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Flutter Getx route argument data is lost when hot reload

Question might be misleading, but I’m currently working on a project where I use Get.toNamed a lot and I’m sending some data every time. But, when I hot reload the changes I get

════════ Exception caught by widgets library ═══════════════════════════════════
type 'Null' is not a subtype of type `int`

and I’m changing route with

onTap: () {
    print(_sliderValue);
    Get.toNamed('/stations/detail/booking', arguments: {
        'duration': _sliderValue,
    });
},

Is there any proper way of not losing data while routing between pages or hot reload?

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2

Answers


  1. 0

    This may be because the variable is private with the underscore.

    Try sliderValue instead of _sliderValue

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  2. 0

    Im always using Get.toNamed to send arguments but never found issue like this soo maybe you can try this

    You can route to page by SecondPage.show(somethingId : 'id#0');

    class SecondPage extends StatelessWidget {
  static String get name => '/second-page';

  const SecondPage({Key? key}) : super(key: key);

  static Future<void> show({
    required String somethingId,
  }) async {
    await Get.toNamed(
      name,
      arguments: {
        'somethingId': somethingId,
      },
    );
  }

  @override
  Widget build(BuildContext context) {
   ....
  }

    and in controller

    class SecondPageController extends GetxController {
  @override
  void onInit() async {
    somethingId.value = Get.arguments['somethingId'] ?? '';

    super.onInit();
  }

  final somethingId = ''.obs;
}
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