public bool StartTracking ()
{
if (_manager != null && !_trackingStarted) {
_startTime = DateTime.UtcNow;
_currentLocation = new GPSCoordinate ();
_manager.StartUpdatingLocation ();
if (new Version (UIDevice.CurrentDevice.SystemVersion).Major > 7)
_manager.RequestAlwaysAuthorization ();
_trackingStarted = true;
return true;
}
return false;
}
public bool UpdateLocation (int timeout)
{
bool result = false;
if (_manager != null) {
DateTime lastTime = DateTime.Now;
while (lastTime.AddSeconds (timeout) > DateTime.Now) {
CLLocation location = _manager.Location;
if (location != null) {
DateTime time = DateTime.SpecifyKind (location.Timestamp, DateTimeKind.Unspecified);
if (DateTime.UtcNow < time.AddMinutes (5)) {
_currentLocation = new GPSCoordinate (location.Coordinate.Latitude, location.Coordinate.Longitude, time);
result = true;
break;
}
}
}
}
return result;
}
void RefreshCurrentLocation()
{
if (System.DateTime.Now > _lastRequest.AddSeconds(DEFAULT_TIMEOUT))
_current = _provider.CurrentLocation;
}
