Provider vs BLoC vs Redux 1. Flutter BLoC. Flutter-Movie - Non-trivial example demonstrating how to use Fish Redux, with more than 30 screens, graphql, payment api and media player. In this post we'll take a look at the provider pattern in Flutter. » Read more about Flutter Provider for humans by Scott Stoll. BLoC stands for Business Logic Components, and it’s much more of an architecture than the others we’ve discussed so far; some have even likened it to MVVM (Model, View, View Model). Poznan Flutter Developer Group 2. Some other patterns, such as BLoC Architecture, use the provider pattern internally. A family of stream/observable based patterns. I've implemented apps in Redux, BLoC and ScopedModel and I still consider ScopedModel the most practical and straight forward approach to build apps in Flutter. BLoC / Rx. In spite of all these benefits, using the Bloc package is painful at times and the cause is none other than boilerplate.The […] But the provider pattern is far easier to learn and has much less boilerplate code. Poznan Flutter Developer Group In the following presentation I compare main Flutter architecture patterns - package:provider, BLoC and Redux. It promotes good practices such as immutability and it has one of the best ecosystems of supporting packages and documentation built around it. Number of (re-)Builds. Don’t really understand why people call it bloated; as you would use every line and method of BLoC or Provider.. the compiler is smart enough to strip it. The BLoC solution is a bit more complex as it involves the notion of Streams. So forget the drama String text = 'abc'; And you have a Text() widget called TextA that takes in text variable as input. Recommended other packages # bloc_provider was one of the good choice for BLoC pattern until early 2019, but I now recommend to use these instead. Architect your Flutter project using BLoC pattern, by Sagar Suri; BloC Library, by Felix Angelov Bloc is a well-known and established library when it comes to state management in Flutter. Flutter State Management: setState, BLoC, ValueNotifier, Provider Posted by Andrea Bizzotto on July 9, 2019 This article is a write-up of the highlights in this video , where we compare different state management techniques. Flutter Provider architecture implementation. Imagine having data.dart file that has a variable. If we have a look at the number of times parts of the application rebuild, it becomes interesting… Extensions IntelliJ - extends IntelliJ/Android Studio with support for the Bloc library and provides tools for effectively creating Blocs for both Flutter and AngularDart apps. Poznan Flutter Developer Group 3. bloc_provider # Provides BLoC(Business Logic Component) to descendant widget (O(1)), and the bloc is disposed automatically by the state which the bloc_provider holds internally. State management solutions are needed for datas that changes. The package itself has a lot of other nice features apart from state management (routing, DI, storage, context extensions) but you are free to use it or not. Clear guidelines and coding conventions to implement a production ready app using Provider. It covers the bloc package (version 6.0.3) in all flavors: bloc, flutter_bloc hydrated_bloc, replay_bloc, bloc_test and cubit. Behind the scene, the flutter_redux solution also relies on the use of Streams, but this is hidden from a developer perspective.