Android解锁指南：开发者必备

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"Unlocking Android" 是一本由 Frank Ableson、Charlie Collins 和 Robi Sen 合著的开发者指南，它深入探讨了如何解锁 Android 系统。这本书提供了一种对 Android 设备的深入了解，使读者能够掌握如何操作、修改和个性化他们的设备，通常在寻求root权限或者进行系统自定义时会用到这些技术。该书的内容涵盖了从基础知识到高级主题，包括但不限于解锁手机锁定机制、安装定制固件、配置第三方应用程序和安全设置调整等。作者们可能还会介绍如何通过各种解锁方法，如利用特殊的软件工具、硬件操作或解锁代码，让用户的 Android 手机跳出厂商预设的限制，实现更多的功能和自定义体验。 "Unlocking Android" 的英文版可能包括详细的步骤说明、实用案例分析以及安全注意事项，确保读者在进行此类操作时能够谨慎行事，同时了解潜在风险。书中还可能包含针对不同Android版本和设备型号的特定解锁策略，因为每款设备的硬件和软件特性都有所差异。此外，书中可能会引用 Dick Wall 的前言，他可能是 Manning Publications 的编辑或行业专家，为读者提供了关于解锁 Android 的权威见解和背景信息。书中还提到读者可以在 Boykma.Com 下载资源，这可能是一个官方或授权的电子书下载链接，或者包含额外的教程和支持材料。版权方面，这本书在2009年由 Manning Publications Co. 出版，所有权利受到保护。未经出版商书面许可，任何复制、存储、检索或通过电子、机械、复印等方式传播内容的行为都是违法的。此外，书中提及的一些产品名称和商标可能表明它们是制造商或销售商的注册商标，作者在尊重知识产权的同时，帮助读者识别这些品牌。如果你是开发者或对 Android 深度定制感兴趣的用户，"Unlocking Android" 将是一本宝贵的参考书籍，可以帮助你解锁和充分利用你的 Android 设备的潜力。然而，在进行此类操作时，请确保遵循合法途径，并始终注意设备的安全性和兼容性。同时，为了获取最新的优惠信息和订购服务，可以访问 Manning Publications Co. 的官方网站（www.manning.com）或联系他们的特别销售部门。

preface

The first mobile applications I had the opportunity to work with were inventory con-

trol programs used in retail and manufacturing settings. The “terminals,” as we called

them at the time, were heavy and expensive. They had big antennas, lots of clunky

keys, grayscale

LCD displays, and they looked like they came straight from the set of a

science fiction movie.

From that austere beginning, my mobile horizons expanded when the Palm

Pilot™ became the craze in the mid to late 1990s. My first significant Palm

OS™ proj-

ect was to develop an

IrDA™ communications library for an application which printed

Calendars, Contacts, and Task-lists. Back then the “hip” printers had an

IrDA™ port

and it was cool to “beam” your business card to someone. Ironically, I always enjoyed

designing and writing the software more than using the devices themselves.

Fast forward ten years, and I have had the privilege of working on some very chal-

lenging and engaging mobile software projects for numerous clients along the way.

Much of my career to date can be traced back to relationships stemming from my

early mobile development experiences—and what a blessing it has been for me. I just

love the question, “would it be possible to…?” And more often than not, the answer

has been “Yes!” What I particularly enjoy is helping change the way a business operates

or the way problems are solved through the application of mobile software. Mobile

technology can and will continue to change the way we live, work and play…and this

brings me to Android and this book.

In the fall of 2007 I was speaking with my friend Troy Mott, who happens to also be

an editor for Manning, the publisher of this book. Troy and I were discussing the

Licensed to Deborah Christiansen <pedbro@gmail.com>

Download at Boykma.Com

PREFACE

xvi

mobile marketplace, something we have done for years. We started kicking around

the idea of writing a book on Android. The challenge was that Android didn’t really

exist. Yet. We knew from some of the preliminary information that the platform prom-

ised to be open, capable, and popular. We felt that those ingredients could make for

an interesting and valuable topic, so we began thinking about what that book might

look like, taking it on faith that the platform would actually come to fruition.

