That's why the use of Flutter has reached a point where it has become the most popular app development framework in 2021. But, of course, you cannot achieve success without a solid understanding of this framework. To help you do that, we've listed some tips on Flutter app performance improvement.
Do Not Rebuild Widgets
Too often, we see widget rebuild as a typical performance anti-pattern. Every user interaction with the widget will refresh the whole view. That, in turn, will impact the scaffold and the background widget, which only delays the app's ability to load fully. It is better to limit the rebuild process to the things you need to update. Then, you can use the Bloc pattern to rebuild the necessary parts.