/// <summary>
/// Gets the last known and most accurate location.
/// This is usually cached and best to display first before querying for full position.
/// </summary>
/// <returns>Best and most recent location or null if none found</returns>
public async Task <Position> GetLastKnownLocationAsync()
{
var hasPermission = await CheckWhenInUsePermission();
if (!hasPermission)
{
throw new GeolocationException(GeolocationError.Unauthorized);
}
Location bestLocation = null;
foreach (var provider in Providers)
{
var location = Manager.GetLastKnownLocation(provider);
if (location != null && GeolocationUtils.IsBetterLocation(location, bestLocation))
{
bestLocation = location;
}
}
return(bestLocation?.ToPosition());
}
void Finish(Android.Locations.Location location)
{
_finishedCallback?.Invoke();
_tcs.TrySetResult(location.ToPosition());
}
