# Processing for Android

**URL:** https://discourse.processing.org/c/processing-android/12.md?no_subcategories=false&page=30

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

**Page:** 31

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## [Icons smaller than intended](https://discourse.processing.org/t/icons-smaller-than-intended/3084)

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**Author:** [@dtmr](https://discourse.processing.org/u/dtmr)\
**Replies:** 4\
**Last updated:** [August 29, 2018, 2:26pm UTC](https://discourse.processing.org/t/icons-smaller-than-intended/3084 "2018-08-29T14:26:31Z")

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When custom icons are placed in the sketch folder, the icons appear with padding (in circles) on the emulator - smaller than intended. See the example: The orange icon, icon-96.png, is a solid 96x96 pixel rectangle. What…

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## [Multiple PFragments in one Android app?](https://discourse.processing.org/t/multiple-pfragments-in-one-android-app/2981)

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**Author:** [@Pingas](https://discourse.processing.org/u/Pingas)\
**Replies:** 2\
**Last updated:** [August 26, 2018, 9:17am UTC](https://discourse.processing.org/t/multiple-pfragments-in-one-android-app/2981 "2018-08-26T09:17:22Z")

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So I see that I can export an Android Project and open it in Android studio. It runs just fine, however I would like to be able to switch back and forth between two PFragments, and I cannot for the life of me figure out …

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## [Linking my android device](https://discourse.processing.org/t/linking-my-android-device/2931)

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**Author:** [@ask](https://discourse.processing.org/u/ask)\
**Replies:** 3\
**Last updated:** [August 25, 2018, 4:55pm UTC](https://discourse.processing.org/t/linking-my-android-device/2931 "2018-08-25T16:55:44Z")

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hi! i am asking your about the help as i seem to go crazy soon. i try over and over again to connect my Lenovo device to the Processing but it always shows me that picture :

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## [Android - Writing Files over shared LAN folder](https://discourse.processing.org/t/android-writing-files-over-shared-lan-folder/2801)

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**Author:** [@KemyKo](https://discourse.processing.org/u/KemyKo)\
**Replies:** 0\
**Last updated:** [August 20, 2018, 7:33pm UTC](https://discourse.processing.org/t/android-writing-files-over-shared-lan-folder/2801 "2018-08-20T19:33:58Z")

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The title says everything. I want to create and read files from my phone to my pc. I created a folder in Documents/TestFolder Right Click -\> Properties-\>Share-\>Everyone(Read+Write). I am left with this: //192.168.0.94…

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## [APDE in Play Store](https://discourse.processing.org/t/apde-in-play-store/2402)

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**Author:** [@FurryNightShade](https://discourse.processing.org/u/FurryNightShade)\
**Replies:** 3\
**Last updated:** [August 12, 2018, 1:52am UTC](https://discourse.processing.org/t/apde-in-play-store/2402 "2018-08-12T01:52:30Z")

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Hello. I have Samsung Galaxy S8 and I downloaded Processing Android 4.0 directly from Play Store. My father has Galaxy S9 and Samsung Gear S3. When he downloaded Android Processing directly from Play Store, he got vers…

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## [Save 3d array to file inside Android](https://discourse.processing.org/t/save-3d-array-to-file-inside-android/1878)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 5\
**Last updated:** [August 9, 2018, 10:37pm UTC](https://discourse.processing.org/t/save-3d-array-to-file-inside-android/1878 "2018-08-09T22:37:16Z")

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Hi guys, I have a Boolean 3d array, I would like to save it on file and then be able to reload it inside the 3d array. I try to not use any library for this scope. The question is: after i produce a unique sequence of…

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## [Run library PixelFlow on Android](https://discourse.processing.org/t/run-library-pixelflow-on-android/2497)

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**Author:** [@Mixitsoft](https://discourse.processing.org/u/Mixitsoft)\
**Replies:** 0\
**Last updated:** [August 8, 2018, 11:07pm UTC](https://discourse.processing.org/t/run-library-pixelflow-on-android/2497 "2018-08-08T23:07:28Z")

