During its development, we have created a custom LayoutManager for the inner RecyclerView in order to display the elements in a circle with the possibility to scroll them.
I don't have time to maintain this anymore. I basically wrote the whole library in a rush, without tests, while being a serious expert beginner at the time.
ExpandableSelector is an Android library created to show a list of Button/ImageButton widgets inside a animated container which can be collapsed or expanded.
Make developers life easier with some tools, you can add it to your debug builds and have some debug libraries like Leakcanary and others without extra work.