Get Bluetooth device info from BluetoothDevice class

GetBTinfo.java

    @Override
    protected void onNewIntent(Intent intent) {
        // NDEF exchange mode
        if (!mWriteMode && NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction())) {
            NdefMessage[] msgs = getNdefMessages(intent);
        }

        // Tag writing mode
        if (mWriteMode && NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) {
            Tag detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            
            
            // bluetoothDeviceからの情報取得
            byte[] oobOptionalDataLength ={(byte)0x21,(byte)0x00};
            //---Bluetooth Device Address
            String addressStr = mBluetoothDevice.getAddress();
            String[] addressBuff = addressStr.split(":");
            ByteBuffer addressByteBuf = ByteBuffer.allocate(6);
            for( int i = 5;i >= 0; i--){
            	addressByteBuf.put((byte)Integer.parseInt(addressBuff[i],16));
            }
            byte[] Address = addressByteBuf.array();
            //---Local Name
            byte[] EIR_DataType1 = {(byte)0x09};
            byte[] LocalName = mBluetoothDevice.getName().getBytes();
            byte[] EIR_DataLength1  = { (byte)(LocalName.length+1) };
            //---Class of Device
            int servicesVal = getServiesVal() & 0xFFFF0000;
            servicesVal = servicesVal >> 16;
            int majoreClass = mBluetoothDevice.getBluetoothClass().getMajorDeviceClass();
            int minorClass = mBluetoothDevice.getBluetoothClass().getDeviceClass() & 0xFF;
            majoreClass = majoreClass >> 8;
            
            byte[] EIR_DataLength2 = {(byte)0x04};
            byte[] EIR_DataType2 = {(byte)0x0D};
            byte[] DeviceClass = {(byte)minorClass,(byte)majoreClass,(byte)servicesVal};
            //---UUID List
            byte[] EIR_DataType3 = {(byte)0x03};
            ParcelUuid[] uuids = mBluetoothDevice.getUuids();

            ByteBuffer uuidByteBuf = ByteBuffer.allocate(uuids.length*2);
            for( int i=0; i<uuids.length;i++){
            	UUID uuid = uuids[i].getUuid();
            	String uuidStr = uuid.toString().substring(6,8);
            	uuidByteBuf.put((byte)Integer.parseInt(uuidStr,16));
            	uuidStr = uuid.toString().substring(4,6);
            	uuidByteBuf.put((byte)Integer.parseInt(uuidStr,16));
            }
            
            byte[] UUID_list = uuidByteBuf.array();
            byte[] EIR_DataLength3 = {(byte)(UUID_list.length+1)};
            
            int oobLen = oobOptionalDataLength.length+Address.length+EIR_DataLength1.length+EIR_DataType1.length+LocalName.length+
            		EIR_DataLength2.length+EIR_DataType2.length+DeviceClass.length+EIR_DataLength3.length+EIR_DataType3.length+UUID_list.length;
            ByteBuffer byteBuf = ByteBuffer.allocate(oobLen);
            
            //--OOB全体長再計算
            byte[] oobLenBytes = toBytes(oobLen);
            oobOptionalDataLength[0] = oobLenBytes[3];
            oobOptionalDataLength[1] = oobLenBytes[2];
            byteBuf.put(oobOptionalDataLength);
            byteBuf.put(Address);
            byteBuf.put(EIR_DataLength1);
            byteBuf.put(EIR_DataType1);
            byteBuf.put(LocalName);
            byteBuf.put(EIR_DataLength2);
            byteBuf.put(EIR_DataType2);
            byteBuf.put(DeviceClass);
            byteBuf.put(EIR_DataLength3);
            byteBuf.put(EIR_DataType3);
            byteBuf.put(UUID_list);
            
            NdefRecord textRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, "application/vnd.bluetooth.ep.oob".getBytes(),
                    new byte[] {}, byteBuf.array());
            
            NdefMessage ndefMessage = new NdefMessage(new NdefRecord[] {
                textRecord
            });
           
            writeTag(ndefMessage, detectedTag);
        }
    }