鸿蒙应用（Harmony Application）程序的组件示例
目前只有项目自带列表，Ability跳转，okhttp+retrofit网络请求，本地视频播放
SwitchButton is An beautiful+lightweight+custom-style-easy switch widget
progressbutton是占位面积很小的自定义进度指示器
ButtonProgressBar一个下载按钮进度条
Developers can use BGARefreshLayout-ohos to implement multiple pull-down refresh effects, pull-ups to load more.
FlexboxLayout is a library project which brings the similar capabilities of CSS Flexible Box Layout Module to openharmony.
SlidingLayout是一种Component控件，可以帮助你实现类似微信网页浏览的下拉功能
