//本程序连接必须自己先在手机上与对方配对然后再运行这个程序....
public class BluetoothComActivity extends Activity {
??? /** Called when the activity is first created. */
?private BluetoothDevice[] foundDevice = new BluetoothDevice[3];
?private CharSequence[] DeviceName = new CharSequence[3];
?BluetoothAdapter bAdapter ;
?private int DISCOVERY_REQUEST = 1;
?private UUID uuid = UUID.fromString("00001106-0000-1000-8000-00805F9B34FB");//文件交换型UUID，
//需要其他类型的UUID就自己去查表，或者是服务器，客户端都是自己写，那有就你自己定一个公用的UUID?
?private BluetoothSocket bSocket;
?private String bluetoothName ;
?private String bluetoothAddress;
?ArrayAdapter adapter;
?ListView list;
?int DeviceNum;
??? @Override
??? public void onCreate(Bundle savedInstanceState) {
??????? super.onCreate(savedInstanceState);
??????? setContentView(R.layout.main);
??????? bAdapter = BluetoothAdapter.getDefaultAdapter();
??????? //-------------开启蓝牙前准备---------------------
???????? //-------------蓝牙状态广播接收器-------------------------------------
??????? BroadcastReceiver bluetoothState = new BroadcastReceiver(){
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???public void onReceive(Context context, Intent intent) {
????// TODO Auto-generated method stub
????String preStateExtra = BluetoothAdapter.EXTRA_PREVIOUS_STATE;
????String stateExtra = BluetoothAdapter.EXTRA_STATE;
????int state = intent.getIntExtra(stateExtra, -1);
????int previousState = intent.getIntExtra(preStateExtra, -1);??
????switch(state){
????case (BluetoothAdapter.STATE_TURNING_ON):
?????Toast.makeText(BluetoothComActivity.this,"Bluetooth trun on!", Toast.LENGTH_SHORT).show();? break;
????case (BluetoothAdapter.STATE_ON):
?????Toast.makeText(BluetoothComActivity.this,"Bluetooth state on!", Toast.LENGTH_SHORT).show();
??????? bluetoothName = bAdapter.getName();
?????????? bluetoothAddress = bAdapter.getAddress();???
?????????? System.out.println(bluetoothName);
?????????? System.out.println(bluetoothAddress);
?????????? //---------开始扫描---------------------
?????????? bAdapter.startDiscovery();
??????? break;
????case (BluetoothAdapter.STATE_TURNING_OFF):
?????Toast.makeText(BluetoothComActivity.this,"Bluetooth state trun off!", Toast.LENGTH_SHORT).show(); break;
????case (BluetoothAdapter.STATE_OFF):
?????Toast.makeText(BluetoothComActivity.this,"Bluetooth off!", Toast.LENGTH_SHORT).show(); break;
????default: break;
????}
???}
??????? };
??????? //----------开启蓝牙-------------------------------------------------
??????? if(!bAdapter.isEnabled()){
??????? ?String actionStateChange = BluetoothAdapter.ACTION_STATE_CHANGED;
??????? ?String actionStateEnable = BluetoothAdapter.ACTION_REQUEST_ENABLE;
??????? ?registerReceiver(bluetoothState, new IntentFilter(actionStateChange));
??????? ?startActivityForResult(new Intent(actionStateEnable), 0);
??????? }?
??????? //while(!bAdapter.isEnabled());
??????? //---------扫描蓝牙设备前准备(作为主机)------------------------------------------------
??????? //String discoverable = BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE;
??????? //startActivityForResult(new Intent(discoverable), DISCOVERY_REQUEST);??
