Flutter Live2D Lip Sync

A Flutter plugin for Live2D lip sync functionality on Android.

Features

This plugin enables lip sync capabilities for Live2D models in Flutter applications on Android. It allows you to:

• Load Live2D models
• Control lip sync parameters based on audio input levels
• Render Live2D models with synchronized mouth movements

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_live2d_lipsync: ^0.0.1

Then run:

flutter pub get

Android Setup

This plugin requires Android SDK versions 30-35.

Add the following to your android/app/build.gradle file:

android {
    compileSdk = 35
    
    defaultConfig {
        minSdk = 30
        targetSdk = 35
    }
}

Usage

Import the package:

import 'package:flutter_live2d_lipsync/flutter_live2d_lipsync.dart';

Initialize and use the plugin:

final live2dLipSync = FlutterLive2dLipsync();

// Initialize a Live2D model
bool success = await live2dLipSync.initializeModel('path/to/model.model3.json');

// Update lip sync based on audio level (0.0 to 1.0)
await live2dLipSync.updateLipSync(0.7);

// Set specific parameter values
await live2dLipSync.setParameter('ParamMouthOpenY', 0.5);

// Render the model
await live2dLipSync.renderModel();

Example

See the example directory for a complete sample implementation that demonstrates lip sync functionality with a slider control.

Supported Platforms

Currently only supports Android SDK versions 30-35.

Contributing

Contributions are welcome. Please open an issue or submit a pull request.

License

This plugin is available under the MIT license. See the LICENSE file for more info.