headPadding property
标题的 padding,为 null 时为默认 padding。 headerType 为 spaceBetween 时默认为 EdgeInsets.only(left: 20, top: 16, right: 16, bottom: 20) headerType 为 center 时默认为 EdgeInsets.only(top: 20, bottom: 20)
Implementation
final EdgeInsets? headPadding;