# Processing for Android

**URL:** https://discourse.processing.org/c/processing-android/12.md?no_subcategories=false&page=1

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 2

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## [Strange text rendering in APDE editor](https://discourse.processing.org/t/strange-text-rendering-in-apde-editor/45124)

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**Author:** [@shedMusic](https://discourse.processing.org/u/shedMusic)\
**Replies:** 4\
**Last updated:** [July 16, 2025, 7:03am UTC](https://discourse.processing.org/t/strange-text-rendering-in-apde-editor/45124 "2025-07-16T07:03:09Z")

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Anybody else seeing this … Processing key words are being displayed twice, once correctly and then in blue/grey etc ?

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## [Multitouch Virtual Joystick Controller Class, working in APDE](https://discourse.processing.org/t/multitouch-virtual-joystick-controller-class-working-in-apde/46737)

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**Author:** [@anon15123282](https://discourse.processing.org/u/anon15123282)\
**Replies:** 1\
**Last updated:** [July 16, 2025, 6:40am UTC](https://discourse.processing.org/t/multitouch-virtual-joystick-controller-class-working-in-apde/46737 "2025-07-16T06:40:24Z")

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This is for all the APDE users that have issues with the build-in multi-touch system, that not updates the number of active touches array on each finger up event but only evey second or the last finger up event when tryi…

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## [Android Impulse Response](https://discourse.processing.org/t/android-impulse-response/46636)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 0\
**Last updated:** [July 1, 2025, 4:15am UTC](https://discourse.processing.org/t/android-impulse-response/46636 "2025-07-01T04:15:21Z")

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Very powerful tool that can detect Impulse Response with high accurate measurements and able to capture response store it then analysis it to compare the response with same material under test by getting the unique sign…

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## [Why app store cant detect live wallpaper](https://discourse.processing.org/t/why-app-store-cant-detect-live-wallpaper/46612)

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**Author:** [@aiapps](https://discourse.processing.org/u/aiapps)\
**Replies:** 2\
**Last updated:** [June 27, 2025, 7:15am UTC](https://discourse.processing.org/t/why-app-store-cant-detect-live-wallpaper/46612 "2025-06-27T07:15:28Z")

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I created an apk file and want to upload it, but the problem is that the app store can’t detect live wallpaper. What should I write in the manifest?

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## [Sound unit does not compile in Android mode](https://discourse.processing.org/t/sound-unit-does-not-compile-in-android-mode/46589)

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**Author:** [@yves.cordier](https://discourse.processing.org/u/yves.cordier)\
**Replies:** 1\
**Last updated:** [June 22, 2025, 4:05pm UTC](https://discourse.processing.org/t/sound-unit-does-not-compile-in-android-mode/46589 "2025-06-22T16:05:30Z")

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Hello everyone Bonjour à tous Depuis plus d’un an je rencontre des problèmes de génération d’APK avec diverses version de processing (la version 4.3.4 fonctionne normalement sous android) Since more than a year, i enc…

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## [Incorrect display of non-English characters](https://discourse.processing.org/t/incorrect-display-of-non-english-characters/46488)

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**Author:** [@defaultUser](https://discourse.processing.org/u/defaultUser)\
**Replies:** 3\
**Last updated:** [June 2, 2025, 11:22am UTC](https://discourse.processing.org/t/incorrect-display-of-non-english-characters/46488 "2025-06-02T11:22:37Z")

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Hello everyone! I am making an app in Android mode. And I have a problem with displaying non-English characters. I create a String variable, initialize it with non-English characters (Cyrillic).For example String myStr…

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## [Emulator not starting](https://discourse.processing.org/t/emulator-not-starting/45833)

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**Author:** [@markcosmic](https://discourse.processing.org/u/markcosmic)\
**Replies:** 1\
**Last updated:** [May 25, 2025, 7:30pm UTC](https://discourse.processing.org/t/emulator-not-starting/45833 "2025-05-25T19:30:40Z")

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haxx always want to be installed and the emulator times out and doesn’t start. But sometimes it starts after exiting Processing. Leaving the emulator running and starting processing changes nothing. And yes, I can connec…

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## [Where can I find jar file for my android studio project of the processing-core](https://discourse.processing.org/t/where-can-i-find-jar-file-for-my-android-studio-project-of-the-processing-core/46450)

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**Author:** [@Mardin98K](https://discourse.processing.org/u/Mardin98K)\
**Replies:** 2\
**Last updated:** [May 25, 2025, 5:00pm UTC](https://discourse.processing.org/t/where-can-i-find-jar-file-for-my-android-studio-project-of-the-processing-core/46450 "2025-05-25T17:00:12Z")

