WrapperAdapter is a wrapper of another adapter(s). This is a core mechanism of Advanced RecyclerView library. Drag & Drop, Swipe, Expand, Headers and Footers, etc... major features of this library are using it. We can implement additional functionalities by using Decorator pattern through the mechanism.
WrapperAdapter is an interface and it is indended to be combined with
RecyclerView.Adapter. The most important role of
WrapperAdapter is converting
position of items by using