java stuff

x.java

    public class DisplayOption {
        String item;
        boolean checked;
        Consumer<Boolean> callback;
        public DisplayOption(String item, boolean checked, Consumer<Boolean> callback) {
            this.item = item;
            this.checked = checked;
            this.callback = callback;
        }
    }

    public void showDisplayOptionsDialog() {
        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(mContext);
        builder.setTitle(R.string.action_display_options);

        ArrayList<DisplayOption> options = new ArrayList<>();
        options.add(new DisplayOption(mContext.getString(R.string.show_name_below_image_thumbnail), showingNameBelowThumbnail(), this::showNameBelowThumbnail));
        options.add(new DisplayOption(mContext.getString(R.string.show_note), showingNote(), this::showNote));
        options.add(new DisplayOption(mContext.getString(R.string.show_balance), showingBalance(), this::showBalance));
        options.add(new DisplayOption(mContext.getString(R.string.show_validity), showingValidity(), this::showValidity));
        if (true) {
            options.add(new DisplayOption(mContext.getString(R.string.show_archived_cards), showingArchivedCards(), this::showArchivedCards));
        }
        String[] items = options.stream().map(o -> o.item).toArray(String[]::new);
        Boolean[] checkedItems = options.stream().map(o -> o.checked).toArray(Boolean[]::new);
        boolean[] checkedItemsPrimitive = new boolean[checkedItems.length];
        for (int i = 0; i < checkedItems.length; i++) checkedItemsPrimitive[i] = checkedItems[i];

        builder.setMultiChoiceItems(
                items,
                checkedItemsPrimitive,
                (dialogInterface, i, b) -> options.get(i).callback.accept(b)
        );
        builder.setPositiveButton(R.string.ok, (dialog, i) -> dialog.dismiss());

        AlertDialog dialog = builder.create();
        dialog.show();
    }