Featured Project

Online Shop Management System

A complete retail management solution with MVVM architecture and local data persistence

Online Shop Management System Screenshot

Project Overview

The Online Shop Management System is a comprehensive retail tool built using a strict MVVM 4-layer architecture (Presentation, Domain, Data, and Database layers) to ensure high maintainability and testability.

This application enables shop owners to manage products, track inventory, process sales, and generate reports — all with offline-first capabilities using local data persistence.

Clean Architecture

The application follows a strict 4-layer architecture for maximum separation of concerns:

01

Presentation Layer

Jetpack Compose UI components & ViewModels

02

Domain Layer

Use cases & business logic

03

Data Layer

Repositories & data sources

04

Database Layer

Room DB entities & DAOs

Key Features

  • Product Management — Add, edit, delete products with images
  • Inventory Tracking — Real-time stock level monitoring
  • Sales Processing — Quick checkout and invoice generation
  • Offline-first — Full functionality without internet connection
  • Analytics Dashboard — Sales reports and performance metrics

Technical Highlights

Room Database

Type-safe SQLite abstraction for local storage

Material Design 3

Modern UI with dynamic color theming

LiveData & Flow

Reactive UI updates with lifecycle awareness

Dependency Injection

Manual DI with Hilt-ready architecture

Performance Metrics

<2s
App Startup
1000+
Products Managed
60fps
Smooth UI
95%
Test Coverage

Tech Stack

Kotlin Jetpack Compose Room DB MVVM Clean Architecture Coroutines Material 3

Project Info

Category Retail / E-commerce
Platform Android
Architecture MVVM + Clean
Database Room (SQLite)
Status Production Ready

Data Flow

UI → ViewModel → UseCase → Repository → Room DAO
LiveData/Flow flows back to UI

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