Menu in code

package com.example.app0811.mymenuincode;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity
{
    private int groupId=1;
    int homeId = Menu.FIRST;
    int profileId = Menu.FIRST+1;
    int searchId = Menu.FIRST+2;
    int dealId = Menu.FIRST+3;
    int helpId = Menu.FIRST+4;
    int contactus = Menu.FIRST+5;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        menu.add(groupId,homeId,homeId,"Home");
        menu.add(groupId,profileId,profileId,"Profile");
        menu.add(groupId,searchId,searchId,"Search");
        menu.add(groupId,dealId,dealId,"Deal");
        menu.add(groupId,helpId,helpId,"Help");
        menu.add(groupId,contactus,contactus,"Contact Us");

        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        switch (item.getItemId())
        {
            case 1:
                Toast.makeText(MainActivity.this, "HOME:"+homeId, Toast.LENGTH_SHORT).show();
                break;
            case 2:
                Toast.makeText(this, "Profile", Toast.LENGTH_SHORT).show();
                break;
            case 3:
                Toast.makeText(this, "Search", Toast.LENGTH_SHORT).show();
                break;
            case 4:
                Toast.makeText(this, "Deal", Toast.LENGTH_SHORT).show();
                break;
            case 5:
                Toast.makeText(this, "Help", Toast.LENGTH_SHORT).show();
                break;
            case 6:
                Toast.makeText(this, "Contact Us", Toast.LENGTH_SHORT).show();
                break;

        }
        return super.onOptionsItemSelected(item);
    }
}