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      1 /*
      2  * Copyright (C) 2007-2008 Esmertec AG.
      3  * Copyright (C) 2007-2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.transaction;
     19 
     20 import static android.content.Intent.ACTION_BOOT_COMPLETED;
     21 import static android.provider.Telephony.Sms.Intents.SMS_RECEIVED_ACTION;
     22 
     23 import java.util.Calendar;
     24 import java.util.GregorianCalendar;
     25 
     26 import com.android.mms.data.Contact;
     27 import com.android.mms.data.Conversation;
     28 import com.android.mms.ui.ClassZeroActivity;
     29 import com.android.mms.util.Recycler;
     30 import com.android.mms.util.SendingProgressTokenManager;
     31 import com.android.mms.widget.MmsWidgetProvider;
     32 import com.google.android.mms.MmsException;
     33 import android.database.sqlite.SqliteWrapper;
     34 
     35 import android.app.Activity;
     36 import android.app.Service;
     37 import android.content.ContentResolver;
     38 import android.content.ContentUris;
     39 import android.content.ContentValues;
     40 import android.content.Context;
     41 import android.content.Intent;
     42 import android.content.IntentFilter;
     43 import android.database.Cursor;
     44 import android.net.Uri;
     45 import android.os.Handler;
     46 import android.os.HandlerThread;
     47 import android.os.IBinder;
     48 import android.os.Looper;
     49 import android.os.Message;
     50 import android.os.Process;
     51 import android.provider.Telephony.Sms;
     52 import android.provider.Telephony.Threads;
     53 import android.provider.Telephony.Sms.Inbox;
     54 import android.provider.Telephony.Sms.Intents;
     55 import android.provider.Telephony.Sms.Outbox;
     56 import android.telephony.ServiceState;
     57 import android.telephony.SmsManager;
     58 import android.telephony.SmsMessage;
     59 import android.text.TextUtils;
     60 import android.util.Log;
     61 import android.widget.Toast;
     62 
     63 import com.android.internal.telephony.TelephonyIntents;
     64 import com.android.mms.R;
     65 import com.android.mms.LogTag;
     66 
     67 /**
     68  * This service essentially plays the role of a "worker thread", allowing us to store
     69  * incoming messages to the database, update notifications, etc. without blocking the
     70  * main thread that SmsReceiver runs on.
     71  */
     72 public class SmsReceiverService extends Service {
     73     private static final String TAG = "SmsReceiverService";
     74 
     75     private ServiceHandler mServiceHandler;
     76     private Looper mServiceLooper;
     77     private boolean mSending;
     78 
     79     public static final String MESSAGE_SENT_ACTION =
     80         "com.android.mms.transaction.MESSAGE_SENT";
     81 
     82     // Indicates next message can be picked up and sent out.
     83     public static final String EXTRA_MESSAGE_SENT_SEND_NEXT ="SendNextMsg";
     84 
     85     public static final String ACTION_SEND_MESSAGE =
     86         "com.android.mms.transaction.SEND_MESSAGE";
     87 
     88     // This must match the column IDs below.
     89     private static final String[] SEND_PROJECTION = new String[] {
     90         Sms._ID,        //0
     91         Sms.THREAD_ID,  //1
     92         Sms.ADDRESS,    //2
     93         Sms.BODY,       //3
     94         Sms.STATUS,     //4
     95 
     96     };
     97 
     98     public Handler mToastHandler = new Handler();
     99 
    100     // This must match SEND_PROJECTION.
    101     private static final int SEND_COLUMN_ID         = 0;
    102     private static final int SEND_COLUMN_THREAD_ID  = 1;
    103     private static final int SEND_COLUMN_ADDRESS    = 2;
    104     private static final int SEND_COLUMN_BODY       = 3;
    105     private static final int SEND_COLUMN_STATUS     = 4;
    106 
    107     private int mResultCode;
    108 
    109     @Override
    110     public void onCreate() {
    111         // Temporarily removed for this duplicate message track down.
    112 //        if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    113 //            Log.v(TAG, "onCreate");
    114 //        }
    115 
    116         // Start up the thread running the service.  Note that we create a
    117         // separate thread because the service normally runs in the process's
    118         // main thread, which we don't want to block.
    119         HandlerThread thread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND);
    120         thread.start();
    121 
    122         mServiceLooper = thread.getLooper();
    123         mServiceHandler = new ServiceHandler(mServiceLooper);
    124     }
    125 
    126     @Override
    127     public int onStartCommand(Intent intent, int flags, int startId) {
    128         // Temporarily removed for this duplicate message track down.
    129 
    130         mResultCode = intent != null ? intent.getIntExtra("result", 0) : 0;
    131 
    132         if (mResultCode != 0) {
    133             Log.v(TAG, "onStart: #" + startId + " mResultCode: " + mResultCode +
    134                     " = " + translateResultCode(mResultCode));
    135         }
    136 
    137         Message msg = mServiceHandler.obtainMessage();
    138         msg.arg1 = startId;
    139         msg.obj = intent;
    140         mServiceHandler.sendMessage(msg);
    141         return Service.START_NOT_STICKY;
    142     }
    143 
    144     private static String translateResultCode(int resultCode) {
    145         switch (resultCode) {
    146             case Activity.RESULT_OK:
    147                 return "Activity.RESULT_OK";
    148             case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
    149                 return "SmsManager.RESULT_ERROR_GENERIC_FAILURE";
    150             case SmsManager.RESULT_ERROR_RADIO_OFF:
    151                 return "SmsManager.RESULT_ERROR_RADIO_OFF";
    152             case SmsManager.RESULT_ERROR_NULL_PDU:
    153                 return "SmsManager.RESULT_ERROR_NULL_PDU";
    154             case SmsManager.RESULT_ERROR_NO_SERVICE:
    155                 return "SmsManager.RESULT_ERROR_NO_SERVICE";
    156             case SmsManager.RESULT_ERROR_LIMIT_EXCEEDED:
    157                 return "SmsManager.RESULT_ERROR_LIMIT_EXCEEDED";
    158             case SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE:
    159                 return "SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE";
    160             default:
    161                 return "Unknown error code";
    162         }
    163     }
    164 
    165     @Override
    166     public void onDestroy() {
    167         // Temporarily removed for this duplicate message track down.
    168 //        if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    169 //            Log.v(TAG, "onDestroy");
    170 //        }
    171         mServiceLooper.quit();
    172     }
    173 
    174     @Override
    175     public IBinder onBind(Intent intent) {
    176         return null;
    177     }
    178 
    179     private final class ServiceHandler extends Handler {
    180         public ServiceHandler(Looper looper) {
    181             super(looper);
    182         }
    183 
    184         /**
    185          * Handle incoming transaction requests.
    186          * The incoming requests are initiated by the MMSC Server or by the MMS Client itself.
    187          */
    188         @Override
    189         public void handleMessage(Message msg) {
    190             int serviceId = msg.arg1;
    191             Intent intent = (Intent)msg.obj;
    192             if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    193                 Log.v(TAG, "handleMessage serviceId: " + serviceId + " intent: " + intent);
    194             }
    195             if (intent != null) {
    196                 String action = intent.getAction();
    197 
    198                 int error = intent.getIntExtra("errorCode", 0);
    199 
    200                 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    201                     Log.v(TAG, "handleMessage action: " + action + " error: " + error);
    202                 }
    203 
    204                 if (MESSAGE_SENT_ACTION.equals(intent.getAction())) {
    205                     handleSmsSent(intent, error);
    206                 } else if (SMS_RECEIVED_ACTION.equals(action)) {
    207                     handleSmsReceived(intent, error);
    208                 } else if (ACTION_BOOT_COMPLETED.equals(action)) {
    209                     handleBootCompleted();
    210                 } else if (TelephonyIntents.ACTION_SERVICE_STATE_CHANGED.equals(action)) {
    211                     handleServiceStateChanged(intent);
    212                 } else if (ACTION_SEND_MESSAGE.endsWith(action)) {
    213                     handleSendMessage();
    214                 }
    215             }
    216             // NOTE: We MUST not call stopSelf() directly, since we need to
    217             // make sure the wake lock acquired by AlertReceiver is released.
