如何在Smack中使用XMPP XEP-0184「信息傳遞收據」？

Question

嗨，有沒有辦法做android xmpp客戶端，它將能夠得到消息接收確認（XEP-0184）我讀到，有smack XEP-0184，但普通smack不工作與android（或我不能這樣做）始終存在SASL認證異常。

Answer 1

Smack通過SMACK-331獲得了對XEP-0184的支持。你不能直接在Android下使用Smack < 4.1，你需要Smack 4.1（或更高版本）。

您可以在DeliveryReceiptManager的javadoc中閱讀更多關於Smack的XEP-0184 API。

Answer 2

是的這適用於普通的Smack。

搖籃依賴

compile "org.igniterealtime.smack:smack-android:4.1.0" 
compile "org.igniterealtime.smack:smack-tcp:4.1.0" 
compile "org.igniterealtime.smack:smack-extensions:4.1.0" // <-- XEP-0184 classes 

準備XMPPTCPConnection即在連接前（）線，當你得到一個送達回執

DeliveryReceiptManager.getInstanceFor(mConnection).addReceiptReceivedListener(new ReceiptReceivedListener() { 
     @Override 
     public void onReceiptReceived(String fromJid, String toJid, String deliveryReceiptId, Stanza stanza) { 
      Log.d(TAG, "onReceiptReceived: from: " + fromJid + " to: " + toJid + " deliveryReceiptId: " + deliveryReceiptId + " stanza: " + stanza); 
     } 
    }); 

發送郵件時的處理程序，確保您包含MessageReceiptRequest

Chat chat; 
if (StringUtils.isNullOrEmpty(threadId)) { 
    chat = getChatManager().createChat(to); 
    Log.d(TAG, "sendMessage: no thread id so created Chat with id: " + chat.getThreadID()); 
} else { 
    chat = getChatManager().getThreadChat(threadId); 
    Log.d(TAG, "sendMessage: thread id was used to continue this chat"); 
} 
Message message = new Message(to); 
message.addBody("EN", messageText); 
String deliveryReceiptId = DeliveryReceiptRequest.addTo(message); 
chat.sendMessage(message); 
Log.d(TAG, "sendMessage: deliveryReceiptId for this message is: " + deliveryReceiptId); 

全部完成

現在，你可以知道什麼時候已經被對方收到發送消息，因爲在Chat.sendMessage（消息）代碼獲得deliveryReceiptId以上將被onReceiptReceived回調記錄早些時候設置。