Android Open Source - alex-android network Logger

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License

The source code is released under:

Apache License

Java Source Code

package com.example.helloandroid;
//from   w  w w. j  av a  2  s  .c  o m
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.Environment;
import android.os.IBinder;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.util.Log;
import android.widget.Toast;

public class networkLogger extends Service {
  
    Boolean firstTime;
  
    SimpleDateFormat dateFormat;
    String date;
    int count = 0;
    
    File root;
    File dir;
    File log;
    
    FileOutputStream fos;
    BufferedOutputStream bos;
    OutputStreamWriter osw;
    
      public class nlBinder extends Binder {
          networkLogger getService() {
              return networkLogger.this;
          }
      }
      private final IBinder mBinder = new nlBinder();

    
    @Override
    public IBinder onBind(Intent arg0) {
      return mBinder;
    }
    
      @Override
        public int onStartCommand(Intent intent, int flags, int startId) {
            return START_STICKY;
        }
      
    @Override
    public void onCreate(){
      super.onCreate();
      
      firstTime = true;
      count=0;
      
      //get the notification manager
      //notManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
      int icon = R.drawable.icon2;                // icon from resources
      CharSequence tickerText = "Network Logger";  // ticker-text
      long when = System.currentTimeMillis();          // notification time
      Context context = getApplicationContext();        // application Context
      CharSequence contentTitle = "Network Logger";        // expanded message title
      CharSequence contentText = "Running...";        // expanded message text

      Intent notificationIntent = new Intent(this, HelloAndroid.class);
      //notificationIntent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
      PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);

      // the next two lines initialise the Notification, using the configurations above
      Notification notification = new Notification(icon, tickerText, when);
      notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
      notification.flags |= Notification.FLAG_NO_CLEAR;
      notification.flags |= Notification.FLAG_ONGOING_EVENT;

      //add the notification
      //notManager.notify(1,notification);
      super.startForeground(1, notification);
      
      //gate the date format and filenames
      dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss");
        Date dateD = new Date();
        date = dateFormat.format(dateD);

          Toast.makeText(this,"Network Information Logging Service Started", Toast.LENGTH_SHORT).show();  
          
          Timer timer = new Timer();
          timer.scheduleAtFixedRate(new TimerTask(){
            public void run() {
              count++;
              String information = getInformation();
              saveInformation(information);
              Log.d("networkLogger","Timer Task " + count + " Executed");
              }              
      }, 0, 15000);
    }
      
    @Override
    public void onDestroy(){
      super.onDestroy();

        try{
          File logz = new File(dir,"nl"+date+"log.zip");
          fos = new FileOutputStream(logz,true);
          ZipOutputStream zos = new ZipOutputStream(fos);
          ZipEntry doc = new ZipEntry("data.csv");
          zos.putNextEntry(doc);
          bos = new BufferedOutputStream(zos);
          FileInputStream fis = new FileInputStream(log);
          BufferedInputStream bis = new BufferedInputStream(fis);
          int count;
          byte[] data = new byte[1024];
              while((count = bis.read(data)) != -1) {
                 bos.write(data, 0, count);
              }
              bis.close();
          fis.close();
          bos.close();
          zos.close();
          fos.close();
          log.delete();
        }catch(Exception e){
          Toast.makeText(getBaseContext(),"zip error: "+e.toString(), Toast.LENGTH_LONG).show();
        }
        
        Toast.makeText(this,"Network Information Logging Service Stopped", Toast.LENGTH_SHORT).show();
    }
    

      public void saveInformation(String info){

        if(firstTime){
          String titles = "mcc,mnc,lac,cellid,measured_at";
          try{
            root = Environment.getExternalStorageDirectory();
            dir = new File(root,"Download/");
            log = new File(dir,"nl"+date+"log.csv");
            fos = new FileOutputStream(log,true);
            bos = new BufferedOutputStream(fos);
            osw = new OutputStreamWriter(bos);
            osw.write(titles + "\n");
            osw.flush();
            osw.close();
            bos.close();
            fos.close();
          }catch(Exception e){
            Toast.makeText(getBaseContext(),"file write error: "+e.toString(), Toast.LENGTH_LONG).show();
            Toast.makeText(getBaseContext(),titles, Toast.LENGTH_SHORT).show();
          }
        }
        firstTime = false;
          
        try{
          fos = new FileOutputStream(log,true);
          bos = new BufferedOutputStream(fos);
          osw = new OutputStreamWriter(bos);
          osw.write(info + "\n");
          osw.flush();
          osw.close();
          bos.close();
          fos.close();
        }catch(Exception e){
          Toast.makeText(getBaseContext(),"file write error: "+e.toString(), Toast.LENGTH_LONG).show();
          Toast.makeText(getBaseContext(),info, Toast.LENGTH_SHORT).show();
        }
      }
      
      public String getInformation(){
        //mcc,mnc,lac,cellid,measured_at
        int mcc = -1;
        int mnc = -1;
        int lac = -1;
        int cellid = -1;
        long measured_at = System.currentTimeMillis();
        
        TelephonyManager tel = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
          String networkOperator = tel.getNetworkOperator();

          if (networkOperator != null) {
              mcc = Integer.parseInt(networkOperator.substring(0, 3));
              mnc = Integer.parseInt(networkOperator.substring(3));
          }
          
         GsmCellLocation location = (GsmCellLocation) tel.getCellLocation();

         if(location != null) {
           lac = location.getLac();
           cellid = location.getCid();
         }
        
        String info = mcc + "," + mnc + "," + lac + "," + cellid + "," + measured_at;
          
        return info;
      }
      
}

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