channel property
Implementation
static final MethodChannel channel = MethodChannel(_CHANNEL_NAME)
..setMethodCallHandler((call) async {
if (call.method == _NOTIFY_UPDATE) {
var stringData = call.arguments as String?;
if (stringData == null)
_serviceDataStreamController.sink.add(null);
else {
Map<String, dynamic> json = jsonDecode(stringData);
_serviceDataStreamController.sink.add(json);
}
}
});