NotificationFragment.kt

class NotificationsFragment : Fragment() {

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_notifications, container, false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        setupViews()
    }

    fun setupViews()
    {
        btnNotificationDetails.setOnClickListener {
            findNavController().navigate(R.id.action_notificationsFragment_to_notificationDetailsFragment)
        }
    }
}