``java，BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();，BluetoothDevice device = bluetoothAdapter.getRemoteDevice(address);，BluetoothSocket socket = device.createRfcommSocketToServiceRecord(MY_UUID);，socket.connect();，OutputStream outStream = socket.getOutputStream();，File file = new File("path/to/file");，FileInputStream fis = new FileInputStream(file);，byte[] buffer = new byte[1024];，int bytes;，while ((bytes = fis.read(buffer)) != -1) {， outStream.write(buffer, 0, bytes);，}，outStream.close();，fis.close();，socket.close();，``