android 实现蓝牙自动配对连接

BluetoothConnectActivityReceiver.java:监听蓝牙配对的广播

代码：

package com.imte.Broadcast;

import com.imte.utils.ClsUtils;
 import com.itme.ActivityClass.R;

import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Handler;
 import android.util.Log;
 import android.widget.Toast;

public class BluetoothConnectActivityReceiver extends BroadcastReceiver {

 String strPsw = "123456";

 @Override
  public void onReceive(Context context, Intent intent) {
   // TODO Auto-generated method stub
   if (intent.getAction().equals(
     "android.bluetooth.device.action.PAIRING_REQUEST")) {
    BluetoothDevice btDevice = intent
      .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
    try {
     ClsUtils.setPin(btDevice.getClass(), btDevice, strPsw); // 手机和蓝牙采集器配对
     ClsUtils.createBond(btDevice.getClass(), btDevice);
     ClsUtils.cancelPairingUserInput(btDevice.getClass(), btDevice);
     Toast.makeText(
       context,
       context.getResources().getString(
         R.string.bluetooth_connect_success),
       Toast.LENGTH_SHORT);
    } catch (Exception e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
 //    Thread thread=new Thread(strPsw);
 //    thread.
    }
   }

 }
 }

ClsUtils.java?

package com.imte.utils;

/************************************ 蓝牙配对函数 * **************/
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;

import android.bluetooth.BluetoothDevice;
 import android.util.Log;
 public class ClsUtils
 {

 /**
   * 与设备配对 参考源码：platform/packages/apps/Settings.git
   * /Settings/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
   */
  static public boolean createBond(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
   */
  static public boolean removeBond(Class btClass, BluetoothDevice btDevice)
    throws Exception
  {
   Method removeBondMethod = btClass.getMethod("removeBond");
   Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice);
   return returnValue.booleanValue();
  }

 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.e("returnValue", "" + returnValue);
   }
   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
  static public boolean cancelPairingUserInput(Class btClass,
    BluetoothDevice device)

 throws Exception
  {
   Method createBondMethod = btClass.getMethod("cancelPairingUserInput");
   // cancelBondProcess()
   Boolean returnValue = (Boolean) createBondMethod.invoke(device);
   return returnValue.booleanValue();
  }

 // 取消配对
  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
   */
  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[i].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[i].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();
   }
  }
 }

最后就是MainActivity,用一个按钮来实现自动配对，代码如下：

package com.itme.ActivityClass;

import android.app.Activity;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;

import com.imte.utils.ClsUtils;

public class MainActivity extends Activity implements OnClickListener{
     /** Called when the activity is first created. */
  private static BluetoothDevice remoteDevice=null;
  private Button btn_autopair=null;
  final static String ACTION_BLUETOOTHBC="android.bluetooth.device.action.PAIRING_REQUEST";
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
         btn_autopair=(Button)findViewById(R.id.btn_autopair);
         btn_autopair.setOnClickListener(this);
     }
     public static boolean pair(String strAddr, String strPsw)
  {
   boolean result = false;
   //蓝牙设备适配器
   BluetoothAdapter bluetoothAdapter = BluetoothAdapter
     .getDefaultAdapter();
   //取消发现当前设备的过程
   bluetoothAdapter.cancelDiscovery();
   if (!bluetoothAdapter.isEnabled())
   {
    bluetoothAdapter.enable();
   }
   if (!BluetoothAdapter.checkBluetoothAddress(strAddr))
   { // 检查蓝牙地址是否有效
    Log.d("mylog", "devAdd un effient!");
   }
   //由蓝牙设备地址获得另一蓝牙设备对象
   BluetoothDevice device = bluetoothAdapter.getRemoteDevice(strAddr);
   if (device.getBondState() != BluetoothDevice.BOND_BONDED)
   {
    try
    {
     Log.d("mylog", "NOT BOND_BONDED");
     ClsUtils.setPin(device.getClass(), device, strPsw); // 手机和蓝牙采集器配对
     ClsUtils.createBond(device.getClass(), device);
 //    ClsUtils.cancelPairingUserInput(device.getClass(), device);
     remoteDevice = device; // 配对完毕就把这个设备对象传给全局的remoteDevice
     result = true;
    }
    catch (Exception e)
    {
     // TODO Auto-generated catch block
     Log.d("mylog", "setPiN failed!");
     e.printStackTrace();
    } //

  }
   else
   {
    Log.d("mylog", "HAS BOND_BONDED");
    try
    {
     //ClsUtils这个类的的以下静态方法都是通过反射机制得到需要的方法
     ClsUtils.createBond(device.getClass(), device);//创建绑定
     ClsUtils.setPin(device.getClass(), device, strPsw); // 手机和蓝牙采集器配对
     ClsUtils.createBond(device.getClass(), device);
 //    ClsUtils.cancelPairingUserInput(device.getClass(), device);
     remoteDevice = device; // 如果绑定成功，就直接把这个设备对象传给全局的remoteDevice
     result = true;
    }
    catch (Exception e)
    {
     // TODO Auto-generated catch block
     Log.d("mylog", "setPiN failed!");
     e.printStackTrace();
    }
   }
   return result;
  }
  @Override
  public void onClick(View v) {
   // TODO Auto-generated method stub
   switch (v.getId()) {
   case R.id.btn_autopair:
    if (pair("94:DB:46:2B:A1:82", "123456")) {//pair的第一个参数是要配对的蓝牙地址，第二个参数是配对时预先设置的密钥

    Log.i("aaron", remoteDevice.getAddress());
    }
    break;

  default:
    break;
   }
  }
 }

叮咚..如题的功能就实现了。。。

  项目源代码下载地址： http://download.csdn.net/detail/huangrangg12/4578242