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A new Flutter package to handle state inside apps

DataState #

The DataState class is used to represent different states of data loading in a Flutter application. It encapsulates the loading state and any associated exception.

Usage #

Importing #

To use the DataState class, import it in your Dart file:

import 'package:app_data_state/data_state.dart';

Creating instances #

You can create instances of the DataState class using the provided constructors:


final noneState = DataState.none();
final loadingState = DataState.loading();
final fullState = DataState.full();
final partialState = DataState.partial();
final errorState = DataState.error(Exception('An error occurred'));

Methods #

The DataState class provides several utility methods to check the current state:

  • bool get hasException: Returns true if the state is LoadingState.error.
  • bool get isLoading: Returns true if the state is LoadingState.loading.
  • bool get isFull: Returns true if the state is LoadingState.full.
  • bool get isNone: Returns true if the state is LoadingState.none.

Enum LoadingState

  • none: Indicates that there is no data loading process currently happening.

  • partial: Indicates that the data loading process is partially complete.

  • loading: Indicates that the data is currently being loaded.

  • full: Indicates that the data loading process is fully complete.

  • error: Indicates that an error occurred during the data loading process.

  • These states help in managing and representing the different stages of data loading in a Flutter application, allowing for better control and handling of the data loading lifecycle.

Example #

Here is an example of how to use the DataState class:

void main() {
  const state = DataState.loading();
  if (state.isLoading) {
    print('Data is currently loading');
  }
}

Features #

  • Represent different loading states: none, partial, loading, full, error.
  • Encapsulate exceptions related to data loading.
  • Provide utility getters to check the current state.

Getting started #

To start using the DataState package, add it to your pubspec.yaml:

dependencies:
  app_data_state: ^0.0.2

Then run flutter pub get to install the package.

Additional information #

For more information, visit the Dart packages guide and the Flutter packages guide.

To contribute to this package, please open an issue or submit a pull request on the GitHub repository.

For any issues or questions, you can file an issue on the GitHub repository. The package authors will respond as soon as possible.

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A new Flutter package to handle state inside apps

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