build method Null safety

  1. @override
Widget build(
  1. BuildContext context
)
override

Override this method to build widgets that depend on the state of the listenable (e.g., the current value of the animation).

Implementation

@override
Widget build(BuildContext context) {
  return Positioned.fromRelativeRect(
    rect: rect.value,
    child: child,
  );
}