Android Open Source - nostrangersms S M S Receiver

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * This file is part of No Stranger SMS.
 */* w ww.j  a va 2s.c om*/
 * No Stranger SMS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * No Stranger SMS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with No Stranger SMS.  If not, see <http://www.gnu.org/licenses/>.
 */

package ru.glesik.nostrangersms;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.provider.ContactsContract;
import android.support.v4.app.NotificationCompat;
import android.telephony.SmsMessage;

public class SMSReceiver extends BroadcastReceiver {
  public SMSReceiver() {
  }

  @Override
  public void onReceive(Context context, Intent intent) {
    if (intent.getAction()
        .equals("android.provider.Telephony.SMS_RECEIVED")) {
      Bundle bundle = intent.getExtras();
      if (bundle != null) {
        // Get SMS objects.
        Object[] pdus = (Object[]) bundle.get("pdus");
        if (pdus.length == 0) {
          return;
        }
        // Large message might be broken into many.
        SmsMessage[] messages = new SmsMessage[pdus.length];
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < pdus.length; i++) {
          messages[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
          sb.append(messages[i].getMessageBody());
        }
        String sender = messages[0].getOriginatingAddress();
        if (!(getContactDisplayNameByNumber(context, sender).equals(""))) {
          // Contact with this number exists in address book: do nothing.
        } else {
          // Contact not in address book: log message and don't let it through.
          String message = sb.toString();
          // Prevent other broadcast receivers from receiving broadcast.
          abortBroadcast();
          SimpleDateFormat dateFormat = new SimpleDateFormat(
              "yyyy-MM-dd'T'HH:mm'Z'"); // ISO 8601, Local time zone.
          dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
          String date = dateFormat.format(new Date()); // Current time in UTC.
          DatabaseHandler db = new DatabaseHandler(context);
          db.addSms(new SMSMessage(date, sender, message), 0); // 0 is for no limit.
          // TODO: delete oldest messages
          NotificationManager mNotificationManager = (NotificationManager) context
              .getSystemService(Context.NOTIFICATION_SERVICE);
          int icon;
          icon = R.drawable.ic_stat_sad_sms;
          NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
              context).setSmallIcon(icon).setContentTitle(sender)
              .setContentText(message)
              .setPriority(NotificationCompat.PRIORITY_LOW)
              .setOnlyAlertOnce(true);
          // TODO: Optional light notification.
          Intent ni = new Intent(context, JunkSMSList.class);
          ni.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
              | Intent.FLAG_ACTIVITY_SINGLE_TOP);
          PendingIntent pi = PendingIntent.getActivity(context, 0,
              ni, 0);
          mBuilder.setContentIntent(pi);
          mBuilder.setAutoCancel(true);
          mNotificationManager.notify(777, mBuilder.build());
        }
      }
    }
  }

  public String getContactDisplayNameByNumber(Context context, String number) {
    Uri uri = Uri.withAppendedPath(
        ContactsContract.PhoneLookup.CONTENT_FILTER_URI,
        Uri.encode(number));
    String name = "";
    ContentResolver contentResolver = context.getContentResolver();
    Cursor contactLookup = contentResolver.query(uri, new String[] {
        BaseColumns._ID, ContactsContract.PhoneLookup.DISPLAY_NAME },
        null, null, null);
    try {
      if (contactLookup != null && contactLookup.getCount() > 0) {
        contactLookup.moveToNext();
        name = contactLookup.getString(contactLookup
            .getColumnIndex(ContactsContract.Data.DISPLAY_NAME));
      }
    } finally {
      if (contactLookup != null) {
        contactLookup.close();
      }
    }
    return name;
  }
}

Java Source Code List

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