    218             SmsReceiver.finishStartingService(SmsReceiverService.this, serviceId);
    219         }
    220     }
    221 
    222     private void handleServiceStateChanged(Intent intent) {
    223         // If service just returned, start sending out the queued messages
    224         ServiceState serviceState = ServiceState.newFromBundle(intent.getExtras());
    225         if (serviceState.getState() == ServiceState.STATE_IN_SERVICE) {
    226             sendFirstQueuedMessage();
    227         }
    228     }
    229 
    230     private void handleSendMessage() {
    231         if (!mSending) {
    232             sendFirstQueuedMessage();
    233         }
    234     }
    235 
    236     public synchronized void sendFirstQueuedMessage() {
    237         boolean success = true;
    238         // get all the queued messages from the database
    239         final Uri uri = Uri.parse("content://sms/queued");
    240         ContentResolver resolver = getContentResolver();
    241         Cursor c = SqliteWrapper.query(this, resolver, uri,
    242                         SEND_PROJECTION, null, null, "date ASC");   // date ASC so we send out in
    243                                                                     // same order the user tried
    244                                                                     // to send messages.
    245         if (c != null) {
    246             try {
    247                 if (c.moveToFirst()) {
    248                     String msgText = c.getString(SEND_COLUMN_BODY);
    249                     String address = c.getString(SEND_COLUMN_ADDRESS);
    250                     int threadId = c.getInt(SEND_COLUMN_THREAD_ID);
    251                     int status = c.getInt(SEND_COLUMN_STATUS);
    252 
    253                     int msgId = c.getInt(SEND_COLUMN_ID);
    254                     Uri msgUri = ContentUris.withAppendedId(Sms.CONTENT_URI, msgId);
    255 
    256                     SmsMessageSender sender = new SmsSingleRecipientSender(this,
    257                             address, msgText, threadId, status == Sms.STATUS_PENDING,
    258                             msgUri);
    259 
    260                     if (LogTag.DEBUG_SEND ||
    261                             LogTag.VERBOSE ||
    262                             Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    263                         Log.v(TAG, "sendFirstQueuedMessage " + msgUri +
    264                                 ", address: " + address +
    265                                 ", threadId: " + threadId);
    266                     }
    267 
    268                     try {
    269                         sender.sendMessage(SendingProgressTokenManager.NO_TOKEN);;
    270                         mSending = true;
    271                     } catch (MmsException e) {
    272                         Log.e(TAG, "sendFirstQueuedMessage: failed to send message " + msgUri
    273                                 + ", caught ", e);
    274                         mSending = false;
    275                         messageFailedToSend(msgUri, SmsManager.RESULT_ERROR_GENERIC_FAILURE);
    276                         success = false;
    277                     }
    278                 }
    279             } finally {
    280                 c.close();
    281             }
    282         }
    283         if (success) {
    284             // We successfully sent all the messages in the queue. We don't need to
    285             // be notified of any service changes any longer.
