//FIRST FRAGMENT

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

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        val staffName = view.findViewById<TextView>(R.id.staffName)
        val staffSurname = view.findViewById<TextView>(R.id.staffSurname)
        val sharedPreferences = activity?.getSharedPreferences("myPrefs", Context.MODE_PRIVATE)
        staffName?.text = sharedPreferences?.getString("StaffName", "Имя")
        staffSurname?.text = sharedPreferences?.getString("StaffSurname", "Фамилия")
        val exitButton = view.findViewById<Button>(R.id.exitButton)
        exitButton.setOnClickListener {
        FirebaseAuth.getInstance().signOut()
            parentFragmentManager?.beginTransaction()
                ?.replace(R.id.club_placeholder, ProfileFragment.newInstance())
                ?.addToBackStack(null)?.commit()
        }
        val goToStaffData = view.findViewById<ConstraintLayout>(R.id.goToStaffData)
        goToStaffData.setOnClickListener {
            parentFragmentManager?.beginTransaction()
                ?.replace(R.id.club_placeholder, StaffDataFragment.newInstance())
                ?.addToBackStack(null)?.commit()
        }
        val groupWorkouts = view.findViewById<ConstraintLayout>(R.id.groupWorkouts)
        groupWorkouts.setOnClickListener {
            parentFragmentManager?.beginTransaction()
                ?.replace(R.id.club_placeholder, CreateWorkoutsFragment.newInstance())
                ?.addToBackStack(null)?.commit()
        }
        val goToChangePassword = view.findViewById<ConstraintLayout>(R.id.goToChangePassword)
        goToChangePassword.setOnClickListener{
            parentFragmentManager?.beginTransaction()
                ?.replace(R.id.club_placeholder, ChangePasswordFragment.newInstance())
                ?.addToBackStack(null)?.commit()
        }
    }


    companion object {
        fun newInstance() = StaffProfileFragment()
    }
}

//SECOND FRAGMENT

class StaffDataFragment : Fragment() {
    val sharedPreferences = activity?.getSharedPreferences("myPrefs", Context.MODE_PRIVATE)

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

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

        val switch: Switch = view.findViewById(R.id.staffDataSwtcher)
        val editTextName: EditText = view.findViewById(R.id.editTextStaffName)
        val editTextSurname: EditText = view.findViewById(R.id.editTextStaffSurname)
        val backButton: TextView = view.findViewById(R.id.staffDataBackButton)
        editTextName.isEnabled = false
        editTextSurname.isEnabled = false

        backButton.setOnClickListener{
            parentFragmentManager?.beginTransaction()
                ?.replace(R.id.club_placeholder, StaffProfileFragment.newInstance())
                ?.commit()
        }

        switch.setOnCheckedChangeListener { _, isChecked ->
            if (isChecked) {
                // если Switch включен, делаем EditText доступными для ввода
                editTextName.isEnabled = true
                editTextSurname.isEnabled = true
            } else {
                // если Switch выключен, делаем EditText недоступными для ввода
                editTextName.isEnabled = false
                editTextSurname.isEnabled = false
            }
        }

        val saveButton: Button = view.findViewById(R.id.saveStaffDataName)
        saveButton.setOnClickListener {
            val name = editTextName.text.toString()
            val surname = editTextSurname.text.toString()

            
            val editor = sharedPreferences?.edit()
            editor?.putString("StaffName", name)
            editor?.putString("StaffSurname", surname)
            editor?.apply()

            
            switch.isChecked = false
            editTextName.isEnabled = false
            editTextSurname.isEnabled = false
        }
    }

    companion object {
        fun newInstance() = StaffDataFragment()
    }
}

当我在EditText中输入片段上的数据并使用名和姓并单击保存按钮时，数据应该保存在SharedPreferences中，然后在上一个片段上，这些数据应该显示在TextView中
但无论我如何尝试获取这些数据，默认数据仍然存在。我也尝试在onResume和onStart中获取这些数据，但一切都保持不变