fetchChatRoomAnnouncement method
- String roomId
~english Gets the chat room announcement from the server.
Param roomId
The chat room ID.
Return The chat room announcement.
Throws A description of the exception. See ChatError. ~end
~chinese 从服务器获取聊天室公告内容。
Param roomId
聊天室 ID。
Return 聊天室公告。
Throws 如果有异常会在这里抛出,包含错误码和错误描述,详见 ChatError。 ~end
Implementation
Future<String?> fetchChatRoomAnnouncement(
String roomId,
) async {
Map req = {"roomId": roomId};
Map result = await _channel.invokeMethod(
ChatMethodKeys.fetchChatRoomAnnouncement, req);
try {
ChatError.hasErrorFromResult(result);
return result[ChatMethodKeys.fetchChatRoomAnnouncement];
} on ChatError catch (e) {
throw e;
}
}