fetchChatRoomAnnouncement method Null safety
- String roomId
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 {@link EMError}.
Implementation
Future<String?> fetchChatRoomAnnouncement(
String roomId,
) async {
Map req = {"roomId": roomId};
Map result = await _channel.invokeMethod(
ChatMethodKeys.fetchChatRoomAnnouncement, req);
try {
EMError.hasErrorFromResult(result);
return result[ChatMethodKeys.fetchChatRoomAnnouncement];
} on EMError catch (e) {
throw e;
}
}