android蓝牙主动发起配对实例

package cn.madfinger.core;  

  

import java.io.IOException;  

import java.lang.reflect.Method;  

import java.util.ArrayList;  

import java.util.List;  

import java.util.UUID;  

  

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.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 BlueToothTestActivity extends Activity {  

    //该UUID表示串口服务  

    //请参考文章<a href="http://wiley.iteye.com/blog/1179417">http://wiley.iteye.com/blog/1179417</a>  

    static final String SPP_UUID = "00001101-0000-1000-8000-00805F9B34FB";  

    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 BroadcastReceiver searchDevices = new BroadcastReceiver() {  

  

        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[i].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) {  

                    //利用反射方法调用BluetoothDevice.createBond(BluetoothDevice remoteDevice);  

                    Method createBondMethod = BluetoothDevice.class  

                            .getMethod("createBond");  

                    Log.d("BlueToothTestActivity", "开始配对");  

                    returnValue = (Boolean) createBondMethod.invoke(btDev);  

                      

                }else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){  

                    connect(btDev);  

                }  

            } catch (Exception e) {  

                e.printStackTrace();  

            }  

  

        }  

  

    }  

      

    private void connect(BluetoothDevice btDev) {  

        UUID uuid = UUID.fromString(SPP_UUID);  

        try {  

            btSocket = btDev.createRfcommSocketToServiceRecord(uuid);  

            Log.d("BlueToothTestActivity", "开始连接...");  

            btSocket.connect();  

        } catch (IOException e) {  

            // TODO Auto-generated catch block  

            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(BlueToothTestActivity.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("本机蓝牙地址：" + 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();  

                }  

                BlueToothTestActivity.this.finish();  

            }  

        }  

  

    }  

}