为了解决无网络环境下的短距离通信问题，设计并实现了一种基于Android蓝牙技术的点对点聊天工具。两台

移动设备通过蓝牙Socket 进行连接，无需外网即可实现聊天功能，是蓝牙技术在移动社交应用领域的一次尝试。

In order to solve the problem of short-distance communication without Internet, this article designs and implements a point-to-point chat tool based on Android Bluetooth technology. Two mobile devices which connect each other via Bluetooth Socket are

able to chat without Internet. It is an attempt of Bluetooth technology in the field of mobile social applications.