??????? //---------扫描过程广播监听--------------------------------------------------
??????? BroadcastReceiver discoveryReceiver = new BroadcastReceiver(){
??????? ?String aStarted = BluetoothAdapter.ACTION_DISCOVERY_STARTED;
???String aFinished= BluetoothAdapter.ACTION_DISCOVERY_FINISHED;
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???public void onReceive(Context context, Intent intent) {
????// TODO Auto-generated method stub
????if(aStarted.equals(intent.getAction())){
?????Toast.makeText(BluetoothComActivity.this,"Discovery Start......", Toast.LENGTH_SHORT).show();
?????System.out.println("开始扫描！");
????}
????if(aFinished.equals(intent.getAction())){
?????Toast.makeText(BluetoothComActivity.this,"Discovery Finish......", Toast.LENGTH_SHORT).show();
?????System.out.println("结束扫描！");
????}
???}
??????? };
??????? registerReceiver(discoveryReceiver, new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_STARTED));
??????? registerReceiver(discoveryReceiver, new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED));
??????? //----------扫描结果广播监听------------------------------------------
??????? BroadcastReceiver discoveryResult = new BroadcastReceiver(){
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???public void onReceive(Context context, Intent intent) {
????// TODO Auto-generated method stub
????System.out.println("配对成功！");
????String remoteDeviceName = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
????System.out.println(remoteDeviceName);
????BluetoothDevice remoteDevice ;
????remoteDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
????System.out.println(remoteDevice);
????foundDevice[DeviceNum] = remoteDevice;
????DeviceName[DeviceNum] = remoteDeviceName;
????DeviceNum++;
????if(DeviceNum == 3) DeviceNum--;??
????//Toast.makeText(getApplicationContext(), "Discovered: "+remoteDeviceName, Toast.LENGTH_SHORT);
????if(bAdapter.getBondedDevices().contains(remoteDevice)){
?????System.out.println("bond:"+remoteDeviceName);?
????}??
????adapter.notifyDataSetChanged();
???}
??????? };
???????
??????? registerReceiver(discoveryResult, new IntentFilter(BluetoothDevice.ACTION_FOUND));
??????? if(!bAdapter.isDiscovering()){
??????? ?bAdapter.startDiscovery();
??????? }
??????? for(int i = 0 ; i < DeviceName.length;i++){
??????? ?DeviceName[i] = (String)(" ");
??????? }
??????? list = (ListView)this.findViewById(R.id.listview);
??????? adapter = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_list_item_1, DeviceName);
??????? list.setAdapter(adapter);
??????? list.setOnItemClickListener(new OnItemClickListener(){
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???public void onItemClick(AdapterView<?> arg0, View arg1, int position,
?????long arg3) {
????// TODO Auto-generated method stub
????ConnectBluetoothService(position);
???}??
??????? });
??????
??? }
???
??? //---------根据扫描结果进行绑定连接(作为从机)-------------------------------------
??? public void ConnectBluetoothService(int i){
??? ?try {
??? ??System.out.println("I am here!");
??? ??System.out.println(foundDevice[i].getName());
??? ??System.out.println(uuid);
???BluetoothSocket bs = foundDevice[i].createRfcommSocketToServiceRecord(uuid);
???if(bAdapter.isDiscovering()){
???????? ?bAdapter.cancelDiscovery();
???????? }
???bs.connect();?
???if(bs!=null)
???System.out.println("Connect!");? //输出这个表示连接成功
??} catch (IOException e) {
???// TODO Auto-generated catch block
???System.out.println("蓝牙连接错误");
??}
??? }
??? //--------------------------------------------------------------------
???
?? /* //--------------------监听绑定连接(作为主机)-----------------------------------------------
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?protected void onActivityResult(int requestCode, int resultCode, Intent data) {
??// TODO Auto-generated method stub
??if(requestCode == DISCOVERY_REQUEST){
???boolean isDiscoverable = requestCode > 0;
???if(isDiscoverable){
????String name = "bluetoothService";
????try {
?????final BluetoothServerSocket bServerSocket = bAdapter.listenUsingRfcommWithServiceRecord(name, uuid);
?????AsyncTask<Integer,Void,BluetoothSocket> accpetThread = new AsyncTask<Integer, Void, BluetoothSocket>(){
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??????protected BluetoothSocket doInBackground(
????????Integer... params) {
???????// TODO Auto-generated method stub
???????try {
????????bSocket = bServerSocket.accept();
????????return bSocket;
???????} catch (IOException e) {
????????// TODO Auto-generated catch block
????????System.out.println("蓝牙连接");
???????}
???????return null;
??????}????
?????};
?????accpetThread.execute(resultCode);
?????new Thread(new Runnable(){
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??????public void run() {
???????// TODO Auto-generated method stub
???????try {
????????bSocket = bServerSocket.accept();
???????} catch (IOException e) {
????????// TODO Auto-generated catch block
????????System.out.println("蓝牙连接错误");
???????}
??????}
?????}).start() ;
????} catch (IOException e) {
?????// TODO Auto-generated catch block
?????System.out.println("蓝牙主机搭建错误");
????}
???}
??}
?}*/
}