# No serial library Processing for smartphone. Help

**URL:** <https://discourse.processing.org/t/no-serial-library-processing-for-smartphone-help/29870>\
**Category:** Processing for Android\
**Created:** [May 5, 2021, 9:34am UTC](https://discourse.processing.org/t/no-serial-library-processing-for-smartphone-help/29870 "2021-05-05T09:34:04Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![jafal](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/jafal/32/19112_2.png) [@jafal](https://discourse.processing.org/u/jafal)\
**Post date:** [May 7, 2021, 8:17pm UTC](https://discourse.processing.org/t/no-serial-library-processing-for-smartphone-help/29870/32 "2021-05-07T20:17:16Z")

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> [@From java to android](https://discourse.processing.org/t/from-java-to-android/25022/8):
>
> @JoseMY. I just purchased an OTG (On The Go) cable and am interested in getting it to work on my Nexus 4 running Android 4.4. Any help would be deeply appreciated. I would like to send/receive text or data with an Arduino Uno if that is possible. I know the cable was initially designed primarily to run a printer and could probably find one to hook up if necessary. We might have to start a new thread if you’re interested in pursuing this.

> [@Anyone possible make project](https://discourse.processing.org/t/anyone-possible-make-project/25109):
>
> Hello to All this my project ; this working fine on java mode from serial (run on window 10) i need run same project on android app phone via bluetooth and from usb connect output encoder. i test on windows it work who help me. this is code:import processing.serial.\*; Serial myPort; String myString = null; int incoming\_position = 0; float position\_in\_degree = 0; PFont font18,font63; void setup(){ size(800, 600); font18 = loadFont(“Tahoma-18.vlw”); font63 = loadFont(“Tahoma-63.vlw…

> [@Using Serial with Processing for Android](https://discourse.processing.org/t/using-serial-with-processing-for-android/22974/8):
>
> Have you closed all other programs that could be using your serial port, for example arduino serial monitor, hyperterminal, etc. ?

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