SpinnerPopScopeExt extension

增加扩展，方式来快速构建

on

Properties

heightFull → SpinnerPopScope
显示占满全部空间
no setter
heightPart → SpinnerPopScope
显示占据部分高度
no setter

Methods

height([double scale = 0.7]) → SpinnerPopScope
快速构建 PopupBtns builder 数组集