RecyclerView and View level caching

ViewCacheExtension.kt

//Return cached view holder for particular position
    private val viewCacheExtension = object : ViewCacheExtension() {
        override fun getViewForPositionAndType(
            recycler: Recycler,
            position: Int,
            type: Int
        ): View? {
            val cachedItemId = getItemId(position)
            if (cachedViewHolderTypes.contains(type) && cachedItemId != NO_CACHED_ITEM_ID
                && cachedItems.containsKey(cachedItemId)
            ) {
                Timber.d("Returning view from custom cache for position:$position")
                return cachedItems[cachedItemId]?.itemView
            }
            return null
        }
    }