/**
  * onCreate
  *
  * <p>adds the preferences from the ressourcefile
  */
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   addPreferencesFromResource(R.xml.preferences);
   SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
   prefs.registerOnSharedPreferenceChangeListener(this);
 }
Exemple #2
0
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.settings);
   this.setTitle(R.string.setting);
   sp = PreferenceManager.getDefaultSharedPreferences(this);
   edit = sp.edit();
   Button widgettheme = (Button) findViewById(R.id.widgettheme);
   Button settime = (Button) findViewById(R.id.settime);
   Button save = (Button) findViewById(R.id.set_save);
   nc = (CheckBox) findViewById(R.id.nightcheck);
   rs = (CheckBox) findViewById(R.id.ringswitch);
   widgettheme.setOnClickListener(
       new View.OnClickListener() {
         @Override
         public void onClick(View Button) {
           AlertDialog.Builder ad =
               new AlertDialog.Builder(Settings.this)
                   .setTitle("选择颜色?")
                   .setItems(
                       color,
                       new DialogInterface.OnClickListener() {
                         @Override
                         public void onClick(DialogInterface p1, int p2) {
                           edit.putInt("widgetTextColor", colori[p2]);
                           edit.commit();
                         }
                       });
           ad.show();
         }
       });
   settime.setOnClickListener(
       new View.OnClickListener() {
         @Override
         public void onClick(View Button) {
           Intent set = new Intent(Settings.this, Settime.class);
           startActivity(set);
           return;
         }
       });
   save.setOnClickListener(
       new View.OnClickListener() {
         public void onClick(View Button) {
           save();
           return;
         }
       });
   nc.setChecked(sp.getBoolean("nightmode", false));
   if (sp.getBoolean("timewrong", false) == true) {
     rs.setChecked(false);
     rs.setClickable(false);
   }
 }
 /**
  * onCreateView
  *
  * <p>handles the special case of the serverport entry which is an int....
  */
 @Override
 public View onCreateView(
     LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
   SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
   // prefs.registerOnSharedPreferenceChangeListener(this);
   for (String key : prefs.getAll().keySet()) {
     Preference pref = findPreference(key);
     if (pref == null) continue;
     if (key.equals("serverport")) pref.setSummary("" + prefs.getInt(key, 0));
     else pref.setSummary(prefs.getString(key, key));
   }
   return super.onCreateView(inflater, container, savedInstanceState);
 }
  /**
   * onSharedPreferenceChanged not needed in my code, but still in case i have one listpreference,
   * its takes the selected entry to create the summary (planned when/if i add background images to
   * the buttons...
   */
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPref, String key) {
    Preference pref = findPreference(key);
    // Log.d(TAG, "preference change for " + key + " " + pref.getTitle());

    // pref.getTitle();
    if (pref instanceof ListPreference) {
      ListPreference listPref = (ListPreference) pref;
      pref.setSummary(listPref.getEntry());
    } else pref.setSummary(sharedPref.getString(key, key));

    // MainActivity mainAct = (MainActivity) getContext();
    // if(mainAct != null) mainAct.onSharedPreferenceChanged(sharedPref,key);
  }
  // code which handles the action for each menu item
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case R.id.settings:
        {
          Intent preferences_intent = new Intent();
          preferences_intent.setComponent(
              new ComponentName(download_photos.this, preferences.class));
          preferences_intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
          getApplicationContext().startActivity(preferences_intent);

          return true;
        }
      case R.id.logout:
        {
          try {
            download_photos.this.facebook.logout(getApplicationContext());
          } catch (IOException e) {
            e.printStackTrace();
          }

          mPrefs = getSharedPreferences("COMMON", MODE_PRIVATE);

          SharedPreferences.Editor editor = mPrefs.edit();
          editor.putString("access_token", null);
          editor.putLong("access_expires", 0);
          editor.putBoolean("logout", true);
          editor.commit();
          finish();
          return true;
        }
      case R.id.about:
        {
          // shows our customized about dialog
          AboutDialog about = new AboutDialog(this);

          about.show();
          return true;
        }
        // lets deal with default case
      default:
        return super.onOptionsItemSelected(item);
    }
  }
  public void onCreate() {
    int flags, screenLightVal = 1;
    Sensor mSensor;
    List<Sensor> sensors;

    if (scanData == null) return; // no ScanData, not possible to run correctly...

    PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
    SP = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
    try {
      screenLightVal = Integer.parseInt(SP.getString("screenLight", "2"));
    } catch (NumberFormatException nfe) {
    }
    if (screenLightVal == 1) flags = PowerManager.PARTIAL_WAKE_LOCK;
    else if (screenLightVal == 3) flags = PowerManager.FULL_WAKE_LOCK;
    else flags = PowerManager.SCREEN_DIM_WAKE_LOCK;
    wl = pm.newWakeLock(flags, "OpenWLANMap");
    wl.acquire();
    while (myWLocate == null) {
      try {
        myWLocate = new MyWLocate(this);
        break;
      } catch (IllegalArgumentException iae) {
        myWLocate = null;
      }
      try {
        Thread.sleep(100);
      } catch (InterruptedException ie) {
      }
    }

    try {
      scanData.setUploadThres(Integer.parseInt(SP.getString("autoUpload", "0")));
    } catch (NumberFormatException nfe) {
    }
    try {
      scanData.setNoGPSExitInterval(
          Integer.parseInt(SP.getString("noGPSExitInterval", "0")) * 60 * 1000);
    } catch (NumberFormatException nfe) {
    }

    Intent intent = new Intent(this, OWMapAtAndroid.class);
    intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
    PendingIntent pendIntent = PendingIntent.getActivity(this, 0, intent, 0);

    notification =
        new NotificationCompat.Builder(this)
            .setSmallIcon(R.drawable.icon)
            .setContentTitle(getResources().getText(R.string.app_name))
            .setContentText("")
            .setContentIntent(pendIntent)
            .build();

    notification.flags |= Notification.FLAG_NO_CLEAR;
    notification.flags |= Notification.FLAG_ONGOING_EVENT;
    startForeground(1703, notification);

    getScanData().setService(this);
    getScanData().setmView(new HUDView(this));
    getScanData().getmView().setValue(getScanData().incStoredValues());
    WindowManager.LayoutParams params =
        new WindowManager.LayoutParams(
            WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
            WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
                | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
            PixelFormat.TRANSLUCENT);
    params.gravity = Gravity.LEFT | Gravity.BOTTOM;
    params.setTitle("Load Average");
    WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
    wm.addView(getScanData().getmView(), params);

    sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

    sensorManager.registerListener(
        this,
        sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
        SensorManager.SENSOR_DELAY_GAME);
    sensorManager.registerListener(
        this,
        sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION),
        SensorManager.SENSOR_DELAY_GAME);
    sensors = sensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
    mSensor = sensors.get(0);
    getScanData().getTelemetryData().setAccelMax(mSensor.getMaximumRange());
    telemetryDir = Environment.getExternalStorageDirectory().getPath() + "/telemetry/";
    File dir = new File(telemetryDir);
    dir.mkdir();

    connManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
  }
  public void run() {
    int i,
        j,
        storedValues,
        sleepTime = 3000,
        timeoutCtr = 0,
        lastFlags = -1,
        trackCnt = 0,
        lastLocMethod = -5;
    String bssid;
    WMapEntry currEntry;
    DataOutputStream out;
    FileInputStream in;

    while (running) {
      try {
        if (scanData.getNoGPSExitInterval() > 0) {
          if (System.currentTimeMillis() > lastGPSTime + scanData.getNoGPSExitInterval()) {
            break;
          }
        }
        if (ScanService.scanData.getThreadMode() == OWMapAtAndroid.THREAD_MODE_UPLOAD) {
          if ((m_uploadThread != null) && (m_uploadThread.isUploading()))
            OWMapAtAndroid.sendMessage(
                ScannerHandler.MSG_SIMPLE_ALERT,
                0,
                0,
                getResources().getText(R.string.upload_in_progress));
          else m_uploadThread = new UploadThread(scanData, this, SP, false, notification, null);
          ScanService.scanData.setThreadMode(OWMapAtAndroid.THREAD_MODE_SCAN);
        } else {
          if ((posState == 0) && (scanData != null) && (scanData.isScanningEnabled())) {
            posState = 1;
            timeoutCtr = 0;
            if (scanData.getFlags() != lastFlags) {
              if ((scanData.getFlags() & OWMapAtAndroid.FLAG_NO_NET_ACCESS) == 0)
                scanData.getWifiManager().createWifiLock(WifiManager.WIFI_MODE_FULL, "OpenWLANMap");
              else
                scanData
                    .getWifiManager()
                    .createWifiLock(WifiManager.WIFI_MODE_SCAN_ONLY, "OpenWLANMap");
              lastFlags = scanData.getFlags();
            }
            if ((scanData.getFlags() & OWMapAtAndroid.FLAG_NO_NET_ACCESS) == 0)
              myWLocate.wloc_request_position(WLocate.FLAG_NO_IP_LOCATION);
            else {
              myWLocate.wloc_request_position(
                  WLocate.FLAG_NO_NET_ACCESS | WLocate.FLAG_NO_IP_LOCATION);
              //                  stopGoogleLocation();
            }
          } else if (!scanData.isScanningEnabled()) {
            try {
              trackCnt += 1500;
              Thread.sleep(1500);
            } catch (InterruptedException ie) {

