blockMembers method

Future<void> blockMembers(String groupId, List<String> members)

~english Adds the user to the block list of the group.

Users will be first removed from the group they have joined before being added to the block list of the group. The users on the group block list cannot join the group again.

Only the group owner or admin can call this method.

Param groupId The group ID.

Param members The list of users to be added to the block list.

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

~chinese 将用户加入群组黑名单。

先将用户移出群，再加入黑名单。加入黑名单的用户无法加入群。

仅群主和管理员可调用此方法。

Param groupId 群组 ID。

Param members 要加入黑名单的用户 ID。

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