<manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="com.example.thecaseforbluetooth"
 android:versionCode="1"
 android:versionName="1.0" >
 
 <uses-sdk
  android:minSdkVersion="8"
  android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.BLUETOOTH" />
 <application
  android:icon="@drawable/ic_launcher"
  android:label="@string/app_name"
  android:theme="@style/AppTheme" >
  <activity
   android:name=".BluetoothActivity"
   android:label="@string/title_activity_bluetooth" >
   <intent-filter>
    <action android:name="android.intent.action.MAIN" />
 
    <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>
  </activity>
 </application>
 
</manifest>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:id="@+id/LinearLayout1"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical" >
 <Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnSearch"
 android:text="查找设备"
/>
<Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnExit"
 android:text="退出应用"
/>
<Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnDis"
 android:text="设置可被发现"
/>
<Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnserver"
 android:text="启动服务端"
/>
<ToggleButton
android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/tbtnSwitch"
 android:text="开/关 蓝牙设备"
/>
<ListView
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:id="@+id/lvDevices"
 
/>
</LinearLayout>

package com.example.thecaseforbluetooth;
 
import java.util.ArrayList;
import java.util.Set;
 
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.ToggleButton;
 
public class BluetoothActivity extends Activity {
 public Button searchBtn;//搜索蓝牙设备
 public Button exitBtn;//退出应用
 public Button discoverBtn;//设置可被发现
 public ToggleButton openBtn;//开关蓝牙设备
 public Button serverbtn;
 public ListView listView;//蓝牙设备清单
 public ArrayAdapter<String> adapter;
 public ArrayList<String> list =new ArrayList<String>();
 private BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 Set<BluetoothDevice> bondDevices ;
 public Context context ;
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  searchBtn = (Button)findViewById(R.id.btnSearch);
  exitBtn = (Button)findViewById(R.id.btnExit);
  discoverBtn = (Button)findViewById(R.id.btnDis);
  openBtn = (ToggleButton)findViewById(R.id.tbtnSwitch);
  serverbtn = (Button)findViewById(R.id.btnserver);
  listView = (ListView)findViewById(R.id.lvDevices);
  context = getApplicationContext();
  adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,list);
  listView.setAdapter(adapter);
  openBtn.setChecked(false);
  //注册广播接收信号
  IntentFilter intent = new IntentFilter(); 
  intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver来取得搜索结果 
  intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED); //每当扫描模式变化的时候，应用程序可以为通过ACTION_SCAN_MODE_CHANGED值来监听全局的消息通知。比如，当设备停止被搜寻以后，该消息可以被系统通知給应用程序。
  intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); //每当蓝牙模块被打开或者关闭，应用程序可以为通过ACTION_STATE_CHANGED值来监听全局的消息通知。
  registerReceiver(searchReceiver, intent); 
  //显示已配对设备以及搜索未配对设备
  searchBtn.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    if(bluetoothAdapter.isDiscovering()){
     bluetoothAdapter.cancelDiscovery();
    }
    list.clear();
    bondDevices = bluetoothAdapter.getBondedDevices();
     
    for(BluetoothDevice device : bondDevices) {
     String str = " 已配对完成 " + device.getName() +" "
     + device.getAddress(); 
     list.add(str);
     adapter.notifyDataSetChanged();
    }
    bluetoothAdapter.startDiscovery();
   }
  });
  //退出应用
  exitBtn.setOnClickListener(new OnClickListener() {
    
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    BluetoothActivity.this.finish();
   }
  });
  //设置蓝牙设备可发现
  discoverBtn.setOnClickListener(new OnClickListener() {
    
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    Intent discoverIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
    discoverIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
    startActivity(discoverIntent);
   }
  });
  //开关蓝牙设备
  openBtn.setOnClickListener(new OnClickListener() {
    
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    if(openBtn.isChecked() == true){
     bluetoothAdapter.disable();
    }
    else if(openBtn.isChecked() == false){
     bluetoothAdapter.enable();
    }
   }
  });
  //作为服务端开启
  serverbtn.setOnClickListener(new OnClickListener() {
    
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    ServerThread serverThread = new ServerThread(bluetoothAdapter, context);
    Toast.makeText(context, "server 端启动", 5000).show();
    serverThread.start();
   }
  });
  listView.setOnItemClickListener(new ItemClickListener());
 }
 @Override
 public void onStart() {
  super.onStart();
  // If BT is not on, request that it be enabled.
  if(bluetoothAdapter == null){
   Toast.makeText(context, "蓝牙设备不可用", 5000).show();
  }
   if (!bluetoothAdapter.isEnabled()) {
   Intent enableIntent = new Intent(
     BluetoothAdapter.ACTION_REQUEST_ENABLE);
   startActivityForResult(enableIntent, 3);
  }
   
