Question

是否有可能在实际发送之前截取外发短信，获取其内容然后根据某些标准忽略/发送？

例如。阻止所有国际文本（带前导00的数字），但允许其他所有内容。

Answer 1

传入短信

您可以使用广播接收器拦截通过短信听众的传入短信。您可以修改传入的短信或将其销毁，使其不会到达收件箱。

外发短信

您可以通过将content observer放在content://sms/out上来收听外发短信，但您无法使用原生短信应用修改它。您显然可以修改content://sms/out的内容但它没有点。

Answer 2

根据我能够找到的内容，似乎答案是"It's impossible"或者说，它可能是可能的，但您需要write your own SMS app，以便您在收到短信之前收到了该短信，然后您可以在调用API实际排队将其发送之前执行您想要的任何检查。

抱歉=（

Answer 3

据我所知，您可以监听外发短信，但无法阻止他们被发送出去。

以下是检测外发短信的方法： Listen outgoing SMS or sent box in Android

但由于这基本上是通过从数据库中读取来完成的，我怀疑你可以阻止短信离开。

祝你好运。

灵光

Answer 4

这就是我所做的让OutgoingSMSReceiver希望它帮助一些人dya！

public final class OutgoingSMSReceiver extends Service {


    private static final String CONTENT_SMS = "content://sms/";
    private CallerHistoryDataSource  database =  new  CallerHistoryDataSource(UCDGlobalContextProvider.getContext());
    static String messageId="";


    private class MyContentObserver extends ContentObserver {



        public MyContentObserver() {
            super(null);
        }

        @Override
        public void onChange(boolean selfChange) {
            super.onChange(selfChange);


            Uri uriSMSURI = Uri.parse(CONTENT_SMS);
            Cursor cur = UCDGlobalContextProvider.getContext().getContentResolver().query(uriSMSURI, null, null, null, null);
             // this will make it point to the first record, which is the last SMS sent
            cur.moveToNext();

            String message_id = cur.getString(cur.getColumnIndex("_id"));
            String type = cur.getString(cur.getColumnIndex("type"));

            if(type.equals(Constants.SMS_TYPE_OUTGOING)){

                /**
                 *  onChange is fired multiple times for a single SMS, this is to prevent multiple entries in db.
                 * 
                 */
                if(!message_id.equals(messageId))
                {
                    String content = cur.getString(cur.getColumnIndex("body"));
                    String msisdnWithCountryCodeOrPrefix = cur.getString(cur.getColumnIndex("address"));
                    String msisdn = MSISDNPreFixHandler.fixMsisdn(msisdnWithCountryCodeOrPrefix);

                    Sms sms = new Sms();
                    sms.setType(Constants.SMS_TYPE_OUTGOING);
                    sms.setMsisdn(msisdn);
                    sms.setContent(content);



        Log.i("MyContentObserver", "Sent SMS saved: "+content);                                     

                }
                messageId = message_id;

            }

    }


        @Override
        public boolean deliverSelfNotifications() {
            return false;
        }
    }




    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        MyContentObserver contentObserver = new MyContentObserver();
        ContentResolver contentResolver = getBaseContext().getContentResolver();
        contentResolver.registerContentObserver(Uri.parse(CONTENT_SMS),true, contentObserver);
        //Log.v("Caller History: Service Started.", "OutgoingSMSReceiverService");
    }

    @Override
    public void onDestroy() {
        //Log.v("Caller History: Service Stopped.", "OutgoingSMSReceiverService");    
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        //Log.v("Caller History: Service Started.", "OutgoingSMSReceiverService");
        /**
         *   Constant to return from onStartCommand(Intent, int, int): if this service's process is killed while it is started 
         *   (after returning from onStartCommand(Intent, int, int)), then leave it in the started state but don't retain this delivered intent. 
         *   Later the system will try to re-create the service. Because it is in the started state, it will guarantee to call 
         *   onStartCommand(Intent, int, int) after creating the new service instance; if there are not any pending start commands to be 
         *   delivered to the service, it will be called with a null intent object, so you must take care to check for this.
         *   This mode makes sense for things that will be explicitly started and stopped to run for arbitrary periods of time, such as a 
         *   service performing background music playback.
         */
        return START_STICKY;

    }

    @Override
    public void onStart(Intent intent, int startid) {
        Log.v("Caller History: Service Started.", "OutgoingSMSReceiverService");
    }
}

Answer 5

基于“Saad Akbar”回复，我让它工作但只有root用户设备有权限MODIFY_PHONE_STATE

public class OutgoingSMSReceiver extends Service
{

private static final String CONTENT_SMS = "content://sms/";
static String messageId = "";

private class MyContentObserver extends ContentObserver
{

    Context context;
    private SharedPreferences prefs;
    private String phoneNumberBlocked;

    public MyContentObserver(Context context) {
        super(null);
        this.context = context;
    }

    @Override
    public void onChange(boolean selfChange)
    {
        super.onChange(selfChange);

        prefs = context.getSharedPreferences("com.example.testcall", Context.MODE_PRIVATE);
        phoneNumberBlocked = prefs.getString("numero", "");

        Uri uriSMSURI = Uri.parse(CONTENT_SMS);
        Cursor cur = context.getContentResolver().query(uriSMSURI, null, null, null, null);

        if (cur.moveToNext())
        {
            String message_id = cur.getString(cur.getColumnIndex("_id"));
            String type = cur.getString(cur.getColumnIndex("type"));
            String numeroTelephone=cur.getString(cur.getColumnIndex("address")).trim();

            if (numeroTelephone.equals(phoneNumberBlocked))
            {
                if (cur.getString(cur.getColumnIndex("type")).equals("6"))
                {                       
                    ContentValues values = new ContentValues();
                    values.put("type", "5");
                    context.getContentResolver().update(uriSMSURI,values,"_id= "+message_id,null);                          
                }
                else if(cur.getString(cur.getColumnIndex("type")).equals("5"))
                {                           context.getContentResolver().delete(uriSMSURI,"_id=?",new String[] { message_id});                      
                }
            }
        }
    }

    @Override
    public boolean deliverSelfNotifications()
    {
        return false;
    }
}

@Override
public void onCreate()
{
    MyContentObserver contentObserver = new MyContentObserver(getApplicationContext());
    ContentResolver contentResolver = getBaseContext().getContentResolver();
    contentResolver.registerContentObserver(Uri.parse(CONTENT_SMS), true, contentObserver);

}

}

<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />

拦截外发短信

5 个答案: