@Override
  protected void init(Intent intent) {
    final FBReaderApp fbReader = (FBReaderApp) FBReaderApp.Instance();
    final ZLAndroidApplication androidApp = ZLAndroidApplication.Instance();
    final ColorProfile profile = fbReader.getColorProfile();

    final Screen directoriesScreen = createPreferenceScreen("directories");
    directoriesScreen.addOption(Paths.BooksDirectoryOption(), "books");
    if (AndroidFontUtil.areExternalFontsSupported()) {
      directoriesScreen.addOption(Paths.FontsDirectoryOption(), "fonts");
    }
    directoriesScreen.addOption(Paths.WallpapersDirectoryOption(), "wallpapers");

    final ZLPreferenceSet statusBarPreferences = new ZLPreferenceSet();
    final Screen appearanceScreen = createPreferenceScreen("appearance");
    appearanceScreen.addOption(androidApp.AutoOrientationOption, "autoOrientation");
    appearanceScreen.addPreference(
        new ZLBooleanPreference(
            this, androidApp.ShowStatusBarOption, appearanceScreen.Resource, "showStatusBar") {
          @Override
          public void onClick() {
            super.onClick();
            statusBarPreferences.setEnabled(!isChecked());
          }
        });
    statusBarPreferences.add(
        appearanceScreen.addOption(
            androidApp.ShowStatusBarWhenMenuIsActiveOption, "showStatusBarWhenMenuIsActive"));
    statusBarPreferences.setEnabled(!androidApp.ShowStatusBarOption.getValue());
    appearanceScreen.addOption(androidApp.DisableButtonLightsOption, "disableButtonLights");

    final Screen textScreen = createPreferenceScreen("text");
    final ZLTextStyleCollection collection = ZLTextStyleCollection.Instance();
    final ZLTextBaseStyle baseStyle = collection.getBaseStyle();
    textScreen.addPreference(
        new FontOption(this, textScreen.Resource, "font", baseStyle.FontFamilyOption, false));
    textScreen.addPreference(
        new ZLIntegerRangePreference(
            this, textScreen.Resource.getResource("fontSize"), baseStyle.FontSizeOption));
    textScreen.addPreference(
        new FontStylePreference(
            this, textScreen.Resource, "fontStyle", baseStyle.BoldOption, baseStyle.ItalicOption));
    final ZLIntegerRangeOption spaceOption = baseStyle.LineSpaceOption;
    final String[] spacings = new String[spaceOption.MaxValue - spaceOption.MinValue + 1];
    for (int i = 0; i < spacings.length; ++i) {
      final int val = spaceOption.MinValue + i;
      spacings[i] = (char) (val / 10 + '0') + "." + (char) (val % 10 + '0');
    }
    textScreen.addPreference(
        new ZLChoicePreference(this, textScreen.Resource, "lineSpacing", spaceOption, spacings));
    final String[] alignments = {"left", "right", "center", "justify"};
    textScreen.addPreference(
        new ZLChoicePreference(
            this, textScreen.Resource, "alignment", baseStyle.AlignmentOption, alignments));
    textScreen.addPreference(
        new ZLBooleanPreference(
            this, baseStyle.AutoHyphenationOption, textScreen.Resource, "autoHyphenations"));

    final Screen moreStylesScreen = textScreen.createPreferenceScreen("more");

    byte styles[] = {
      FBTextKind.REGULAR,
      FBTextKind.TITLE,
      FBTextKind.SECTION_TITLE,
      FBTextKind.SUBTITLE,
      FBTextKind.H1,
      FBTextKind.H2,
      FBTextKind.H3,
      FBTextKind.H4,
      FBTextKind.H5,
      FBTextKind.H6,
      FBTextKind.ANNOTATION,
      FBTextKind.EPIGRAPH,
      FBTextKind.AUTHOR,
      FBTextKind.POEM_TITLE,
      FBTextKind.STANZA,
      FBTextKind.VERSE,
      FBTextKind.CITE,
      FBTextKind.INTERNAL_HYPERLINK,
      FBTextKind.EXTERNAL_HYPERLINK,
      FBTextKind.FOOTNOTE,
      FBTextKind.ITALIC,
      FBTextKind.EMPHASIS,
      FBTextKind.BOLD,
      FBTextKind.STRONG,
      FBTextKind.DEFINITION,
      FBTextKind.DEFINITION_DESCRIPTION,
      FBTextKind.PREFORMATTED,
      FBTextKind.CODE
    };
    for (int i = 0; i < styles.length; ++i) {
      final ZLTextStyleDecoration decoration = collection.getDecoration(styles[i]);
      if (decoration == null) {
        continue;
      }
      ZLTextFullStyleDecoration fullDecoration =
          decoration instanceof ZLTextFullStyleDecoration
              ? (ZLTextFullStyleDecoration) decoration
              : null;

