We've released a new LINE SDK for Flutter. This SDK is a Flutter plugin that lets you access the functions of LINE SDK for iOS and LINE SDK for Android in your Flutter app with Dart. For details, see these pages:
- LINE SDK for Flutter page on this site
- flutter_line_sdk (opens new window) on GitHub
- API reference (opens new window) on Dart packages website
The LINE SDK for Flutter documentation is only available in English, for now.