hy_flutter 2.2.0

hy's flutter base package.

2.2.0

• add ThemeDataExt

2.1.0

• IToastService delete setContext

2.0.3

• IToastService add setContext

2.0.2

• add WidgetPaddingExt
• update ContextExt

2.0.1

• delete ILocalStorage

0.0.3

• IToastService.show 增加默认配置类

0.0.2

• IToastService.show add timeInSec parameter.

0.0.1

• first edition.