loading method

Implementation

loading(BuildContext context) {
  if (timer != null) {
    timer!.cancel();
  }
  timer = Timer.periodic(
    const Duration(milliseconds: 100),
    (timer) => _incrementCount(),
  );
  showDialog(
    context: context,
    barrierDismissible: false,
    builder: (BuildContext context) {
      return Loading();
    },
  );
}