Modular Flutter App Architecture Answering the What, When and How
summary
Built a local-module example called Modeler app that splits users, posts and comments into independent packages with their own pubspecs and DTOs, fetches JSONPlaceholder mock data to prove reusability and testability, and shows the post service reused by two UI features. Uses tree shaking to avoid APK bloat, demos deferred components for Android/web to load modules on demand, recommends mono-repo tooling Melos for CI and package scripts and GetIt for simple DI, and calls out version conflicts and routing (prefer auto_route or custom).
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chapters (14)
- 0:00Modular Flutter architecture intro
- 1:11Why modular in Flutter
- 4:21Common Flutter patterns
- 7:32What modular means
- 9:16Live demo of modular app
- 12:07Team benefits of modular
- 16:15Features and libraries in modular
- 18:43Deferred components for performance
- 22:15Managing dependencies in modular
- 23:46Melos for module management
- 25:33Pros and cons of modular
- 28:02FAQ about modular Flutter
- 32:18Adopt modular Flutter?
- 33:00Q&A
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