flutterViewController

[[

FlutterViewController

alloc

initWithProject

nil

initialRoute:

@"/onboarding"

nibName:

nil

bundle:

nil

];

pushRoute()
  or

popRoute() on the

To pop the iOS route from the Flutter side,
  call SystemNavigator.pop().

See Navigation and routing for more about Flutter’s routes.

Other

The previous example only illustrates a few ways to customize
how a Flutter instance is initiated. Using platform channels,
you’re free to push data or prepare your Flutter environment
in any way you’d like, before presenting the Flutter UI using a
FlutterViewController.