 }
 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
 }
  
 private final BroadcastReceiver searchReceiver = new BroadcastReceiver() {
   
  @Override
  public void onReceive(Context context, Intent intent) {
   // TODO Auto-generated method stub
    String action = intent.getAction(); 
    BluetoothDevice device = null;
    if(BluetoothDevice.ACTION_FOUND.equals(action)){
     device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 
     if (device.getBondState() == BluetoothDevice.BOND_NONE) { 
     Toast.makeText(context, device.getName()+"", 5000).show();
     String str = " 未配对完成 " + device.getName() +" "
     + device.getAddress(); 
     if (list.indexOf(str) == -1)// 防止重复添加 
      list.add(str); 
     }
     adapter.notifyDataSetChanged();
    }
    
  }
 };
  public class ItemClickListener implements OnItemClickListener {
 
  @Override
  public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
    long arg3) {
   // TODO Auto-generated method stub
    if(bluetoothAdapter.isDiscovering())
     bluetoothAdapter.cancelDiscovery(); 
    String str = list.get(arg2); 
    String address = str.substring(str.length() - 17); 
    BluetoothDevice btDev = bluetoothAdapter.getRemoteDevice(address); 
    ClientThread clientThread = new ClientThread(btDev, context);
    clientThread.start();
  }}
}

package com.example.thecaseforbluetooth;
 
public interface Bluetoothprotocol {
 public static final String PROTOCOL_SCHEME_L2CAP = "btl2cap";
 public static final String PROTOCOL_SCHEME_RFCOMM = "btspp";
 public static final String PROTOCOL_SCHEME_BT_OBEX = "btgoep";
 public static final String PROTOCOL_SCHEME_TCP_OBEX = "tcpobex";
}

package com.example.thecaseforbluetooth;
 
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.UUID;
 
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.Context;
import android.os.Message;
import android.util.Log;
import android.widget.Toast;
 
public class ServerThread extends Thread {
 public BluetoothServerSocket mserverSocket;
 public BluetoothAdapter bluetoothAdapter;
 public BluetoothSocket socket;
 public Context context;
 public ServerThread(BluetoothAdapter bluetoothAdapter,Context context) {
  this.bluetoothAdapter = bluetoothAdapter;
  this.context = context;
 }
 
 public void run() {
   
  try {
   /* 创建一个蓝牙服务器 
    * 参数分别：服务器名称、UUID */
   mserverSocket = bluetoothAdapter.listenUsingRfcommWithServiceRecord(Bluetoothprotocol.PROTOCOL_SCHEME_RFCOMM,
     UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));  
//   /* 接受客户端的连接请求 */
   socket = mserverSocket.accept();
   //下面代码作者偷懒，读写另外起一个线程最好
   //接收数据
    byte[] buffer = new byte[1024];
    int bytes;
    InputStream mmInStream = null;
     
    try {
     mmInStream = socket.getInputStream();
    } catch (IOException e1) {
     // TODO Auto-generated catch block
     e1.printStackTrace();
    } 
    System.out.println("zhoulc server");
    while(true){
      if( (bytes = mmInStream.read(buffer)) > 0 )
      {
       byte[] buf_data = new byte[bytes];
       for(int i=0; i<bytes; i++)
       {
        buf_data[i] = buffer[i];
       }
       String s = new String(buf_data);
       System.out.println(s+"zhoulc server is in");
    } 
    }
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 
}
  
}

package com.example.thecaseforbluetooth;
 
import java.io.IOException;
import java.io.OutputStream;
import java.util.UUID;
 
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Context;
import android.widget.Toast;
 
public class ClientThread extends Thread {
 public BluetoothSocket socket;
 public BluetoothDevice device;
 public Context context;
 public ClientThread(BluetoothDevice device,Context context){
  this.device = device;
  this.context = context;
 }
 public void run() {
  try {
   //创建一个Socket连接：只需要服务器在注册时的UUID号
   socket = device.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));
   //连接
   socket.connect();
   //下面代码作者偷懒，读写另外起一个线程最好
   //发送数据
   if (socket == null) 
   {
    Toast.makeText(context, "链接失败", 5000).show();
    return;
   }
   System.out.println("zhoulc client");
   while(true){
    try {
     System.out.println("zhoulc client is in");
     String msg = "hello everybody I am client";
     OutputStream os = socket.getOutputStream(); 
     os.write(msg.getBytes());
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }   
   }
  } 
  catch (IOException e) 
  {
   e.printStackTrace();
  } 
 }
}

package cn.bluetooth;
 
