InjectingNavHostFragment.kt

class InjectingNavHostFragment : NavHostFragment() {

    @Inject
    protected lateinit var daggerFragmentInjectionFactory: InjectingFragmentFactory

    override fun onAttach(context: Context) {
        AndroidSupportInjection.inject(this)
        super.onAttach(context)
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        childFragmentManager.fragmentFactory = daggerFragmentInjectionFactory
        super.onCreate(savedInstanceState)
    }
}