[Error]

FAIL

var fragmentDialog = ListFragmentDialog().newInstance(
    it,
    type,
    object :
        ListFragmentDialog.OnButtonClickListener {
        override fun onConfirmButtonClicked() {
            when (type) {
                Type.TESTJSON -> setTFieldInfo()
                Type.BUSINESSLOGIC -> loadPaperless()
            }
        }
    }
)

fragmentDialog.show(supportFragmentManager, "ListFragmentDialog")

MainActivity.kt

    private var _binding: FragmentListDialogBinding? = null
    private val binding get() = _binding!!

    private lateinit var _list: Array<String>
    private lateinit var _type: Type
    private lateinit var _listener: OnButtonClickListener


    fun newInstance(
        list: Array<String>,
        type: Type,
        listener: OnButtonClickListener
    ): ListFragmentDialog {
        val args = Bundle()
        val fragment = ListFragmentDialog()
        fragment.arguments = args
        _list = list
        _type = type
        _listener = listener

        return fragment
    }

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        _binding = FragmentListDialogBinding.inflate(inflater, container, false)
        binding.confirm.setOnClickListener {
            _listener?.onConfirmButtonClicked()
            dismiss()
        }

        binding.cancel.setOnClickListener { dismiss() }

        return binding.root
    }

ListFragmentDialog.kt

Error... newInstance 에서 하는데 왜 안될까...?

SUCCESS

var fragmentDialog = ListFragmentDialog().newInstance(
    it,
    type
)
fragmentDialog.setOnButtonClickListener(object :
    ListFragmentDialog.OnButtonClickListener {
    override fun onConfirmButtonClicked() {
        when (type) {
            Type.TESTJSON -> setTFieldInfo()
            Type.BUSINESSLOGIC -> loadPaperless()
        }
    }
})

fragmentDialog.show(supportFragmentManager, "ListFragmentDialog")

MainActivity.kt

    private var _binding: FragmentListDialogBinding? = null
    private val binding get() = _binding!!

    private lateinit var _list: Array<String>
    private lateinit var _type: Type
    private lateinit var _listener: OnButtonClickListener


    fun newInstance(
        list: Array<String>,
        type: Type
    ): ListFragmentDialog {
        val args = Bundle()
        val fragment = ListFragmentDialog()
        fragment.arguments = args
        _list = list
        _type = type

        return fragment
    }

	//setter 로 추가
    fun setOnButtonClickListener(
        listener: OnButtonClickListener
    ) {
        _listener = listener
    }

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        _binding = FragmentListDialogBinding.inflate(inflater, container, false)
        binding.confirm.setOnClickListener {
            _listener?.onConfirmButtonClicked()
            dismiss()
        }

        binding.cancel.setOnClickListener { dismiss() }

        return binding.root
    }

ListFragmentDialog.kt

 

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