public void selectMapThemeOptions() {
        final Intent intent = new Intent(activity, MapsforgeThemeSettings.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
        if (themeOptionsAvailable() && themeStyleMenu != null) {
            intent.putExtra(MapsforgeThemeSettingsFragment.RENDERTHEME_MENU, themeStyleMenu);
        }
        activity.startActivity(intent);
    }
Helper class for Map Theme selection and related tasks.
<br>
Works in conjunction with {@link MapsforgeThemeSettings} (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/unifiedmap/mapsforge/MapsforgeThemeHelper.java