android串口通讯：能自动读取串口数据，并将显示在textView上。-android serial communication: serial data can be automatically read and displayed on the textView on.

《Google Android SDK开发范例大全》全部范例源码，对初中级的来说还是很不错的哦。 -" Google Android SDK development of examples of documents," all source code of the examples, pretty good for learners of middle class

多线程文件下载，可自己定义线程个数，实现多线程下载。android手机软件-Multi-threaded file download