将ViewPagerIndicator库项目添加到Android Studio中的项目中

The ViewPagerIndicator open source project is useful in android apps for indicating which viewpager page the user is currently viewing. I want to add this open source project to the project that I am currently working on. My question is, how do i do this? Should I take out the individual files needed from ViewPagerIndicator and add them to my project? Should I import the entire viewpagerindicator project into my project? What is the normal practice for using open source projects like this? It should be noted that viewpagerindicator is not and cannot be a standalone jar file according to their github page.The ViewPagerIndicator open source project is u