Google的Android手机的sdk部分源代码，最重要的Framework部分，包含java和底层c程序源码。

Google Android应用框架原理与程序设计 第三版(中文高清PDF)高焕堂-Google Android application framework design principles and procedures for the third edition (in Chinese high-definition PDF) GAO Huan-tang

一个J2ME 小程序，课表管理应用。 虽然J2ME已经不再流行，但是 他和 android 开发还是有许多共通的特性。-A J2ME applet the curriculum management applications. Although J2ME is no longer popular, but he and android development there are still a number of common features.

将此应用安装在手机上后，点击运行后会实现两个蓝牙直接的配对-This application installed on your phone, click Run to achieve two Bluetooth immediate pairing