🍪 Biscuits

A modern cross-platform note-taking app with magical writing effects, built with Flutter & Dart.

Designed for iPad + Huawei MatePad with first-class stylus support.

Features

• ✨ Magical writing effects (ink flow, neon glow, shimmer, watercolor, chalk, rainbow ink, and more)
• 🖊️ Pressure-sensitive stylus support (Apple Pencil + Huawei M-Pencil)
• 📑 Multi-tab workspace with up to 8 concurrent tabs
• 🧷 Sticker system with washi tape & stamps
• 🔷 Smart shape recognition with snap & align
• 🧩 12 interactive widgets (timer, checklist, calculator, pomodoro, etc.)
• 📎 Rich media — PDF, audio, images, video
• 📐 Math graph editor with equation parser
• 🃏 Flash cards with spaced repetition (SM-2)
• 📝 PDF annotation with bookmarks & text selection
• 🔍 Document scanner with auto-crop
• ✏️ Rich text editor
• ☁️ Cloud sync (iCloud, Google Drive, OneDrive, Dropbox)
• 🎨 Warm, Apple-ish UI with light & dark themes

Platforms

Platform	Status
iOS (iPad)	✅ Primary target
Android (MatePad)	✅ Supported
iPhone	✅ Supported

Tech Stack

• Framework: Flutter 3 (Dart)
• State Management: flutter_bloc (15 BLoCs)
• Navigation: GoRouter
• Stroke Rendering: perfect_freehand (32 drawing tools)
• Architecture: Clean Architecture, feature-first (22 features)
• Local Storage: SharedPreferences
• PDF: pdf + printing packages

Architecture

Clean Architecture with feature-first organization. Every system (effects, tools, widgets) is plugin-based via registries for maximum extensibility.

lib/
  app/          — Routes, theme, app widget
  core/         — Canvas engine, stylus handlers, services
  features/     — 22 feature modules
  shared/       — Reusable widgets (logo, scaffold, frosted container)

Development

flutter pub get
flutter run                    # Run on connected device
flutter build apk --release    # Android APK
flutter build ipa --release    # iOS IPA
flutter test                   # Run tests

License

MIT