      final Screen formatScreen = moreStylesScreen.createPreferenceScreen(decoration.getName());
      formatScreen.addPreference(
          new FontOption(this, textScreen.Resource, "font", decoration.FontFamilyOption, true));
      formatScreen.addPreference(
          new ZLIntegerRangePreference(
              this,
              textScreen.Resource.getResource("fontSizeDifference"),
              decoration.FontSizeDeltaOption));
      formatScreen.addPreference(
          new ZLBoolean3Preference(this, textScreen.Resource, "bold", decoration.BoldOption));
      formatScreen.addPreference(
          new ZLBoolean3Preference(this, textScreen.Resource, "italic", decoration.ItalicOption));
      if (fullDecoration != null) {
        final String[] allAlignments = {"unchanged", "left", "right", "center", "justify"};
        formatScreen.addPreference(
            new ZLChoicePreference(
                this,
                textScreen.Resource,
                "alignment",
                fullDecoration.AlignmentOption,
                allAlignments));
      }
      formatScreen.addPreference(
          new ZLBoolean3Preference(
              this, textScreen.Resource, "allowHyphenations", decoration.AllowHyphenationsOption));
      if (fullDecoration != null) {
        formatScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                textScreen.Resource.getResource("spaceBefore"),
                fullDecoration.SpaceBeforeOption));
        formatScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                textScreen.Resource.getResource("spaceAfter"),
                fullDecoration.SpaceAfterOption));
        formatScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                textScreen.Resource.getResource("leftIndent"),
                fullDecoration.LeftIndentOption));
        formatScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                textScreen.Resource.getResource("rightIndent"),
                fullDecoration.RightIndentOption));
        formatScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                textScreen.Resource.getResource("firstLineIndent"),
                fullDecoration.FirstLineIndentDeltaOption));
        final ZLIntegerOption spacePercentOption = fullDecoration.LineSpacePercentOption;
        final int[] spacingValues = new int[17];
        final String[] spacingKeys = new String[17];
        spacingValues[0] = -1;
        spacingKeys[0] = "unchanged";
        for (int j = 1; j < spacingValues.length; ++j) {
          final int val = 4 + j;
          spacingValues[j] = 10 * val;
          spacingKeys[j] = (char) (val / 10 + '0') + "." + (char) (val % 10 + '0');
        }
        formatScreen.addPreference(
            new ZLIntegerChoicePreference(
                this,
                textScreen.Resource,
                "lineSpacing",
                spacePercentOption,
                spacingValues,
                spacingKeys));
      }
    }

    final ZLPreferenceSet footerPreferences = new ZLPreferenceSet();
    final ZLPreferenceSet bgPreferences = new ZLPreferenceSet();

    final Screen colorsScreen = createPreferenceScreen("colors");
    colorsScreen.addPreference(
        new WallpaperPreference(this, profile, colorsScreen.Resource, "background") {
          @Override
          protected void onDialogClosed(boolean result) {
            super.onDialogClosed(result);
            bgPreferences.setEnabled("".equals(getValue()));
          }
        });
    bgPreferences.add(colorsScreen.addOption(profile.BackgroundOption, "backgroundColor"));
    bgPreferences.setEnabled("".equals(profile.WallpaperOption.getValue()));
    /*
    colorsScreen.addOption(profile.SelectionBackgroundOption, "selectionBackground");
    */
    colorsScreen.addOption(profile.HighlightingOption, "highlighting");
    colorsScreen.addOption(profile.RegularTextOption, "text");
    colorsScreen.addOption(profile.HyperlinkTextOption, "hyperlink");
    colorsScreen.addOption(profile.VisitedHyperlinkTextOption, "hyperlinkVisited");
    colorsScreen.addOption(profile.FooterFillOption, "footer");

    final Screen marginsScreen = createPreferenceScreen("margins");
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("left"), fbReader.LeftMarginOption));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("right"), fbReader.RightMarginOption));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("top"), fbReader.TopMarginOption));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("bottom"), fbReader.BottomMarginOption));

    final Screen statusLineScreen = createPreferenceScreen("scrollBar");

    final String[] scrollBarTypes = {"hide", "show", "showAsProgress", "showAsFooter"};
    statusLineScreen.addPreference(
        new ZLChoicePreference(
            this,
            statusLineScreen.Resource,
            "scrollbarType",
            fbReader.ScrollbarTypeOption,
            scrollBarTypes) {
          @Override
          protected void onDialogClosed(boolean result) {
            super.onDialogClosed(result);
            footerPreferences.setEnabled(
                findIndexOfValue(getValue()) == FBView.SCROLLBAR_SHOW_AS_FOOTER);
          }
        });

    footerPreferences.add(
        statusLineScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                statusLineScreen.Resource.getResource("footerHeight"),
                fbReader.FooterHeightOption)));
    footerPreferences.add(statusLineScreen.addOption(profile.FooterFillOption, "footerColor"));
    footerPreferences.add(
        statusLineScreen.addOption(fbReader.FooterShowTOCMarksOption, "tocMarks"));

