Recyclerview Android Single Choice with Callback

ItemClickCallback.java

public interface ItemClickCallback<Item> {
    public void onItemClick(Item item);
}

SampleActivity.java

private void setupRecyclerView() {
  leaveTypeAdapter = new SampleAdapter(getContext(), Data.getLeaveType(getContext()));
  leave_recyclerView.setAdapter(leaveTypeAdapter);
  leaveTypeAdapter.notifyDataSetChanged();
  leaveTypeAdapter.setItemClickCallback(this);
}

@Override
public void onItemClick(Object o) {
    if (o instanceof LeaveType) {
        // your code
    }
}

SampleAdapter.java

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

    private List<Model> items;
    private Context mContext;
    private int type;
    private int lastCheckedPosition = 0;

    private ItemClickCallback itemClickCallback;

    public SampleAdapter(Context mContext, List<Model> list) {
        items = list;
        this.mContext = mContext;
        this.type = type;
    }

    public void setItemClickCallback(ItemClickCallback itemClickCallback) {
        this.itemClickCallback  = itemClickCallback;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_leave_type, parent, false);
        return new ViewHolderLeaveType(view);
    }

    @SuppressWarnings("unchecked")
    class ViewHolderLeaveType extends RecyclerView.ViewHolder {
        @BindView(R.id.item_image)
        ImageView itemImage;
        @BindView(R.id.item_text)
        TextView itemText;
        @BindView(R.id.item_type)
        LinearLayout itemType;

        ViewHolderLeaveType(View itemView) {
            super(itemView);
            ButterKnife.bind(this, itemView);
            itemType.setOnClickListener(view -> {
                lastCheckedPosition = getAdapterPosition();
                notifyDataSetChanged();

                if (itemClickCallback != null) {
                    itemClickCallback.onItemClick(items.get(lastCheckedPosition));
                }
            });
        }
    }

    @SuppressLint("DefaultLocale")
    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        ViewHolderLeaveType vHolder = (ViewHolderLeaveType)holder;

        Model leaveType = items.get(position);
        vHolder.itemText.setText(leaveType.getName());
        leaveType.setSelected(position == lastCheckedPosition);
    }

    @Override
    public int getItemCount() {
        return items != null ? items.size() : 0;
    }
}