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Technology Selection by Layer

DocuSnap-Frontend employs a layered architecture with carefully selected technologies for each layer. This approach ensures separation of concerns and enables the use of the most appropriate technologies for specific requirements.

UI Layer

  • Jetpack Compose: Modern declarative UI framework providing reactive UI building capabilities
  • Material Design 3: Latest Material design specification offering a modern visual experience
  • Navigation Compose: Type-safe navigation framework simplifying screen navigation
  • Coil: Efficient image loading library optimizing image display performance

Business Logic Layer

  • Jetpack ViewModel: Manages UI-related data and handles configuration changes
  • Kotlin Coroutines: Simplifies asynchronous programming with structured concurrency
  • Flow: Reactive programming framework supporting data stream processing
  • StateFlow: Reactive state container simplifying state management

Data Layer

  • Room Database: Provides type-safe data access, supporting SQLite operations
  • Retrofit: Type-safe HTTP client simplifying network requests
  • OkHttp: Efficient HTTP client providing interceptors and cache support
  • Kotlinx Serialization: High-performance JSON serialization library
  • Moshi: Flexible JSON parsing library seamlessly integrated with Retrofit

Image Processing

  • CameraX API: Simplifies camera operations, providing consistent user experience
  • Custom Image Processing Algorithms: Edge detection, perspective correction, image enhancement, etc.
  • Bitmap Processing: Image scaling, cropping, filter application, etc.

Secure Communication

  • RSA/AES Encryption: Hybrid encryption system protecting data transmission security
  • SHA-256 Hash Verification: Ensures data integrity
  • HTTPS Communication: Secure network transport layer

The selection of these technologies creates a modern, robust, and maintainable application architecture that leverages the best practices in Android development.