(Android High end Programming first briefly introduces the Android software stack, and then Chen says the basic principles of creating a stable, reliable and enjoyable application for mobile phones. Through learning, you can lay a solid theoretical foundation, understand the knowledge required to use the Android 1.0 SDK at that time to write custom mobile programs, and build cutting-edge solutions with future enhancements quickly and flexibly. Android provides an open development environment, bringing exciting new opportunities for writing innovative applications for mobile devices. As an effective guide book for using the Android SDK to build these applications, Android Advanced Programming has a series of sample projects from beginning to end, each of which introduces new functions and technologies of Android to help you achieve the most satisfactory learning effect. The book introduces all the basic functions of Android, and guides you to use high-end functions through concise examples.)