The Busy Coder's Guide to Android Development Android开发经典图书, 最新版8.2 apk 文件 更新说明： Added a chapter on the basics of using RxJava • Added a chapter on viewing PDFs, including embedding PDF viewers in your app • Added a chapter on advanced RecyclerView techniques, starting with using RecyclerView to replace a ViewPager for page-at-a-time user interfaces • Removed the appendix focusing on Android 7.0’s changes, with that material being moved into appropriate chapters of the book • Various miscellaneous improvements and errata fixes