override func viewWillAppear(_ animated: Bool) {
        UIApplication.shared.isStatusBarHidden = true
    }
    override func viewWillDisappear(_ animated: Bool) {
        UIApplication.shared.isStatusBarHidden = false
    }

    override var prefersStatusBarHidden: Bool{
        return true
    }
    

override var preferredStatusBarStyle: UIStatusBarStyle{
        return UIStatusBarStyle.lightContent
}