73.9 Adding the RecyclerView Adapter

As outlined in detail in the chapter entitled “Working with the RecyclerView and CardView Widgets”, a RecyclerView instance requires an adapter class to provide the data to be displayed. Add this class now by right clicking on the app -> java -> com.ebookfrenzy.roomdemo -> ui.main entry in the Project tool window and selecting the New -> Kotlin File/Class... menu option and change the Kind menu to Class. In the Create New Class Dialog, name the class ProductListAdapter. With the resulting ProductListAdapter.kt class loaded into the editor, implement the class as follows:

package com.ebookfrenzy.roomdemo.ui.main

 

import android.view.LayoutInflater

import android.view.View

import android.view.ViewGroup

import android.widget.TextView

import androidx.recyclerview.widget.RecyclerView

import com.ebookfrenzy.roomdemo.Product

import com.ebookfrenzy.roomdemo.R

 

class ProductListAdapter...