(On the basis of the previous version, the Google Android SDK Development Paradigm (Version 3) takes the development of Android mobile phone user programs (Android SDK 2.3.3 is selected) as the theme, surpassing more than 200 models to comprehensively and deeply integrate multiple development fields such as mobile phones, networks and services, providing great help for readers to improve their program design capabilities. The book is divided into 11 chapters. It mainly describes the knowledge points of Android in the way of a model set. It specifically introduces the development of Android's human-computer interaction interface, commonly used development controls, communication services such as sending and receiving messages on Android phones, the development of automatic service functions and entertainment multimedia functions on Android phones, and the integration of Android and Google's powerful network services. The whole book is 109M high-definition PDF, which is uploaded in three volumes. Please decompress the first volume after fully downloading. This document includes the following annexes:)