53.8 Performing the Initialization Tasks

The remaining tasks involve initializing the TabLayout, ViewPager2 and TabPagerAdapter instances and declaring the main activity class as implementing fragment interaction listeners for each of the four tab fragments. Edit the MainActivity.kt file so that it reads as follows:

package com.ebookfrenzy.tablayoutdemo

.

.

import android.net.Uri

import com.google.android.material.tabs.TabLayoutMediator

 

class MainActivity : AppCompatActivity(),

           Tab1Fragment.OnFragmentInteractionListener,

           Tab2Fragment.OnFragmentInteractionListener,

           Tab3Fragment.OnFragmentInteractionListener,

           Tab4Fragment.OnFragmentInteractionListener {

 

   ...