Android下通过wifi调用打印机打印
// Code in Activity try { Socket sock = new Socket("192.168.199.245", 9100); // ip and port of printer PrintWriter oStream = new PrintWriter(sock.getOutputStream()); oStream.println("\t\t Text to The Printer"); oStream.println("\n\n\n"); oStream.close(); sock.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // <uses-permission android:name="android.permission.INTERNET"/>