private void updateLocalVersions() {
    if (NavigineApp.Navigation == null) return;

    for (int i = 0; i < mInfoList.size(); ++i) {
      LocationInfo info = mInfoList.get(i);
      String versionStr = LocationLoader.getLocalVersion(NavigineApp.AppContext, info.title);
      if (versionStr != null) {
        // Log.d(TAG, info.title + ": " + versionStr);
        info.localModified = versionStr.endsWith("+");
        if (info.localModified) versionStr = versionStr.substring(0, versionStr.length() - 1);
        try {
          info.localVersion = Integer.parseInt(versionStr);
        } catch (Throwable e) {
        }
      } else {
        info.localVersion = -1;

        String mapFile = NavigineApp.Settings.getString("map_file", "");
        if (mapFile.equals(info.archiveFile)) {
          NavigineApp.Navigation.loadArchive(null);
          SharedPreferences.Editor editor = NavigineApp.Settings.edit();
          editor.putString("map_file", "");
          editor.commit();
        }
      }
    }
    mAdapter.updateList();
  }
  private void deleteLocation(LocationInfo info) {
    if (NavigineApp.Navigation == null) return;

    if (info != null) {
      try {
        (new File(info.archiveFile)).delete();
        info.localVersion = -1;
        info.localModified = false;

        String locationDir = LocationLoader.getLocationDir(mContext, info.title);
        File dir = new File(locationDir);
        File[] files = dir.listFiles();
        for (int i = 0; i < files.length; ++i) files[i].delete();
        dir.delete();

        String mapFile = NavigineApp.Settings.getString("map_file", "");
        if (mapFile.equals(info.archiveFile)) {
          NavigineApp.Navigation.loadArchive(null);
          SharedPreferences.Editor editor = NavigineApp.Settings.edit();
          editor.putString("map_file", "");
          editor.commit();
        }

        mAdapter.updateList();
      } catch (Throwable e) {
        Log.e(TAG, Log.getStackTraceString(e));
      }
    }
  }
  private void selectLocation(LocationInfo info) {
    if (NavigineApp.Navigation == null) return;

    if (info != null && NavigineApp.Navigation.loadArchive(info.archiveFile)) {
      SharedPreferences.Editor editor = NavigineApp.Settings.edit();
      editor.putString("map_file", info.archiveFile);
      editor.commit();
      mAdapter.updateList();
    }
  }
 private void parseMapsXml() {
   try {
     String fileName = LocationLoader.getLocationDir(NavigineApp.AppContext, null) + "/maps.xml";
     List<LocationInfo> infoList = Parser.parseMapsXml(NavigineApp.AppContext, fileName);
     mInfoList = new ArrayList<LocationInfo>();
     if (infoList != null) mInfoList = infoList;
     mAdapter.updateList();
     new File(fileName).delete();
   } catch (Throwable e) {
     Log.e(TAG, Log.getStackTraceString(e));
   }
 }
  private void updateLocationLoaders() {
    if (NavigineApp.Navigation == null) return;

    long timeNow = DateTimeUtils.currentTimeMillis();
    mUpdateLocationLoadersTime = timeNow;

    synchronized (mLoaderMap) {
      Iterator<Map.Entry<String, LoaderState>> iter = mLoaderMap.entrySet().iterator();
      while (iter.hasNext()) {
        Map.Entry<String, LoaderState> entry = iter.next();

        LoaderState loader = entry.getValue();
        if (loader.state < 100) {
          loader.timeLabel = timeNow;
          if (loader.type == DOWNLOAD) loader.state = LocationLoader.checkLocationLoader(loader.id);
          if (loader.type == UPLOAD) loader.state = LocationLoader.checkLocationUploader(loader.id);
        } else if (loader.state == 100) {
          String archivePath = NavigineApp.Navigation.getArchivePath();
          String locationFile =
              LocationLoader.getLocationFile(NavigineApp.AppContext, loader.location);
          if (archivePath != null && archivePath.equals(locationFile)) {
            Log.d(TAG, "Reloading archive " + archivePath);
            if (NavigineApp.Navigation.loadArchive(archivePath)) {
              SharedPreferences.Editor editor = NavigineApp.Settings.edit();
              editor.putString("map_file", archivePath);
              editor.commit();
            }
          }
          if (loader.type == DOWNLOAD) LocationLoader.stopLocationLoader(loader.id);
          if (loader.type == UPLOAD) LocationLoader.stopLocationUploader(loader.id);
          iter.remove();
        } else {
          // Load failed
          if (Math.abs(timeNow - loader.timeLabel) > 5000) {
            if (loader.type == DOWNLOAD) LocationLoader.stopLocationLoader(loader.id);
            if (loader.type == UPLOAD) LocationLoader.stopLocationUploader(loader.id);
            iter.remove();
          }
        }
      }
    }
    updateLocalVersions();
    mAdapter.updateList();
  }
  private void startUpload(int index) {
    if (NavigineApp.Navigation == null) return;

    String userHash = NavigineApp.Settings.getString("user_hash", "");
    if (userHash.length() == 0) return;

    LocationInfo info = mInfoList.get(index);
    String location = new String(info.title);
    Log.d(TAG, String.format(Locale.ENGLISH, "Start upload: %s", location));

    synchronized (mLoaderMap) {
      if (!mLoaderMap.containsKey(location)) {
        LoaderState loader = new LoaderState();
        loader.location = location;
        loader.type = UPLOAD;
        loader.id = LocationLoader.startLocationUploader(location, info.archiveFile, true);
        mLoaderMap.put(location, loader);
      }
    }
    mAdapter.updateList();
  }