android蓝牙主动发起配对实例(2)

        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() {