Can't get data with await

[bubnenkoff]

import 'package:flutter/material.dart';
import 'package:get/get.dart';

import 'package:multiselect_dropdown_flutter/multiselect_dropdown_flutter.dart';

void main() {
  runApp(const MyApp());
}

class Controller extends GetxController {

  var names = <Map<String, dynamic>>[].obs;

  @override
  void onInit() {
    super.onInit();
    fetchDataFromNetwork();
  }

  Future<void> fetchDataFromNetwork() async {
    // Эмулируем задержку, как будто данные загружаются из сети
    await Future.delayed(Duration(seconds: 1));

    // Получаем данные (в данном случае, данные получаются с сервера)
    final List<Map<String, dynamic>> data = [
      {'id': 'dog', 'label': 'Dog'},
      {'id': 'cat', 'label': 'Cat'},
      {'id': 'mouse', 'label': 'Mouse'},
      {'id': 'rabbit', 'label': 'Rabbit'},
    ];

    names.assignAll(data);
  }
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'MultiSelect Dropdown demo',
      home: MultiSelectExample(),
    );
  }
}

class MultiSelectExample extends StatelessWidget {

  const MultiSelectExample({super.key});

  @override
  Widget build(BuildContext context) {

    final Controller ctrl = Get.put(Controller());

    return Scaffold(
      body: Padding(
        padding: const EdgeInsets.all(20),
        child: Column(
          children: [
            MultiSelectDropdown(
              list: ctrl.names,
              initiallySelected: const [],
              onChange: (newList) {
                // your logic
                // typically setting state
              },
              numberOfItemsLabelToShow: 2, // label to be shown for 2 items
              whenEmpty:
                  'Choose from the list', // text to show when selected list is empty
            ),
          ],
        ),
      ),
    );
  }
}

pubspec.yaml:

dependencies:
  flutter:
    sdk: flutter
  multiselect_dropdown_flutter: ^0.0.7
  get: ^5.0.0-release-candidate-4

result: can't select anything from dropdown like it have no any data.

[bubnenkoff]

it seems that widget do not check data update\changes

[AkshayAvhad23]

Populating data from network, and dropdown shows no values or what so ever. Checked for state refresh as well. State refresh call is given and it's not showing any data.