fetchJoinedGroupCount method

Future<int> fetchJoinedGroupCount()

~english Gets groups count of the current user joined from the server.

Return The count of groups joined by the current user.

Throws A description of the exception. See EMError.

~end

~chinese 从服务器获取当前用户已加入的群组数量。

Return 加入的群组数量。

Throws 如果有异常会在此抛出，包括错误码和错误信息，详见 EMError。 ~end

Implementation

Future<int> fetchJoinedGroupCount() async {
  Map result =
      await _channel.invokeMethod(ChatMethodKeys.fetchJoinedGroupCount);
  try {
    EMError.hasErrorFromResult(result);
    int count = result[ChatMethodKeys.fetchJoinedGroupCount];
    return count;
  } on EMError catch (e) {
    throw e;
  }
}