android源码短信发送流程

Android短信 首先调用 mWorkingMessage.send(); 发送短信 mWorkingMessage.send(); 不用猜测他是什么你就当作是Button的OnClick把 mWorkingMessage.send()｛         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {             LogTag.debug("send");         }         // Get ready to write to disk.         prepareForSave(true /* notify */);         // We need the recipient list for both SMS and MMS.         final Conversation conv = mConversation;         String msgTxt = mText.toString();         if (requiresMms() || addressContainsEmailToMms(conv, msgTxt)) {             // Make local copies of the bits we need for sending a message,             // because we will be doing it off of the main thread, which will             // immediately continue on to resetting some of this state.         //使我们的比特的信息需要发送一个本地副本，             //因为我们将做它关闭了主线程，这将             //立即继续以这种状态重置一些             final Uri mmsUri = mMessageUri;             final PduPersister persister = PduPersister.getPduPersister(mContext);             final SlideshowModel slideshow = mSlideshow;             final SendReq sendReq = makeSendReq(conv, mSubject);             // Make sure the text in slide 0 is no longer holding onto a reference to the text             // in the message text box.             slideshow.prepareForSend();             // Do the dirty work of sending the message off of the main UI thread.             new Thread(new Runnable() {                 public void run() {                     sendMmsWorker(conv, mmsUri, persister, slideshow, sendReq);                 }             }).start();         } else {             // Same rules apply as above.             final String msgText = mText.toString();             new Thread(new Runnable() {                 public void run() {                     sendSmsWorker(conv, msgText); //抓住这点继续追查                 }             }).start();         }         // update the Recipient cache with the new to address, if it's different更新了新的收件人地址缓存，如果它的不同         RecipientIdCache.updateNumbers(conv.getThreadId(), conv.getRecipients());         // Mark the message as discarded because it is "off the market" after being sent.         mDiscarded = true;     ｝ //-------------------------------------------------------------------------------------------------------------------    sendSmsWorker(conv, msgText)｛         mStatusListener.onPreMessageSent();         // Make sure we are still using the correct thread ID for our         // recipient set.         long threadId = conv.ensureThreadId();         String[] dests = conv.getRecipients().getNumbers(); //获取收件人的号码         try {         MessageSender sender = new SmsMessageSender(mContext, dests, msgText, threadId);//构造一个MessageSender             sender.sendMessage(threadId); //继续追查数据是怎么发送的             // Make sure this thread isn't over the limits in message count             Recycler.getSmsRecycler().deleteOldMessagesByThreadId(mContext, threadId);        } catch (Exception e) {             Log.e(TAG, "Failed to send SMS message, threadId=" + threadId, e);         }         mStatusListener.onMessageSent();     ｝ //一个默认的构造函数 没有什么特别的地方 public SmsMessageSender(Context context, String[] dests, String msgText, long threadId) {         mContext = context;         mMessageText = msgText;         mNumberOfDests = dests.length;         mDests = new String[mNumberOfDests];         System.arraycopy(dests, 0, mDests, 0, mNumberOfDests);         mTimestamp = System.currentTimeMillis();         mThreadId = threadId;         mServiceCenter = getOutgoingServiceCenter(mThreadId);     } //----------------------------------------------------------------------------- sender.sendMessage(threadId){         if ((mMessageText == null) || (mNumberOfDests == 0)) {             // Don't try to send an empty message.             throw new MmsException("Null message body or dest.");         }         SmsManager smsManager = SmsManager.getDefault(); //群体发送短信         for (int i = 0; i < mNumberOfDests; i++) {             ArrayList messages = null; //将要发送的短信             if ((MmsConfig.getEmailGateway() != null) &&                     (Mms.isEmailAddress(mDests[i]) || MessageUtils.isAlias(mDests[i]))) {                 String msgText;                 msgText = mDests[i] + " " + mMessageText; //对消息组装   我：你好                 mDests[i] = MmsConfig.getEmailGateway();                 messages = smsManager.divideMessage(msgText);             } else {                messages = smsManager.divideMessage(mMessageText);             }             int messageCount = messages.size();//短信条数             if (messageCount == 0) {                 // Don't try to send an empty message.                 