 
     weak var delegate: PositionLocationCenterDelegate!
     
-    var distanceFiler: Double! {
+    var distanceFilter: Double! {
         didSet {
             self.updateLocationManagerStateIfNeeded()
         }

    func applicationDidBecomeActive(notification: NSNotification) {
        self.checkAuthorizationStatusForServices()
        
        // if locus is not updating, don't modify state
        if (self.updatingPosition == false) {
            return
        }


    public var distanceFilter: Double! {
        get {
            return self.locationCenter.distanceFilter
        }
        set {
            self.locationCenter.distanceFilter = newValue
        }
    }