            }
          }
          if (posState == 1) {
            // sleep while waiting for result
            try {
              trackCnt += 2500;
              java.lang.Thread.sleep(2500); // is interrupted from result handler
              timeoutCtr++;
              if (timeoutCtr > 3) {
                timeoutCtr = 0;
                posState = 0;
              }
            } catch (InterruptedException ie) {
            }
          }
          if ((posState == 2) || (posState == 100)) {
            loc_info locationInfo;
            NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

            locationInfo = myWLocate.last_location_info();
            if (lastLocMethod != locationInfo.lastLocMethod) {
              scanData.getmView().setMode(locationInfo.lastLocMethod);
              scanData.getmView().postInvalidate();
              lastLocMethod = locationInfo.lastLocMethod;
            }
            if (posState == 100) locationInfo.lastLocMethod = -1;
            OWMapAtAndroid.sendMessage(
                OWMapAtAndroid.ScannerHandler.MSG_UPD_LOC_STATE,
                (int) (lastRadius * 1000),
                locationInfo.lastLocMethod,
                locationInfo);

            if (SP.getBoolean("autoConnect", false)) {
              if (!mWifi.isConnected()) {
                for (i = 0; i < locationInfo.wifiScanResult.size(); i++) {
                  ScanResult result;

                  result = locationInfo.wifiScanResult.get(i);
                  result.capabilities = result.capabilities.toUpperCase(Locale.US);
                  if ((isFreeHotspot(result) & WMapEntry.FLAG_IS_FREIFUNK) != 0) {
                    // auto-connect to this open network

                    WifiConfiguration wifiConfig = new WifiConfiguration();
                    wifiConfig.BSSID = result.BSSID;
                    wifiConfig.priority = 1;
                    wifiConfig.allowedKeyManagement.set(KeyMgmt.NONE);
                    wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
                    wifiConfig.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
                    wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
                    wifiConfig.status = WifiConfiguration.Status.ENABLED;

                    int netId = scanData.getWifiManager().addNetwork(wifiConfig);
                    scanData.getWifiManager().enableNetwork(netId, true);
                  }
                }
              }
            }
            if ((posValid)
                && (locationInfo.wifiScanResult != null)
                && (locationInfo.wifiScanResult.size() > 0)) {
              boolean foundExisting;

              for (i = 0; i < locationInfo.wifiScanResult.size(); i++) {
                ScanResult result;

                result = locationInfo.wifiScanResult.get(i);
                bssid = result.BSSID.replace(":", "").replace(".", "").toUpperCase(Locale.US);
                if (bssid.equalsIgnoreCase("000000000000")) break;
                foundExisting = false;
                scanData.getLock().lock();
                for (j = 0; j < scanData.getWmapList().size(); j++) {
                  currEntry = scanData.getWmapList().elementAt(j);
                  if (currEntry.getBSSID().equalsIgnoreCase(bssid)) {
                    currEntry.setPos(lastLat, lastLon);
                    foundExisting = true;
                    break;
                  }
                }
                if (!foundExisting) {
                  String lowerSSID;

