void tryCheckingNow()
{
if (CLLocationManager.LocationServicesEnabled == false)
{
Location = null; // location is not known
LocationServicesStatus = LocationServicesStatusEnum.NotAuthorized;
FailureInfo = "Not authorized to use location services (2)";
fireEvents();
return;
}
DateTime timeStarted = DateTime.Now;
Task.Run(async() =>
{
for (; ;)
{
await Task.Delay(100);
if (TimeUpdated != null && TimeUpdated.Value >= timeStarted)
{
// stop listening
// note: events had already been fired
locationManager.StopUpdatingLocation();
return;
}
if (TimeUpdated != null && (DateTime.Now - TimeUpdated.Value).TotalMinutes < 5 && Location != null)
{
// location already known. no need to wait.
fireEvents();
return;
}
if ((DateTime.Now - timeStarted).TotalSeconds > 5)
{
FailureInfo = "Timeout";
fireEvents();
return;
}
}
});
// start listening
locationManager.StartUpdatingLocation();
}
// public IntPtr Handle => throw new NotImplementedException();
public void Start()
{
// you can set the update threshold and accuracy if you want:
//locationManager.DistanceFilter = 10d; // move ten meters before updating
//locationManager.HeadingFilter = 3d; // move 3 degrees before updating
// you can also set the desired accuracy:
mLocationManager.DesiredAccuracy = 1000; // 1000 meters/1 kilometer
// you can also use presets, which simply evalute to a double value:
//locationManager.DesiredAccuracy = CLLocation.AccuracyNearestTenMeters;
mLocationManager.Delegate = this;
mLocationManager.RequestWhenInUseAuthorization();
if (CoreLocation.CLLocationManager.LocationServicesEnabled)
{
mLocationManager.StartUpdatingLocation();
}
if (CoreLocation.CLLocationManager.HeadingAvailable)
{
mLocationManager.StartUpdatingHeading();
}
}