    footerPreferences.add(statusLineScreen.addOption(fbReader.FooterShowClockOption, "showClock"));
    footerPreferences.add(
        statusLineScreen.addOption(fbReader.FooterShowBatteryOption, "showBattery"));
    footerPreferences.add(
        statusLineScreen.addOption(fbReader.FooterShowProgressOption, "showProgress"));
    footerPreferences.add(
        statusLineScreen.addPreference(
            new FontOption(
                this, statusLineScreen.Resource, "font", fbReader.FooterFontOption, false)));
    footerPreferences.setEnabled(
        fbReader.ScrollbarTypeOption.getValue() == FBView.SCROLLBAR_SHOW_AS_FOOTER);

    final Screen displayScreen = createPreferenceScreen("display");
    displayScreen.addPreference(
        new ZLBooleanPreference(
            this,
            fbReader.AllowScreenBrightnessAdjustmentOption,
            displayScreen.Resource,
            "allowScreenBrightnessAdjustment") {
          public void onAccept() {
            super.onAccept();
            if (!isChecked()) {
              androidApp.ScreenBrightnessLevelOption.setValue(0);
            }
          }
        });
    displayScreen.addPreference(
        new BatteryLevelToTurnScreenOffPreference(
            this,
            androidApp.BatteryLevelToTurnScreenOffOption,
            displayScreen.Resource,
            "dontTurnScreenOff"));
    /*
    displayScreen.addPreference(new ZLBooleanPreference(
    	this,
    	androidApp.DontTurnScreenOffDuringChargingOption,
    	displayScreen.Resource,
    	"dontTurnScreenOffDuringCharging"
    ));
    */

    /*
    final Screen colorProfileScreen = createPreferenceScreen("colorProfile");
    final ZLResource resource = colorProfileScreen.Resource;
    colorProfileScreen.setSummary(ColorProfilePreference.createTitle(resource, fbreader.getColorProfileName()));
    for (String key : ColorProfile.names()) {
    	colorProfileScreen.addPreference(new ColorProfilePreference(
    		this, fbreader, colorProfileScreen, key, ColorProfilePreference.createTitle(resource, key)
    	));
    }
    */

    final ScrollingPreferences scrollingPreferences = ScrollingPreferences.Instance();

    // final Screen tapZonesScreen = createPreferenceScreen("tapZones");
    // tapZonesScreen.addOption(scrollingPreferences.TapZonesSchemeOption, "tapZonesScheme");

    final Screen scrollingScreen = createPreferenceScreen("scrolling");
    scrollingScreen.addOption(scrollingPreferences.FingerScrollingOption, "fingerScrolling");
    scrollingScreen.addOption(fbReader.EnableDoubleTapOption, "enableDoubleTapDetection");

    final ZLPreferenceSet volumeKeysPreferences = new ZLPreferenceSet();
    scrollingScreen.addPreference(
        new ZLBooleanPreference(
            this, scrollingPreferences.VolumeKeysOption, scrollingScreen.Resource, "volumeKeys") {
          @Override
          protected void onClick() {
            super.onClick();
            volumeKeysPreferences.setEnabled(isChecked());
          }
        });
    volumeKeysPreferences.add(
        scrollingScreen.addOption(scrollingPreferences.InvertVolumeKeysOption, "invertVolumeKeys"));
    volumeKeysPreferences.setEnabled(scrollingPreferences.VolumeKeysOption.getValue());

    scrollingScreen.addOption(scrollingPreferences.AnimationOption, "animation");
    scrollingScreen.addPreference(
        new AnimationSpeedPreference(
            this,
            scrollingScreen.Resource,
            "animationSpeed",
            scrollingPreferences.AnimationSpeedOption));
    scrollingScreen.addOption(scrollingPreferences.HorizontalOption, "horizontal");

    final Screen dictionaryScreen = createPreferenceScreen("dictionary");
    dictionaryScreen.addPreference(
        new DictionaryPreference(this, dictionaryScreen.Resource, "dictionary"));
    dictionaryScreen.addPreference(
        new ZLBooleanPreference(
            this,
            fbReader.NavigateAllWordsOption,
            dictionaryScreen.Resource,
            "navigateOverAllWords"));
    dictionaryScreen.addOption(fbReader.DictionaryTappingActionOption, "tappingAction");

    final Screen imagesScreen = createPreferenceScreen("images");
    imagesScreen.addOption(fbReader.ImageTappingActionOption, "tappingAction");
    imagesScreen.addOption(fbReader.ImageViewBackgroundOption, "backgroundColor");

