(? Author: Jin Yan, Yao Shanglang? Series name: Mobile Development Series? Press: People's Posts and Telecommunications Press? ISBN:9787115209306? Launch time: June 24, 2009? Publication date: July 2009 This book covers most scenarios developed with Android, from basic introduction of Android, environment building, introduction to sdk, use of market, to use analysis, component introduction, example demonstration, etc. In terms of technical implementation, it explains the complete comprehensive examples and source code analysis under five android platforms, namely rss reader, personal gps based on google map, douban (web2.0) client, online music player and mobile information detection helper. This book focuses on the guidance of practical ability. While following the strictness of the technical development knowledge system, it also provides detailed screenshots of the development situation in the simple generation of errors and difficult to understand links, and presents important knowledge points and development skills to readers in a lively way, such as "small experiments", "small tips", "small knowledge", "attention", etc. In terms of the explanation of program examples, the examples are mainly inserted in the essential knowledge chapter of Android development, which provides a good guide for beginners to combine learning with practice This book is equipped with more than 400 minutes of project development video discs to guide readers to quickly and unobstructed learn the practical development technology of Android.)