fetchBlockIds method

Future<List<String>> fetchBlockIds()

~english Gets the block ids from the server.

Return The block ids obtained from the server.

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

~chinese 从服务器获取黑名单列表。

Return 该方法调用成功会返回黑名单列表。

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。请参见 EMError。 ~end

Implementation

Future<List<String>> fetchBlockIds() async {
  Map result =
      await _channel.invokeMethod(ChatMethodKeys.getBlockListFromServer);
  try {
    EMError.hasErrorFromResult(result);
    List<String> list = [];
    result[ChatMethodKeys.getBlockListFromServer]?.forEach((element) {
      if (element is String) {
        list.add(element);
      }
    });
    return list;
  } on EMError catch (e) {
    throw e;
  }
}