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.util.Log;
public class ClsUtils 
{ 
 public static BluetoothDevice remoteDevice=null;
  /** 
  * 与设备配对 参考源码：platform/packages/apps/Settings.git 
  * /Settings/src/com/android/settings/bluetooth/CachedBluetoothDevice.java 
  */
  @SuppressWarnings("unchecked")
 static public boolean createBond(@SuppressWarnings("rawtypes") Class btClass, BluetoothDevice btDevice) 
    throws Exception 
  { 
   Method createBondMethod = btClass.getMethod("createBond"); 
   Boolean returnValue = (Boolean) createBondMethod.invoke(btDevice); 
   return returnValue.booleanValue(); 
  } 
 
  /** 
  * 与设备解除配对 参考源码：platform/packages/apps/Settings.git 
  * /Settings/src/com/android/settings/bluetooth/CachedBluetoothDevice.java 
  */
  @SuppressWarnings("unchecked")
 static public boolean removeBond(Class btClass, BluetoothDevice btDevice) 
    throws Exception 
  { 
   Method removeBondMethod = btClass.getMethod("removeBond"); 
   Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice); 
   return returnValue.booleanValue(); 
  } 
 
  @SuppressWarnings("unchecked")
 static public boolean setPin(Class btClass, BluetoothDevice btDevice, 
    String str) throws Exception 
  { 
   try
   { 
    Method removeBondMethod = btClass.getDeclaredMethod("setPin", 
      new Class[] 
      {byte[].class}); 
    Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice, 
      new Object[] 
      {str.getBytes()}); 
    Log.d("returnValue", "setPin is success " +btDevice.getAddress()+ returnValue.booleanValue());
   } 
   catch (SecurityException e) 
   { 
    // throw new RuntimeException(e.getMessage()); 
    e.printStackTrace(); 
   } 
   catch (IllegalArgumentException e) 
   { 
    // throw new RuntimeException(e.getMessage()); 
    e.printStackTrace(); 
   } 
   catch (Exception e) 
   { 
    // TODO Auto-generated catch block 
    e.printStackTrace(); 
   } 
   return true; 
 
  } 
 
  // 取消用户输入 
  @SuppressWarnings("unchecked")
 static public boolean cancelPairingUserInput(Class btClass, 
    BluetoothDevice device) 
 
  throws Exception 
  { 
   Method createBondMethod = btClass.getMethod("cancelPairingUserInput"); 
   // cancelBondProcess() 
   Boolean returnValue = (Boolean) createBondMethod.invoke(device); 
   Log.d("returnValue", "cancelPairingUserInput is success " + returnValue.booleanValue());
   return returnValue.booleanValue(); 
  } 
 
  // 取消配对 
  @SuppressWarnings("unchecked")
 static public boolean cancelBondProcess(Class btClass, 
    BluetoothDevice device) 
 
  throws Exception 
  { 
   Method createBondMethod = btClass.getMethod("cancelBondProcess"); 
   Boolean returnValue = (Boolean) createBondMethod.invoke(device); 
   return returnValue.booleanValue(); 
  } 
 
  /** 
  * 
  * @param clsShow 
  */
  @SuppressWarnings("unchecked")
 static public void printAllInform(Class clsShow) 
  { 
   try
   { 
    // 取得所有方法 
    Method[] hideMethod = clsShow.getMethods(); 
    int i = 0; 
    for (; i < hideMethod.length; i++) 
    { 
     //Log.e("method name", hideMethod.getName() + ";and the i is:"
     //  + i); 
    } 
    // 取得所有常量 
    Field[] allFields = clsShow.getFields(); 
    for (i = 0; i < allFields.length; i++) 
    { 
     //Log.e("Field name", allFields.getName()); 
    } 
   } 
   catch (SecurityException e) 
   { 
    // throw new RuntimeException(e.getMessage()); 
    e.printStackTrace(); 
   } 
   catch (IllegalArgumentException e) 
   { 
    // throw new RuntimeException(e.getMessage()); 
    e.printStackTrace(); 
   } 
   catch (Exception e) 
   { 
    // TODO Auto-generated catch block 
    e.printStackTrace(); 
   } 
  } 
}

