printerEvents method

  1. @override
Stream<Nf5503PrintEvent> printerEvents()
override

监听打印机版本和打印状态事件。

Implementation

@override
Stream<Nf5503PrintEvent> printerEvents() {
  return printerEventChannel.receiveBroadcastStream().map(
    (event) => Nf5503PrintEvent.fromMap(_eventMap(event)),
  );
}