离线消息显示为???? , aSmack 和 openfire

Posted 2023-02-24

【中文标题】离线消息显示为???? , aSmack 和 openfire

【英文标题】：Offline message show as ???? , aSmack and openfire

【发布时间】：2014-09-30 09:14:16

【问题描述】：

我在聊天应用中使用 asmack 和 openfire 有两个问题：

离线消息编码问题：

用户 A 向用户 B 发送消息（离线） B 可以收到离线消息，但是当用户 A 使用波斯字符时，用户 B 会看到类似“????”的消息。 如何检测消息已发送？

我使用以下代码将消息设置为已发送。 当我有良好的互联网接入但有时使用较差的互联网接入时，下面的代码可以工作，消息设置为已发送但并未真正发送。

try 
    connection.sendPacket(msg);
    db.setMessageState(id, MessageModel.STATE_SENT);
 catch (Exception e) 
    db.setMessageState(id, MessageModel.STATE_ERROR);

编辑：

我的第一个问题已解决，this 链接可能会有所帮助。

【问题讨论】：

我不熟悉开火，但如果你检查一下是真的解码问题还是显示会很好

我使用相同的方式显示离线/在线消息，并且在线消息没有问题（用户 B 在线）并且在从服务器面板查看存档消息时出现编码问题，谢谢

请不要在同一篇文章中提出多个问题。

【参考方案1】：

configureConnection(ProviderManager.getInstance());
             OfflineMessageManager offlineManager = new OfflineMessageManager( 
               connection);
             int count = offlineManager.getMessageCount();
                    Iterator<Message> it = offlineManager.getMessages();
                        while (it.hasNext()) 
                                Message m = it.next();
                                String fromName = m.getFrom();
                                //Date currentDate = new Date();
                                String text = m.getBody() + " (offline)";
                                if(fromName.contains("/Smack"))
                                    fromName = fromName.replace("/Smack","");
                                
                                Log.i("offile chat message with user name ",text+" username "+fromName);
                                dbHelper.addmessageUser(fromName, text, "0", "1",""+System.currentTimeMillis());
                                if(offlineMsgs.containsKey(fromName))    
                                    
                                    offlineMsgs.get(fromName).add(m);    
                                else    
                                    ArrayList<Message> temp = new ArrayList<Message>();    
                                    temp.add(m);    
                                    offlineMsgs.put(fromName, temp);    
                                 
                                // ...
                        


                        offlineManager.deleteMessages();



    // 
 public void configureConnection(ProviderManager pm) 


         // Private Data Storage
            pm.addIQProvider("query", "jabber:iq:private", new PrivateDataManager.PrivateDataIQProvider());
            // Time
            try
            
                pm.addIQProvider("query", "jabber:iq:time", Class.forName("org.jivesoftware.smackx.packet.Time"));
            
            catch (ClassNotFoundException e) 
            
                Log.w("TestClient", "Can't load class for org.jivesoftware.smackx.packet.Time");
            
            // Roster Exchange
            pm.addExtensionProvider("x", "jabber:x:roster", new RosterExchangeProvider());
            // Message Events
            pm.addExtensionProvider("x", "jabber:x:event", new MessageEventProvider());
            // Chat State
            pm.addExtensionProvider("active", "http://jabber.org/protocol/chatstates", new ChatStateExtension.Provider());
            pm.addExtensionProvider("composing", "http://jabber.org/protocol/chatstates", new ChatStateExtension.Provider());
            pm.addExtensionProvider("paused", "http://jabber.org/protocol/chatstates", new ChatStateExtension.Provider());
            pm.addExtensionProvider("inactive", "http://jabber.org/protocol/chatstates", new ChatStateExtension.Provider());
            pm.addExtensionProvider("gone", "http://jabber.org/protocol/chatstates", new ChatStateExtension.Provider());
            // Xhtml
            pm.addExtensionProvider("html", "http://jabber.org/protocol/xhtml-im", new XHTMLExtensionProvider());
            // Group Chat Invitations
            pm.addExtensionProvider("x", "jabber:x:conference", new GroupChatInvitation.Provider());
            // Service Discovery # Items
            pm.addIQProvider("query", "http://jabber.org/protocol/disco#items", new DiscoverItemsProvider());
            // Service Discovery # Info
            pm.addIQProvider("query", "http://jabber.org/protocol/disco#info", new DiscoverInfoProvider());
            // Data Forms
            pm.addExtensionProvider("x", "jabber:x:data", new DataFormProvider());
            // MUC User
            pm.addExtensionProvider("x", "http://jabber.org/protocol/muc#user", new MUCUserProvider());
            // MUC Admin
            pm.addIQProvider("query", "http://jabber.org/protocol/muc#admin", new MUCAdminProvider());
            // MUC Owner
            pm.addIQProvider("query", "http://jabber.org/protocol/muc#owner", new MUCOwnerProvider());
            // Delayed Delivery
            pm.addExtensionProvider("x", "jabber:x:delay", new DelayInformationProvider());
            // Version
            try
            
                pm.addIQProvider("query", "jabber:iq:version", Class.forName("org.jivesoftware.smackx.packet.Version"));
            
            catch (ClassNotFoundException e) 
            
                // Not sure what's happening here.
            
            // VCard
            pm.addIQProvider("vCard", "vcard-temp", new VCardProvider());
            // Offline Message Requests
            pm.addIQProvider("offline", "http://jabber.org/protocol/offline", new OfflineMessageRequest.Provider());
            // Offline Message Indicator
            pm.addExtensionProvider("offline", "http://jabber.org/protocol/offline", new OfflineMessageInfo.Provider());
            // Last Activity
            pm.addIQProvider("query", "jabber:iq:last", new LastActivity.Provider());
            // User Search
            pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
            // SharedGroupsInfo
            pm.addIQProvider("sharedgroup", "http://www.jivesoftware.org/protocol/sharedgroup", new SharedGroupsInfo.Provider());
            // JEP-33: Extended Stanza Addressing
            pm.addExtensionProvider("addresses", "http://jabber.org/protocol/address", new MultipleAddressesProvider());
            // FileTransfer
            pm.addIQProvider("si", "http://jabber.org/protocol/si", new StreamInitiationProvider());
            pm.addIQProvider("query", "http://jabber.org/protocol/bytestreams", new BytestreamsProvider());
            // Privacy
            pm.addIQProvider("query", "jabber:iq:privacy", new PrivacyProvider());
            pm.addIQProvider("command", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider());
            pm.addExtensionProvider("malformed-action", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider.MalformedActionError());
            pm.addExtensionProvider("bad-locale", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider.BadLocaleError());
            pm.addExtensionProvider("bad-payload", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider.BadPayloadError());
            pm.addExtensionProvider("bad-sessionid", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider.BadSessionIDError());
            pm.addExtensionProvider("session-expired", "http://jabber.org/protocol/commands", new AdHocCommandDataProvider.SessionExpiredError());