Real-Time Chat App

A SwiftUI-based real-time chat application that supports offline functionality and real-time communication.

Features

• 💬 Real-time messaging using WebSocket
• 📱 Single-screen chat interface
• 🔄 Offline message queuing and auto-retry
• 🚦 Robust error handling and connection management
• 📋 Chat preview list with unread indicators
• 🔀 Individual chat views
• 🔄 Automatic server fallback mechanism

Technical Details

• Platform: iOS
• Language: Swift
• Framework: SwiftUI
• Minimum iOS Version: iOS 15.0
• WebSocket Servers:
  • Primary: wss://piehost.com/websocket-tester
  • Fallback: wss://ws.postman-echo.com/raw

Project Structure

RealTimeChat/
├── Views/
│   ├── ChatView.swift         # Main chat list view
│   ├── IndividualChatView.swift   # Individual chat view
│   └── NewChatView.swift      # New chat creation view
├── ViewModels/
│   └── ChatViewModel.swift    # Main chat view model
├── Models/
│   ├── ChatMessage.swift      # Message model
│   └── ChatPreview.swift      # Chat preview model
├── Services/
│   ├── WebSocketManager.swift # WebSocket handling
│   └── NetworkMonitor.swift   # Network connectivity monitoring
└── RealTimeChatApp.swift      # App entry point

Features in Detail

Real-Time Communication

• WebSocket-based real-time messaging
• Automatic fallback to backup server if primary is unavailable
• Connection status monitoring and auto-reconnection

Offline Support

• Message queuing when offline
• Automatic retry when connection is restored
• Network status monitoring

User Interface

• Clean, modern interface
• Unread message indicators
• Real-time updates without refresh
• Clear error states and notifications

Requirements

• Xcode 14.0+
• iOS 15.0+
• Swift 5.5+

Installation

1. Clone the repository

git clone https://github.com/mdiostest/RealTimeChat.git

2. Open the project in Xcode

cd RealTimeChat
open RealTimeChat.xcodeproj

3. Build and run the project

Usage

1. Launch the app
2. Create a new chat using the + button
3. Start sending messages
4. Messages will be queued if offline
5. Queued messages are automatically sent when back online

Error Handling

The app handles various error scenarios:

• Network connectivity issues
• Server connection failures
• Message send failures
• Empty states

Demo

A demo video showcasing the app's features is available [here].

License

This project is licensed under the MIT License - see the LICENSE file for details.