Fetching State

A small package that helps easily to work with UI changes base on the state of fetching remote data

Features

• Get rid of if else statements in UI
• Decide what to display when fetching remote data in 4 states `init`, `loading`,`done`, `error`
• Option to pass the data or error objects in onDone and onError

Getting started

Installing the library:

Like any other package, add the library to your pubspec.yaml dependencies:

dependencies:
    fetching_state:

Then import it wherever you want to use it:

import 'package:fetching_state/fetching_state.dart';

Usage

see full example in example folder

class Example extends StatefulWidget {
  const Example({Key? key}) : super(key: key);

  @override
  _ExampleState createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  late FetchingState<String, String> _fetching;
  @override
  void initState() {
    _fetching = FetchingState.init();
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Column(
          mainAxisSize: MainAxisSize.max,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Center(
              child: Builder(
                builder: (context) {
                  return _fetching.when(
                    onInit: () => const Text(
                      'INIT',
                      style: TextStyle(color: Colors.blue),
                    ),
                    onDone: (text) => Text(
                      text!,
                      style: const TextStyle(color: Colors.green),
                    ),
                    onError: (error) => Text(
                      error!,
                      style: const TextStyle(color: Colors.red),
                    ),
                    onLoading: () => const CircularProgressIndicator(),
                  );
                },
              ),
            ),

          ],
        ),
      ),
    );
  }
}

Appreciate Your Feedbacks

If you find anything need to be improve or want to request a feature. Please go ahead and create an issue in the Github repo

Libraries

fetching_state