# Flutter ![Flutter logo][]


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# Build beautiful native apps in record time


Flutter is Google's mobile app SDK for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.


### Documentation


**Main site: [][]**

* [Install](

* [Get started](

* [API documentation](

* [Changelog](

* [How to contribute](


For announcements about new releases and breaking changes, follow the


mailing list.


## Fast development


Flutter's <em>hot reload</em> helps you quickly

and easily experiment, build UIs, add features, and fix

bugs. Experience sub-second reload times,

without losing state, on

emulators, simulators, and hardware for iOS

and Android.


<img src="" alt="Make a change in your code, and your app changes instantly.">

posted @ 2019-05-07 13:44  6oneB  阅读(...)  评论(...编辑  收藏