k0siara

class MyViewModel : ViewModel(), ... {

    fun onSomeAction() {
        viewModelScope.launch {
            ...
            val dialogResult = showTryAgainDialog(data = ...)
            ...
        }
    }
}

k0siara

class HomeFragment : Fragment(R.layout.home_fragment) {

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

        findNavController()
            .currentBackStackEntry
            ?.savedStateHandle
            ?.getLiveData<String>("my-result-key")
            ?.observe(viewLifecycleOwner) { result ->

k0siara

class MyDialogFragment : DialogFragment() {
    
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        AlertDialog.Builder(requireContext())
            .setMessage(getString(R.string.order_confirmation))
            .setPositiveButton(getString(R.string.ok)) { _, _ ->
                findNavController()
                    .previousBackStackEntry
                    ?.savedStateHandle?.set("my-result-key", "example-data")
            }

k0siara

class MainActivity : FragmentActivity(),
    NoticeDialogFragment.NoticeDialogListener,
    SecondDialogFragment.Listener,
    ThirdDialogFragment.Listener {

    private val viewModel by ...

    fun showNoticeDialog() {
        val dialog = NoticeDialogFragment()
        dialog.show(supportFragmentManager, "NoticeDialogFragment")

k0siara

class NoticeDialogFragment : DialogFragment() {
    internal lateinit var listener: NoticeDialogListener

    interface NoticeDialogListener {
        fun onDialogPositiveClick(dialog: DialogFragment)
        fun onDialogNegativeClick(dialog: DialogFragment)
    }

    override fun onAttach(context: Context) {
        super.onAttach(context)

k0siara

class MyFragment : Fragment(R.layout.my_layout) {

    fun onSomeAction() {
        coroutineScope.launch {
            // Code A

            when (val dialogResult = showDialogAndAwaitResult()) {
                DialogResult.Ok -> {
                    // Code C
                }

k0siara

class MyFragment : Fragment(R.layout.my_layout) {

    fun onSomeAction() {
        // Code A

        showDialog(
            onOkClicked = { ... },
            onCancelClicked = { ... }
        )

k0siara

class HomeFragment : Fragment(R.layout.home_fragment) {

    private val binding by viewBinding<HomeFragmentBinding>()

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

        binding.button.setOnClickListener {
            findNavController().navigate(HomeFragmentDirections.toMyDialog())
        }

k0siara

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/home_nav_graph"
    app:startDestination="@id/homeFragment">

    <fragment
        android:id="@+id/homeFragment"
        android:name="org.example.HomeFragment"

k0siara

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_nav_graph"
    app:startDestination="@id/startDestinationFragment">

    ...  

    <include app:graph="@navigation/my_dialog_nav_graph" />