(This file exceeds the upload limit. Please download the txt text, which is the download address of Baidu online disk. It can be downloaded without deduction. Xue Xianliang's Parsing the Google Android SDK - Smart Phone Development Model Manual is based on the Android SDK version 2.3, which is divided into 15 chapters. It explains the basic principles, key technologies, typical uses and other aspects of Android SDK based development in a simple and understandable way. Most of the theoretical knowledge comes from the Android 2.3 development documents, and strives to maintain the original ecology.)