Countdown constructor

const Countdown({
  1. Key? key,
  2. required Duration duration,
  3. required dynamic builder(
    1. BuildContext context,
    2. Duration remaining
    ),
  4. required void onFinish(),
  5. Duration interval = const Duration(seconds: 1),
})

Implementation

const Countdown({
  super.key,
  required this.duration,
  required this.builder,
  required this.onFinish,
  this.interval = const Duration(seconds: 1),
});