Electric Vehicle Station Booking System Android App Overview

A modern Android application for electric vehicle charging station booking system, built with native Android development using Kotlin, Jetpack Compose and Material Design 3.

🚗 Features

For EV Owners

• Station Discovery: Browse and search for nearby EV charging stations
• Real-time Booking: Book charging slots with real-time availability
• QR Code Integration: Scan QR codes for quick booking access
• Booking Management: View, update, and cancel your reservations
• User Profiles: Manage personal information and vehicle details
• Responsive UI: Modern Material Design 3 interface with animations

For Station Operators

• Operator Dashboard: Real-time monitoring of station bookings and availability
• Booking Management: View and manage station bookings
• QR Code Scanning: Scan customer booking QR codes for booking confirmation
• Analytics: Track station usage and booking statistics

🛠 Tech Stack

• Language: Kotlin
• UI Framework: Jetpack Compose
• Design System: Material Design 3
• Architecture: MVVM (Model-View-ViewModel)
• Navigation: Compose Navigation
• State Management: StateFlow, Compose
• Local Storage: SQLite
• Networking: Retrofit, OkHttp
• Camera: CameraX (for QR code scanning)
• QR Code: ML Kit Barcode Scanning

🏗 Architecture

The app follows MVVM architecture pattern with:

• UI Layer: Composable functions with ViewModels
• Domain Layer: Use cases and business logic
• Data Layer: Repositories, API services, and local database
• Models: Data classes for API responses and local entities

🚀 Getting Started

Prerequisites

• Android Studio
• Android SDK Tools
• Kotlin 1.9+
• JDK 11+

Installation

1. Clone the repository

   git clone https://github.com/y4-systems/ev-station-booking-system-android.git
   cd ev-station-booking-system-android

2. Open in Android Studio

   • Open Android Studio
   • Select "Open an existing project"
   • Navigate to the project directory

3. Configure Backend URL

   BACKEND_URL=https://your-backend-api-url.com

4. Build and Run

   • Sync the project with Gradle files
   • Run the app on an emulator or physical device

🔧 Configuration

Backend Integration

The app connects to a REST API backend. Configure the API endpoint.

BACKEND_URL=https://your-api-endpoint.com

Database

The app uses Room database for local data storage:

• User authentication tokens
• Cached booking data
• Station information
• Offline support

📖 API Integration

The app integrates with the following API endpoints:

• Authentication: /api/auth/login, /api/auth/register
• Stations: /api/stations, /api/stations/{id}
• Bookings: /api/bookings, /api/bookings/{id}
• Operator: /api/operator/dashboard, /api/operator/bookings

🎨 UI Components

Key Screens

1. Home Screen: Dashboard with featured stations and quick actions
2. Station List: Browse and filter charging stations
3. Station Detail: View station information and availability
4. Booking Screen: Manage personal bookings
5. Profile Screen: User account management
6. Operator Dashboard: Real-time station monitoring

Design Features

• Material Design 3: Latest design system with dynamic theming
• Animations: Smooth transitions and micro-interactions
• Responsive: Adapts to different screen sizes
• Accessibility: Full accessibility support

🔒 Security

• Authentication: JWT token-based authentication
• Local Storage: Encrypted sensitive data storage
• API Security: HTTPS communication with backend
• Input Validation: Client-side and server-side validation

🧪 Testing

Run tests using:

./gradlew test                 # Unit tests

📝 Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

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