Android - How to Change the Color of Alternate Rows in RecyclerView

package com.example.geeksforgeeks;

// Employee model
public class Employee {
    private String name; // name of the employee
    private String email; // email of the employee

    public Employee(String name, String email) {
        this.name = name;
        this.email = email;
    }

    public String getName() {
        return name;
    }

    public String getEmail() {
        return email;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setEmail(String email) {
        this.email = email;
    }
}

package com.example.geeksforgeeks;

import java.util.ArrayList;

public class Constants {
    // This Method create an employee 
    // Arraylist and return the Arraylist
    public static ArrayList<Employee> getEmployeeData() {
        // create an arraylist of type employee class
        ArrayList<Employee> employeeList = new ArrayList<Employee>(); 
        Employee emp1 = new Employee("Chinmaya Mohapatra", "[email protected]");
        employeeList.add(emp1);
        Employee emp2 = new Employee("Ram prakash", "[email protected]");
        employeeList.add(emp2);
        Employee emp3 = new Employee("OMM Meheta", "[email protected]");
        employeeList.add(emp3);
        Employee emp4 = new Employee("Hari Mohapatra", "[email protected]");
        employeeList.add(emp4);
        Employee emp5 = new Employee("Abhisek Mishra", "[email protected]");
        employeeList.add(emp5);
        Employee emp6 = new Employee("Sindhu Malhotra", "[email protected]");
        employeeList.add(emp6);

        return employeeList;
    }
}

package com.example.geeksforgeeks;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.ViewGroup;

import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.RecyclerView;

import com.example.geeksforgeeks.databinding.ItemsRowBinding;

import java.util.ArrayList;

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

    private ArrayList<Employee> items;

    public ItemAdapter(ArrayList<Employee> items) {
        this.items = items;
    }

    // Inflates the item views which is designed in xml layout file
    // create a new
    // ViewHolder and initializes some private fields to be used by RecyclerView.
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        return new ViewHolder(
                ItemsRowBinding.inflate(
                        LayoutInflater.from(parent.getContext()), parent, false
                )
        );
    }

    // Binds each item in the ArrayList to a view

    // Called when RecyclerView needs a new {@link ViewHolder}
    // of the given type to represent
    // an item.

    // This new ViewHolder should be constructed with a new
    // View that can represent the items
    // of the given type. You can either create a new
    // View manually or inflate it from an XML
    // layout file
    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        Context context = holder.itemView.getContext();
        Employee item = items.get(position);

        holder.tvName.setText(item.getName());
        holder.tvEmail.setText(item.getEmail());

        // Updating the background color according
        // to the odd/even positions in list.
        if (position % 2 == 0) {
            holder.llMain.setBackgroundColor(
                    ContextCompat.getColor(
                            holder.itemView.getContext(),
                            R.color.colorLightGray
                    )
            );
        } else {
            holder.llMain.setBackgroundColor(ContextCompat.getColor(context, R.color.colorWhite));
        }

    }

    // Gets the number of items in the list
    @Override
    public int getItemCount() {
        return items.size();
    }

    // A ViewHolder describes an item view and metadata
    // about its place within the RecyclerView.
    public static class ViewHolder extends RecyclerView.ViewHolder {
        // Holds the TextView that
        // will add each item to
        private final ViewGroup llMain;
        private final TextView tvName;
        private final TextView tvEmail;

        public ViewHolder(ItemsRowBinding binding) {
            super(binding.getRoot());
            llMain = binding.llMain;
            tvName = binding.tvName;
            tvEmail = binding.tvEmail;
        }
    }
}

package com.example.geeksforgeeks;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.recyclerview.widget.LinearLayoutManager;

import android.Manifest;
import android.os.Bundle;
import android.widget.Toast;

import com.example.geeksforgeeks.databinding.ActivityMainBinding;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    
    // View Binding
    private ActivityMainBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        // getting the employeelist
        ArrayList<Employee> employelist = Constants.getEmployeeData();

        // Assign employeelist to ItemAdapter
        ItemAdapter itemAdapter = new ItemAdapter(employelist);

        // Set the LayoutManager that this RecyclerView will use.
        binding.rvItemsList.setLayoutManager(new LinearLayoutManager(this));

        // adapter instance is set to the recyclerview to inflate the items.
        binding.rvItemsList.setAdapter(itemAdapter);
    }
}