private void SetDeferrment()
{
if (ReportInterval == 1000 && MovementThreshold > 0)
{
#if __IOS__
_manager.DisallowDeferredLocationUpdates();
#endif
if (MovementThreshold > 0)
{
_manager.DistanceFilter = MovementThreshold;
}
else
{
_manager.DistanceFilter = CLLocationDistance.FilterNone;
}
}
else
{
if (!isDeferred
#if __IOS__
&& _manager.AllowsBackgroundLocationUpdates
#endif
)
{
_manager.DistanceFilter = CLLocationDistance.FilterNone;
double dist = MovementThreshold == 0.0 ? CLLocationDistance.MaxDistance : MovementThreshold;
#if __IOS__
_manager.AllowDeferredLocationUpdatesUntil(dist, ReportInterval / 1000);
#endif
isDeferred = true;
}
}
}
private void ClManager_LocationsUpdated(object sender, CLLocationsUpdatedEventArgs e)
{
_lastLocation = DateTime.Now;
_batteryHelper.CheckStoreBatteryLevel(TimeSpan.FromMinutes(10));
if (!_locationsDeferred && _currentCoreLocationProfile.AllowDeferredLocationUpdates)
{
_clManager.AllowDeferredLocationUpdatesUntil(_currentCoreLocationProfile.DeferredLocationUpdatesDistance,
_currentCoreLocationProfile.DeferredLocationUpdatesTimeout);
}
foreach (CLLocation l in e.Locations)
{
PositionEntry p = l.ToPosition();
p.DesiredAccuracy = _clManager.DesiredAccuracy;
_positionCache.Distance = _currentProfile.DistanceDeltaLowTracking;
_positionCache.Add(p);
p.DistanceBetweenPreviousPosition = _positionCache.PreviousDistance;
// Check if new position is around the same location using distance and time period
if (_positionCache.Check(TimeSpan.FromSeconds(_currentProfile.TimePeriodLowTracking)))
{
// Enable Low Tracking if not already enabled
if (_currentCoreLocationProfile != _currentProfile.LowTrackingProfile)
{
Log.Info("LowTracking");
MonitorCurrentRegion(p.Latitude, p.Longitude, 100, "StopRegion");
_currentCoreLocationProfile = _currentProfile.LowTrackingProfile;
ApplyCoreLocationProfile(_currentCoreLocationProfile);
}
}
else if (_currentCoreLocationProfile != _currentProfile.HighTrackingProfile)
{
Log.Info("HighTracking");
_currentCoreLocationProfile = _currentProfile.HighTrackingProfile;
ApplyCoreLocationProfile(_currentCoreLocationProfile);
}
// Do not store location twice if it has exact same properties.
if (!p.Equals(previousPositionEntry))
{
_positionEntryRepo.Add(p);
}
previousPositionEntry = p;
}
}
public override void LocationsUpdated(CLLocationManager manager, CLLocation[] locations)
{
if (this.Request?.ThrottledInterval == null)
{
this.InvokeChanges(locations);
}
else if (!this.deferringUpdates)
{
manager.AllowDeferredLocationUpdatesUntil(0, this.Request.ThrottledInterval.Value.TotalMilliseconds);
this.deferringUpdates = true;
this.InvokeChanges(locations);
}
}
public LocationManager_iOS()
{
_locationManager = new CLLocationManager
{
PausesLocationUpdatesAutomatically = false,
AllowsBackgroundLocationUpdates = true,
DistanceFilter = 15,
Delegate = new LocationManager_Delegate(this),
DesiredAccuracy = CLLocation.AccuracyBest,
ActivityType = CLActivityType.OtherNavigation,
ShowsBackgroundLocationIndicator = false
};
_locationManager.AllowDeferredLocationUpdatesUntil(10, 120);
}
void OnLocationsUpdated(object sender, CLLocationsUpdatedEventArgs e)
{
foreach (CLLocation location in e.Locations)
{
UpdatePosition(location);
}
// defer future location updates if requested
if ((listenerSettings?.DeferLocationUpdates ?? false) && !deferringUpdates && CanDeferLocationUpdate)
{
manager.AllowDeferredLocationUpdatesUntil(listenerSettings.DeferralDistanceMeters == null ? CLLocationDistance.MaxDistance : listenerSettings.DeferralDistanceMeters.GetValueOrDefault(),
listenerSettings.DeferralTime == null ? CLLocationManager.MaxTimeInterval : listenerSettings.DeferralTime.GetValueOrDefault().TotalSeconds);
deferringUpdates = true;
}
}
static async void OnLocationsUpdated(object sender, CLLocationsUpdatedEventArgs e)
{
foreach (var Location in e.Locations)
{
await UpdatePosition(Location);
}
// defer future DeviceLocation updates if requested
if ((CurrentTrackingSettings?.DeferLocationUpdates == true) && !IsDeferringUpdates && CanDeferLocationUpdate)
{
Manager.AllowDeferredLocationUpdatesUntil(
CurrentTrackingSettings.MovementThreshold,
CurrentTrackingSettings.DeferralTime?.TotalSeconds ?? CLLocationManager.MaxTimeInterval);
IsDeferringUpdates = true;
}
}
public override void LocationsUpdated(CLLocationManager manager, CLLocation[] locations)
{
if (this.Request?.ThrottledInterval == null && this.Request?.MinimumDistance == null)
{
this.InvokeChanges(locations);
}
else if (!this.deferringUpdates)
{
#if __IOS__
manager.AllowDeferredLocationUpdatesUntil(
this.Request.MinimumDistance?.TotalMeters ?? 0,
this.Request.ThrottledInterval?.TotalSeconds ?? 0
);
#endif
this.deferringUpdates = true;
this.InvokeChanges(locations);
}
}
//SERVICE FUNCTIONS
public void Start(int interval)
{
locationManager = new CLLocationManager();
locationManager.PausesLocationUpdatesAutomatically = false;
locationManager.RequestAlwaysAuthorization();
locationManager.AllowsBackgroundLocationUpdates = true;
if (CLLocationManager.LocationServicesEnabled)
{
//set the desired accuracy, in meters
locationManager.DesiredAccuracy = CLLocation.AccurracyBestForNavigation;
locationManager.DistanceFilter = CLLocationDistance.FilterNone;
var locationDelegate = new MyLocationDelegate();
locationManager.Delegate = locationDelegate;
locationManager.AllowDeferredLocationUpdatesUntil(CLLocationDistance.MaxDistance, interval);
locationManager.StartUpdatingLocation();
locationManager.StartMonitoringSignificantLocationChanges();
//locationDelegate.StartTimer(interval);
}
}
