Android使用蓝牙与PC端进行通信 分类： Android 2015-07-30 09:45 15人阅读 评论(0) 收藏
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");
}
}
}
}
