android的同事需要在设备上操作串口，我用C语言写了个串口工具。 JNI NDK-Android s colleagues need on the equipment serial port operation, and I use C language to write a serial port tool.JNI the NDK

安卓手机的蓝牙通讯代码,可以实现简单的蓝牙搜索功能，及配对功能，实现蓝牙通讯-Android phone s Bluetooth communications code, can achieve a simple Bluetooth search function, and the pairing function, to achieve Bluetooth communication

Android串口开发与调试，支持文本和hex显示。-It s best for Android uart developing.