    286             unRegisterForServiceStateChanges();
    287         }
    288     }
    289 
    290     private void handleSmsSent(Intent intent, int error) {
    291         Uri uri = intent.getData();
    292         mSending = false;
    293         boolean sendNextMsg = intent.getBooleanExtra(EXTRA_MESSAGE_SENT_SEND_NEXT, false);
    294 
    295         if (LogTag.DEBUG_SEND) {
    296             Log.v(TAG, "handleSmsSent uri: " + uri + " sendNextMsg: " + sendNextMsg +
    297                     " mResultCode: " + mResultCode +
    298                     " = " + translateResultCode(mResultCode) + " error: " + error);
    299         }
    300 
    301         if (mResultCode == Activity.RESULT_OK) {
    302             if (LogTag.DEBUG_SEND || Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    303                 Log.v(TAG, "handleSmsSent move message to sent folder uri: " + uri);
    304             }
    305             if (!Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_SENT, error)) {
    306                 Log.e(TAG, "handleSmsSent: failed to move message " + uri + " to sent folder");
    307             }
    308             if (sendNextMsg) {
    309                 sendFirstQueuedMessage();
    310             }
    311 
    312             // Update the notification for failed messages since they may be deleted.
    313             MessagingNotification.nonBlockingUpdateSendFailedNotification(this);
    314         } else if ((mResultCode == SmsManager.RESULT_ERROR_RADIO_OFF) ||
    315                 (mResultCode == SmsManager.RESULT_ERROR_NO_SERVICE)) {
    316             if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    317                 Log.v(TAG, "handleSmsSent: no service, queuing message w/ uri: " + uri);
    318             }
    319             // We got an error with no service or no radio. Register for state changes so
    320             // when the status of the connection/radio changes, we can try to send the
    321             // queued up messages.
    322             registerForServiceStateChanges();
    323             // We couldn't send the message, put in the queue to retry later.
    324             Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_QUEUED, error);
    325             mToastHandler.post(new Runnable() {
    326                 public void run() {
    327                     Toast.makeText(SmsReceiverService.this, getString(R.string.message_queued),
    328                             Toast.LENGTH_SHORT).show();
    329                 }
    330             });
    331         } else if (mResultCode == SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE) {
    332             mToastHandler.post(new Runnable() {
    333                 public void run() {
    334                     Toast.makeText(SmsReceiverService.this, getString(R.string.fdn_check_failure),
    335                             Toast.LENGTH_SHORT).show();
    336                 }
    337             });
    338         } else {
    339             messageFailedToSend(uri, error);
    340             if (sendNextMsg) {
    341                 sendFirstQueuedMessage();
    342             }
    343         }
    344     }
    345 
    346     private void messageFailedToSend(Uri uri, int error) {
    347         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    348             Log.v(TAG, "messageFailedToSend msg failed uri: " + uri + " error: " + error);
    349         }
    350         Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_FAILED, error);
    351         MessagingNotification.notifySendFailed(getApplicationContext(), true);
    352     }
    353 
    354     private void handleSmsReceived(Intent intent, int error) {
    355         SmsMessage[] msgs = Intents.getMessagesFromIntent(intent);
    356         String format = intent.getStringExtra("format");
    357         Uri messageUri = insertMessage(this, msgs, error, format);
    358 
    359         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    360             SmsMessage sms = msgs[0];
    361             Log.v(TAG, "handleSmsReceived" + (sms.isReplace() ? "(replace)" : "") +
    362                     " messageUri: " + messageUri +
    363                     ", address: " + sms.getOriginatingAddress() +
    364                     ", body: " + sms.getMessageBody());
    365         }
    366 
    367         if (messageUri != null) {
    368             long threadId = MessagingNotification.getSmsThreadId(this, messageUri);
    369             // Called off of the UI thread so ok to block.
    370             MessagingNotification.blockingUpdateNewMessageIndicator(this, threadId, false);
    371         }
    372     }
    373 
    374     private void handleBootCompleted() {
    375         // Some messages may get stuck in the outbox. At this point, they're probably irrelevant
    376         // to the user, so mark them as failed and notify the user, who can then decide whether to
    377         // resend them manually.
    378         int numMoved = moveOutboxMessagesToFailedBox();
    379         if (numMoved > 0) {
    380             MessagingNotification.notifySendFailed(getApplicationContext(), true);
    381         }
    382 
    383         // Send any queued messages that were waiting from before the reboot.
