NanoChat

NanoChat is a lightweight, modern Android chat application built with Jetpack Compose and * Material 3*. It features an extensible backend system supporting both local inference (Gemini Nano via AICore) and remote OpenAI-compatible APIs.

🚀 Features

• Material You Design: Fully expressive Material 3 theming with dynamic color support (Android 12+).
• Dual Inference Modes:
  • AICore: Local on-device inference using Gemini Nano (requires API 31+ and compatible hardware).
  • Remote: Stream responses from any OpenAI-compatible API endpoint.
• Local Persistence: Chat history and sessions stored locally using Room.
• Secure Storage: API keys and sensitive tokens are stored using EncryptedSharedPreferences.
• Modern Architecture: Built with Kotlin Coroutines, Flow, and MVVM.

🛠 Tech Stack

• UI: Jetpack Compose, Material 3
• Language: Kotlin 2.1.10
• Local Database: Room
• Settings: DataStore & EncryptedSharedPreferences
• Networking: OkHttp with Server-Sent Events (SSE) support
• Inference: Google AICore (Local), OpenAI-style REST (Remote)

🏁 Getting Started

Prerequisites

• Android Studio Ladybug or newer.
• Android SDK 35 (Compile/Target) and Min SDK 31.
• To use AICore (Gemini Nano), ensure it is enabled in your device's Developer Options.

Building

1. Clone the repository:

   git clone https://github.com/yourusername/NanoChat.git

2. Open the project in Android Studio.
3. Build the project using the Gradle wrapper:

   ./gradlew assembleDebug

🤝 Contributing

Contributions are welcome! Please see CONTRIBUTING.md for guidelines.

📜 License

This project is licensed under the MIT License - see the LICENSE file for details (if applicable).