package cn.bluetooth;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
 
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.ToggleButton;
public class Bluetooth1 extends Activity {
 /** Called when the activity is first created. */
  Button btnSearch, btnDis, btnExit; 
  ToggleButton tbtnSwitch; 
  ListView lvBTDevices; 
  ArrayAdapter<String> adtDevices; 
  List<String> lstDevices = new ArrayList<String>(); 
  BluetoothAdapter btAdapt; 
  public static BluetoothSocket btSocket; 
  @Override
  public void onCreate(Bundle savedInstanceState) { 
   super.onCreate(savedInstanceState); 
   setContentView(R.layout.main); 
   // Button 设置 
   btnSearch = (Button) this.findViewById(R.id.btnSearch); 
   btnSearch.setOnClickListener(new ClickEvent()); 
   btnExit = (Button) this.findViewById(R.id.btnExit); 
   btnExit.setOnClickListener(new ClickEvent()); 
   btnDis = (Button) this.findViewById(R.id.btnDis); 
   btnDis.setOnClickListener(new ClickEvent()); 
 
   // ToogleButton设置 
   tbtnSwitch = (ToggleButton) this.findViewById(R.id.tbtnSwitch); 
   tbtnSwitch.setOnClickListener(new ClickEvent()); 
 
   // ListView及其数据源 适配器 
   lvBTDevices = (ListView) this.findViewById(R.id.lvDevices); 
   adtDevices = new ArrayAdapter<String>(this, 
     android.R.layout.simple_list_item_1, lstDevices); 
   lvBTDevices.setAdapter(adtDevices); 
   lvBTDevices.setOnItemClickListener(new ItemClickEvent()); 
 
   btAdapt = BluetoothAdapter.getDefaultAdapter();// 初始化本机蓝牙功能 
 
   // ======================================================== 
   // modified by wiley 
   /*
   * if (btAdapt.getState() == BluetoothAdapter.STATE_OFF)// 读取蓝牙状态并显示
   * tbtnSwitch.setChecked(false); else if (btAdapt.getState() ==
   * BluetoothAdapter.STATE_ON) tbtnSwitch.setChecked(true);
   */
   if (btAdapt.isEnabled()) { 
    tbtnSwitch.setChecked(false); 
   } else { 
    tbtnSwitch.setChecked(true); 
   } 
   // ============================================================ 
   // 注册Receiver来获取蓝牙设备相关的结果 
   IntentFilter intent = new IntentFilter(); 
   intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver来取得搜索结果 
   intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); 
   intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED); 
   intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); 
   registerReceiver(searchDevices, intent); 
  } 
 
  private final BroadcastReceiver searchDevices = new BroadcastReceiver() { 
   @Override
 public void onReceive(Context context, Intent intent) {  
   
    String action = intent.getAction(); 
    Bundle b = intent.getExtras(); 
    Object[] lstName = b.keySet().toArray(); 
 
    // 显示所有收到的消息及其细节 
    for (int i = 0; i < lstName.length; i++) { 
     String keyName = lstName.toString(); 
     Log.e(keyName, String.valueOf(b.get(keyName))); 
    } 
    BluetoothDevice device = null; 
    // 搜索设备时，取得设备的MAC地址 
    if (BluetoothDevice.ACTION_FOUND.equals(action)) { 
     device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 
     if (device.getBondState() == BluetoothDevice.BOND_NONE) { 
      String str = "   未配对|" + device.getName() + "|"
        + device.getAddress(); 
      if (lstDevices.indexOf(str) == -1)// 防止重复添加 
       lstDevices.add(str); // 获取设备名称和mac地址 
      adtDevices.notifyDataSetChanged(); 
     } 
    }else if(BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)){ 
     device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 
     
     switch (device.getBondState()) { 
     case BluetoothDevice.BOND_BONDING: 
      Log.d("BlueToothTestActivity", "正在配对......"); 
      break; 
     case BluetoothDevice.BOND_BONDED: 
      Log.d("BlueToothTestActivity", "完成配对"); 
      //connect(device);//连接设备 
      break; 
     case BluetoothDevice.BOND_NONE: 
      Log.d("BlueToothTestActivity", "取消配对"); 
     default: 
      break; 
     } 
    } 
    
   } 
  }; 
 