    384         sendFirstQueuedMessage();
    385 
    386         // Called off of the UI thread so ok to block.
    387         MessagingNotification.blockingUpdateNewMessageIndicator(
    388                 this, MessagingNotification.THREAD_ALL, false);
    389     }
    390 
    391     /**
    392      * Move all messages that are in the outbox to the failed state and set them to unread.
    393      * @return The number of messages that were actually moved
    394      */
    395     private int moveOutboxMessagesToFailedBox() {
    396         ContentValues values = new ContentValues(3);
    397 
    398         values.put(Sms.TYPE, Sms.MESSAGE_TYPE_FAILED);
    399         values.put(Sms.ERROR_CODE, SmsManager.RESULT_ERROR_GENERIC_FAILURE);
    400         values.put(Sms.READ, Integer.valueOf(0));
    401 
    402         int messageCount = SqliteWrapper.update(
    403                 getApplicationContext(), getContentResolver(), Outbox.CONTENT_URI,
    404                 values, "type = " + Sms.MESSAGE_TYPE_OUTBOX, null);
    405         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    406             Log.v(TAG, "moveOutboxMessagesToFailedBox messageCount: " + messageCount);
    407         }
    408         return messageCount;
    409     }
    410 
    411     public static final String CLASS_ZERO_BODY_KEY = "CLASS_ZERO_BODY";
    412 
    413     // This must match the column IDs below.
    414     private final static String[] REPLACE_PROJECTION = new String[] {
    415         Sms._ID,
    416         Sms.ADDRESS,
    417         Sms.PROTOCOL
    418     };
    419 
    420     // This must match REPLACE_PROJECTION.
    421     private static final int REPLACE_COLUMN_ID = 0;
    422 
    423     /**
    424      * If the message is a class-zero message, display it immediately
    425      * and return null.  Otherwise, store it using the
    426      * <code>ContentResolver</code> and return the
    427      * <code>Uri</code> of the thread containing this message
    428      * so that we can use it for notification.
    429      */
    430     private Uri insertMessage(Context context, SmsMessage[] msgs, int error, String format) {
    431         // Build the helper classes to parse the messages.
    432         SmsMessage sms = msgs[0];
    433 
    434         if (sms.getMessageClass() == SmsMessage.MessageClass.CLASS_0) {
    435             displayClassZeroMessage(context, sms, format);
    436             return null;
    437         } else if (sms.isReplace()) {
    438             return replaceMessage(context, msgs, error);
    439         } else {
    440             return storeMessage(context, msgs, error);
    441         }
    442     }
    443 
    444     /**
    445      * This method is used if this is a "replace short message" SMS.
    446      * We find any existing message that matches the incoming
    447      * message's originating address and protocol identifier.  If
    448      * there is one, we replace its fields with those of the new
    449      * message.  Otherwise, we store the new message as usual.
    450      *
    451      * See TS 23.040 9.2.3.9.
    452      */
    453     private Uri replaceMessage(Context context, SmsMessage[] msgs, int error) {
    454         SmsMessage sms = msgs[0];
    455         ContentValues values = extractContentValues(sms);
    456         values.put(Sms.ERROR_CODE, error);
    457         int pduCount = msgs.length;
    458 
    459         if (pduCount == 1) {
    460             // There is only one part, so grab the body directly.
    461             values.put(Inbox.BODY, replaceFormFeeds(sms.getDisplayMessageBody()));
    462         } else {
    463             // Build up the body from the parts.
