Flutter — resources

roadmap.sh: https://roadmap.sh/flutter

Books

Flutter Apprentice (Kodeco / raywenderlich team) — project-driven path from widgets to networking and state management.
Beginning Flutter (Marco L. Napoli) — gentle, thorough intro covering Dart, widgets, and app architecture.
Flutter Complete Reference (Alberto Miola) — deep dive into the framework internals and Dart fundamentals.
Effective Dart (Dart team) — the canonical style/usage/design guidelines every Flutter dev should internalize.

Flutter official docs — first-party guides, cookbook recipes, and widget catalog.
Dart language tour — the authoritative reference for the language Flutter is built on.
Flutter codelabs — hands-on, step-by-step labs maintained by the Flutter team.
Flutter YouTube channel — Widget of the Week and official deep-dive talks.