public SimpleItemListModel<T> setDisplayMapper(final BiFunction<T, ItemGroup<T, Object>, TextParam> displayMapper, @Nullable final BiFunction<T, ItemGroup<T, Object>, String> textFilterMapper, @Nullable final BiFunction<Context, ViewGroup, TextView> textViewCreator) {
        if (displayMapper != null) {
            setDisplayViewMapper(constructDisplayTextViewMapper(displayMapper, textViewCreator), textFilterMapper != null ? textFilterMapper : constructFilterTextExtractor(displayMapper));
        }
        return this;
    }
Sets a display providing the text visualization for an item
main/src/main/java/cgeo/geocaching/ui/SimpleItemListModel.java