build method

@override Widget build(BuildContext _, Widget child, int i, bool active,)

Construct a new widget which represent the tab item with custom badge.

• context BuildContext instance;
• child the tab item Widget;
• index index of the tab item;
• active active state for the index;

Implementation

@override
Widget build(_, child, i, active) {
  var chip = chips[i];
  if (chip == null || chip == '') {
    return child;
  }
  return Stack(
    alignment: Alignment.center,
    children: <Widget>[child, asBadge(chip)],
  );
}