E-Commerce Serang (Android App)

A mobile e-commerce platform built with Kotlin (Android) and a backend in Express, tailored for small businesses (UMKM). Supports browsing, ordering, chatting, and tracking — with shipping cost calculation (RajaOngkir) and push notifications via Firebase Cloud Messaging.

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Overview

This Android app includes:

• Account registration, login, and OTP verification
• Browsing products by category and store
• Cart and checkout orders
• Shipping cost estimation via RajaOngkir API
• Checkout order, tracking, and status updates
• Real-time buyer–seller chat
• Store registration and product management
• Store Balance as active status
• Top up store balance
• Write rating and feedback for purchased products
• Push notifications for user activity

The app communicates with a custom backend server via REST API and WebSocket. The backend service is currently private and tailored for this project.

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Project Structure

app/ ├── src/ │ └── main/ │ ├── java/com/yourappname/ │ │ ├── api/ │ │ │ └── retrofit/ # ApiService.kt, Retrofit client setup │ │ ├── data/ │ │ │ ├── dto/
│ │ │ ├── response/
│ │ │ └── repository/
│ │ ├── di/ # Hilt dependency injection modules │ │ ├── ui/ │ │ │ ├── auth/ # Login, register, OTP verification │ │ │ ├── home/
│ │ │ ├── cart/
│ │ │ ├── order/ # Order history, detail, and status │ │ │ ├── chat/
│ │ │ ├── profile/
│ │ │ └── product/
| | | └── notif/ # Socket.IO client setup and event handling │ │ ├── utils/
│ │ └── App.kt
│ └── res/ │ ├── layout/
│ ├── drawable/
│ ├── values/
│ └── navigation/
├── google-services.json # Firebase config for push notifications

How to Run

1. Clone this project and open it in Android Studio
2. Add your google-services.json for Firebase (FCM)
3. Update the API base URL in the Retrofit client
4. Settings BASE_URL in your local.properties
5. Build and run on an emulator or physical device

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