                  storedValues = scanData.incStoredValues();
                  scanData.getmView().setValue(storedValues);
                  scanData.getmView().postInvalidate();
                  currEntry = new WMapEntry(bssid, result.SSID, lastLat, lastLon, storedValues);
                  lowerSSID = result.SSID.toLowerCase(Locale.US);
                  if ((lowerSSID.endsWith("_nomap"))
                      || // Google unsubscibe option
                      (lowerSSID.contains("iphone"))
                      || // mobile AP
                      (lowerSSID.contains("android"))
                      || // mobile AP
                      (lowerSSID.contains("motorola"))
                      || // mobile AP
                      (lowerSSID.contains("deinbus.de"))
                      || // WLAN network on board of German bus
                      (lowerSSID.contains("fernbus"))
                      || // WLAN network on board of German bus
                      (lowerSSID.contains("flixbus"))
                      || // WLAN network on board of German bus
                      (lowerSSID.contains("ecolines"))
                      || // WLAN network on board of German bus
                      (lowerSSID.contains("eurolines_wifi"))
                      || // WLAN network on board of German bus
                      (lowerSSID.contains("contiki-wifi"))
                      || // WLAN network on board of bus
                      (lowerSSID.contains("guest@ms "))
                      || // WLAN network on Hurtigruten ships
                      (lowerSSID.contains("admin@ms "))
                      || // WLAN network on Hurtigruten ships
                      (lowerSSID.contains("nsb_interakti"))
                      || // WLAN network in NSB trains
                      (lowerSSID.equals("southwestwifi"))) // WLAN network on Southwest flights
                  currEntry.setFlags(currEntry.getFlags() | WMapEntry.FLAG_IS_NOMAP);
                  else currEntry.setFlags(currEntry.getFlags() | isFreeHotspot(result));
                  if (isFreeHotspot(currEntry.getFlags())) scanData.incFreeHotspotWLANs();
                  scanData.getWmapList().add(currEntry);
                  if ((scanData.getUploadThres() > 0)
                      && (storedValues > scanData.getUploadThres())) {
                    if ((m_uploadThread == null) || (!m_uploadThread.isUploading())) {
                      if (mWifi.isConnected()) {
                        m_uploadThread =
                            new UploadThread(scanData, this, SP, true, notification, mWifi);
                      }
                    }
                  }
                }
                result.capabilities = result.capabilities.toUpperCase(Locale.US);
                scanData.getLock().unlock();
              }
            }
            scanData.getLock().lock();
            for (j = 0; j < scanData.getWmapList().size(); j++) {
              currEntry = scanData.getWmapList().elementAt(j);
              if ((currEntry.getLastUpdate() + OWMapAtAndroid.RECV_TIMEOUT
                      < System.currentTimeMillis())
                  && ((currEntry.getFlags() & WMapEntry.FLAG_IS_VISIBLE) == 0)) {
                scanData.getWmapList().remove(j);
                if (currEntry.posIsValid()) {
                  int padBytes = 0, k;

                  try {
                    in = scanData.getCtx().openFileInput(OWMapAtAndroid.WSCAN_FILE);
                    padBytes = in.available() % 28;
                    in.close();
                    if (padBytes > 0) padBytes = 28 - padBytes;
                  } catch (IOException ioe) {
                    ioe.printStackTrace();
                  }
                  try {
                    out =
                        new DataOutputStream(
                            scanData
                                .getCtx()
                                .openFileOutput(
                                    OWMapAtAndroid.WSCAN_FILE,
                                    Context.MODE_PRIVATE | Context.MODE_APPEND));
                    if (padBytes > 0) for (k = 0; k < padBytes; k++) out.writeByte(0);
                    out.write(currEntry.getBSSID().getBytes(), 0, 12);
                    if ((currEntry.getFlags() & WMapEntry.FLAG_IS_NOMAP) != 0) {
                      out.writeDouble(0.0);
                      out.writeDouble(0.0);
                    } else {
                      out.writeDouble(currEntry.getLat());
                      out.writeDouble(currEntry.getLon());
                    }
                    out.close();
                  } catch (IOException ioe) {
                    ioe.printStackTrace();
                  }

                  if ((currEntry.getFlags()
                          & (WMapEntry.FLAG_IS_FREIFUNK | WMapEntry.FLAG_IS_NOMAP))
                      == WMapEntry.FLAG_IS_FREIFUNK) {
                    padBytes = 0;
                    try {
                      in = scanData.getCtx().openFileInput(OWMapAtAndroid.WFREI_FILE);
                      padBytes = in.available() % 12;
                      in.close();
                      if (padBytes > 0) padBytes = 12 - padBytes;
                    } catch (IOException ioe) {
                      ioe.printStackTrace();
                    }
                    try {
                      out =
                          new DataOutputStream(
                              scanData
                                  .getCtx()
                                  .openFileOutput(
                                      OWMapAtAndroid.WFREI_FILE,
                                      Context.MODE_PRIVATE | Context.MODE_APPEND));
                      if (padBytes > 0) for (k = 0; k < padBytes; k++) out.writeByte(0);
                      out.write(currEntry.getBSSID().getBytes(), 0, 12);
                      out.close();
                    } catch (IOException ioe) {
                      ioe.printStackTrace();
                    }
                  }
                }
              }
              //               flushData(false);
            }
            scanData.getLock().unlock();
            m_lastSpeed = locationInfo.lastSpeed;
            if (!SP.getBoolean("adaptiveScanning", true)) sleepTime = 500;
            else if (locationInfo.lastSpeed > 90) sleepTime = 350;
            else if (locationInfo.lastSpeed < 0)
              sleepTime = 1300; // no speed information, may be because of WLAN localisation
            else if (locationInfo.lastSpeed < 6) sleepTime = 2500; // user seems to walk
            else {
              double f;

