在QQ通讯录之前拦截短信（android）_安卓怎么拦截非通讯录短信-优快云博客

本文介绍了一种基于Android系统的短信监听及处理机制实现方案。通过注册ContentObserver和BroadcastReceiver监听新短信到来，利用工作线程处理短信数据，避免UI线程阻塞。同时实现了短信过滤功能。

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  // 监听注册
 
      public void register(Handler handler, IProcessObser processObser)
 
      {
 
          mContext.getContentResolver().registerContentObserver(Uri.parse("content://sms/"), true, mSmsObserver);
 
          IntentFilter filter = new IntentFilter("android.provider.Telephony.SMS_RECEIVED");
 
          filter.setPriority(Integer.MAX_VALUE);
 
          mContext.registerReceiver(mSmsReceive, filter);
 
          mSmsHandler.addProcessObser(handler, processObser);
 
      }
 
      // 反注册
 
      public void unRegister()
 
      {
 
          mContext.getContentResolver().unregisterContentObserver(mSmsObserver);
 
          mContext.unregisterReceiver(mSmsReceive);
 
          mSmsHandler.removeProcessObser();
 
      }
 
      // 销毁工作线程
 
      public void destory()
 
      {
 
          mThreadExitFlag = true;
 
          synchronized (mWorkThread) {
 
              mWorkThread.notify();
 
          }
 
      }
 
      class SmsObserver extends ContentObserver
 
      {
 
          public SmsObserver(Handler handler) {
 
              super(handler);
 
              // TODO Auto-generated constructor stub    
 
          }
 
          @Override
 
          public void onChange(boolean selfChange) {
 
              // TODO Auto-generated method stub
 
              super.onChange(selfChange);            
 
              // onChange的执行是在UI线程里做的，所以不能直接去做遍历数据库的耗时操作
 
              synchronized (mWorkThread) {
 
                  mWorkThread.notify();               // 唤醒工作线程
 
              }
 
          }
 
      }
 
      class WorkThread extends Thread
 
      {
 
          @Override
 
          public void run() {
 
              // TODO Auto-generated method stub
 
              while(true)
 
              {
 
                  synchronized (this) {
 
                      try {
 
                          wait();
 
                      } catch (InterruptedException e) {
 
                          // TODO Auto-generated catch block
 
                          e.printStackTrace();
 
                      }
 
                      if (mThreadExitFlag == true)
 
                      {
 
                          break;
 
                      }
 
                  }
 
                  try {
 
                      mSmsHandler.doWork();
 
                  } catch (Exception e) {
 
                      // TODO Auto-generated catch block
 
                      e.printStackTrace();
 
                  }
 
              }
 
          }
 
      }
 
      public class SMSReceive extends BroadcastReceiver {
 
          private final static String TAG = "SMSReceive";
 
          public void onReceive(Context context, Intent intent) {
 
              // TODO Auto-generated method stub
 
              Bundle bundle = intent.getExtras();
 
              Object messages[] = (Object[]) bundle.get("pdus");
 
              SmsMessage smsMessage[] = new SmsMessage[messages.length];
 
              SmsInfo smsInfo = new SmsInfo();
 
              StringBuffer sBuffer = new StringBuffer();
 
              for(int n = 0; n < messages.length; n++)
 
              {
 
                  smsMessage[n]= SmsMessage.createFromPdu((byte[]) messages[n]);
 
                  sBuffer.append(smsMessage[n].getMessageBody());
 
                  smsInfo.address = smsMessage[n].getOriginatingAddress();
 
              }
 
              smsInfo.body = sBuffer.toString();
 
              smsInfo.date = String.valueOf(System.currentTimeMillis());
 
              if (SmsFilter.isFilter(smsInfo))                // 过滤短信并处理
 
              {
 
                  abortBroadcast();  
 
                  mSmsHandler.processSMSInfo(smsInfo);
 
              }
 
          }
 
      }