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