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Can anyone run this project to android? https://github.com/diwi/PixelFlow/tree/master/examples/Fluid2D/Fluid\_WindTunnel I spent a weeks to find solution but nothing. after remove unuse function (eg. mouseButton) i got…

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## [Control P5 slowdown](https://discourse.processing.org/t/control-p5-slowdown/2250)

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**Author:** [@philspitler](https://discourse.processing.org/u/philspitler)\
**Replies:** 18\
**Last updated:** [August 7, 2018, 7:32pm UTC](https://discourse.processing.org/t/control-p5-slowdown/2250 "2018-08-07T19:32:07Z")

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I have a weird issue where my sketch gets slower and slower the more Control P5 buttons I have. This behavior only shows up in Android mode, it seems fine when running in Java on OSX. If you look at my code you will see…

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## [Minim - android, help with library](https://discourse.processing.org/t/minim-android-help-with-library/2407)

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**Author:** [@jvm](https://discourse.processing.org/u/jvm)\
**Replies:** 2\
**Last updated:** [August 7, 2018, 6:47am UTC](https://discourse.processing.org/t/minim-android-help-with-library/2407 "2018-08-07T06:47:25Z")

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Howdy, I’ve been trying to create a simple signal generator with Processing for Android. With non-android processing, minim has been awesome, however it cannot be used directly with android. There is an implementation …

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## [Line appearing after using strokeweight()](https://discourse.processing.org/t/line-appearing-after-using-strokeweight/2362)

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**Author:** [@Pumas210](https://discourse.processing.org/u/Pumas210)\
**Replies:** 2\
**Last updated:** [August 4, 2018, 10:41pm UTC](https://discourse.processing.org/t/line-appearing-after-using-strokeweight/2362 "2018-08-04T22:41:38Z")

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So whenever I run this code: int NUMBEROFCOLOURS = 4; int SMALL = 15; int MEDIUM = 30; int BIG = 45; int SHAPESIZE = MEDIUM; color CURRENTCOLOUR = color(0, 0, 0); color DEFAULTCOLOUR = color(0, 0, 0); color COLOUR1 = co…

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## [Automatic line change](https://discourse.processing.org/t/automatic-line-change/2342)

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**Author:** [@hugo](https://discourse.processing.org/u/hugo)\
**Replies:** 2\
**Last updated:** [August 4, 2018, 12:53pm UTC](https://discourse.processing.org/t/automatic-line-change/2342 "2018-08-04T12:53:33Z")

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Hello, While writing a little program on android processing, I encountered a problem ,I would like to know if it is possible to line up automatically when the text meets the right edge of the screen : void setup () { …

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## [Gyro/Accelerometer noise in VR?](https://discourse.processing.org/t/gyro-accelerometer-noise-in-vr/479)

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**Author:** [@Nasif](https://discourse.processing.org/u/Nasif)\
**Replies:** 6\
**Last updated:** [August 3, 2018, 2:42pm UTC](https://discourse.processing.org/t/gyro-accelerometer-noise-in-vr/479 "2018-08-03T14:42:26Z")

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Hello everyone! I’ve been really loving the VR in android mode, its really easy to use! However, I’m developing a little app and I noticed that when the phone is completely still, everything slowly moves/rotates to the …

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## [Android Filepath Issue](https://discourse.processing.org/t/android-filepath-issue/2118)

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**Author:** [@philspitler](https://discourse.processing.org/u/philspitler)\
**Replies:** 8\
**Last updated:** [July 31, 2018, 10:47pm UTC](https://discourse.processing.org/t/android-filepath-issue/2118 "2018-07-31T22:47:48Z")

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Hi, I have a Android Processing sketch that used to work a few years ago but I need to update it and can’t get it to run. It seems like there is a problem with having the path in the filename string but this used to work…

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## [Android MIDI sequencer with Processing interface](https://discourse.processing.org/t/android-midi-sequencer-with-processing-interface/1500)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 98\
**Last updated:** [July 31, 2018, 1:46am UTC](https://discourse.processing.org/t/android-midi-sequencer-with-processing-interface/1500 "2018-07-31T01:46:20Z")

