Bonus Button : Settings Exit added

app/src/main/java/com/example/elbuenopeso/MainActivity.kt

 package com.example.elbuenopeso
 
-import AdAdapter
 import android.os.Bundle
-import com.google.android.material.bottomnavigation.BottomNavigationView
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
 import com.example.elbuenopeso.databinding.ActivityMainBinding
-import com.example.elbuenopeso.models.AdModel
+import com.google.android.material.bottomnavigation.BottomNavigationView
 
 class MainActivity : AppCompatActivity() {
 
@@ -24,6 +25,7 @@ class MainActivity : AppCompatActivity() {
         val navView: BottomNavigationView = binding.navView
 
         val navController = findNavController(R.id.nav_host_fragment_activity_main)
+
         // Passing each menu ID as a set of Ids because each
         // menu should be considered as top level destinations.
         val appBarConfiguration = AppBarConfiguration(
@@ -34,6 +36,28 @@ class MainActivity : AppCompatActivity() {
 
         setupActionBarWithNavController(navController, appBarConfiguration)
         navView.setupWithNavController(navController)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.menu, menu)
+        return true
+    }
 
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.about -> {
+                Toast.makeText(this, "About Selected", Toast.LENGTH_SHORT).show()
+                return true
+            }
+            R.id.settings -> {
+                Toast.makeText(this, "Settings Selected", Toast.LENGTH_SHORT).show()
+                return true
+            }
+            R.id.exit -> {
+                Toast.makeText(this, "Exit Selected", Toast.LENGTH_SHORT).show()
+                return true
+            }
+            else -> return super.onOptionsItemSelected(item)
+        }
     }
 }

app/src/main/res/menu/menu.xml

+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/overflowMenu"
+        android:icon="@drawable/ic_home_black_24dp"
+        android:title=""
+        app:showAsAction="always">
+        <menu>
+            <item
+                android:id="@+id/settings"
+                android:icon="@drawable/ic_home_black_24dp"
+                android:title="SETTINGS"
+                app:showAsAction="never" />
+            <item
+                android:id="@+id/about"
+                android:icon="@drawable/ic_home_black_24dp"
+                android:title="ABOUT"
+                app:showAsAction="never" />
+            <item
+                android:id="@+id/exit"
+                android:icon="@drawable/ic_home_black_24dp"
+                android:title="EXIT"
+                app:showAsAction="never" />
+        </menu>
+    </item>
+</menu>