How to get a reference of the current fragment about fragula HOT 3 CLOSED

private var mainScreen: MainScreen? = null

binding.fragulaNavHostFragment.getFragment<NavHostFragment>().also {
            swipeController = it.findSwipeController()
            fragulaNavController = it.navController
            val swipeBackFragment = it.childFragmentManager.fragments.first()
            swipeBackFragment.childFragmentManager.registerFragmentLifecycleCallbacks(object : FragmentManager
            .FragmentLifecycleCallbacks() {
                override fun onFragmentCreated(fm: FragmentManager, fragment: Fragment, savedInstanceState: Bundle?) {
                    if (fragment is MainScreen) {
                        mainScreen = fragment
                    }
                }
            }, false)
        }