作 者 簡 介

Wei-Meng Lee是Developer Learning Solutions公司(www.learn2develop.net)的創始人和技術專傢，這傢技術公司專門從事最新移動技術的培訓。Wei-Meng Lee具有多年的培訓經驗，他的培訓課程特彆強調實踐學習法。這種動手學習編程的方法比通過閱讀書籍、教程和文檔來理解主題要容易得多。

Wei-Meng Lee還是Beginning iOS 5 Application Development(Wrox, 2010)和Beginning Android Application Development(Wrox, 2011)的作者。讀者可以通過weimenglee@learn2develop.net與他聯係。

技術編輯簡介

Chaim Krause是US Army’s Command and General Staff College學院的模擬專傢(Simulation Specialist)，他為該學院開發瞭運行在多種平颱(從iOS和Android設備到Windows桌麵操作係統和Linux服務器)的各種各樣的軟件産品，並且還擔負其他一些工作。Python是他最喜歡的語言，但是他本人擅長使用多種語言，比如使用Java和JavaScript/HTML5/CSS等編寫代碼。很幸運，他的軟件開發職業生涯是在Borland開始的，當時他是Delphi語言的高級開發支持工程師。除瞭計算機相關的工作，Chaim喜歡techno音樂和dubstep音樂，以及和自己的兩條雪橇犬Dasher和Minnie玩踏闆車。

Understand Android OS for both smartphone and tablet programming This fast-paced introduction to the newest release of Android OS gives aspiring mobile app developers what they need to know to program for today's hottest Android smartphones and tablets. Android 4 OS is, for the first time, a single solution for both smartphones and tablets, so if you master the information in this helpful guide, you'll be well on your way to successful development for both devices. From using activities and intents and creating rich user interfaces to working with SMS, messaging APIs, and the Android SDK, what you need is here. Provides clear instructions backed by real-world programming examples Begins with the basics and covers everything Android 4 developers need to know for both smartphones and tablets Explains how to customize activities and intents, create rich user interfaces, and manage data Helps you work with SMS and messaging APIs, the Android SDK, and using location-based services Details how to package and publish your applications to the Android Market Beginning Android 4 Application Development pares down the most essential steps you need to know so you can start creating Android applications today.