profileActivity.java

package com.example.rental;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.Toast;

import com.google.android.material.bottomnavigation.BottomNavigationView;

public class ProfileActivity extends AppCompatActivity {
    BottomNavigationView bottomNavigationView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_profile2);

        bottomNavigationView = findViewById(R.id.bottomnavigator);
        bottomNavigationView.setSelectedItemId(R.id.profile);

        bottomNavigationView.setOnItemSelectedListener(new BottomNavigationView.OnItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                int itemId = item.getItemId();
                if (itemId == R.id.profile) {
                    return true;
                } else if (itemId == R.id.search) {
                    startActivity(new Intent(getApplicationContext(), HomeActivity.class));
                    overridePendingTransition(0, 0);
                    return true;
                } else if (itemId == R.id.repair) {
                    startActivity(new Intent(getApplicationContext(), RepairActivity.class));
                    overridePendingTransition(0, 0);
                    return true;
                } else {
                    Toast.makeText(ProfileActivity.this, "Invalid navigation item selected!", Toast.LENGTH_SHORT).show();
                }
                return false;
            }
        });
    }
}