Bluetooth 설명

사용 권한

    "android.permission.BLUETOOTH" />
    "android.permission.BLUETOOTH_ADMIN" />

초기화

//  
        defaultAdapter = BluetoothAdapter.getDefaultAdapter();
        //  
        defaultAdapter.enable();

면맞춤된 장치 검색

        Set bondedDevices = defaultAdapter.getBondedDevices();
        for (BluetoothDevice bluetoothDevice : bondedDevices) {
            if (!deviceList.contains(bluetoothDevice))
                // 
                deviceList.add(bluetoothDevice);
        }

면맞춤되지 않은 장치 검색

 //  
        receiver = new MyBluetoothReceiver();
        //  
        IntentFilter filter = new IntentFilter();
        //  action
        filter.addAction(BluetoothDevice.ACTION_FOUND);
        //  action  
        filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
        registerReceiver(receiver, filter);

//  action 
    class MyBluetoothReceiver extends BroadcastReceiver {
        @Override
        public void onReceive(Context context, Intent intent) {
            //  
            String action = intent.getAction();
            //  
            BluetoothDevice bluetoothDevice = intent
                    .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
            if (action.equals(BluetoothDevice.ACTION_FOUND)) {
                //  
                if (!deviceList.contains(bluetoothDevice)) {
                    deviceList.add(bluetoothDevice);
                }
                //  
                setAdapter();
            } else if (action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
                int bondState = bluetoothDevice.getBondState();
                switch (bondState) {
                case BluetoothDevice.BOND_NONE:
                    Toast.makeText(MainActivity.this, " ", 0).show();
                    break;
                case BluetoothDevice.BOND_BONDING:
                    Toast.makeText(MainActivity.this, " ", 0).show();
                    break;
                case BluetoothDevice.BOND_BONDED:
                    Toast.makeText(MainActivity.this, " ", 0).show();
                    //  
                    deviceList.remove(bluetoothDevice);
                    //  
                    deviceList.add(0, bluetoothDevice);
                    //  
                    setAdapter();
                    break;
                default:
                    break;
                }
            }
        }
    }

    new Thread() {
            public void run() {
                //  ， ， 
                if (defaultAdapter.isDiscovering()) {
                    defaultAdapter.cancelDiscovery();
                }
                //  ， 
                defaultAdapter.startDiscovery();
            };
        }.start();

데이터 어댑터 설정

//  ， ， 
        if (myBluetoothAdapter == null) {
            myBluetoothAdapter = new MyBluetoothAdapter(this, deviceList);
            listView.setAdapter(myBluetoothAdapter);
        } else {
            //  
            myBluetoothAdapter.notifyDataSetChanged();
        }

짝이 지정되지 않은 장치 쌍 지정

try {
                    //  
                    BluetoothDevice bluetoothDevice = deviceList.get(position);
                    //  ， 
                    if (bluetoothDevice.getBondState() == BluetoothDevice.BOND_NONE) {
                        String address = bluetoothDevice.getAddress();
                        //  
                        BluetoothDevice remoteDevice = defaultAdapter
                                .getRemoteDevice(address);
                        //  
                        //  
                        Class clz = BluetoothDevice.class;
                        //  ， ， ， 
                        Method method = clz.getMethod("createBond", null);
                        //  
                        method.invoke(remoteDevice, null);
                        //  ， ， 
                    } 

배합 장치에 대한 채팅 준비

 else if (bluetoothDevice.getBondState() == BluetoothDevice.BOND_BONDED) {
                        //  ， 
        Intent intent = new Intent(MainActivity.this,MyChatActivity.class);
        intent.putExtra("address", bluetoothDevice.getAddress());
        startActivity(intent);
                    }

코드 참조