Android使用蓝牙与PC端进行通信

来源：互联网发布：天音淘宝复制大师3.03 编辑：程序博客网时间：2024/04/27 06:57

目前Android只支持BluetoothSocket连接，而要对PC进行通信，直接使用BluetoothSocket是无法通信的，因为PC端使用java开发没有BluetoohSocket，所以PC端开发的时候必须采用J2ME的jar包进行开发

PC端作为服务端，Android作为客户端，目前只能做到这一种方法连接，并且要有相同的UUID进行连接

PC客户端完整代码

import java.io.BufferedReader;  import java.io.IOException;  import java.io.InputStream;  import java.io.InputStreamReader;  import java.util.HashMap;  import java.util.Map;  import java.util.Vector;    import javax.bluetooth.BluetoothStateException;  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.microedition.io.StreamConnection;  import javax.microedition.io.StreamConnectionNotifier;    import com.intel.bluetooth.BluetoothServerConnection;        /**  * 实现蓝牙客户端，搜索蓝牙设备  *   * @author Administrator  *   */  public class BluetoothClientService implements DiscoveryListener, Runnable {      private final static UUID TARGET_UUID = new UUID(              "0000110100001000800000805F9B34FB", false);      private StreamConnectionNotifier myPCConnNotifier = null;      private Map<RemoteDevice, String> devicesMap = new HashMap<RemoteDevice, String>();      private Vector<ServiceRecord> records = new Vector<ServiceRecord>();      private DiscoveryAgent discoveryAgent = null;// 发现蓝牙设备      private UUID[] uuidSet ;            // 流连接      private StreamConnection streamConn = null;      // 接受数据字节流      private byte[] acceptedByteArray = new byte[12];      // 读取（输入）流      private InputStream inputStream = null;            private int activeIndex=-1; //存活的服务索引        private int transIDs[]; // 服务搜索的事务id集合        /**      * 发现设备,搜索设备时候每发现一个设备时回调,（包含上次蓝牙模块自动记录的设备以及新发现的设备）      */      @Override      public void deviceDiscovered(RemoteDevice btDevice, DeviceClass code) {          String deviceName = null;          try {              deviceName = btDevice.getFriendlyName(false);                        } catch (IOException e) {              e.printStackTrace();          }          if (devicesMap.get(btDevice) == null) {              devicesMap.put(btDevice, deviceName);          }      }        /**      * 搜索完毕,搜索设备结束时回调      */      @Override      public void inquiryCompleted(int arg0) {          synchronized (this) {              notify();          }      }        /**      * 搜索完毕,服务搜索完毕的时候回调      */      @Override      public void serviceSearchCompleted(int transID, int respCode) {                    for (int i = 0; i < transIDs.length; i++) {                        if (transIDs[i] == transID) {                  transIDs[i] = -1;              }          }            // 如果对所有的设备的服务都搜索完毕          boolean finished = false;          for (int i = 0; i < transIDs.length; i++) {              if (transIDs[i] == -1) {                  finished = true;                  break;              }          }            if (finished) {              synchronized (this) {                  notify();              }          }        }        /**      * 服务发现,搜索服务时候回调      */      @Override      public void servicesDiscovered(int transID, ServiceRecord[] servRecord) {          System.out.println("servRecord==="+servRecord);          for (int i = 0; i < servRecord.length; i++) {              records.addElement(servRecord[i]);          }          System.out.println("records="+records.size());        }        /**      * 启动线程，初始化设备      */      @Override      public synchronized void run() {            if (initLocalDevice()) {              try {                    uuidSet=new UUID[2];                      uuidSet[0]=new UUID(0x1101);    //0x1101表示 采用btspp协议                      uuidSet[1]=new UUID(0x1103);         //目标服务标示                      System.out.println(uuidSet[0]);                  discoveryAgent.startInquiry(DiscoveryAgent.GIAC, this);// 启动发现附近设备                                    wait();                  //生成服务和属性的全球唯一标示符                                                      transIDs = new int[devicesMap.size()];                                    int i = 0;                  for (Map.Entry<RemoteDevice, String> entry : devicesMap                          .entrySet()) {                      System.out.println("设备名称：" + entry.getValue());                      System.out.println("设备mac：" + entry.getKey());                      RemoteDevice rd = (RemoteDevice) entry.getKey();                      transIDs[i] = discoveryAgent.searchServices(null, uuidSet,                              rd, this);                                    i++;                        //                  LocalDevice.getLocalDevice().getDiscoveryAgent().searchServices(transIDs, uuidSet, rd, this);                  }                  wait();                  activeIndex=getActiveService();              } catch (BluetoothStateException e) {                  e.printStackTrace();              } catch (InterruptedException e) {                  e.printStackTrace();              }          }      }        /**      * 查询本地蓝牙设备      *       * @return 是否有蓝牙设备      */      public boolean initLocalDevice() {          boolean isReady = false;          try {              LocalDevice localDevice = LocalDevice.getLocalDevice();// 搜索本地设备              discoveryAgent = localDevice.getDiscoveryAgent();// 获取本地蓝牙设备              localDevice.setDiscoverable(DiscoveryAgent.GIAC);// 设置自身为不可发现状态，也就是搜索不到自己(状态待确定)              isReady = true;          } catch (BluetoothStateException e) {              System.out.println("没有探测到蓝牙设备");              e.printStackTrace();// 没有探测到本地蓝牙设备          }          return isReady;      }        /**      *       * @return      */      private int getActiveService() {          accessService("message.............");        //      for(int i=0;i<records.size();i++){  //          ServiceRecord sr = (ServiceRecord) records.elementAt(i);  //          if(accessService(sr,"connect...")){  //              System.out.println("connet\\\\\\\\\\\\\\");  //              return i;                  //          }  //      }          return -1;      }        //ServiceRecord sr,      private boolean accessService(String msg){          boolean result=false;          String inSTR = null;                        try {  //          System.out.println("连接蓝牙.....");              // 流连接通知 用于创建流连接              myPCConnNotifier = (StreamConnectionNotifier) Connector              .open("btspp://localhost:0000110100001000800000805F9B34FB");  //          System.out.println( "service="+ServiceRecord.NOAUTHENTICATE_NOENCRYPT);  //            String url = sr.getConnectionURL(  //                    ServiceRecord.NOAUTHENTICATE_NOENCRYPT, false);  //            StreamConnection conn = (StreamConnection) Connector.open(url);  //            DataOutputStream dos=conn.openDataOutputStream();  //            dos.writeUTF(msg);  //            dos.close();  //            DataInputStream dis=conn.openDataInputStream();  //            String echo=dis.readUTF();  //            System.out.println(echo);  //            dis.close();       //          StreamConnection con=(StreamConnection) Connector.open("btspp://localhost:0000110100001000800000805F9B34FB");  //          RemoteDevice.getRemoteDevice(con);  //          while (true) {  //                                System.out.println("等待读取消息.....");                  // 获取流连接                  streamConn = myPCConnNotifier.acceptAndOpen();                  // 获取流通道                  inputStream = streamConn.openInputStream();                  // 读取字节流                  BufferedReader br = null;                                br = new BufferedReader(new InputStreamReader(inputStream));                                System.out.println("得到的消息"+br.readLine());  //              while (inputStream.read(acceptedByteArray) != -1) {  //                  inSTR = new String(acceptedByteArray);  //                  System.out.println(inSTR);  //                  if (inSTR.contains("EXIT")) {  //                      // 手机客户端退出则关闭连接通道。  //                      inputStream.close();  //                      if (streamConn != null) {  //                          streamConn.close();  //                      }   //                      break;  //                  }    //              }  //             //        }  //                    } catch (IOException e) {              System.out.println("exception here");          }          return result;      }      public static void main(String arg[]) {          BluetoothClientService b = new BluetoothClientService();          new Thread(b).start();        }    }

