(As a new open source mobile phone platform developed by Google, Android is in full swing. The "Android Development Script" compiled by James Steele and others tells the Android development technology in any detail through a large number of code tips. Starting from the basic knowledge of activity and intent, to threads, services, broadcastreceiver and alert warning boxes, to user interface layout, interface events, multimedia technology, hardware interfaces, network communications, data storage methods, location-based services, Android high-end development technologies and debugging, this book runs through the available models tested by Android devices or simulators, bringing rich functions The Android application with complex framework is clearly and perfectly displayed to developers. This document includes the following annexes:)