Feature.kt

data class Feature(
    @DrawableRes val iconResource: Int,
    val contentDescription: String,
)

FeaturesAdapter.kt

class FeaturesAdapter : ListAdapter<Feature, RecyclerView.ViewHolder>(FeatureDiffCallback()) {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        val view = LayoutInflater
            .from(parent.context)
            .inflate(R.layout.item_feature_tile, parent, false)
        return FeatureItemViewHolder(view)
    }

    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        val itemViewHolder = holder as FeatureItemViewHolder
        itemViewHolder.bind(getItem(position))
    }

    inner class FeatureItemViewHolder(view: View) : RecyclerView.ViewHolder(view) {

        fun bind(feature: Feature) {
            with(itemView) {
                imageFeature.setImageResource(feature.iconResource)
                imageFeature.contentDescription = feature.contentDescription
            }
        }
    }
}

class FeatureDiffCallback : DiffUtil.ItemCallback<Feature>() {

    override fun areItemsTheSame(oldItem: Feature, newItem: Feature): Boolean =
        oldItem.iconResource == newItem.iconResource

    override fun areContentsTheSame(oldItem: Feature, newItem: Feature): Boolean =
        oldItem == newItem
}