🍋 Lemonade Mobile: local AI server companion app

iPhone/iPad | Android: Coming Soon | Discord

Lemonade Mobile is a polished chat interface for Lemonade AI servers with syntax highlighting and multi-server support. Start your server, connect this app, and take your Lemonade to go.

A Lemonade Open Source Project - maintained by Geramy Loveless.

Features

• Multi-Server Support: Connect to multiple Lemonade/OpenAI-compatible servers
• Code Syntax Highlighting: Beautiful code rendering with language detection
• Streaming Responses: Real-time chat with live text streaming
• Dark Theme: Modern dark UI that's easy on the eyes
• Persistent Chat History: Never lose your conversations
• Cross-Platform: Works on mobile and desktop

Quick Start

# Get dependencies
flutter pub get

# Run the app
flutter run

Configuration

Adding AI Servers

1. Launch the app and tap the settings gear icon
2. Add your server details:
   • Name: Something descriptive like "My Local Server"
   • URL: Your server endpoint (e.g., http://192.168.1.10:8000/api) - Later will be changed to be user friendly.
   • API Key: Optional, defaults to "lemonade" if empty

Testing Connections

Use the checkmark button next to each server to verify connectivity before chatting.

How to Use

• Server Selection: Pick your AI server from the top dropdown
• Model Selection: Expand the drawer menu to choose different models
• Chat Interface:
  • Type your message and hit send
  • Watch responses stream in real-time
  • Code blocks get automatic syntax highlighting
• Copy Functions:
  • Long-press any message to copy it entirely
  • Tap the copy icon on code blocks to copy just that code
• Chat Management:
  • Create new conversations from the drawer
  • Switch between chat threads
  • Delete old conversations you don't need

Tech Stack

• Framework: Flutter with Material Design 3
• State Management: Riverpod for clean architecture
• Persistence: SharedPreferences for local storage
• API Integration: dart_openai for OpenAI-compatible endpoints
• UI Polish: Custom themes and smooth animations

Project Layout

lib/
├── main.dart                 # App bootstrap & routing
├── models/                   # Data structures
│   ├── server_config.dart    # Server connection details
│   ├── chat_message.dart     # Message format
│   └── chat_history.dart     # Conversation management
├── providers/                # State management
│   ├── servers_provider.dart # Server list & selection
│   ├── chat_provider.dart    # Active conversation
│   ├── chat_history_provider.dart # Saved conversations
│   └── models_provider.dart  # Available AI models
├── screens/                  # Main UI screens
│   ├── chat_screen.dart      # Main chat interface
│   └── settings_screen.dart  # Server configuration
├── services/                 # External integrations
│   └── openai_service.dart   # AI API communication
├── widgets/                  # Reusable UI components
│   ├── chat_input.dart       # Message composition
│   ├── message_bubble.dart   # Message display with code highlighting
│   ├── server_selector.dart  # Server picker
│   └── chat_drawer.dart      # Navigation sidebar
└── utils/                    # Shared utilities
    └── constants.dart        # Theme & styling constants

This project is licensed as MIT