Before long we convinced ourselves (and Manning) that this was a good idea and

the work began in early 2008. Beyond the usual challenges of putting a book together,

we had the additional obstacle that our subject matter has been in a steady, though

unpredictable, state of change over the past year. In essence we’ve written this book

two times because the

SDK has been changed multiple times and Android-equipped

phones have become available, accelerating the interest and demand for the plat-

form. Every time a significant change occurred, we went back and revisited portions of

the book, sometimes rewriting entire chapters to accommodate the latest develop-

ments in the Android platform.

I say “we” because in the process of writing this book, Troy and I decided to share

the fun and brought in two experienced authors to contribute their expertise and

enthusiasm for this platform. It has been a pleasure getting to know and working with

both Charlie Collins and Robi Sen.

While I focused on the first and third parts of the book, Charlie and Robi wrote

part 2 which covers the important fundamentals of writing Android applications.

Thanks to their contributions I enjoyed the freedom to express my vision of what

Android means to the mobile space in the first part of the book and then to work on a

couple of more advanced applications at the end of the book.

We hope that you enjoy reading this book and that it proves to be a valuable resource

for years to come as together we contribute to the future of the Android platform.

RANK ABLESON

Licensed to Deborah Christiansen <pedbro@gmail.com>

Download at Boykma.Com

ACKNOWLEDGMENTS

xviii

Thanks also to Dick Wall, who played the dual role of reviewing our work and writ-

ing the foreword. And special thanks to the other reviewers who took time out of their

busy schedules to read our manuscript at different times during its development:

Bruno Lowagie, Hannu Terävä, Maxim Yudin, Dierk König, Michael Martin, Charles

Hudson, Gabor Paller, Scott Webster, Aleksey Nudelman, Horaci Macias, Andrew

Oswald, Kevin P. Galligan, Chris Gray, and Tyson S. Maxwell.

Lastly, we want to thank the thoughtful and encouraging

MEAP subscribers who

provided feedback along the way; the book is better thanks to their contributions.

FRANK ABLESON

I would like to thank Charlie Collins, Robi Sen, and Troy Mott for their contributions,

collaboration, and endurance on this project! And to my wife Nikki and children,

Julia, Tristan, Natalie, Aidan and Liam—it’s done! In particular, I want to thank my

son Tristan who was a steady source of encouragement throughout this process,

enthusiastically asking how it was going and spurring me toward the finish. Lastly, I

would like to thank Barry Quiner and Michael Petrin for their consistent encourage-

ment and friendship.

CHARLIE COLLINS

To begin, I would like to thank my coauthors, Frank Ableson and Robi Sen, who

worked diligently on this project from the start, and who welcomed me into the fold.

It’s finally a book, guys; thanks, and congratulations. Additionally, I would like to reit-

erate my gratitude to everyone at Manning.

I would also like to thank the Open Handset Alliance, and the entire Android

team. Having an open, yet concise and focused, mobile platform such as Android is a

huge plus for the technological world, and for users. It’s not perfect, yet, but it’s a

long race and the approach and collaboration can’t be underestimated. Along the

same lines I would like to thank all of the other contributors to the open tools I used

to work on this project, including: Ubuntu Linux, OpenOffice, Eclipse, Subversion,

GIMP, and Java.

I also want to thank my friends and family, who once again put up with my taking

huge amounts of time away from our shared activities to work on a “tech” book. Many

of the people I care about the most will probably read this book up to about, well,

here—if they ever pick it up at all. If you are one of those people, thanks. Specifically,

my wife Erin, and my daughters Skylar and Delaney, were always supportive and even

feigned excitement at the right times to keep me going. My parents Earl and Margaret

Farmer were instrumental as always. My mountain biking/fishing/engine building

buddy Mike Beringson put up with more than his share of “Sorry, I can’t make it” phone

calls. And, my neighbors in the cul-de-sac crew also helped get me through it: the

Cheathams, the Thomspons, the Crowders, and the Haffs—thanks again to everyone.

Licensed to Deborah Christiansen <pedbro@gmail.com>

Download at Boykma.Com

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