navigation

navigation.kt

    private fun bindNavigationContext() {
        val builder = NavigationContext.Builder(this, navigationFactory)

        val currentFlowFragment = getCurrentFlowFragment()
        
        if (currentFlowFragment is ContainerIdProvider) {
            builder.fragmentNavigation(
                currentFlowFragment.childFragmentManager,
                (currentFlowFragment as ContainerIdProvider).containerId
            )
        }

        if (currentFlowFragment is ScreenSwitcherProvider) {
            builder.screenSwitcher(
                (currentFlowFragment as ScreenSwitcherProvider).screenSwitcher
            )
        }

        builder.flowFragmentNavigation(supportFragmentManager, R.id.screenContainer)
            .transitionListener { _, destinationType: DestinationType, _, _ ->
                if (destinationType == DestinationType.FLOW_FRAGMENT) {
                    bindNavigationContext()
                }
            }
            .screenSwitchingListener {
                bindNavigationContext()
            }
            
        navigationContextBinder.bind(builder.build())
    }