State Management in Flutter

State management is a complex topic. It is one of the most important processes in the life cycle of an application. In Flutter State is whatever data you need in order to rebuild your UI at any moment in time. When this data change, it will trigger a redraw of the user interface.Here is a list of the most popular packages used for state management in Flutter:

1. Provider

A wrapper around InheritedWidgets to make them more reusable and easy to use. Uses a combination of ‘Provider’, ‘Consumer’, and ‘ChangeNotifier’ to expose and modify state in an efficient way.

Package : https://pub.dev/packages/provider

Official document : https://pub.dev/documentation/provider/latest/

Resource link : Provider Example

2. Riverpod

Riverpod works in a similar fashion to Provider. It offers compile safety and testing without depending on the Flutter SDK.

Package : https://pub.dev/packages/riverpod

Official document : https://pub.dev/documentation/riverpod/latest/

Resource link : Riverpod Example

3. BLoC

BloC makes it easy to implement the Business Logic Component design pattern, which separates presentation from business logic.Uses ‘Stream’s’ to manage state.

Package : https://pub.dev/packages/flutter_bloc

Official document : https://pub.dev/documentation/flutter_bloc/latest/

Resource link : BLoC Example

4. GetX

A simplified reactive state management solution.GetX is a quick, stable, and light state management library in a flutter.

Package : https://pub.dev/packages/get

Official document : https://pub.dev/documentation/get/latest/

Resource link : GetX Example

5. GetIt

A service locator-based state management approach that doesn’t need a BuildContext. It can also be used together with BloCs.

Package : https://pub.dev/packages/get_it

Official document : https://pub.dev/documentation/get_it/latest/