              f = 1.0 - (locationInfo.lastSpeed / 90.0);
              sleepTime = (int) ((1000.0 * f) + 350);
            }

            try {
              trackCnt += sleepTime;
              java.lang.Thread.sleep(sleepTime); // sleep between scans
            } catch (InterruptedException ie) {

            }
            posState = 0;
          }
        }
      } catch (NullPointerException npe) // in case the parent activity dies too fast
      {
        npe.printStackTrace();
      }
      if ((trackCnt > 500000) && (lastLat != 0) && (lastLon != 0)) {
        if (SP.getBoolean("track", false)) new UploadPositionTask().execute(null, null, null);
        trackCnt = 0;
      }
    }
    onDestroy(); // remove all resources (in case the thread was stopped due to some other reason
  }
  @Override
  public void onCreate(Bundle savedInstanceState) {
    // locks the screen in portrait mode
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

    super.onCreate(savedInstanceState);
    setContentView(R.layout.downloader);
    mtext = (TextView) findViewById(R.id.mtext);
    progress_text = (TextView) findViewById(R.id.progress_text);
    progress_download = (ProgressBar) findViewById(R.id.progress_download);
    // resume capability

    paused = false;
    resume_pause = (Button) findViewById(R.id.resume);

    // Create and launch the download thread
    downloadThread = new DownloadThread(this);
    downloadThread.start();

    // Create the Handler. It will implicitly bind to the Looper
    // that is internally created for this thread (since it is the UI thread)
    handler = new Handler();

    resume_pause.setOnClickListener(
        new View.OnClickListener() {
          public void onClick(View v) {
            if (!paused) {
              paused = true;
              resume_pause.setText("Resume");
              // writeProgress(completed_downloads,total_files_to_download);
              downloadThread.requestStop();
              downloadThread = null;

            } else {
              resume_pause.setText("Pause");
              paused = false;

              initial_value = readProgress()[0];
              final_value = links.size();

              for (int i = initial_value; i < links.size(); i++) {
                downloadThread = new DownloadThread(download_photos.this);
                downloadThread.start();
                downloadThread.enqueueDownload(
                    new DownloadTask(
                        links.get(i), path, i + 1, links.size(), download_photos.this));
              }
            }
          }
        });

    // load preferences for this activity
    mPrefs = getSharedPreferences("COMMON", MODE_PRIVATE);

    // This declaration is solely meant for reading the checkbox preference for downloading high res
    // pics.
    SharedPreferences dl_prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());

    // The global variable is set after reading the  checkbox preference.
    dl_high_res_pics = dl_prefs.getBoolean("download_high_res", false);

    // load fb access token and its expiry values
    String access_token = mPrefs.getString("access_token", null);
    long expires = mPrefs.getLong("access_expires", 0);

    if (access_token != null) {
      facebook.setAccessToken(access_token);
    }
    if (expires != 0) {
      facebook.setAccessExpires(expires);
    }

    // get friend_name and album_name from the intent which started this activity
    Intent starting_intent = getIntent();
    album_id = starting_intent.getStringExtra("id");
    album_name = starting_intent.getStringExtra("name");
    friend_name = starting_intent.getStringExtra("friend_name");

    // real album and friend name may contain characters not suitable for file names.
    // regex pattern includes most of the invalid characters in file names
    legal_album_name = album_name.replaceAll("[.\\\\/:*?\"<>|]?[\\\\/:*?\"<>|]*", "");
    legal_friend_name = friend_name.replaceAll("[.\\\\/:*?\"<>|]?[\\\\/:*?\"<>|]*", "");

    // initialise the directory structure for download
    path =
        new File(
            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
                + "/"
                + getText(R.string.app_name)
                + "/"
                + legal_friend_name
                + "/"
                + legal_album_name);
    if (dl_high_res_pics)
      path = new File(path.toString() + "/" + getText(R.string.folder_name_high_res));

    resume_file = new File(path, "resume.txt");
    // implements actions to done after receiving json object
    class meRequestListener extends BaseRequestListener {
      @Override
      public void onComplete(String response, Object state) {
        try {
          Log.i(TAG, response);
          json = Util.parseJson(response);

