publishPresence method

Future<void> publishPresence(
  1. String description
)

~english Publishes a custom presence state.

Param description The extension information of the presence state. It can be set as nil.

Throws A description of the exception. See EMError. ~end

~chinese 发布自定义用户在线状态。

Param description 用户在线状态的扩展信息。

Throws 如果有方法调用的异常会在这里抛出，可以看到具体错误原因。参见 EMError。 ~end

Implementation

Future<void> publishPresence(
  String description,
) async {
  Map req = {'desc': description};
  Map result = await _channel.invokeMethod(
      ChatMethodKeys.presenceWithDescription, req);
  try {
    EMError.hasErrorFromResult(result);
  } on EMError catch (e) {
    throw e;
  }
}