unsubscribe method

Future<void> unsubscribe({
  1. required List<String> members,
})

~english Unsubscribes from a user's presence states.

Param members The array of IDs of users whose presence states you want to unsubscribe from.

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

~chinese 取消订阅指定用户的在线状态。

Param members 要取消订阅在线状态的用户 ID 数组。

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> unsubscribe({
  required List<String> members,
}) async {
  Map req = {'members': members};
  Map result =
      await _channel.invokeMethod(ChatMethodKeys.presenceUnsubscribe, req);
  try {
    EMError.hasErrorFromResult(result);
  } on EMError catch (e) {
    throw e;
  }
}