    464             StringBuilder body = new StringBuilder();
    465             for (int i = 0; i < pduCount; i++) {
    466                 sms = msgs[i];
    467                 if (sms.mWrappedSmsMessage != null) {
    468                     body.append(sms.getDisplayMessageBody());
    469                 }
    470             }
    471             values.put(Inbox.BODY, replaceFormFeeds(body.toString()));
    472         }
    473 
    474         ContentResolver resolver = context.getContentResolver();
    475         String originatingAddress = sms.getOriginatingAddress();
    476         int protocolIdentifier = sms.getProtocolIdentifier();
    477         String selection =
    478                 Sms.ADDRESS + " = ? AND " +
    479                 Sms.PROTOCOL + " = ?";
    480         String[] selectionArgs = new String[] {
    481             originatingAddress, Integer.toString(protocolIdentifier)
    482         };
    483 
    484         Cursor cursor = SqliteWrapper.query(context, resolver, Inbox.CONTENT_URI,
    485                             REPLACE_PROJECTION, selection, selectionArgs, null);
    486 
    487         if (cursor != null) {
    488             try {
    489                 if (cursor.moveToFirst()) {
    490                     long messageId = cursor.getLong(REPLACE_COLUMN_ID);
    491                     Uri messageUri = ContentUris.withAppendedId(
    492                             Sms.CONTENT_URI, messageId);
    493 
    494                     SqliteWrapper.update(context, resolver, messageUri,
    495                                         values, null, null);
    496                     return messageUri;
    497                 }
    498             } finally {
    499                 cursor.close();
    500             }
    501         }
    502         return storeMessage(context, msgs, error);
    503     }
    504 
    505     public static String replaceFormFeeds(String s) {
    506         // Some providers send formfeeds in their messages. Convert those formfeeds to newlines.
    507         return s.replace('\f', '\n');
    508     }
    509 
    510 //    private static int count = 0;
    511 
    512     private Uri storeMessage(Context context, SmsMessage[] msgs, int error) {
    513         SmsMessage sms = msgs[0];
    514 
    515         // Store the message in the content provider.
    516         ContentValues values = extractContentValues(sms);
    517         values.put(Sms.ERROR_CODE, error);
    518         int pduCount = msgs.length;
    519 
    520         if (pduCount == 1) {
    521             // There is only one part, so grab the body directly.
    522             values.put(Inbox.BODY, replaceFormFeeds(sms.getDisplayMessageBody()));
    523         } else {
    524             // Build up the body from the parts.
    525             StringBuilder body = new StringBuilder();
    526             for (int i = 0; i < pduCount; i++) {
    527                 sms = msgs[i];
    528                 if (sms.mWrappedSmsMessage != null) {
    529                     body.append(sms.getDisplayMessageBody());
    530                 }
    531             }
    532             values.put(Inbox.BODY, replaceFormFeeds(body.toString()));
    533         }
    534 
    535         // Make sure we've got a thread id so after the insert we'll be able to delete
    536         // excess messages.
    537         Long threadId = values.getAsLong(Sms.THREAD_ID);
    538         String address = values.getAsString(Sms.ADDRESS);
    539 
    540         // Code for debugging and easy injection of short codes, non email addresses, etc.
    541         // See Contact.isAlphaNumber() for further comments and results.
    542 //        switch (count++ % 8) {
    543 //            case 0: address = "AB12"; break;
    544 //            case 1: address = "12"; break;
    545 //            case 2: address = "Jello123"; break;
    546 //            case 3: address = "T-Mobile"; break;
    547 //            case 4: address = "Mobile1"; break;
    548 //            case 5: address = "Dogs77"; break;
    549 //            case 6: address = "****1"; break;
    550 //            case 7: address = "#4#5#6#"; break;
    551 //        }
    552 
    553         if (!TextUtils.isEmpty(address)) {
    554             Contact cacheContact = Contact.get(address,true);
    555             if (cacheContact != null) {
    556                 address = cacheContact.getNumber();
    557             }
    558         } else {
    559             address = getString(R.string.unknown_sender);
    560             values.put(Sms.ADDRESS, address);
    561         }
    562 
    563         if (((threadId == null) || (threadId == 0)) && (address != null)) {
    564             threadId = Conversation.getOrCreateThreadId(context, address);
    565             values.put(Sms.THREAD_ID, threadId);
    566         }
    567 
    568         ContentResolver resolver = context.getContentResolver();
    569 
    570         Uri insertedUri = SqliteWrapper.insert(context, resolver, Inbox.CONTENT_URI, values);
    571 
    572         // Now make sure we're not over the limit in stored messages
    573         Recycler.getSmsRecycler().deleteOldMessagesByThreadId(context, threadId);
    574         MmsWidgetProvider.notifyDatasetChanged(context);
    575 
    576         return insertedUri;
    577     }
    578 
    579     /**
    580      * Extract all the content values except the body from an SMS
    581      * message.
