MoveToRegion(MapSpan.FromCenterAndRadius(new Position(Lat, Long), Distance.FromMiles(1)));
var position = new Position(Lat, Long);
var pin = new Pin
{
Type = PinType.Place,
Position = position,
Label = ""
};
map.Pins.Add(pin);
var zoomLevel = 17.83;
var latlongdegrees = 360 / (Math.Pow(2, zoomLevel));
map.MoveToRegion(new MapSpan(position, latlongdegrees, latlongdegrees));
LabelTime.Text = DateTime.Now.ToString("hh:mm tt") + " " + DateTime.Now.ToString("MM/dd/yyyy");
string recentAddress = address; // trying to get adderss for location
}
GetPosition()
public async void GetPosition()
{
Plugin.Geolocator.Abstractions.Position position = null;
try
{
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 100.0;
position = await locator.GetLastKnownLocationAsync();
if (position != null)
{
_position = new Position(position.Latitude, position.Longitude);
//got a cahched position, so let's use it.
return;
}
if (!locator.IsGeolocationAvailable || !locator.IsGeolocationEnabled)
{
//not available or enabled
return;
}
position = await locator.GetPositionAsync(TimeSpan.FromSeconds(10), null, true);
}
catch (Exception ex)
{
// error(ex.Message, Convert.ToString(ex.InnerException), ex.Source, ex.StackTrace);
}
_position = new Position(position.Latitude, position.Longitude);
if (position == null)
return;
}
GetAddress()
public async Task<String> GetAddress()
{
// string Addrsss = "";
try
{
Geocoder geoCoder = new Geocoder();
if (_position != null)
{
var possibleAddresses = await geoCoder.GetAddressesForPositionAsync(_position);
await Task.Delay(2000);
foreach (var a in possibleAddresses)
{
address += a + "\n";
}
}
return address;
}
catch (Exception ex)
{
throw;
}
}
I also try to get the current address on OnAppearing()
protected override void OnAppearing()
{
this.Appearing += TestPage_Appearing; //Subscribe to event
base.OnAppearing();
}
protected async void TestPage_Appearing(object sender, EventArgs args)
{
GetPosition();
address= await GetAddress();
string a = address;
this.Appearing -= TestPage_Appearing; //Unsubscribe
}

Answer 1

You can get placemark address using Xamarin.Essentials as below,
protected async override void OnAppearing()
{
await GetAddress();
}
private async Task GetAddress()
{
var lat = 47.673988;
var lon = -122.121513;
var placemarks = await Geocoding.GetPlacemarksAsync(lat, lon);
var placemark = placemarks?.FirstOrDefault();
if (placemark != null)
{
var geocodeAddress =
$"AdminArea: {placemark.AdminArea}\n" +
$"CountryCode: {placemark.CountryCode}\n" +
$"CountryName: {placemark.CountryName}\n" +
$"FeatureName: {placemark.FeatureName}\n" +
$"Locality: {placemark.Locality}\n" +
$"PostalCode: {placemark.PostalCode}\n" +
$"SubAdminArea: {placemark.SubAdminArea}\n" +
$"SubLocality: {placemark.SubLocality}\n" +
$"SubThoroughfare: {placemark.SubThoroughfare}\n" +
$"Thoroughfare: {placemark.Thoroughfare}\n";
Console.WriteLine(geocodeAddress);
}
}
refer this link for in depth details
Also this one for detailed implementation