ExpanderBuilder typedef

ExpanderBuilder = Widget Function(BuildContext context, bool isExpanded, Animation<double> animation)

Callback for building the expander icon or content.

Example:

Widget buildExpander(BuildContext context, bool isExpanded, Animation<double> animation) {
  return RotationTransition(
    turns: animation,
    child: Icon(Icons.chevron_right),
  );
}

Implementation

typedef ExpanderBuilder = Widget Function(
  BuildContext context,
  bool isExpanded,
  Animation<double> animation,
);