    582      */
    583     private ContentValues extractContentValues(SmsMessage sms) {
    584         // Store the message in the content provider.
    585         ContentValues values = new ContentValues();
    586 
    587         values.put(Inbox.ADDRESS, sms.getDisplayOriginatingAddress());
    588 
    589         // Use now for the timestamp to avoid confusion with clock
    590         // drift between the handset and the SMSC.
    591         // Check to make sure the system is giving us a non-bogus time.
    592         Calendar buildDate = new GregorianCalendar(2011, 8, 18);    // 18 Sep 2011
    593         Calendar nowDate = new GregorianCalendar();
    594         long now = System.currentTimeMillis();
    595         nowDate.setTimeInMillis(now);
    596 
    597         if (nowDate.before(buildDate)) {
    598             // It looks like our system clock isn't set yet because the current time right now
    599             // is before an arbitrary time we made this build. Instead of inserting a bogus
    600             // receive time in this case, use the timestamp of when the message was sent.
    601             now = sms.getTimestampMillis();
    602         }
    603 
    604         values.put(Inbox.DATE, new Long(now));
    605         values.put(Inbox.DATE_SENT, Long.valueOf(sms.getTimestampMillis()));
    606         values.put(Inbox.PROTOCOL, sms.getProtocolIdentifier());
    607         values.put(Inbox.READ, 0);
    608         values.put(Inbox.SEEN, 0);
    609         if (sms.getPseudoSubject().length() > 0) {
    610             values.put(Inbox.SUBJECT, sms.getPseudoSubject());
    611         }
    612         values.put(Inbox.REPLY_PATH_PRESENT, sms.isReplyPathPresent() ? 1 : 0);
    613         values.put(Inbox.SERVICE_CENTER, sms.getServiceCenterAddress());
    614         return values;
    615     }
    616 
    617     /**
    618      * Displays a class-zero message immediately in a pop-up window
    619      * with the number from where it received the Notification with
    620      * the body of the message
    621      *
    622      */
    623     private void displayClassZeroMessage(Context context, SmsMessage sms, String format) {
    624         // Using NEW_TASK here is necessary because we're calling
    625         // startActivity from outside an activity.
    626         Intent smsDialogIntent = new Intent(context, ClassZeroActivity.class)
    627                 .putExtra("pdu", sms.getPdu())
    628                 .putExtra("format", format)
    629                 .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
    630                           | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
    631 
    632         context.startActivity(smsDialogIntent);
    633     }
    634 
    635     private void registerForServiceStateChanges() {
    636         Context context = getApplicationContext();
    637         unRegisterForServiceStateChanges();
    638 
    639         IntentFilter intentFilter = new IntentFilter();
    640         intentFilter.addAction(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED);
    641         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    642             Log.v(TAG, "registerForServiceStateChanges");
    643         }
    644 
    645         context.registerReceiver(SmsReceiver.getInstance(), intentFilter);
    646     }
    647 
    648     private void unRegisterForServiceStateChanges() {
    649         if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE) || LogTag.DEBUG_SEND) {
    650             Log.v(TAG, "unRegisterForServiceStateChanges");
    651         }
    652         try {
    653             Context context = getApplicationContext();
    654             context.unregisterReceiver(SmsReceiver.getInstance());
    655         } catch (IllegalArgumentException e) {
    656             // Allow un-matched register-unregister calls
    657         }
    658     }
    659 }
    660 
    661 
    662