MyAdapter.java

package com.example.mylist;

import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import java.util.ArrayList;

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
    private final ArrayList<Item> data;

    public MyAdapter(ArrayList<Item> data) {
        this.data = data;
    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_in_list_layout, parent, false);
        MyViewHolder mvh = new MyViewHolder(view);
        return mvh;
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
        Item currentItem = data.get(position);

        holder.tvName.setText(currentItem.getName());
        holder.tvQuentity.setText(currentItem.getQuentity() + "");

        setColor(holder, position);

        holder.tvQuentity.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                currentItem.setQuentity(0);
                holder.tvQuentity.setText("0");

                setColor(holder, position);
            }
        });
    }

    private void setColor(MyViewHolder holder, int position) {
        Item currentItem = data.get(position);
        if (currentItem.getQuentity() < 20) {
            holder.tvName.setBackgroundColor(Color.RED);
            holder.tvQuentity.setBackgroundColor(Color.RED);
        } else {
            holder.tvName.setBackgroundColor(Color.GREEN);
            holder.tvQuentity.setBackgroundColor(Color.GREEN);
        }
    }

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

    public class MyViewHolder extends RecyclerView.ViewHolder {
        private TextView tvName;
        private TextView tvQuentity;

        public MyViewHolder(@NonNull View itemView) {
            super(itemView);

            tvName = itemView.findViewById(R.id.tvName);
            tvQuentity = itemView.findViewById(R.id.tvQuentity);
        }
    }
}