buildExpanded method

Expanded buildExpanded(
  1. Map props,
  2. BuildContext context
)

Implementation

Expanded buildExpanded(Map props, BuildContext context) {
  if (props['items'] == null) {
    throw Exception('Expanded must have items property');
  }
  List<Widget> childWidgets = buildChildWidgets(props['items'] as List);
  Widget child;
  if (childWidgets.isNotEmpty) {
    child = childWidgets.first;
  } else {
    throw Exception("Expanded must have one child");
  }
  return Expanded(child: child);
}