java 蓝牙

import javax.bluetooth.*;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;

public class BluetoothExample {
    public static void main(String[] args) throws Exception {
        // 发现附近的蓝牙设备
        DiscoveryAgent agent = LocalDevice.getDiscoveryAgent();
        agent.startInquiry(DiscoveryAgent.GIAC, new DiscoveryListener() {
            @Override
            public void deviceDiscovered(RemoteDevice remoteDevice, DeviceClass deviceClass) {
                try {
                    System.out.println("Found device: " + remoteDevice.getFriendlyName(false));
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

            // 其他回调方法...
        });

        // 连接到特定设备（假设已知设备地址）
        String url = "btspp://" + "XX:XX:XX:XX:XX:XX" + ":1;authenticate=false;encrypt=false;master=false";
        StreamConnection connection = (StreamConnection) Connector.open(url);
        // 进行数据传输...
    }
}