    final Screen cancelMenuScreen = createPreferenceScreen("cancelMenu");
    cancelMenuScreen.addOption(fbReader.ShowPreviousBookInCancelMenuOption, "previousBook");
    cancelMenuScreen.addOption(fbReader.ShowPositionsInCancelMenuOption, "positions");
    final ZLKeyBindings bindings = fbReader.keyBindings();
    final String[] backKeyActions =
    // { ActionCode.EXIT, ActionCode.GO_BACK, ActionCode.SHOW_CANCEL_MENU };
    {ActionCode.EXIT, ActionCode.SHOW_CANCEL_MENU};
    cancelMenuScreen.addPreference(
        new ZLStringChoicePreference(
            this,
            cancelMenuScreen.Resource,
            "backKeyAction",
            bindings.getOption("<Back>", false),
            backKeyActions));
    final String[] backKeyLongPressActions =
    // { ActionCode.EXIT, ActionCode.GO_BACK, ActionCode.SHOW_CANCEL_MENU, FBReaderApp.NoAction };
    {ActionCode.EXIT, ActionCode.SHOW_CANCEL_MENU, FBReaderApp.NoAction};
    cancelMenuScreen.addPreference(
        new ZLStringChoicePreference(
            this,
            cancelMenuScreen.Resource,
            "backKeyLongPressAction",
            bindings.getOption("<Back>", true),
            backKeyLongPressActions));
  }
  @Override
  protected void init(Intent intent) {
    final Config config = Config.Instance();
    config.requestAllValuesForGroup("Style");
    config.requestAllValuesForGroup("Options");
    config.requestAllValuesForGroup("LookNFeel");
    config.requestAllValuesForGroup("Fonts");
    config.requestAllValuesForGroup("Files");
    config.requestAllValuesForGroup("Scrolling");
    config.requestAllValuesForGroup("Colors");
    setResult(FBReader.RESULT_REPAINT);

    final ViewOptions viewOptions = new ViewOptions();
    final MiscOptions miscOptions = new MiscOptions();
    final FooterOptions footerOptions = viewOptions.getFooterOptions();
    final PageTurningOptions pageTurningOptions = new PageTurningOptions();
    final ImageOptions imageOptions = new ImageOptions();
    final ColorProfile profile = viewOptions.getColorProfile();
    final ZLTextStyleCollection collection = viewOptions.getTextStyleCollection();
    final ZLKeyBindings keyBindings = new ZLKeyBindings();

    final ZLAndroidLibrary androidLibrary = (ZLAndroidLibrary) ZLAndroidLibrary.Instance();
    // TODO: use user-defined locale, not the default one,
    // or set user-defined locale as default
    final String decimalSeparator =
        String.valueOf(new DecimalFormatSymbols(Locale.getDefault()).getDecimalSeparator());

    final Screen directoriesScreen = createPreferenceScreen("directories");
    final Runnable libraryUpdater =
        new Runnable() {
          public void run() {
            final BookCollectionShadow bookCollection = new BookCollectionShadow();
            bookCollection.bindToService(
                PreferenceActivity.this,
                new Runnable() {
                  public void run() {
                    bookCollection.reset(false);
                    bookCollection.unbind();
                  }
                });
          }
        };
    directoriesScreen.addPreference(
        myChooserCollection.createPreference(
            directoriesScreen.Resource, "bookPath", Paths.BookPathOption, libraryUpdater));
    directoriesScreen.addPreference(
        myChooserCollection.createPreference(
            directoriesScreen.Resource,
            "downloadDir",
            Paths.DownloadsDirectoryOption,
            libraryUpdater));
    final PreferenceSet fontReloader = new PreferenceSet.Reloader();
    directoriesScreen.addPreference(
        myChooserCollection.createPreference(
            directoriesScreen.Resource, "fontPath", Paths.FontPathOption, fontReloader));
    final PreferenceSet wallpaperReloader = new PreferenceSet.Reloader();
    directoriesScreen.addPreference(
        myChooserCollection.createPreference(
            directoriesScreen.Resource,
            "wallpaperPath",
            Paths.WallpaperPathOption,
            wallpaperReloader));
    directoriesScreen.addPreference(
        myChooserCollection.createPreference(
            directoriesScreen.Resource, "tempDir", Paths.TempDirectoryOption, null));

    final Screen appearanceScreen = createPreferenceScreen("appearance");
    appearanceScreen.addPreference(
        new LanguagePreference(
            this, appearanceScreen.Resource, "language", ZLResource.interfaceLanguages()) {
          @Override
          protected void init() {
            setInitialValue(ZLResource.getLanguageOption().getValue());
          }

          @Override
          protected void setLanguage(String code) {
            final ZLStringOption languageOption = ZLResource.getLanguageOption();
            if (!code.equals(languageOption.getValue())) {
              languageOption.setValue(code);
              finish();
              startActivity(
                  new Intent(
                      Intent.ACTION_VIEW, Uri.parse("fbreader-action:preferences#appearance")));
            }
          }
        });
    appearanceScreen.addPreference(
        new ZLStringChoicePreference(
            this,
            appearanceScreen.Resource,
            "screenOrientation",
            androidLibrary.getOrientationOption(),
            androidLibrary.allOrientations()));
    appearanceScreen.addPreference(
        new ZLBooleanPreference(
            this, viewOptions.TwoColumnView, appearanceScreen.Resource, "twoColumnView"));
    appearanceScreen.addPreference(
        new ZLBooleanPreference(
            this,
            miscOptions.AllowScreenBrightnessAdjustment,
            appearanceScreen.Resource,
            "allowScreenBrightnessAdjustment") {
          private final int myLevel = androidLibrary.ScreenBrightnessLevelOption.getValue();