  @Override
  protected void onDestroy() { 
   this.unregisterReceiver(searchDevices); 
   super.onDestroy(); 
   android.os.Process.killProcess(android.os.Process.myPid()); 
  } 
 
  class ItemClickEvent implements AdapterView.OnItemClickListener { 
 
   @Override
   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 
     long arg3) { 
    if(btAdapt.isDiscovering())btAdapt.cancelDiscovery(); 
    String str = lstDevices.get(arg2); 
    String[] values = str.split("\\|"); 
    String address = values[2]; 
    Log.e("address", values[2]);    
    BluetoothDevice btDev = btAdapt.getRemoteDevice(address); 
    try { 
     Boolean returnValue = false; 
     if (btDev.getBondState() == BluetoothDevice.BOND_NONE) { 
      Toast.makeText(Bluetooth1.this, "远程设备发送蓝牙配对请求", 5000).show(); 
      //这里只需要createBond就行了
     ClsUtils.createBond(btDev.getClass(), btDev); 
     }else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){ 
      Toast.makeText(Bluetooth1.this, btDev.getBondState()+" ....正在连接..", 1000).show(); 
     } 
    } catch (Exception e) { 
     e.printStackTrace(); 
    } 
   } 
  } 
  class ClickEvent implements View.OnClickListener { 
   @Override
   public void onClick(View v) { 
    if (v == btnSearch)// 搜索蓝牙设备，在BroadcastReceiver显示结果 
    { 
     if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) {// 如果蓝牙还没开启 
      Toast.makeText(Bluetooth1.this, "请先打开蓝牙", 1000) 
        .show(); 
      return; 
     } 
     if (btAdapt.isDiscovering()) 
      btAdapt.cancelDiscovery(); 
     lstDevices.clear(); 
     Object[] lstDevice = btAdapt.getBondedDevices().toArray(); 
     for (int i = 0; i < lstDevice.length; i++) { 
      BluetoothDevice device = (BluetoothDevice) lstDevice[i]; 
      String str = " 已配对|" + device.getName() + "|"
        + device.getAddress(); 
      lstDevices.add(str); // 获取设备名称和mac地址 
      adtDevices.notifyDataSetChanged(); 
     } 
     setTitle("本机：" + btAdapt.getAddress()); 
     btAdapt.startDiscovery(); 
    } else if (v == tbtnSwitch) {// 本机蓝牙启动/关闭 
     if (tbtnSwitch.isChecked() == false) 
      btAdapt.enable(); 
 
     else if (tbtnSwitch.isChecked() == true) 
      btAdapt.disable(); 
     
    } else if (v == btnDis)// 本机可以被搜索 
    { 
     Intent discoverableIntent = new Intent( 
       BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); 
     discoverableIntent.putExtra( 
       BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300); 
     startActivity(discoverableIntent); 
    } else if (v == btnExit) { 
     try { 
      if (btSocket != null) 
       btSocket.close(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 
     Bluetooth1.this.finish(); 
    } 
   } 
  } 
 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
 }
 
  
}

package cn.bluetooth;
 
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
 
public class PairingRequest extends BroadcastReceiver {
 String strPsw = "0000";
 final String ACTION_PAIRING_REQUEST = "android.bluetooth.device.action.PAIRING_REQUEST";
 static BluetoothDevice remoteDevice = null;
 
 @Override
 public void onReceive(Context context, Intent intent) {
  if (intent.getAction().equals(ACTION_PAIRING_REQUEST)) {
 
   BluetoothDevice device = intent
     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
   if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
    try {
     ClsUtils.setPin(device.getClass(), device, strPsw); // 手机和蓝牙采集器配对
     // ClsUtils.cancelPairingUserInput(device.getClass(),
     // device); //一般调用不成功，前言里面讲解过了
     Toast.makeText(context, "配对信息" + device.getName(), 5000)
       .show();
    } catch (Exception e) {
     // TODO Auto-generated catch block
     Toast.makeText(context, "请求连接错误...", 1000).show();
    }
   }
   // */
   // pair(device.getAddress(),strPsw);
  }
 }
}

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="cn.bluetooth"
 android:versionCode="1"
 android:versionName="1.0" >
 <uses-sdk
  android:minSdkVersion="8"
  android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.BLUETOOTH" />
 <application
  android:icon="@drawable/ic_launcher"
  android:label="@string/app_name"
  android:theme="@style/AppTheme" >
  <activity
   android:name=".Bluetooth1"
   android:label="@string/title_activity_bluetooth1" >
   <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>
  </activity>
  <receiver android:name=".PairingRequest">
     <intent-filter>
     <action android:name="android.bluetooth.device.action.PAIRING_REQUEST" /> 
     </intent-filter>
    </receiver>
   
 </application>
</manifest>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:id="@+id/LinearLayout1"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical" >
 <Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnSearch"
 android:text="btnSearch"
/>
<Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnExit"
 android:text="btnExit"
/>
<Button
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/btnDis"
 android:text="btnDis"
/>
<ToggleButton
android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/tbtnSwitch"
 android:text="tbtnSwitch"
/>
<ListView
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:id="@+id/lvDevices"
 
/>
</LinearLayout>