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  • android蓝牙主动发起配对实例

    package net.simple.android;
    
    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
        // 需要修改自己的UUID
        static final String SPP_UUID = "自己机器的uuid";
        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();
                }
            }
    
        }
    }
    本文转自:http://simpleframework.net/bbs/6148/67861.html
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  • 原文地址:https://www.cnblogs.com/luwenbin/p/2971188.html
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