          @Override
          protected void onClick() {
            super.onClick();
            androidLibrary.ScreenBrightnessLevelOption.setValue(isChecked() ? myLevel : 0);
          }
        });
    appearanceScreen.addPreference(
        new BatteryLevelToTurnScreenOffPreference(
            this,
            androidLibrary.BatteryLevelToTurnScreenOffOption,
            appearanceScreen.Resource,
            "dontTurnScreenOff"));
    /*
    appearanceScreen.addPreference(new ZLBooleanPreference(
    	this,
    	androidLibrary.DontTurnScreenOffDuringChargingOption,
    	appearanceScreen.Resource,
    	"dontTurnScreenOffDuringCharging"
    ));
     */
    appearanceScreen.addOption(androidLibrary.ShowStatusBarOption, "showStatusBar");
    appearanceScreen.addOption(androidLibrary.DisableButtonLightsOption, "disableButtonLights");

    if (DeviceType.Instance().isEInk()) {
      final EInkOptions einkOptions = new EInkOptions();
      final Screen einkScreen = createPreferenceScreen("eink");
      final PreferenceSet einkPreferences =
          new PreferenceSet.Enabler() {
            @Override
            protected Boolean detectState() {
              return einkOptions.EnableFastRefresh.getValue();
            }
          };

      einkScreen.addPreference(
          new ZLBooleanPreference(
              this, einkOptions.EnableFastRefresh, einkScreen.Resource, "enableFastRefresh") {
            @Override
            protected void onClick() {
              super.onClick();
              einkPreferences.run();
            }
          });

      final ZLIntegerRangePreference updateIntervalPreference =
          new ZLIntegerRangePreference(
              this, einkScreen.Resource.getResource("interval"), einkOptions.UpdateInterval);
      einkScreen.addPreference(updateIntervalPreference);

      einkPreferences.add(updateIntervalPreference);
      einkPreferences.run();
    }

    final Screen textScreen = createPreferenceScreen("text");

    final Screen fontPropertiesScreen = textScreen.createPreferenceScreen("fontProperties");
    fontPropertiesScreen.addOption(ZLAndroidPaintContext.AntiAliasOption, "antiAlias");
    fontPropertiesScreen.addOption(ZLAndroidPaintContext.DeviceKerningOption, "deviceKerning");
    fontPropertiesScreen.addOption(ZLAndroidPaintContext.DitheringOption, "dithering");
    fontPropertiesScreen.addOption(ZLAndroidPaintContext.SubpixelOption, "subpixel");

    final ZLTextBaseStyle baseStyle = collection.getBaseStyle();

    final FontPreference fontPreference =
        new FontPreference(this, textScreen.Resource, "font", baseStyle.FontFamilyOption, false);
    textScreen.addPreference(fontPreference);
    fontReloader.add(fontPreference);

    textScreen.addPreference(
        new ZLIntegerRangePreference(
            this, textScreen.Resource.getResource("fontSize"), baseStyle.FontSizeOption));
    textScreen.addPreference(
        new FontStylePreference(
            this, textScreen.Resource, "fontStyle", baseStyle.BoldOption, baseStyle.ItalicOption));
    final ZLIntegerRangeOption spaceOption = baseStyle.LineSpaceOption;
    final String[] spacings = new String[spaceOption.MaxValue - spaceOption.MinValue + 1];
    for (int i = 0; i < spacings.length; ++i) {
      final int val = spaceOption.MinValue + i;
      spacings[i] = (char) (val / 10 + '0') + decimalSeparator + (char) (val % 10 + '0');
    }
    textScreen.addPreference(
        new ZLChoicePreference(this, textScreen.Resource, "lineSpacing", spaceOption, spacings));
    final String[] alignments = {"left", "right", "center", "justify"};
    textScreen.addPreference(
        new ZLChoicePreference(
            this, textScreen.Resource, "alignment", baseStyle.AlignmentOption, alignments));
    textScreen.addOption(baseStyle.AutoHyphenationOption, "autoHyphenations");

