Сергей Водаков

styleValues = new ArrayList<>();
    Field[] styleFields = R.style.class.getDeclaredFields();
    for (int i=0; i<styleFields.length; i++){
        Field styleField = styleFields[i];
        String styleName = styleField.getName();
        if (styleName.startsWith("AppTheme")){
            try {
                ContentValues styleValue = new ContentValues();
                styleValue.put("style",styleFields[i].getInt(styleName));
                styleValue.put("name",R.string.class.getField(styleName+"Name").getInt(styleName+"Name"));
                styleValues.add(styleValue);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (NoSuchFieldException e) {
                e.printStackTrace();
            }
        }
    }