76.9 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. In the dialog, name the class ProductListAdapter and choose Class from the list before pressing the keyboard Return key. 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...