groupAckCount method
~english Gets the number of members that have read the group message.
Return group ack count
Throws A description of the exception. See ChatError ~end
~chinese 获取群消息已读人数。
Return 群消息已读人数。
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 ChatError。 ~end
Implementation
Future<int> groupAckCount() async {
Map req = {"msgId": msgId};
Map result =
await _emMessageChannel.invokeMethod(ChatMethodKeys.groupAckCount, req);
try {
ChatError.hasErrorFromResult(result);
if (result.containsKey(ChatMethodKeys.groupAckCount)) {
return result[ChatMethodKeys.groupAckCount];
} else {
return 0;
}
} on ChatError catch (e) {
throw e;
}
}