记录学习flutter界面布局以及常用的控件使用，包含了支持多国际化语言，换肤模式，以及官方Gallery项目中的例子。
Practice flutter auto layout
I test all kind of component, display how to make a page autolayout like use UIStackview in iOS.
This is a very useful demo for you to start learning Flutter! I follow the Google manual.
You can read my WX article: https://mp.weixin.qq.com/s/IP6dgtZcJLVtYm4BETxajw
I add gallery demo in this project I add support international languge in this project I add support light/dark theme in this project
This is a very useful, I practice flutter componet and demo code use understand how to make interface.
ScreenShot: https://user-images.githubusercontent.com/4311622/94405937-d6349780-01a3-11eb-96ee-0aafe6dd5c52.jpg ScreenShot: https://user-images.githubusercontent.com/4311622/94405928-d2087a00-01a3-11eb-8576-5ad9b6d54b4d.jpg
