Introduction

Welcome to the Lumo OTP Authenticator developer documentation. This comprehensive guide will help you understand, customize, and deploy your own version of Lumo.

What is Lumo?

Lumo is a modern, secure two-factor authentication (2FA) app built with Flutter. It provides users with:

Time-based One-Time Passwords (TOTP): Compatible with Google Authenticator, Authy, and other TOTP services
HMAC-based One-Time Passwords (HOTP): Support for counter-based OTP systems
QR Code Import: Easy setup by scanning QR codes from services
Biometric Security: Fingerprint and face unlock protection
Encrypted Backups: Secure cloud storage with Firebase
Cross-platform: Native Android and iOS applications

Key Features

Security First

AES-256 encryption for all sensitive data
Biometric authentication (fingerprint, face ID)
Secure local storage using platform-specific secure storage
No personal data tracking or analytics

User Experience

Clean, intuitive Material Design 3 interface
Dark and light theme support
Smooth animations and transitions
Accessibility support

Developer Friendly

Clean architecture with separation of concerns
Comprehensive state management with Riverpod
Well-documented codebase
Modular design for easy customization

What You’ll Learn

This documentation covers:

Setup & Development: Get your development environment ready
Rebranding: Customize the app with your own identity
Architecture: Understand the codebase structure and patterns
Deployment: Build and publish to app stores
Customization: Extend features and modify functionality

Prerequisites

Before you begin, ensure you have:

Flutter SDK 3.8.1 or higher
Dart SDK 3.0+
Android Studio or VS Code with Flutter extensions
Xcode (for iOS development)
Git for version control
Firebase account (for cloud features)

Source Code Structure

lumo/
├── lib/
│   ├── core/           # Core utilities and shared code
│   ├── features/       # Feature-based modules
│   ├── shared/         # Shared widgets and components
│   └── main.dart       # Application entry point
├── android/            # Android-specific code and configuration
├── ios/                # iOS-specific code and configuration
├── assets/             # Static assets (icons, images, etc.)
└── test/               # Unit and widget tests

Next Steps

Ready to get started? Here’s your path forward:

Setup Guide - Set up your development environment
Project Structure - Understand the codebase organization
Rebranding Overview - Start customizing the app

Support

This documentation is designed to be comprehensive, but if you need additional help:

Check the API Reference for detailed code documentation
Review the source code comments for implementation details
Contact support for licensing and commercial inquiries

Let’s build something amazing together! 🚀