说明：  Android 开发指南中文版 本文是对Android SDK1.5版的英文开发资料Android Development Guide一文应用程序框架部分的翻译，覆盖了Android应用开发所有主要的概念。部分内容整理自网络。本文仅用于技术学习，请勿用于商业用途。
(version of this article is the English version of the Android SDK1.5 information on Android Development Guide developed an application framework part of the text of the translation, covering all the major Android application development concepts. Part of the content of the discussion from the network. This article is only for technological learning, do not for commercial purposes.)