Android客户端完整代码

import java.io.BufferedReader;  import java.io.IOException;  import java.io.InputStream;  import java.io.InputStreamReader;  import java.io.OutputStreamWriter;  import java.io.PrintWriter;  import java.util.UUID;    import android.app.Activity;  import android.bluetooth.BluetoothAdapter;  import android.bluetooth.BluetoothServerSocket;  import android.bluetooth.BluetoothSocket;  import android.content.Intent;  import android.os.Bundle;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.Button;    public class BluetoothActivity extends Activity implements OnClickListener {      public static final String PROTOCOL_SCHEME_RFCOMM = "btspp";        private Button button = null;      private BluetoothAdapter bluetoothAdapter = null;      private BluetoothServerSocket mserverSocket = null;      private BluetoothSocket socket =null;      private InputStream inputStream = null;      @Override      public void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);          button = (Button) findViewById(R.id.button);          button.setOnClickListener(this);      }        @Override      public void onClick(View v) {          int id = v.getId();          if (button.getId() == id) {              bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();// 获取蓝牙适配器              if (bluetoothAdapter != null) {                  System.out.println("手机包含蓝牙。。。。。。。。。。。。。");                  if (!bluetoothAdapter.isEnabled()) {                      Intent intent = new Intent(                              BluetoothAdapter.ACTION_REQUEST_ENABLE);                      startActivity(intent);                  }                  bluetoothAdapter.enable();                   Intent discoverableIntent = new Intent(                              BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);                   discoverableIntent.putExtra(                              BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 150);                          try {                              UUID uuid=UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");                                                        mserverSocket = bluetoothAdapter                                      .listenUsingInsecureRfcommWithServiceRecord(                                              PROTOCOL_SCHEME_RFCOMM,uuid);                            //                          Set<BluetoothDevice> devices=bluetoothAdapter.getBondedDevices();  //                          BluetoothDevice device=null;  //                          System.out.println(".......................");  //                          for(Iterator<BluetoothDevice> iterator=devices.iterator();iterator.hasNext();){  //                              device=iterator.next();  //                              System.out.println(device.getName());  //                              if("LIUYC-PC".equals(device.getName())){  //                                    //                                  socket= device.createRfcommSocketToServiceRecord(uuid);  //                                  socket.connect();  //                                    //                              }  //                          }                              socket=mserverSocket.accept();                              BufferedReader br = null;                              PrintWriter pw=null;                              br = new BufferedReader(new InputStreamReader(                                      socket.getInputStream()));                              pw=new PrintWriter(new OutputStreamWriter(socket.getOutputStream()),false);                              pw.write("android开始返回消息啦");                              pw.flush();                              pw.close();                                                System.out.println("收到的消息"+br.readLine());                              socket.close();                                                        } catch (IOException e) {                              System.out.println("错误");                              e.printStackTrace();                          }                                              // Set<BluetoothDevice>                  // devices=bluetoothAdapter.getBondedDevices();                  // if(devices.size()>0){                  // for(Iterator<BluetoothDevice>                  // iterator=devices.iterator();iterator.hasNext();){                  // BluetoothDevice device=iterator.next();                  // System.out.println("蓝牙名称"+device.getName());                  // System.out.println("蓝牙地址"+device.getAddress());                  // }                  // }else{                  // System.out.println("没有发现蓝牙设备");                  // }              } else {                  System.out.println("不存在蓝牙");              }            }        }    }

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