Mini Painter .

Hobbyists need to log detailed data and photos on the go, often without a stable internet connection. The main hurdle was creating a robust offline-first architecture that guarantees seamless local data persistence and automatic cloud synchronization, ensuring users never lose their progress or experience UI disruptions when working offline.

The cross-platform app is built with Flutter and Dart using a clean architecture structured around Riverpod for predictable state management and go_router for navigation. For the offline challenge, the application utilizes a hybrid storage approach where project data is saved locally via Drift SQLite and a custom PendingUploadManager service automatically syncs changes to Firebase Firestore once back online. Media tracking is powered by Cloudinary for image hosting with cached_network_image for fast offline viewing, while paint inventory management is driven by mobile_scanner for barcode reading and shared_preferences for lightweight persistence. The entire experience is rounded out with a custom dark theme to reduce eye strain, automated code generation via build_runner, and built-in PDF generation for easy project exporting.

The project delivers a highly reliable, production-ready mobile application that successfully bridges complex offline synchronization with an intuitive user experience. It provides hobbyists with a seamless utility that keeps their data secure and accessible regardless of connectivity, showcasing a strong implementation of modern mobile development best practices.