45.8 Performing the Initialization Tasks

The remaining tasks involve initializing the TabLayout, ViewPager and TabPagerAdapter instances and declaring the main activity class as implementing fragment interaction listeners for each of the four tab fragments. Edit the MainActivity.java file so that it reads as follows:

package com.ebookfrenzy.tablayoutdemo;

 

import android.os.Bundle;

 

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 android.view.View;

import android.view.Menu;

import android.view.MenuItem;

 

import com.google.android.material.tabs.TabLayout;

import androidx.viewpager.widget.ViewPager;

import androidx.viewpager.widget.PagerAdapter;

.

.

public class MainActivity extends AppCompatActivity implements

...