[Added]: RecyclerView Adapter.

app/src/main/java/com/android/newsapp/shared/NewsArticleComparator.kt

@@ -0,0 +1,12 @@
+package com.android.newsapp.shared
+
+import androidx.recyclerview.widget.DiffUtil
+import com.android.newsapp.data.NewsArticle
+
+class NewsArticleComparator : DiffUtil.ItemCallback<NewsArticle>() {
+    override fun areItemsTheSame(oldItem: NewsArticle, newItem: NewsArticle) =
+        oldItem.url == newItem.url
+
+    override fun areContentsTheSame(oldItem: NewsArticle, newItem: NewsArticle) =
+        oldItem == newItem
+}

app/src/main/java/com/android/newsapp/shared/NewsArticleListAdapter.kt

@@ -0,0 +1,23 @@
+package com.android.newsapp.shared
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.ListAdapter
+import com.android.newsapp.data.NewsArticle
+import com.android.newsapp.databinding.ItemNewsArticleBinding
+
+class NewsArticleListAdapter :
+    ListAdapter<NewsArticle, NewsArticleViewHolder>(NewsArticleComparator()) {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): NewsArticleViewHolder {
+        val binding =
+            ItemNewsArticleBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return NewsArticleViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: NewsArticleViewHolder, position: Int) {
+        val currentItem = getItem(position)
+        if (currentItem != null) {
+            holder.bind(currentItem)
+        }
+    }
+}

app/src/main/java/com/android/newsapp/shared/NewsArticleViewHolder.kt

@@ -0,0 +1,32 @@
+package com.android.newsapp.shared
+
+import androidx.recyclerview.widget.RecyclerView
+import com.android.newsapp.R
+import com.android.newsapp.data.NewsArticle
+import com.android.newsapp.databinding.ItemNewsArticleBinding
+import com.bumptech.glide.Glide
+
+class NewsArticleViewHolder(
+    private val binding: ItemNewsArticleBinding
+) : RecyclerView.ViewHolder(binding.root) {
+
+    fun bind(article: NewsArticle) {
+        binding.apply {
+            Glide.with(itemView)
+                .load(article.thumbnailUrl)
+                .error(R.drawable.image_placeholder)
+                .into(imageView)
+
+            textViewTitle.text = article.title ?: ""
+
+            imageViewBookmark.setImageResource(
+                when {
+                    article.isBookmarked -> R.drawable.ic_bookmark_selected
+                    else -> R.drawable.ic_bookmark_unselected
+                }
+            )
+        }
+    }
+
+
+}