Master Flutter Dio interceptors: headers, logging, retries with backoff, robust token refresh, error mapping, testing, and best practices.
Learn how to implement Google Sign‑In in Flutter on Android, iOS, and web—setup, code, Firebase integration, tokens, testing, and best practices.
Master Flutter custom keyboard actions: IME buttons, focus traversal, desktop shortcuts, accessory bars, and custom keypads with production-ready code.
Implement dynamic runtime theming in Flutter with ThemeMode, Material 3 seed colors, Android 12 system colors, ThemeExtension, persistence, and tests.
Learn Flutter AnimatedList and ListView animations: setup, insert/remove, custom transitions, slivers, reordering, performance tips, and complete code.
Build a fast, offline-first Flutter barcode inventory app: architecture, scanning, data model, sync, UI/UX, printing, testing, and deployment.
