Crypto App

An Android application for tracking cryptocurrencies with portfolio management capabilities.

Screenshots

Tech Stack

• Kotlin - Programming language
• Jetpack Compose - Modern UI framework
• Retrofit - HTTP client for API
• Supabase - Authentication and Database
• CoinGecko API - Cryptocurrency data
• Room (if used) - Local storage
• Flow/StateFlow - Reactive programming

Architecture

The project is built on Clean Architecture with separation into three layers:

├── data/           # Data layer (repositories, API, DB)
├── domain/         # Business logic (use cases)
└── ui/             # User interface (Compose)

Layer Structure

Data Layer:

• api/ - API services (CoinGecko, Supabase)
• repository/ - Repository implementations

Domain Layer:

• usecase/ - Business logic (GetCoinsUseCase, LoginUseCase, etc)

UI Layer:

• screens/ - Application screens
• viewmodel/ - ViewModels for state management
• component/ - Reusable components
• theme/ - Design system

DI:

• AppContainer - Dependency injection container

Features

• 📱 Authentication (registration/login)
• 📊 View cryptocurrency rates
• 💼 Portfolio management
• 🎨 Light/dark theme
• ⚙️ User settings

Installation

1. Open the project in Android Studio
2. Sync Gradle
3. Add API keys for Supabase in local.properties
4. Run on emulator or device