val activity = requireActivity() as MainActivity
        val userName = activity.username
        view.findViewById<TextView<(R.id.message).text = userName
        view.findViewById<Button<(R.id.button).setOnClickListener {
            AlertDialog.Builder(requireActivity())
                .setTitle("Hi")
                .setMessage("Have are you")
                .setCancelable(true)
                .setPositiveButton("continue"){_, _ ->
                    activity.replaceFragment(home())
                }
                .setNegativeButton("cancel"){_, _ ->
                }
                .show()
        }