    final Screen moreStylesScreen = textScreen.createPreferenceScreen("more");
    for (ZLTextNGStyleDescription description : collection.getDescriptionList()) {
      final Screen ngScreen = moreStylesScreen.createPreferenceScreen(description.Name);
      ngScreen.addPreference(
          new FontPreference(
              this, textScreen.Resource, "font", description.FontFamilyOption, true));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.FontSizeOption,
              StringPreference.Constraint.POSITIVE_LENGTH,
              textScreen.Resource,
              "fontSize"));
      ngScreen.addPreference(
          new ZLStringChoicePreference(
              this,
              textScreen.Resource,
              "bold",
              description.FontWeightOption,
              new String[] {"inherit", "normal", "bold"}));
      ngScreen.addPreference(
          new ZLStringChoicePreference(
              this,
              textScreen.Resource,
              "italic",
              description.FontStyleOption,
              new String[] {"inherit", "normal", "italic"}));
      ngScreen.addPreference(
          new ZLStringChoicePreference(
              this,
              textScreen.Resource,
              "textDecoration",
              description.TextDecorationOption,
              new String[] {"inherit", "none", "underline", "line-through"}));
      ngScreen.addPreference(
          new ZLStringChoicePreference(
              this,
              textScreen.Resource,
              "allowHyphenations",
              description.HyphenationOption,
              new String[] {"inherit", "none", "auto"}));
      ngScreen.addPreference(
          new ZLStringChoicePreference(
              this,
              textScreen.Resource,
              "alignment",
              description.AlignmentOption,
              new String[] {"inherit", "left", "right", "center", "justify"}));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.LineHeightOption,
              StringPreference.Constraint.PERCENT,
              textScreen.Resource,
              "lineSpacing"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.MarginTopOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "spaceBefore"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.MarginBottomOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "spaceAfter"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.MarginLeftOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "leftIndent"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.MarginRightOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "rightIndent"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.TextIndentOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "firstLineIndent"));
      ngScreen.addPreference(
          new StringPreference(
              this,
              description.VerticalAlignOption,
              StringPreference.Constraint.LENGTH,
              textScreen.Resource,
              "verticalAlignment"));
    }

    final PreferenceSet footerPreferences =
        new PreferenceSet.Enabler() {
          @Override
          protected Boolean detectState() {
            return viewOptions.ScrollbarType.getValue() == FBView.SCROLLBAR_SHOW_AS_FOOTER;
          }
        };
    final PreferenceSet bgPreferences =
        new PreferenceSet.Enabler() {
          @Override
          protected Boolean detectState() {
            return "".equals(profile.WallpaperOption.getValue());
          }
        };

    final Screen cssScreen = createPreferenceScreen("css");
    cssScreen.addOption(baseStyle.UseCSSFontFamilyOption, "fontFamily");
    cssScreen.addOption(baseStyle.UseCSSFontSizeOption, "fontSize");
    cssScreen.addOption(baseStyle.UseCSSTextAlignmentOption, "textAlignment");
    cssScreen.addOption(baseStyle.UseCSSMarginsOption, "margins");

    final Screen colorsScreen = createPreferenceScreen("colors");

    final WallpaperPreference wallpaperPreference =
        new WallpaperPreference(this, profile, colorsScreen.Resource, "background") {
          @Override
          protected void onDialogClosed(boolean result) {
            super.onDialogClosed(result);
            bgPreferences.run();
          }
        };
    colorsScreen.addPreference(wallpaperPreference);
    wallpaperReloader.add(wallpaperPreference);

    bgPreferences.add(colorsScreen.addOption(profile.BackgroundOption, "backgroundColor"));
    bgPreferences.run();
    colorsScreen.addOption(profile.HighlightingOption, "highlighting");
    colorsScreen.addOption(profile.RegularTextOption, "text");
    colorsScreen.addOption(profile.HyperlinkTextOption, "hyperlink");
    colorsScreen.addOption(profile.VisitedHyperlinkTextOption, "hyperlinkVisited");
    colorsScreen.addOption(profile.FooterFillOption, "footer");
    colorsScreen.addOption(profile.SelectionBackgroundOption, "selectionBackground");
    colorsScreen.addOption(profile.SelectionForegroundOption, "selectionForeground");

    final Screen marginsScreen = createPreferenceScreen("margins");
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("left"), viewOptions.LeftMargin));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("right"), viewOptions.RightMargin));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("top"), viewOptions.TopMargin));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this, marginsScreen.Resource.getResource("bottom"), viewOptions.BottomMargin));
    marginsScreen.addPreference(
        new ZLIntegerRangePreference(
            this,
            marginsScreen.Resource.getResource("spaceBetweenColumns"),
            viewOptions.SpaceBetweenColumns));

    final Screen statusLineScreen = createPreferenceScreen("scrollBar");

    final String[] scrollBarTypes = {"hide", "show", "showAsProgress", "showAsFooter"};
    statusLineScreen.addPreference(
        new ZLChoicePreference(
            this,
            statusLineScreen.Resource,
            "scrollbarType",
            viewOptions.ScrollbarType,
            scrollBarTypes) {
          @Override
          protected void onDialogClosed(boolean result) {
            super.onDialogClosed(result);
            footerPreferences.run();
          }
        });

