Build Offline Secure Notes App in Flutter (SQLite + Hive + Biometric Lock) – No Firebase 2026
























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📖 Introduction


In this tutorial, we will build a futuristic Offline Secure Notes App using Flutter.


This modern cyberpunk-style application includes biometric authentication, encrypted local storage, glassmorphism UI, real-time search, and secure note management.


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✨ Features


✅ Offline-First Storage

✅ Cyberpunk Glassmorphism UI

✅ Biometric Authentication

✅ Real-Time Search

✅ Secure Locked Notes

✅ SQLite + Hive Database

✅ Fast Flutter Performance


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🎥 Demo Video


Watch Full Demo Below 👇



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🛠 Technologies Used


• Flutter

• Dart

• SQLite

• Hive Database

• Local Authentication

• Glassmorphism UI

• Google Fonts


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📸 Screenshots



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📚 Step-by-Step Tutorial


Step 1 — Setup Flutter Project


Step 2 — Configure SQLite & Hive Database


Step 3 — Create Cyberpunk Glassmorphism UI


Step 4 — Add Biometric Authentication


Step 5 — Implement Secure Notes System


Step 6 — Add Real-Time Search


Step 7 — Optimize UI & Performance


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💻 Full Source Code Available on GitHub 👇


🔗 View Full Source Code on GitHub


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🎯 Conclusion


This project is perfect for developers who want to learn modern Flutter app development, offline storage systems, biometric authentication, and futuristic cyberpunk UI design.


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