#bloc #bestpractices

Effective BLoC pattern

The article is about 8 golden points that must be followed when working with BLoC:

👉 Every screen has its own BLoC
👉 Every BLoC must have a dispose() method
👉 Don’t use StatelessWidget with BLoC
👉 Override didChangeDependencies() to initialise BLoC
👉 Use RxDart only when dealing with complex logic
👉 Use PublishSubject over BehaviorSubject
👉 Proper use of BLoC Providers

#performance #advanced #bestpractices

Performance best practices

Generally, Flutter applications are performant by default, so you only need to avoid common pitfalls to get excellent performance instead of needing to micro-optimize with complicated profiling tools. These best recommendations will help you write the most performant Flutter app possible:

👉 Controlling build() cost
👉 Apply effects only when needed
👉 Render grids and lists lazily
👉 Build and display frames in 16ms

#performance #bestpractices #advanced

Building performant Flutter widgets

This article is a part of series developed after the Flutter Material team worked on making the Flutter Gallery app more performant on the web. Some pro tips:

👉 Only build when necessary
👉 Only build what is necessary
👉 Check widget build counts