ExpansionPanel constructor
Creates an expansion panel to be used as a child for ExpansionPanelList. See ExpansionPanelList for an example on how to use this widget.
Implementation
ExpansionPanel({
required this.headerBuilder,
required this.body,
this.isExpanded = false,
this.canTapOnHeader = false,
this.backgroundColor,
this.splashColor,
this.highlightColor,
});