private async Task <SimplyWeatherLocation> GetLastKnownLocation()
{
try
{
Xamarin.Essentials.Location lastKnownLocation = await Geolocation.GetLastKnownLocationAsync();
if (lastKnownLocation != null)
{
return(SimplyWeatherLocation.Known(lastKnownLocation.Latitude, lastKnownLocation.Longitude));
}
}
catch (FeatureNotSupportedException)
{
return(SimplyWeatherLocation.Unavailable());
}
catch (FeatureNotEnabledException)
{
return(SimplyWeatherLocation.Disabled());
}
catch (PermissionException)
{
return(SimplyWeatherLocation.PermissionRequired());
}
catch (Exception e)
{
Debug.WriteLine($"Error retrieving last known location: {e.StackTrace}");
return(SimplyWeatherLocation.Unknown());
}
throw new Exception("Unable to get Last location");
}
private async Task <SimplyWeatherLocation> FetchNewLocation(CancellationTokenSource cts)
{
try
{
var request = new GeolocationRequest(GeolocationAccuracy.Low, TimeSpan.FromSeconds(15));
cts = new CancellationTokenSource();
var location = await Geolocation.GetLocationAsync(request, cts.Token);
if (location != null)
{
Console.WriteLine($"Latitude: {location.Latitude}, Longitude: {location.Longitude}, Altitude: {location.Altitude}");
}
}
catch (FeatureNotSupportedException)
{
return(SimplyWeatherLocation.Unavailable());
}
catch (FeatureNotEnabledException)
{
return(SimplyWeatherLocation.Disabled());
}
catch (PermissionException)
{
return(SimplyWeatherLocation.PermissionRequired());
}
catch (Exception ex)
{
Debug.WriteLine($"Error retrieving location: {ex.StackTrace}");
}
return(SimplyWeatherLocation.Unknown());
}
public async Task <SimplyWeatherLocation> UpdateLocation(CancellationTokenSource cts)
{
SimplyWeatherLocation location = SimplyWeatherLocation.Unavailable();
try
{
location = await GetLastKnownLocation();
}
catch (Exception)
{
Debug.WriteLine("Error retrieving last known location");
}
if (location?.State != LocationState.LocationReady)
{
Debug.WriteLine("Last known location is not available, getting new location");
location = await FetchNewLocation(cts);
}
if (location.State == LocationState.LocationReady)
{
_appPrefs.SetLocationInfo(location);
}
return(location);
}