使用蓝牙将PC连接到Android手机
我想在我的电脑和Android手机之间建立一个蓝牙连接，并希望从我的电脑发送一个字符串到Android手机。 我正在使用Bluecove 2.1.0。 我能够发现附近的蓝牙设备现在我想配对设备并从PC发送字符串到android手机提前谢谢这是我用于搜索设备的代码
import java.io.OutputStream; import java.util.ArrayList; import javax.bluetooth.DataElement; import javax.bluetooth.DeviceClass; import javax.bluetooth.DiscoveryAgent; import javax.bluetooth.DiscoveryListener; import javax.bluetooth.LocalDevice; import javax.bluetooth.RemoteDevice; import javax.bluetooth.ServiceRecord; import javax.bluetooth.UUID; import javax.microedition.io.Connector; import javax.obex.ClientSession; import javax.obex.HeaderSet; import javax.obex.Operation; import javax.obex.ResponseCodes; public class MyDiscoveryListener implements DiscoveryListener{ private static Object lock=new Object(); public ArrayList devices; public MyDiscoveryListener() { devices = new ArrayList(); } public static void main(String[] args) { MyDiscoveryListener listener = new MyDiscoveryListener(); try{ LocalDevice localDevice = LocalDevice.getLocalDevice(); DiscoveryAgent agent = localDevice.getDiscoveryAgent(); agent.startInquiry(DiscoveryAgent.GIAC, listener); try { synchronized(lock){ lock.wait(); } } catch (InterruptedException e) { e.printStackTrace(); return; } System.out.println("Device Inquiry Completed. "); UUID[] uuidSet = new UUID[1]; uuidSet[0]=new UUID(0x1105); //OBEX Object Push service int[] attrIDs = new int[] { 0x0100 // Service name }; for (RemoteDevice device : listener.devices) { agent.searchServices( attrIDs,uuidSet,device,listener); try { synchronized(lock){ lock.wait(); } } catch (InterruptedException e) { e.printStackTrace(); return; } System.out.println("Service search finished."); } } catch (Exception e) { e.printStackTrace(); } } @Override public void deviceDiscovered(RemoteDevice btDevice, DeviceClass arg1) { String name; try { name = btDevice.getFriendlyName(false); } catch (Exception e) { name = btDevice.getBluetoothAddress(); } devices.add(btDevice); System.out.println("device found: " + name); } @Override public void inquiryCompleted(int arg0) { synchronized(lock){ lock.notify(); } } @Override public void serviceSearchCompleted(int arg0, int arg1) { synchronized (lock) { lock.notify(); } } @Override public void servicesDiscovered(int transID, ServiceRecord[] servRecord) { for (int i = 0; i < servRecord.length; i++) { String url = servRecord[i].getConnectionURL(ServiceRecord.NOAUTHENTICATE_NOENCRYPT, false); if (url == null) { continue; } DataElement serviceName = servRecord[i].getAttributeValue(0x0100); if (serviceName != null) { System.out.println("service " + serviceName.getValue() + " found " + url); if(serviceName.getValue().equals("OBEX Object Push")){ sendMessageToDevice(url); } } else { System.out.println("service found " + url); } } } private static void sendMessageToDevice(String serverURL){ try{ System.out.println("Connecting to " + serverURL); ClientSession clientSession = (ClientSession) Connector.open(serverURL); HeaderSet hsConnectReply = clientSession.connect(null); if (hsConnectReply.getResponseCode() != ResponseCodes.OBEX_HTTP_OK) { System.out.println("Failed to connect"); return; } HeaderSet hsOperation = clientSession.createHeaderSet(); hsOperation.setHeader(HeaderSet.NAME, "Hello.txt"); hsOperation.setHeader(HeaderSet.TYPE, "text"); //Create PUT Operation Operation putOperation = clientSession.put(hsOperation); // Send some text to server byte data[] = "Hello World !!!".getBytes("iso-8859-1"); OutputStream os = (putOperation).openOutputStream(); os.write(data); os.close(); putOperation.close(); clientSession.disconnect(null); clientSession.close(); } catch (Exception e) { e.printStackTrace(); } } } 我终于找到了
这是我的github存储库的链接https://github.com/kgarg1995/bluetoothtesting MyDiscoveryListener.java执行所有操作