    footerPreferences.add(
        statusLineScreen.addPreference(
            new ZLIntegerRangePreference(
                this,
                statusLineScreen.Resource.getResource("footerHeight"),
                viewOptions.FooterHeight)));
    footerPreferences.add(statusLineScreen.addOption(profile.FooterFillOption, "footerColor"));
    footerPreferences.add(statusLineScreen.addOption(footerOptions.ShowTOCMarks, "tocMarks"));

    footerPreferences.add(statusLineScreen.addOption(footerOptions.ShowProgress, "showProgress"));
    footerPreferences.add(statusLineScreen.addOption(footerOptions.ShowClock, "showClock"));
    footerPreferences.add(statusLineScreen.addOption(footerOptions.ShowBattery, "showBattery"));
    footerPreferences.add(
        statusLineScreen.addPreference(
            new FontPreference(
                this, statusLineScreen.Resource, "font", footerOptions.Font, false)));
    footerPreferences.run();

    /*
    final Screen colorProfileScreen = createPreferenceScreen("colorProfile");
    final ZLResource resource = colorProfileScreen.Resource;
    colorProfileScreen.setSummary(ColorProfilePreference.createTitle(resource, fbreader.getColorProfileName()));
    for (String key : ColorProfile.names()) {
    	colorProfileScreen.addPreference(new ColorProfilePreference(
    		this, fbreader, colorProfileScreen, key, ColorProfilePreference.createTitle(resource, key)
    	));
    }
     */

    final Screen scrollingScreen = createPreferenceScreen("scrolling");
    scrollingScreen.addOption(pageTurningOptions.FingerScrolling, "fingerScrolling");
    scrollingScreen.addOption(miscOptions.EnableDoubleTap, "enableDoubleTapDetection");

    final PreferenceSet volumeKeysPreferences =
        new PreferenceSet.Enabler() {
          @Override
          protected Boolean detectState() {
            return keyBindings.hasBinding(KeyEvent.KEYCODE_VOLUME_UP, false);
          }
        };
    scrollingScreen.addPreference(
        new ZLCheckBoxPreference(this, scrollingScreen.Resource, "volumeKeys") {
          {
            setChecked(keyBindings.hasBinding(KeyEvent.KEYCODE_VOLUME_UP, false));
          }

          @Override
          protected void onClick() {
            super.onClick();
            if (isChecked()) {
              keyBindings.bindKey(
                  KeyEvent.KEYCODE_VOLUME_DOWN, false, ActionCode.VOLUME_KEY_SCROLL_FORWARD);
              keyBindings.bindKey(
                  KeyEvent.KEYCODE_VOLUME_UP, false, ActionCode.VOLUME_KEY_SCROLL_BACK);
            } else {
              keyBindings.bindKey(KeyEvent.KEYCODE_VOLUME_DOWN, false, FBReaderApp.NoAction);
              keyBindings.bindKey(KeyEvent.KEYCODE_VOLUME_UP, false, FBReaderApp.NoAction);
            }
            volumeKeysPreferences.run();
          }
        });
    volumeKeysPreferences.add(
        scrollingScreen.addPreference(
            new ZLCheckBoxPreference(this, scrollingScreen.Resource, "invertVolumeKeys") {
              {
                setChecked(
                    ActionCode.VOLUME_KEY_SCROLL_FORWARD.equals(
                        keyBindings.getBinding(KeyEvent.KEYCODE_VOLUME_UP, false)));
              }

              @Override
              protected void onClick() {
                super.onClick();
                if (isChecked()) {
                  keyBindings.bindKey(
                      KeyEvent.KEYCODE_VOLUME_DOWN, false, ActionCode.VOLUME_KEY_SCROLL_BACK);
                  keyBindings.bindKey(
                      KeyEvent.KEYCODE_VOLUME_UP, false, ActionCode.VOLUME_KEY_SCROLL_FORWARD);
                } else {
                  keyBindings.bindKey(
                      KeyEvent.KEYCODE_VOLUME_DOWN, false, ActionCode.VOLUME_KEY_SCROLL_FORWARD);
                  keyBindings.bindKey(
                      KeyEvent.KEYCODE_VOLUME_UP, false, ActionCode.VOLUME_KEY_SCROLL_BACK);
                }
              }
            }));
    volumeKeysPreferences.run();

    scrollingScreen.addOption(pageTurningOptions.Animation, "animation");
    scrollingScreen.addPreference(
        new AnimationSpeedPreference(
            this, scrollingScreen.Resource, "animationSpeed", pageTurningOptions.AnimationSpeed));
    scrollingScreen.addOption(pageTurningOptions.Horizontal, "horizontal");

    final Screen dictionaryScreen = createPreferenceScreen("dictionary");

    final List<String> langCodes = ZLResource.languageCodes();
    final ArrayList<Language> languages = new ArrayList<Language>(langCodes.size() + 1);
    for (String code : langCodes) {
      languages.add(new Language(code));
    }
    Collections.sort(languages);
    languages.add(
        0,
        new Language(Language.ANY_CODE, dictionaryScreen.Resource.getResource("targetLanguage")));
    final LanguagePreference targetLanguagePreference =
        new LanguagePreference(this, dictionaryScreen.Resource, "targetLanguage", languages) {
          @Override
          protected void init() {
            setInitialValue(DictionaryUtil.TargetLanguageOption.getValue());
          }

