"Your messages. Your privacy. Your control."
One Message isn't just another messaging app — it's a commitment to security-first communication.
Built with Signal Protocol encryption, designed with The One Atom aesthetic, and engineered for reliability with offline SMS fallback.
One Message is designed to be:
- A truly private messaging platform — end-to-end encryption by default
- A hybrid communication system — seamless switch between internet and SMS
- A beautifully crafted experience — The One Atom design with glassmorphism
Most messaging apps compromise between security and usability.
One Message delivers both — military-grade encryption with a premium user experience.
-
Pure Black Background
#000000for true OLED blacks and maximum contrast. -
Glassmorphism Effects
Translucent panels withbackdrop-filter: blur()for depth and elegance. -
White & Gray Typography
Clean, readable text hierarchy with proper visual weight. -
Ambient Orbs
Subtle floating gradient effects for visual atmosphere.
-
Signal Protocol
Industry-standard end-to-end encryption for all messages. -
Device-Only Storage
Messages stored locally with Room encryption — server never sees plaintext. -
OTP Authentication
Phone number verification via Twilio — no passwords to hack. -
Multi-Device Sync
Secure key exchange for seamless cross-device experience.
- Material 3 design with custom One Atom theme
- Native performance with modern architecture
- Room database with encryption
- Native SwiftUI implementation
- CoreData with encryption
- APNs push notifications
- Marketing website with glassmorphic design
- Responsive for all devices
- Premium animations and interactions
One-Message/
├── app/ # Android App (Kotlin/Compose)
│ ├── src/main/java/com/example/onemessage/
│ │ ├── MainActivity.kt # App entry point
│ │ ├── ui/
│ │ │ ├── screens/ # UI Screens
│ │ │ │ ├── LoginScreen.kt # Phone + OTP auth
│ │ │ │ ├── ChatListScreen.kt # Conversations list
│ │ │ │ └── ChatScreen.kt # Individual chat
│ │ │ └── theme/ # One Atom Design System
│ │ │ ├── Color.kt # Color palette
│ │ │ ├── Theme.kt # Dark theme config
│ │ │ └── Type.kt # Typography scale
│ │ └── navigation/
│ │ └── Navigation.kt # Jetpack Navigation
│ └── build.gradle.kts
│
├── backend/ # Node.js + Express API
│ ├── src/
│ │ ├── index.js # Express + Socket.IO server
│ │ ├── routes/
│ │ │ ├── auth.js # OTP authentication
│ │ │ └── messages.js # HTTP message fallback
│ │ ├── socket/
│ │ │ └── handlers.js # Real-time WebSocket events
│ │ └── db/
│ │ └── schema.sql # PostgreSQL schema
│ ├── package.json
│ └── .env.example
│
└── landing/ # Marketing Website
├── index.html # Main HTML structure
├── styles.css # Glassmorphism & animations
└── script.js # Interactions & effects
- Android Studio (Hedgehog or later)
- Node.js (v18+)
- PostgreSQL (v14+)
- Twilio Account (for OTP)
git clone https://github.com/zakisheriff/One-Message.git
cd One-Messagecd backend
npm install
cp .env.example .env
# Edit .env with your credentials
npm start# Open in Android Studio
# Or build from command line:
./gradlew assembleDebug# Simply open in browser
open landing/index.html✅ Phone Authentication — Secure OTP verification
✅ 170+ Countries — Complete country code picker
✅ Real-Time Messaging — Instant delivery via WebSocket
✅ Read Receipts — Know when messages are read
✅ Typing Indicators — See when someone is typing
✅ Offline Mode — SMS fallback when internet unavailable
✅ End-to-End Encryption — Signal Protocol protection
✅ Material 3 Design — Modern Android UI
✅ Socket.IO — Real-time bidirectional communication
✅ JWT Sessions — Secure token-based auth
✅ PostgreSQL — Reliable data persistence
✅ Keyboard Handling — Perfect mobile input experience
- Kotlin — Modern Android development
- Jetpack Compose — Declarative UI framework
- Material 3 — Google's latest design system
- Navigation Compose — Type-safe navigation
- Room — Local database with encryption
- Node.js + Express — REST API server
- Socket.IO — WebSocket real-time messaging
- PostgreSQL — Relational database
- JWT — Session management
- Twilio — SMS/OTP delivery
- Pure HTML/CSS/JS — No frameworks
- Glassmorphism — Modern visual effects
- CSS Animations — Smooth interactions
- Responsive Design — Mobile-first approach
Core tables with proper relationships:
- users — Phone numbers and profiles
- devices — Multi-device support with public keys
- sessions — JWT session management
- otp_codes — Verification codes with expiry
- push_tokens — FCM/APNs tokens
- contacts — User relationships
- sms_transactions — Offline message logs
✅ Signal Protocol — End-to-end encryption
✅ OTP Verification — Phone-based authentication
✅ Device Keys — Per-device encryption keys
✅ JWT Tokens — Secure session management
✅ Local Encryption — Room database encryption
✅ No Server Storage — Messages never stored on server
POST /auth/request-otp— Send OTP to phonePOST /auth/verify-otp— Verify and get JWTPOST /auth/register-device— Register device keysPUT /auth/profile— Update display name
POST /messages/send— Send message via HTTPGET /messages/pending— Get pending messages
message:send/message:receive— Real-time messagingmessage:delivered/message:read— Delivery statustyping:start/typing:stop— Typing indicatorspresence:update— Online/offline status
- Landing Page with glassmorphism
- Backend with Socket.IO
- Android UI screens
- Complete Android networking
- Signal Protocol integration
- iOS app (Swift/SwiftUI)
- Push notifications (FCM/APNs)
- Offline SMS mode
- Group messaging
- Media attachments
Proprietary License
This project is part of The One Atom ecosystem. The code is provided for study and reference purposes only.
- ✅ You may view and study the code
- ✅ You may fork for personal learning
- ❌ Commercial use is prohibited
- ❌ Redistribution is prohibited
- ❌ Creating derivative works for distribution is prohibited
If One Message inspired you or helped with your learning:
Made by Zaki Sheriff
Part of The One Atom ecosystem
Privacy is not optional. It's fundamental.