sample16.swift

//internet connection
        UHBConnectivityManager.shared().registerCallBack({ [weak self] (status:
ConnectivityManagerConnectionStatus) in
            if status == ConnectivityManagerConnectionStatusConnected {
                print("Internet connected")
                SocketManager.sharedInstance.reconnect()
 
                self?.alertVC.dismiss(animated: true, completion: nil)
 
            } else {
                print("No connection")
                SocketManager.sharedInstance.closeConnection()
 
                VCManager.sharedInstance.topViewController()?.present((self?.alertVC)!, animated: true, completion: nil)
             }
        }, forIdentifier: self.memoryAddress())