public void connectionclose() { try { is.close(); os.close(); dis.close(); dos.close(); sPort.close(); } catch (Exception e) { System.out.println("close" + e); } }
public void write(byte[] data) { try { os = port.getOutputStream(); } catch (IOException e) { System.err.println("IOException: " + e); } try { os.write(data); } catch (IOException e) { System.err.println("IOException: " + e); } }