adapter for recyclerview

StorageIntroAdapter.java

public class StorageIntroAdapter extends RecyclerView.Adapter<StorageIntroAdapter.ViewHolder> {

    private final LayoutInflater inflater;

    private final List<StorageOption> data;

    private int selectedPosition;
    
    private Consumer<Integer> onSelectionChangedListener;

    public StorageIntroAdapter(LayoutInflater inflater, List<StorageOption> data) {
        this.inflater = inflater;
        this.data = data;
    }

    public void setSelectedPosition(int selectedPosition) {
        this.selectedPosition = selectedPosition;
    }
    
    public void getSelectedPosition() {
        return selectedPosition;
    }
    
    public void setOnSelectionChangedListener(Consumer<Integer> listener) {
        onSelectionChangedListener = listener;
    }
    
    private void onItemSelected(int position) {
        int oldSelectedPosition = selectedPosition;
        selectedPosition = position;
        
        notifyItemChanged(oldSelectedPosition);
        notifyItemChanged(selectedPosition);
        
        onSelectionChangedListener.accept(selectedPosition);
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = inflater.inflate(R.layout.item_storage_option, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        StorageOption storageOption = data.get(position);
        holder.bind(storageOption, position == selectedPosition);
    }

    @Override
    public int getItemCount() {
        return data.size();
    }

    class ViewHolder extends RecyclerView.ViewHolder {

        private TextView pathText;

        private TextView freeSpaceText;

        private ProgressBar gauge;

        private TextView titleText;

        ViewHolder(View itemView) {
            super(itemView);
            titleText = itemView.findViewById(R.id.titleText);
            pathText = itemView.findViewById(R.id.pathText);
            freeSpaceText = itemView.findViewById(R.id.freeSpaceText);
            gauge = itemView.findViewById(R.id.gauge);
            itemView.setOnClickListener(v -> onItemSelected(getAdapterPosition()));
        }

        private void bind(StorageOption storageOption, boolean isSelected) {
            itemView.setSelected(isSelected);
            titleText.setText(storageOption.getTitle());
            pathText.setText(storageOption.getPath());
            freeSpaceText.setText(storageOption.getFreeSpaceStr());
            gauge.setMax(storageOption.getTotalSpaceMb());
            gauge.setProgress(storageOption.getUsedSpaceMb());
        }
    }
}