PHELAT

class MainActivity : FragmentResultActivity() {
    // You can use updateNavHostFragmentId function to update
    // nav host fragment's id at runtime.
    override fun getNavHostFragmentId(): Int = R.id.nav_host_fragment
}

PHELAT

// This is an extension function on Fragment
import com.phelat.navigationresult.navigateUp

class FragmentB : Fragment() {
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        anotherButton.setOnClickListener {
            val bundle = Bundle().apply {
                putBoolean(IS_LOG_IN_SUCCESSFUL, true)
            }

PHELAT

class FragmentA : BundleFragment() {
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        myButton.setOnClickListener {
            navigate(FragmentADirections.fragmentAToFragmentB(), REQUEST_CODE)
            // If you aren't using SafeArgs plugin, you can navigate with direction id
            navigate(R.id.fragmentAToFragmentB, REQUEST_CODE)
        }
    }
    override fun onFragmentResult(requestCode: Int, bundle: Bundle) {

PHELAT

class FragmentA : BundleFragment() {
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        myButton.setOnClickListener {
            navigate(FragmentADirections.fragmentAToFragmentB(), REQUEST_CODE)
            // If you aren't using SafeArgs plugin, you can navigate with direction id
            navigate(R.id.fragmentAToFragmentB, REQUEST_CODE)
        }
    }
    companion object {

PHELAT

class FragmentA : BundleFragment() {
    ...
}