          @Override
          protected void setLanguage(String code) {
            DictionaryUtil.TargetLanguageOption.setValue(code);
          }
        };

    DictionaryUtil.init(
        this,
        new Runnable() {
          public void run() {
            dictionaryScreen.addPreference(
                new DictionaryPreference(
                    PreferenceActivity.this,
                    dictionaryScreen.Resource,
                    "dictionary",
                    DictionaryUtil.singleWordTranslatorOption(),
                    DictionaryUtil.dictionaryInfos(PreferenceActivity.this, true)) {
                  @Override
                  protected void onDialogClosed(boolean result) {
                    super.onDialogClosed(result);
                    targetLanguagePreference.setEnabled(
                        DictionaryUtil.getCurrentDictionaryInfo(true)
                            .SupportsTargetLanguageSetting);
                  }
                });
            dictionaryScreen.addPreference(
                new DictionaryPreference(
                    PreferenceActivity.this,
                    dictionaryScreen.Resource,
                    "translator",
                    DictionaryUtil.multiWordTranslatorOption(),
                    DictionaryUtil.dictionaryInfos(PreferenceActivity.this, false)));
            dictionaryScreen.addPreference(
                new ZLBooleanPreference(
                    PreferenceActivity.this,
                    miscOptions.NavigateAllWords,
                    dictionaryScreen.Resource,
                    "navigateOverAllWords"));
            dictionaryScreen.addOption(miscOptions.WordTappingAction, "tappingAction");
            dictionaryScreen.addPreference(targetLanguagePreference);
            targetLanguagePreference.setEnabled(
                DictionaryUtil.getCurrentDictionaryInfo(true).SupportsTargetLanguageSetting);
          }
        });

    final Screen imagesScreen = createPreferenceScreen("images");
    imagesScreen.addOption(imageOptions.TapAction, "tappingAction");
    imagesScreen.addOption(imageOptions.FitToScreen, "fitImagesToScreen");
    imagesScreen.addOption(imageOptions.ImageViewBackground, "backgroundColor");
    imagesScreen.addOption(imageOptions.MatchBackground, "matchBackground");

    final CancelMenuHelper cancelMenuHelper = new CancelMenuHelper();
    final Screen cancelMenuScreen = createPreferenceScreen("cancelMenu");
    cancelMenuScreen.addOption(cancelMenuHelper.ShowLibraryItemOption, "library");
    cancelMenuScreen.addOption(cancelMenuHelper.ShowNetworkLibraryItemOption, "networkLibrary");
    cancelMenuScreen.addOption(cancelMenuHelper.ShowPreviousBookItemOption, "previousBook");
    cancelMenuScreen.addOption(cancelMenuHelper.ShowPositionItemsOption, "positions");
    final String[] backKeyActions = {ActionCode.EXIT, ActionCode.SHOW_CANCEL_MENU};
    cancelMenuScreen.addPreference(
        new ZLStringChoicePreference(
            this,
            cancelMenuScreen.Resource,
            "backKeyAction",
            keyBindings.getOption(KeyEvent.KEYCODE_BACK, false),
            backKeyActions));
    final String[] backKeyLongPressActions = {
      ActionCode.EXIT, ActionCode.SHOW_CANCEL_MENU, FBReaderApp.NoAction
    };
    cancelMenuScreen.addPreference(
        new ZLStringChoicePreference(
            this,
            cancelMenuScreen.Resource,
            "backKeyLongPressAction",
            keyBindings.getOption(KeyEvent.KEYCODE_BACK, true),
            backKeyLongPressActions));

    final Screen tipsScreen = createPreferenceScreen("tips");
    tipsScreen.addOption(TipsManager.Instance().ShowTipsOption, "showTips");

    final Screen aboutScreen = createPreferenceScreen("about");
    aboutScreen.addPreference(
        new InfoPreference(
            this,
            aboutScreen.Resource.getResource("version").getValue(),
            androidLibrary.getFullVersionName()));
    aboutScreen.addPreference(new UrlPreference(this, aboutScreen.Resource, "site"));
    aboutScreen.addPreference(new UrlPreference(this, aboutScreen.Resource, "email"));
    aboutScreen.addPreference(new UrlPreference(this, aboutScreen.Resource, "twitter"));
    aboutScreen.addPreference(new UrlPreference(this, aboutScreen.Resource, "facebook"));
    aboutScreen.addPreference(
        new ThirdPartyLibrariesPreference(this, aboutScreen.Resource, "thirdParty"));
  }