          // photos are in the form of a json array
          child = json.getJSONArray("data");

          int total = child.length();

          // contains links to photos
          links = new ArrayList<String>(total);

          // adds link to each photo to our list after replacing the "https" from url
          // DownloadManager does not support https in gingerbread
          for (int i = 0; i < total; i++) {
            photo_json = child.getJSONObject(i);

            if (dl_high_res_pics) {
              JSONArray image_set = photo_json.getJSONArray("images");

              // highest resolution picture has the index zero in the images jsonarray
              JSONObject highest_res_pic = image_set.getJSONObject(0);
              String http_replaced =
                  highest_res_pic.getString("source").replaceFirst("https", "http");
              links.add(i, http_replaced);
            } else {
              // source property of the json object points to the photo's link
              String http_replaced = photo_json.getString("source").replaceFirst("https", "http");
              links.add(i, http_replaced);
            }
          }

          download_photos.this.runOnUiThread(
              new Runnable() {
                public void run() {
                  //	mytask = new DownloadImageTask();
                  //	mytask.execute(links);
                  // start downloading using asynctask
                  // new DownloadImageTask().execute(links);
                  // downloadThread.setPath(path);
                  // downloadThread.setWholeTasks(links.size());
                  if (resume_file.exists()) {

                    initial_value = readProgress()[0];
                    final_value = links.size();
                    // case if the task is already completed
                    if (initial_value == final_value) {
                      completed = true;
                      resume_pause.setVisibility(View.GONE);

                      progress_download.setMax(final_value);
                      progress_download.setProgress(0); // bug in progress bar
                      progress_download.setProgress(initial_value);

                      progress_text.setText("Completed.");
                      mtext.setText(
                          getText(R.string.download_textview_message_1)
                              + " "
                              + path.toString()
                              + ". ");

                    }

                    // case if some of the photos are already downloaded
                    else {
                      progress_download.setMax(links.size());
                      // progress_download.setProgress(0);	//bug in progress bar
                      progress_download.setProgress(initial_value);

                      // N.B if i= initial_value -1, then one image will be downloaded again. so to
                      // save cost we start with i = initial_value
                      for (int i = initial_value; i < links.size(); i++) {
                        mtext.setText(
                            getText(R.string.download_textview_message_1)
                                + " "
                                + path.toString()
                                + ". ");
                        // downloadThread.setRunningTask(i + 1);
                        downloadThread.enqueueDownload(
                            new DownloadTask(
                                links.get(i), path, i + 1, final_value, download_photos.this));
                      }
                    }
                  }

                  // case if the task is entirely new task
                  else {
                    for (int i = 0; i < links.size(); i++) {
                      mtext.setText(
                          getText(R.string.download_textview_message_1)
                              + " "
                              + path.toString()
                              + ". ");
                      // downloadThread.setRunningTask(i + 1);
                      downloadThread.enqueueDownload(
                          new DownloadTask(
                              links.get(i), path, i + 1, links.size(), download_photos.this));
                    }
                  }
                }
              });
        } catch (JSONException ex) {
          Log.e(TAG, "JSONEXception : " + ex.getMessage());
        }
      }
    }

    // makes asynchronous request to facebook graph api
    // the actions to be performed after receiving json response is implemented above

    Bundle parameters = new Bundle();

    // facebook returns only 25 photos when limit is not specified.
    parameters.putString("limit", max_photos_in_album);
    if (!completed) mAsyncRunner.request(album_id + "/photos", parameters, new meRequestListener());

    if (!facebook.isSessionValid()) {
      facebook.authorize(
          this,
          permissions,
          new DialogListener() {

            // save fb access token and its expiry values to prefernces of this activity
            @Override
            public void onComplete(Bundle values) {
              SharedPreferences.Editor editor = mPrefs.edit();
              editor.putString("access_token", facebook.getAccessToken());
              editor.putLong("access_expires", facebook.getAccessExpires());
              editor.commit();
            }

            @Override
            public void onFacebookError(FacebookError error) {
              Log.e(TAG, "Facebook Error : " + error.getMessage());
            }

            @Override
            public void onError(DialogError e) {
              Log.e(TAG, e.getMessage());
            }

            @Override
            public void onCancel() {
              // do nothing LOL :-)
            }
          });
    }
  }