42.9 Modifying the onOptionsItemSelected() Method

When items are selected from the menu, the overridden onOptionsItemsSelected() method of the application’s activity will be called. The role of this method will be to identify which item was selected and change the background color of the layout view to the corresponding color. Locate and double-click on the app -> java -> com.ebookfrenzy.menuexample -> MainActivity file and modify the method as follows:

package com.ebookfrenzy.menuexample;

 

import com.google.android.material.floatingactionbutton.FloatingActionButton;

import com.google.android.material.snackbar.Snackbar;

import androidx.appcompat.app.AppCompatActivity;

import androidx.appcompat.widget.Toolbar;

import androidx.constraintlayout.widget.ConstraintLayout;

 

import android.view.View;

import android.view.Menu;

import android.view.MenuItem;

 

public class MainActivity extends AppCompatActivity {

.

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