     var selectedDevice : ParticleDevice? = nil
     var refreshControlAdded : Bool = false
 
-    private var showMesh: Bool?
-    
-    
     override func didReceiveMemoryWarning() {
         super.didReceiveMemoryWarning()
         // Dispose of any resources that can be recreated.

    override func viewDidDisappear(_ animated: Bool) {
        super.viewDidDisappear(animated)
        LDClient.sharedInstance().stop()
    }

    func featureFlagDidUpdate(_ key: String!) {
        if (key == "temp-mesh-in-mobile") {
            showMesh = LDClient.sharedInstance().boolVariation("temp-mesh-in-mobile", fallback: false)
        } else {
            NSLog("\(key) = \(LDClient.sharedInstance().boolVariation(key, fallback: false))")
        }
    }

    func showTutorial() {

        }
        LDClient.sharedInstance().start(config, with: ldUserBuilder)
        LDClient.sharedInstance().delegate = self

        //lets trigger these early
        NSLog("temp-xenon-in-ios = \(LDClient.sharedInstance().boolVariation("temp-xenon-in-ios", fallback: false))")