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Dear members of this community, I am currently working on an Android Studio project aimed at developing a live wallpaper application with high functionality, albeit at a relatively low visual fidelity. My goal is to lev…

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## [Box2D example not building](https://discourse.processing.org/t/box2d-example-not-building/46353)

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**Author:** [@RichardDL](https://discourse.processing.org/u/RichardDL)\
**Replies:** 1\
**Last updated:** [May 17, 2025, 7:25am UTC](https://discourse.processing.org/t/box2d-example-not-building/46353 "2025-05-17T07:25:43Z")

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Hi, I’m trying the basic examples for Android. On Processing for Android, when I run the example from just below “A more complex example using Box2D”, it complains: No library found for shiffman.box2d No library found …

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## [Looking for clip(), noClip() alternative; it no longer works](https://discourse.processing.org/t/looking-for-clip-noclip-alternative-it-no-longer-works/46340)

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**Author:** [@enonod](https://discourse.processing.org/u/enonod)\
**Replies:** 12\
**Last updated:** [May 9, 2025, 8:16am UTC](https://discourse.processing.org/t/looking-for-clip-noclip-alternative-it-no-longer-works/46340 "2025-05-09T08:16:21Z")

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I have used the clip(), noClip() pair to constrain scrolling text to a rectangle in Android 4.4.2. The same sketch does not work in Android 12 and maybe prior to that. It seems it has been deprecated. I have been unabl…

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## [Cannot run sketch on old Android kitkat device, using Processing 4 IDE](https://discourse.processing.org/t/cannot-run-sketch-on-old-android-kitkat-device-using-processing-4-ide/46288)

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**Author:** [@enonod](https://discourse.processing.org/u/enonod)\
**Replies:** 53\
**Last updated:** [May 4, 2025, 1:05pm UTC](https://discourse.processing.org/t/cannot-run-sketch-on-old-android-kitkat-device-using-processing-4-ide/46288 "2025-05-04T13:05:04Z")

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This has become a ‘rabbit hole’ at 13 posts and has now gone full circle back to post 1. Reading this is probably a waste of time. I am starting a new topic with a different approach. “What requirements for Processing 4 …

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## [How to set target & min sdk?](https://discourse.processing.org/t/how-to-set-target-min-sdk/46318)

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**Author:** [@shedMusic](https://discourse.processing.org/u/shedMusic)\
**Replies:** 3\
**Last updated:** [May 3, 2025, 4:33pm UTC](https://discourse.processing.org/t/how-to-set-target-min-sdk/46318 "2025-05-03T16:33:25Z")

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In early versions of Processing the Android menu had options to set the minSdk and targetSdk, but this has now gone. Also in the past, these were set in the manifest but I know from tinkering with Android Studio these ar…

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## [What requirements for Processing 4 and Android 4.4 KitKat?](https://discourse.processing.org/t/what-requirements-for-processing-4-and-android-4-4-kitkat/46309)

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**Author:** [@enonod](https://discourse.processing.org/u/enonod)\
**Replies:** 4\
**Last updated:** [May 1, 2025, 2:34pm UTC](https://discourse.processing.org/t/what-requirements-for-processing-4-and-android-4-4-kitkat/46309 "2025-05-01T14:34:06Z")

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Sorry for the length of this. I am using Big Sur mac and old Samsung GT-N5110 Android 4.4, because two years ago I wrote a game for it which works. I believe I originally used Processing 3.5.4 and upgraded to 4.0.1. All…

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## [Where is Gradle supposed to be installed?](https://discourse.processing.org/t/where-is-gradle-supposed-to-be-installed/46293)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 2\
**Last updated:** [May 1, 2025, 12:48am UTC](https://discourse.processing.org/t/where-is-gradle-supposed-to-be-installed/46293 "2025-05-01T00:48:44Z")

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When running Android source code there is frequently an error message that says the user needs to install a later version of Gradle. How do we do that; where does it go?

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## [Phone system image not found](https://discourse.processing.org/t/phone-system-image-not-found/46040)

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**Author:** [@johnleung00](https://discourse.processing.org/u/johnleung00)\
**Replies:** 0\
**Last updated:** [March 21, 2025, 7:22pm UTC](https://discourse.processing.org/t/phone-system-image-not-found/46040 "2025-03-21T19:22:02Z")

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Using Processing 4.3.4. Android SDK 33 is located at C:\\Users\\myname\\AppData\\Local\\Android\\Sdk. I checked preferences.txt with the android path pointing to the correct location: android.gradle\_plugin=7.1.0 android.sdk…

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## [Video export with MediaMuxer](https://discourse.processing.org/t/video-export-with-mediamuxer/45929)

