如何加入指定消息数的聊天室

Question

目前我正在加入这样的聊天室。

_xmppRoom = [[XMPPRoom alloc] initWithRoomStorage:_roomStorage
                                                           jid:roomJID
                                                 dispatchQueue:dispatch_get_main_queue()];

    [_xmppRoom activate:[self appDelegate].xmppStream];
    [_xmppRoom addDelegate:self
            delegateQueue:dispatch_get_main_queue()];

    NSString *profileId = @"123456";

    NSString *myPassword = [[NSUserDefaults standardUserDefaults] stringForKey:@"userPassword"];
    [[NSUserDefaults standardUserDefaults] synchronize];

    [_xmppRoom joinRoomUsingNickname:profileId history:nil password:myPassword];

我只想检索指定数量的消息作为聊天记录。目前它正在一次检索所有消息，这会导致聊天记录过长的问题。

你能帮帮我吗？

Answer 1

这是我找到的答案。您必须发送一个指定了最大节数的 XML 元素。

这是代码。

    XMPPJID *roomJID = [XMPPJID jidWithString:roomID];
    _xmppRoom = [[XMPPRoom alloc] initWithRoomStorage:_roomStorage
                                                           jid:roomJID
                                                 dispatchQueue:dispatch_get_main_queue()];

    [_xmppRoom activate:[self appDelegate].xmppStream];
    [_xmppRoom addDelegate:self
            delegateQueue:dispatch_get_main_queue()];

    NSString *profileId = @"123456";

    NSString *myPassword = [[NSUserDefaults standardUserDefaults] stringForKey:@"userPassword"];
    [[NSUserDefaults standardUserDefaults] synchronize];


    NSXMLElement *history = [NSXMLElement elementWithName:@"history"];
    [history addAttributeWithName:@"maxstanzas" stringValue:@"10"];
    [_xmppRoom joinRoomUsingNickname:profileId history:history password:myPassword];

如何加入指定消息数的聊天室

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