此library 库可以方便的帮你使用经典蓝牙做socket 通讯。 网上的一些蓝牙游戏互联都是用的经典蓝牙做socket ，
###service端 启动，等待被连接
BluetoothSocketHelper mHelper = new BluetoothSocketHelper();
mHelper.strat();
BluetoothSocketHelper mHelper = new BluetoothSocketHelper();
mHelper.connect(mBluetoothDevice);
mHelper.write("要写入的消息");###停止
mHelper.stop();###需要注意 Client 连接前需要确保改设备应配对完成
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