Flutter already comes with everything you need. The best part about this pattern is you won’t need to import any plugins or learn any custom syntax. Dart even comes with syntax for working with streams baked into the language! BLoC sits in the middle, managing the conversation. The gist of BLoC is that everything in the app should be represented as a stream of events: Widgets submit events, and other widgets will respond. A variation of this classical pattern has emerged from the Flutter community: BLoC.īLoC stands for Business Logic Components. The model and view are separated, with the controller sending signals between them.īut Flutter brings a new, reactive style that’s not entirely compatible with MVC. IOS and Android developers are well versed in Model-View-Controller (MVC) and have used this pattern as a default choice when building apps. Everyone seems to have their favorite architectural pattern with a fancy acronym. How to design the structure of an app is among the most heavily debated topics that arise in app development. Update note: Sardor Islomov updated this tutorial for Flutter 2.10.

Signal messenger architecture