Co'tines NavDirections consumption

CoroutineActivity

class Activity : AppCompatActivity {

  private val navController: NavController by lazy(NONE) { findNavController(R.id.host) }
  private val viewModel: CoroutineViewModel by viewModels()
  
  fun onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    
    viewModel
      .navDirections
      .onEach { navController.navigate(it) }
      .launchIn(lifecycleScope)
  }
}

CoroutineViewModel.kt

class CoroutineViewModel : ViewModel() {
  
  private val _navDirections: Channel<NavDirections> = Channel(CONFLATED)
  val navDirections: Flow<NavDirections> get() = _navDirections.receiveAsFlow()
  
  fun onButtonClick() {
    _navDirections.offer(activityNavDirection())
  }