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**Author:** [@AniManOtaku](https://discourse.processing.org/u/AniManOtaku)\
**Replies:** 14\
**Last updated:** [March 17, 2025, 9:21pm UTC](https://discourse.processing.org/t/video-export-with-mediamuxer/45929 "2025-03-17T21:21:15Z")

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I have this code to export frames to video and it works fine, but I don’t quite understand how I can add audio. public class VideoExport { private MediaMuxer muxer; private MediaCodec codec; private MediaCodec.…

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## [The image kills the touch screen](https://discourse.processing.org/t/the-image-kills-the-touch-screen/45851)

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**Author:** [@AniManOtaku](https://discourse.processing.org/u/AniManOtaku)\
**Replies:** 2\
**Last updated:** [February 28, 2025, 5:39am UTC](https://discourse.processing.org/t/the-image-kills-the-touch-screen/45851 "2025-02-28T05:39:54Z")

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Well, I was programming and testing stuff and accidentally created an image that literally destroys the touch screen. PImage img; boolean draw=true; void setup(){ img=new PImage(min(width,height),min(width,height))…

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## [Emulator starts after exiting the Processing IDE](https://discourse.processing.org/t/emulator-starts-after-exiting-the-processing-ide/45842)

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**Author:** [@markcosmic](https://discourse.processing.org/u/markcosmic)\
**Replies:** 0\
**Last updated:** [February 26, 2025, 8:56pm UTC](https://discourse.processing.org/t/emulator-starts-after-exiting-the-processing-ide/45842 "2025-02-26T20:56:17Z")

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In trying to run an app in the emulator, Processing for Android want to download intel HAXM. It says successfully installed. The emulator doesn’t start I get the error disconnected from emulator. A familiar error. But wh…

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## [USB Serial Library for Processing for Android?](https://discourse.processing.org/t/usb-serial-library-for-processing-for-android/45750)

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**Author:** [@jhsa](https://discourse.processing.org/u/jhsa)\
**Replies:** 22\
**Last updated:** [February 15, 2025, 9:41pm UTC](https://discourse.processing.org/t/usb-serial-library-for-processing-for-android/45750 "2025-02-15T21:41:51Z")

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I have been trying to find a USB Serial Library for Processing for Android that actually works but I am not having much luck. The only one I found that I managed to make more or less work is the one found at At least…

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## [Dropdown Scrollable List needs two taps to open or select an item](https://discourse.processing.org/t/dropdown-scrollable-list-needs-two-taps-to-open-or-select-an-item/45700)

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**Author:** [@jhsa](https://discourse.processing.org/u/jhsa)\
**Replies:** 26\
**Last updated:** [February 8, 2025, 3:45pm UTC](https://discourse.processing.org/t/dropdown-scrollable-list-needs-two-taps-to-open-or-select-an-item/45700 "2025-02-08T15:45:16Z")

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Hi guys, beginner here. This test code aims at opening a list with 3 items and when one of them is selected, the list should close. also when tapping outside the list, it should close. but what I am seeing is that the l…

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## [Can't get started with Android Mode and SDK](https://discourse.processing.org/t/cant-get-started-with-android-mode-and-sdk/45579)

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**Author:** [@RichardDL](https://discourse.processing.org/u/RichardDL)\
**Replies:** 8\
**Last updated:** [January 29, 2025, 11:13pm UTC](https://discourse.processing.org/t/cant-get-started-with-android-mode-and-sdk/45579 "2025-01-29T23:13:19Z")

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Hi, I’m trying to get started with Android mode. When I switch a blank sketch to Android mode it offers to auto-download the SDK or for you to locate it. If I select auto-download it fails, same as here. I’ve tried r…

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## [YouTube 360 degree issue](https://discourse.processing.org/t/youtube-360-degree-issue/45519)

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**Author:** [@RedaBradley](https://discourse.processing.org/u/RedaBradley)\
**Replies:** 1\
**Last updated:** [January 1, 2025, 3:10am UTC](https://discourse.processing.org/t/youtube-360-degree-issue/45519 "2025-01-01T03:10:20Z")

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YouTube 360 ​​degree videos not working on Android, can anyone help?

