public boolean themeOptionsAvailable() {
        return StringUtils.isNotBlank(Settings.getSelectedMapRenderTheme());
    }
Helper class for Map Theme selection and related tasks.
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Works in conjunction with {@link RenderThemeSettings} (for theme settings GUI).
<br>
Note: this class is an attempt to bundle all large parts of this code were simply moved from class
NewMap and might need refactoring.
main/src/main/java/cgeo/geocaching/maps/mapsforge/v6/RenderThemeHelper.java