getWatchRegionStream method

@override Stream<Region>? getWatchRegionStream()

The function returns a stream of Region objects received from a broadcast stream. @returns The method is returning a Stream of Region objects.

Implementation

@override
Stream<Region>? getWatchRegionStream() {
  if (_regionStream == null) {
    _regionStream = _regionStreamController.stream;
    _regionEventChannel
        .receiveBroadcastStream("region")
        .map<String>((dynamic event) {
      return event as String;
    }).listen((regionString) {
      Map<String, dynamic> data = jsonDecode(regionString);
      Region region = Region.jsonToObj(data);
      _regionStreamController.add(region);
    });
  }
  return _regionStream;
}