Android

🤖 Android App — Peer Network

This page documents the Android client for Peer Network, built in Kotlin with a modern modular architecture.

---

📱 Project Overview

• Built using Jetpack Compose (no XML)
• Clean modular structure with data, domain, remote, and ui layers
• Uses Kotlin Coroutines and Flow for reactive state management
• Connects to the backend GraphQL API (Apollo)
• Handles authentication, posting, wallet, profile — with more features in development

---

🧱 Tech Stack

Layer	Tech / Tool
Language	Kotlin
UI Framework	Jetpack Compose
State Management	Kotlin Flow + ViewModel
Networking	Apollo GraphQL
Token Storage	SharedPreferences
Build System	Gradle (modular setup)
Architecture	Clean Architecture (Modular)

---

✅ Implemented Features

• User authentication (register, login, logout)
• Profile editing (username, bio, image)
• Content feed: create, read, comment on posts
• Follow/block users
• Wallet screen with balance and activity

---

🚫 Not Yet Implemented

• ❌ Real-time messaging (chat system not integrated)
• ❌ Push notifications
• ❌ Token transfer from wallet
• ❌ Referral logic on registration

---

⚙️ Backend Integration

• All operations use GraphQL via Apollo client
• Token (JWT) is stored securely in SharedPreferences
• referralUuid is passed when available during registration
• GraphQL schema code is generated automatically for type safety

---

🧪 Testing

• Manual testing is currently used for most flows
• CI test integration with backend is planned
• Some modules are structured for future unit testing (domain and data layers)

---

📁 Project Structure

peer_android_frontend/

├── app/                    # Main application module (entry point)

├── blog/                   # Feature module: blog
│   ├── data/               # Repositories, data sources
│   ├── domain/             # Use cases, domain models
│   ├── remote/             # Remote API handling (Apollo)
│   └── ui/                 # UI layer (Composables, ViewModels)

├── core/                   # Shared code across all modules
│   ├── common/             # Common utilities, base classes
│   ├── remote/             # Shared network code
│   └── ui/                 # Shared UI components, themes, styles

├── media/                  # Media handling (images/videos)
│   ├── core/
│   └── ui/

├── persistence/            # Local storage & persistence logic
│   ├── data/
│   ├── domain/
│   ├── local/              # SharedPreferences, etc.

├── social/                 # Friends, chat, follow system
│   ├── data/
│   ├── domain/
│   ├── remote/
│   └── ui/

├── user/                   # Auth, profile, user info
│   ├── data/
│   ├── domain/
│   ├── remote/
│   └── ui/

├── wallet/                 # Token display & wallet interaction
│   ├── data/
│   ├── domain/
│   ├── remote/
│   └── ui/

📓 Related Pages

• 💻 Clients
• 🍏 iOS
• 🌐 WebApp
• 🏠 Home
• 📬 GraphQL Schema Overview