예제 #1
3
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.line_list);

    // Setup the list
    adapter = new IconAdapter<FileWrapper>(this, R.layout.line_list_item);
    ListView list = (ListView) findViewById(R.id.list);
    list.setAdapter(adapter);
    list.setOnItemClickListener(this);

    // Load Directory
    if (savedInstanceState != null) {
      backStack = savedInstanceState.getParcelableArrayList("BACKSTACK");
    }

    if (backStack == null || backStack.size() == 0) {
      backStack = new ArrayList<BackStackItem>();
      String startPath =
          (startDirectory == null || startDirectory.isEmpty())
              ? Environment.getExternalStorageDirectory().getPath()
              : startDirectory;
      backStack.add(new BackStackItem(startPath, false));
    }

    wrapFiles();
    this.setVolumeControlStream(AudioManager.STREAM_MUSIC);
  }
예제 #2
0
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.c19_sdcard);

    mEdit = (EditText) findViewById(R.id.edittext);

    String ext = Environment.getExternalStorageState();
    if (ext.equals(Environment.MEDIA_MOUNTED)) {
      mSdPath = Environment.getExternalStorageDirectory().getAbsolutePath();
    } else {
      mSdPath = Environment.MEDIA_UNMOUNTED;
    }
  }
예제 #3
0
파일: FolderEx.java 프로젝트: neojsy/myapp
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.folderex);

    Intent gintent = getIntent();
    getPath = gintent.getStringExtra("path");
    dbPath = gintent.getStringExtra("dbpath");

    FileList _FileList = new FileList(this);
    _FileList.setOnPathChangedListener(_OnPathChanged);
    _FileList.setOnFileSelected(_OnFileSelected);

    LinearLayout layout = (LinearLayout) findViewById(R.id.LinearLayout01);
    layout.addView(_FileList);

    Util.print("getPath = " + getPath);
    String path = " ";

    if (getPath.equals("empty")) {
      File root = Environment.getExternalStorageDirectory();
      _FileList.setPath(root.getAbsolutePath());
      path = root.getAbsolutePath();
    } else {
      _FileList.setPath(getPath);
      path = getPath;
    }

    Util.print("path = " + path);

    _FileList.setFocusable(true);
    _FileList.setFocusableInTouchMode(true);

    ((TextView) findViewById(R.id.TextView01)).setSelected(true);
  }
예제 #4
0
 public void mOnClick(View v) {
   switch (v.getId()) {
     case R.id.test:
       String rootdir = Environment.getRootDirectory().getAbsolutePath();
       String datadir = Environment.getDataDirectory().getAbsolutePath();
       String cachedir = Environment.getDownloadCacheDirectory().getAbsolutePath();
       mEdit.setText(
           String.format(
               "ext = %s\nroot=%s\ndata=%s\ncache=%s", mSdPath, rootdir, datadir, cachedir));
       break;
     case R.id.save:
       File dir = new File(mSdPath + "/dir");
       dir.mkdir();
       File file = new File(mSdPath + "/dir/file.txt");
       try {
         FileOutputStream fos = new FileOutputStream(file);
         String str = "This file exists in SDcard";
         fos.write(str.getBytes());
         fos.close();
         mEdit.setText("write success");
       } catch (FileNotFoundException e) {
         mEdit.setText("File Not Found." + e.getMessage());
       } catch (SecurityException e) {
         mEdit.setText("Security Exception");
       } catch (Exception e) {
         mEdit.setText(e.getMessage());
       }
       break;
     case R.id.load:
       try {
         FileInputStream fis = new FileInputStream(mSdPath + "/dir/file.txt");
         byte[] data = new byte[fis.available()];
         while (fis.read(data) != -1) {;
         }
         fis.close();
         mEdit.setText(new String(data));
       } catch (FileNotFoundException e) {
         mEdit.setText("File Not Found");
       } catch (Exception e) {;
       }
       break;
   }
 }
예제 #5
0
  private void checkAndLaunchUpdate() {
    Log.i(LOG_FILE_NAME, "Checking for an update");

    int statusCode = 8; // UNEXPECTED_ERROR
    File baseUpdateDir = null;
    if (Build.VERSION.SDK_INT >= 8)
      baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
    else baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download");

    File updateDir = new File(new File(baseUpdateDir, "updates"), "0");

    File updateFile = new File(updateDir, "update.apk");
    File statusFile = new File(updateDir, "update.status");

    if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending")) return;

    if (!updateFile.exists()) return;

