doInterval function

Timer doInterval(
  1. Duration interval,
  2. void callback(
    1. Timer? timer
    ), {
  3. bool callOnStart = false,
})

定时循环执行

Implementation

Timer doInterval(
  Duration interval,
  void Function(Timer? timer) callback, {
  // 启动时调用一次
  bool callOnStart = false,
}) {
  if (callOnStart) {
    callback(null);
  }
  return Timer.periodic(interval, callback);
}