throw new MmsException("SmsMessageSender.sendMessage: divideMessage returned " +                         "empty messages. Original message is \"" + mMessageText + "\"");             }             ArrayList deliveryIntents =                     new ArrayList(messageCount);             ArrayList sentIntents =                     new ArrayList(messageCount);             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);             boolean requestDeliveryReport = prefs.getBoolean(                     MessagingPreferenceActivity.SMS_DELIVERY_REPORT_MODE,                     DEFAULT_DELIVERY_REPORT_MODE);             Uri uri = null;             try {                 uri = Sms.Outbox.addMessage(mContext.getContentResolver(), mDests[i],                             mMessageText, null, mTimestamp, requestDeliveryReport, mThreadId); //将要发送的短信添加到数据库中             } catch (SQLiteException e) {                 SqliteWrapper.checkSQLiteException(mContext, e);             }             for (int j = 0; j < messageCount; j++) {                 if (requestDeliveryReport) {                     // TODO: Fix: It should not be necessary to                     // specify the class in this intent. Doing that                     // unnecessarily limits customizability.                     deliveryIntents.add(PendingIntent.getBroadcast(                             mContext, 0,                             new Intent(                                     MessageStatusReceiver.MESSAGE_STATUS_RECEIVED_ACTION,                                     uri,                                     mContext,                                     MessageStatusReceiver.class),                             0));                 }                 sentIntents.add(PendingIntent.getBroadcast(                         mContext, 0,                         new Intent(SmsReceiverService.MESSAGE_SENT_ACTION,                                 uri,                                 mContext,                                 SmsReceiver.class),                         0));             }             if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {                 log("sendMessage: address[" + i + "]=" + mDests[i] + ", threadId=" + mThreadId +                         ", uri=" + uri + ", msgs.count=" + messageCount);             }             try {                 smsManager.sendMultipartTextMessage( //该是核心发送模块了吧 结果失望了                                           mDests[i], mServiceCenter, messages, sentIntents,                         deliveryIntents);             } catch (Exception ex) {                 throw new MmsException("SmsMessageSender.sendMessage: caught " + ex +                         " from SmsManager.sendMultipartTextMessage()");             }         }         return false;     } //----------------------------------------------------------------- smsManager.sendMultipartTextMessage(                                            mDests[i], mServiceCenter, messages, sentIntents,                         deliveryIntents){    String destinationAddress,   //对方地址             String scAddress,           //消息中心                  ArrayList parts,    //消息 不过是大块的分成小块的啦             ArrayList sentIntents,             ArrayList deliveryIntents) {         if (TextUtils.isEmpty(destinationAddress)) {             throw new IllegalArgumentException("Invalid destinationAddress");         }         if (parts == null || parts.size() < 1) {             throw new IllegalArgumentException("Invalid message body");         }         if (parts.size() > 1) {             try {                 ISms iccISms = ISms.Stub.asInterface(ServiceManager.getService("isms"));                 if (iccISms != null) {                     iccISms.sendMultipartText(destinationAddress, scAddress, parts,                             sentIntents, deliveryIntents);                 }             } catch (RemoteException ex) {                 // ignore it             }         } else {             PendingIntent sentIntent = null;             PendingIntent deliveryIntent = null;             if (sentIntents != null && sentIntents.size() > 0) {                 sentIntent = sentIntents.get(0);             }             if (deliveryIntents != null && deliveryIntents.size() > 0) {                 deliveryIntent = deliveryIntents.get(0);             }             sendTextMessage(destinationAddress, scAddress, parts.get(0),                     sentIntent, deliveryIntent); //继续追查ing         } } //------------------------------------------------------------------ sendTextMessage(destinationAddress, scAddress, parts.get(0),                     sentIntent, deliveryIntent){        String destinationAddress, String scAddress, String text,             PendingIntent sentIntent, PendingIntent deliveryIntent) {         if (TextUtils.isEmpty(destinationAddress)) {             throw new IllegalArgumentException("Invalid destinationAddress");         }         if (TextUtils.isEmpty(text)) {             throw new IllegalArgumentException("Invalid message body");         }         try {             ISms iccISms = ISms.Stub.asInterface(ServiceManager.getService("isms")); //获得分布式通知服务             if (iccISms != null) {                 iccISms.sendText(destinationAddress, scAddress, text, sentIntent, deliveryIntent); //终于到了核心发送模块             }         } catch (RemoteException ex) {             // ignore it         } }