    Log.i(LOG_FILE_NAME, "Update is available!");

    // Launch APK
    File updateFileToRun = new File(updateDir, getPackageName() + "-update.apk");
    try {
      if (updateFile.renameTo(updateFileToRun)) {
        String amCmd =
            "/system/bin/am start -a android.intent.action.VIEW "
                + "-n com.android.packageinstaller/.PackageInstallerActivity -d file://"
                + updateFileToRun.getPath();
        Log.i(LOG_FILE_NAME, amCmd);
        Runtime.getRuntime().exec(amCmd);
        statusCode = 0; // OK
      } else {
        Log.i(LOG_FILE_NAME, "Cannot rename the update file!");
        statusCode = 7; // WRITE_ERROR
      }
    } catch (Exception e) {
      Log.i(LOG_FILE_NAME, "error launching installer to update", e);
    }

    // Update the status file
    String status = statusCode == 0 ? "succeeded\n" : "failed: " + statusCode + "\n";

    OutputStream outStream;
    try {
      byte[] buf = status.getBytes("UTF-8");
      outStream = new FileOutputStream(statusFile);
      outStream.write(buf, 0, buf.length);
      outStream.close();
    } catch (Exception e) {
      Log.i(LOG_FILE_NAME, "error writing status file", e);
    }

    if (statusCode == 0) System.exit(0);
  }
 @Override
 public void onResume() {
   super.onResume();
   rootdir = Environment.getExternalStorageDirectory().getAbsolutePath();
   directoryView = (TextView) findViewById(R.id.directory);
   SharedPreferences settings = getPreferences(0);
   String lastBrowsedDirectory = settings.getString("lastBrowsedDirectory", null);
   if (lastBrowsedDirectory == null) {
     lastBrowsedDirectory = rootdir;
   }
   loadDirectory(lastBrowsedDirectory);
 }
예제 #7
0
  public void play() {

    try {
      mp.setDataSource(
          Environment.getExternalStorageDirectory()
              + "/pathofthefile/"
              + FirstSettings_two.file_video);

      mp.prepare();

    } catch (IllegalArgumentException e) {
      e.printStackTrace();
    } catch (IllegalStateException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
    mp.start();
  }
  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);
  }
예제 #9
0
    @Override
    protected String doInBackground(String... sUrl) {

      File folders = new File(Environment.getExternalStorageDirectory() + "/pathofthefile/");
      folders.mkdirs();

      File file;
      file =
          new File(
              Environment.getExternalStorageDirectory()
                  + "/pathofthefile/"
                  + FirstSettings_two.file_video);

      if (!file.exists()) {
        try {
          file.createNewFile();
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      } else {
        file.delete();
        try {
          file.createNewFile();
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }

      try {
        URL url = new URL(sUrl[0]);
        URLConnection connection = url.openConnection();
        connection.connect();
        // this will be useful so that you can show a typical 0-100%
        // progress bar
        int fileLength = connection.getContentLength();

        // download the file
        InputStream input = new BufferedInputStream(url.openStream());
        OutputStream output = new FileOutputStream(file);

        byte data[] = new byte[1024];
        long total = 0;
        int count;
        while ((count = input.read(data)) != -1) {
          total += count;
          // publishing the progress....
          publishProgress((int) (total * 100 / fileLength));
          output.write(data, 0, count);
        }

        output.flush();
        output.close();
        input.close();
        return "Downloaded";
      } catch (Exception e) {
        //   Toast.makeText(context,
        //         "exeption",Toast.LENGTH_LONG).show();

        return null;
      }
    }
예제 #10
0
  @Override
  protected void onCreate(Bundle icicle) {

    Log.d("GODOT", "** GODOT ACTIVITY CREATED HERE ***\n");

    super.onCreate(icicle);
    _self = this;
    Window window = getWindow();
    window.addFlags(
        WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
            | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

    // check for apk expansion API
    if (true) {
      boolean md5mismatch = false;
      command_line = getCommandLine();
      boolean use_apk_expansion = false;
      String main_pack_md5 = null;
      String main_pack_key = null;