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## [Problems with Sound Library in Android](https://discourse.processing.org/t/problems-with-sound-library-in-android/44973)

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**Author:** [@MPROCD](https://discourse.processing.org/u/MPROCD)\
**Replies:** 3\
**Last updated:** [December 19, 2024, 2:48pm UTC](https://discourse.processing.org/t/problems-with-sound-library-in-android/44973 "2024-12-19T14:48:05Z")

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I have a sketch working perfectly under Processing/Java. When I switch to Android, I get a number of notifications (see below) and the sketch does not run. The sketch runs OK if I remove the Sound related rows (Same ro…

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## [Android Processing importing Sound library error](https://discourse.processing.org/t/android-processing-importing-sound-library-error/44513)

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**Author:** [@SammySylvester84](https://discourse.processing.org/u/SammySylvester84)\
**Replies:** 18\
**Last updated:** [December 17, 2024, 8:20pm UTC](https://discourse.processing.org/t/android-processing-importing-sound-library-error/44513 "2024-12-17T20:20:56Z")

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Hello everyone! I have an issue with the Sound library import into the Android Mode. All works fine when in Java Mode, all sounds are playing as they should, but in Android Mode the " import processing.sound.\* " line of…

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## [WearOS watches: faces only, or data apps?](https://discourse.processing.org/t/wearos-watches-faces-only-or-data-apps/45438)

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**Author:** [@joshg](https://discourse.processing.org/u/joshg)\
**Replies:** 2\
**Last updated:** [December 10, 2024, 12:07am UTC](https://discourse.processing.org/t/wearos-watches-faces-only-or-data-apps/45438 "2024-12-10T00:07:36Z")

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I’m trying to sort out what’s possible before dropping money on an expensive smartwatch. Can Processing for Android create data collection apps that run in the background on a WearOS watch, eg. to track heart rate data w…

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## [OSC local network communication between Android and OSX](https://discourse.processing.org/t/osc-local-network-communication-between-android-and-osx/45291)

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**Author:** [@garrettlynch](https://discourse.processing.org/u/garrettlynch)\
**Replies:** 5\
**Last updated:** [November 9, 2024, 1:16pm UTC](https://discourse.processing.org/t/osc-local-network-communication-between-android-and-osx/45291 "2024-11-09T13:16:50Z")

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I am trying to use OSC to communicate between a desktop computer (OSX) and an Android phone, which are both connected to the same wifi network. I’m working in Processing with the oscP5 library but I think everything is f…

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## [Calling Android Devs: Help Needed with Gradle 8.0 and Android 34 Update!](https://discourse.processing.org/t/calling-android-devs-help-needed-with-gradle-8-0-and-android-34-update/45223)

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**Author:** [@sableraph](https://discourse.processing.org/u/sableraph)\
**Replies:** 0\
**Last updated:** [October 24, 2024, 11:37am UTC](https://discourse.processing.org/t/calling-android-devs-help-needed-with-gradle-8-0-and-android-34-update/45223 "2024-10-24T11:37:47Z")

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Hey everyone! We’re facing an issue with the Processing for Android build system—it’s currently stuck on Gradle 7.2 and Android 33, and upgrading beyond that requires moving to Gradle 8.0, which would break backwards-co…

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## [Can't set live wallpaper on lockscreen and homescreen separately](https://discourse.processing.org/t/cant-set-live-wallpaper-on-lockscreen-and-homescreen-separately/45116)

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**Author:** [@soantyphalt](https://discourse.processing.org/u/soantyphalt)\
**Replies:** 0\
**Last updated:** [October 1, 2024, 1:30pm UTC](https://discourse.processing.org/t/cant-set-live-wallpaper-on-lockscreen-and-homescreen-separately/45116 "2024-10-01T13:30:15Z")

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I have a Samsung Galaxy S20 and use the Wallpapers App from Google because I can’t find my live wallpapers on the samsung wallpaper picker. But for some reason, I can’t separately pick the lock- and homescreen. The onl…

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## [APDE processing.pdf](https://discourse.processing.org/t/apde-processing-pdf/45104)

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**Author:** [@mrbro](https://discourse.processing.org/u/mrbro)\
**Replies:** 1\
**Last updated:** [September 29, 2024, 10:19pm UTC](https://discourse.processing.org/t/apde-processing-pdf/45104 "2024-09-29T22:19:53Z")

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hi there😀 I’m using APDE on my android tablet. I’m trying to run a sample sketch from the PDF Export library, but I’m getting an error that the library is not found. I clicked Manage Libraries-Get Library, it sent me …

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## [\[Ketai library bluetooth\] Can I know if it is connected?](https://discourse.processing.org/t/ketai-library-bluetooth-can-i-know-if-it-is-connected/45066)

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**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 4\
**Last updated:** [September 20, 2024, 8:29am UTC](https://discourse.processing.org/t/ketai-library-bluetooth-can-i-know-if-it-is-connected/45066 "2024-09-20T08:29:53Z")

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\[Ketai library bluetooth\] Can I know if it is connected? Hello. Nice to meet you. The reference source code is as follows. (Example code) http://ketai.org/examples/bluetoothcursors/ http://ketai.org/reference/net/ket…

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