Android Notes for Professionals là một cuốn sách miễn phí được biên soạn từ blog lập trình Android tại GoalKicker.com.

Android is a powerful, flexible, open source platform for mobile devices and its popularity is growing at an unprecedented pace. This update to the bestselling first edition dives in to cover the exciting new features of the latest release of the Android mobile platform.

The book gives aspiring mobile app developers what they need to know to program for today's hottest Android smartphones and tablets. Android 4 OS is, for the first time, a single solution for both smartphones and tablets, so if you master the information in this helpful guide, you'll be well on your way to successful development for both devices.

Learn how to develop applications for Android mobile devices using simple examples, ready to run with your copy of the software development kit.

Professional Android, 4th Edition shows developers how to leverage the latest features of Android to create robust and compelling mobile apps. This hands-on approach provides in-depth coverage through a series of projects, each introducing a new Android platform feature and highlighting the techniques and best practices that exploit its utmost functionality.

Introduction to android; getting started; applications and activities and fragments,  Defining the android manifest and gradle build files, and externalizing resources; building user interfaces; intents and broadcast receivers; using internet resource; files, saving state, and user preferences; creating and using databases; content providers and search; working in the background; implementing the android design philosophy; implementing a modern android user experience; advanced customization of your user interface; location, contextual awareness and mapping; Hardware sensors; audio, video, and using the camera.