      List<String> new_args = new LinkedList<String>();

      for (int i = 0; i < command_line.length; i++) {

        boolean has_extra = i < command_line.length - 1;
        if (command_line[i].equals("-use_apk_expansion")) {
          use_apk_expansion = true;
        } else if (has_extra && command_line[i].equals("-apk_expansion_md5")) {
          main_pack_md5 = command_line[i + 1];
          i++;
        } else if (has_extra && command_line[i].equals("-apk_expansion_key")) {
          main_pack_key = command_line[i + 1];
          SharedPreferences prefs = getSharedPreferences("app_data_keys", MODE_PRIVATE);
          Editor editor = prefs.edit();
          editor.putString("store_public_key", main_pack_key);

          editor.commit();
          i++;
        } else if (command_line[i].trim().length() != 0) {
          new_args.add(command_line[i]);
        }
      }

      if (new_args.isEmpty()) {
        command_line = null;
      } else {

        command_line = new_args.toArray(new String[new_args.size()]);
      }
      if (use_apk_expansion && main_pack_md5 != null && main_pack_key != null) {
        // check that environment is ok!
        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
          Log.d("GODOT", "**ERROR! No media mounted!");
          // show popup and die
        }

        // Build the full path to the app's expansion files
        try {
          expansion_pack_path =
              Environment.getExternalStorageDirectory().toString()
                  + "/Android/obb/"
                  + this.getPackageName();
          expansion_pack_path +=
              "/"
                  + "main."
                  + getPackageManager().getPackageInfo(getPackageName(), 0).versionCode
                  + "."
                  + this.getPackageName()
                  + ".obb";
        } catch (Exception e) {
          e.printStackTrace();
        }

        File f = new File(expansion_pack_path);

        boolean pack_valid = true;
        Log.d("GODOT", "**PACK** - Path " + expansion_pack_path);

        if (!f.exists()) {

          pack_valid = false;
          Log.d("GODOT", "**PACK** - File does not exist");

        } else if (obbIsCorrupted(expansion_pack_path, main_pack_md5)) {
          Log.d("GODOT", "**PACK** - Expansion pack (obb) is corrupted");
          pack_valid = false;
          try {
            f.delete();
          } catch (Exception e) {
            Log.d("GODOT", "**PACK** - Error deleting corrupted expansion pack (obb)");
          }
        }

        if (!pack_valid) {
          Log.d("GODOT", "Pack Invalid, try re-downloading.");

          Intent notifierIntent = new Intent(this, this.getClass());
          notifierIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);

          PendingIntent pendingIntent =
              PendingIntent.getActivity(this, 0, notifierIntent, PendingIntent.FLAG_UPDATE_CURRENT);

          int startResult;
          try {
            Log.d("GODOT", "INITIALIZING DOWNLOAD");
            startResult =
                DownloaderClientMarshaller.startDownloadServiceIfRequired(
                    getApplicationContext(), pendingIntent, GodotDownloaderService.class);
            Log.d("GODOT", "DOWNLOAD SERVICE FINISHED:" + startResult);

            if (startResult != DownloaderClientMarshaller.NO_DOWNLOAD_REQUIRED) {
              Log.d("GODOT", "DOWNLOAD REQUIRED");
              // This is where you do set up to display the download
              // progress (next step)
              mDownloaderClientStub =
                  DownloaderClientMarshaller.CreateStub(this, GodotDownloaderService.class);

              setContentView(com.godot.game.R.layout.downloading_expansion);
              mPB = (ProgressBar) findViewById(com.godot.game.R.id.progressBar);
              mStatusText = (TextView) findViewById(com.godot.game.R.id.statusText);
              mProgressFraction = (TextView) findViewById(com.godot.game.R.id.progressAsFraction);
              mProgressPercent = (TextView) findViewById(com.godot.game.R.id.progressAsPercentage);
              mAverageSpeed = (TextView) findViewById(com.godot.game.R.id.progressAverageSpeed);
              mTimeRemaining = (TextView) findViewById(com.godot.game.R.id.progressTimeRemaining);
              mDashboard = findViewById(com.godot.game.R.id.downloaderDashboard);
              mCellMessage = findViewById(com.godot.game.R.id.approveCellular);
              mPauseButton = (Button) findViewById(com.godot.game.R.id.pauseButton);
              mWiFiSettingsButton = (Button) findViewById(com.godot.game.R.id.wifiSettingsButton);

              return;
            } else {
              Log.d("GODOT", "NO DOWNLOAD REQUIRED");
            }
          } catch (NameNotFoundException e) {
            // TODO Auto-generated catch block
            Log.d("GODOT", "Error downloading expansion package:" + e.getMessage());
          }
        }
      }
    }

    initializeGodot();

    //	instanceSingleton( new GodotFacebook(this) );

  }
  @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 :-)
            }
          });
    }
  }