Side menu with some categories to choose. Depends on Ozodrukh's animation util for CircularReveal animation for 2.3+ version. First of all, you have to upload the animation submodule with git submodule update --init command. Or you can add gradle dependency with command. To add gradle dependency you need to open build.gradle (in your app folder, not in a project folder) then copy and add the dependencies there in the dependencies block.