Android 平台实现了与fa-network-service 后台程序进行连接和通讯的框架， 并演示了两个基本功能： 1）查询 USB 3G 上网卡的连接状态 2）查询 3G 上网的连接状态(The Android platform implements a framework for connecting and communicating with fa-network-service daemons and demonstrates two basic functions:

jni封装串口通讯例子源码，在jni层封装rs232,在android用java调用实现控制 串口发送和接收数据(JNI package serial communication example source code, in the JNI layer package RS232, in android with Java call to achieve control serial port to send and receive data)