Google基于Dart的新移动开发框架Flutter实际上就是以前的Sky SDK，基于Dart语言的移动开发框架，是React Native的竞争对手。

初步看了下，是一个基于Dart语言，灵感来自react Native, 支持120 fps刷新率的高性能原生UI，支持Material Design的移动开发框架

官方网站http://flutter.io/

https://github.com/flutter/flutter 三天前更新的，现在还没有源码啊

Flutter is a new way to build high-performance, cross-platform mobile apps. Flutter is optimized for today’s, and tomorrow’s, mobile devices. We are focused on low-latency input and high frame rates on Android and iOS.
Next steps:

• Getting started guide
• Tutorial introduction
• Widget gallery
• API documentation
• Architecture diagrams