subscribe method
Implementation
Future<Channel?> subscribe(
[String channelName = DEFAULT_CHANNEL_NAME]) async {
int handle = _channelHandle++;
return _messagingChannel.invokeMethod(
"Backendless.Messaging.subscribe", <String, dynamic>{
"channelName": channelName,
"channelHandle": handle
}).then((value) => new Channel(_messagingChannel, channelName, handle),
onError: (e) {
String errorMessage = "Couldn't subscribe to the channel: $e";
if (Platform.isAndroid) {
errorMessage += "Please check whether you add io.socket dependency.";
}
return Future.error(errorMessage);
});
}