PodcastAdapter.kt

package com.danielmalone.podcast

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.ListAdapter
import androidx.recyclerview.widget.RecyclerView

class PodcastsAdapter :
    ListAdapter<Podcast, PodcastsAdapter.PodcastViewHolder>(PodcastDiffCallback()) {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PodcastViewHolder {
        val inflater = LayoutInflater.from(parent.context)
        return PodcastViewHolder(inflater.inflate(R.layout.podcast_item, parent, false))
    }

    override fun onBindViewHolder(holder: PodcastViewHolder, position: Int) {
        holder.bind(getItem(position))
    }

    class PodcastViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

        fun bind(item: Podcast) {

        }
    }
}

class PodcastDiffCallback : DiffUtil.ItemCallback<Podcast>() {
    override fun areItemsTheSame(oldItem: Podcast, newItem: Podcast): Boolean {
        return true
    }

    override fun areContentsTheSame(oldItem: Podcast, newItem: Podcast): Boolean {
        return true
    }
}