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I’m developing a MIDI sequencer for Android devices, to create the graphic interface I obtained excellent results using the Processing framework inside Android Studio. Currently the sequencer is set up to control 16 ste…

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## [Get GSM signal strength](https://discourse.processing.org/t/get-gsm-signal-strength/2165)

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**Author:** [@shoaibmirza](https://discourse.processing.org/u/shoaibmirza)\
**Replies:** 3\
**Last updated:** [July 30, 2018, 1:28pm UTC](https://discourse.processing.org/t/get-gsm-signal-strength/2165 "2018-07-30T13:28:28Z")

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Hi. can anyone help to get GSM (SIM) signal strength on processing android mode I want to make an android app to display my network signal strength. thanks.

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## [Trig toggles by mouse-dragged / touch-moved](https://discourse.processing.org/t/trig-toggles-by-mouse-dragged-touch-moved/2162)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 0\
**Last updated:** [July 28, 2018, 10:51am UTC](https://discourse.processing.org/t/trig-toggles-by-mouse-dragged-touch-moved/2162 "2018-07-28T10:51:42Z")

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Hi! I trying to archive a kind of draw-mode on a matrix of toggles. The toggle class is originally made to be used within void mousePressed () I’m trying to convert the toggle to insert it into void touchMoved To als…

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## [Installation/Build Issues with .apk files](https://discourse.processing.org/t/installation-build-issues-with-apk-files/2125)

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**Author:** [@everythingability](https://discourse.processing.org/u/everythingability)\
**Replies:** 4\
**Last updated:** [July 28, 2018, 7:38am UTC](https://discourse.processing.org/t/installation-build-issues-with-apk-files/2125 "2018-07-28T07:38:03Z")

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Hello, I can create and run an Android processing app on my phone when attached via USB… It seems to “stay” on my phone. (Top tip. I have seen LOTS of people complaining about their app not compiling because of icon is…

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## [OpenGL Renderer issue](https://discourse.processing.org/t/opengl-renderer-issue/2033)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 2\
**Last updated:** [July 24, 2018, 1:16pm UTC](https://discourse.processing.org/t/opengl-renderer-issue/2033 "2018-07-24T13:16:49Z")

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Hello everyone, I find a problem on android mode with renderers: On: Processing 3.3.7 Max OSX 10.13.5 Samsung S7 Android 8.0.0 void setup(){ fullScreen(P2D); } void draw(){} I get this error on the consolle with th…

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## [Processing Android Problems](https://discourse.processing.org/t/processing-android-problems/1553)

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**Author:** [@imaginativeCODE](https://discourse.processing.org/u/imaginativeCODE)\
**Replies:** 6\
**Last updated:** [July 23, 2018, 1:46pm UTC](https://discourse.processing.org/t/processing-android-problems/1553 "2018-07-23T13:46:01Z")

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I am having a problem with processing android it won’t display onto the phone i have done all the steps to display it but i think the problem is coming from that processing android only runs android 8.0 phones is there a…

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## [Emulator selection](https://discourse.processing.org/t/emulator-selection/1938)

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**Author:** [@kfrajer](https://discourse.processing.org/u/kfrajer)\
**Replies:** 1\
**Last updated:** [July 21, 2018, 8:51pm UTC](https://discourse.processing.org/t/emulator-selection/1938 "2018-07-21T20:51:41Z")

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@codeanticode Hi Andres, Is it possible to select an emulator in the PDE instead of the default one or this can only be done in AS? I also notice that the emulator never shows up under the device listing in the PDE men…

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## [Scaling to be the same size on every phone](https://discourse.processing.org/t/scaling-to-be-the-same-size-on-every-phone/1945)

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**Author:** [@CrispyCabot](https://discourse.processing.org/u/CrispyCabot)\
**Replies:** 1\
**Last updated:** [July 21, 2018, 10:15am UTC](https://discourse.processing.org/t/scaling-to-be-the-same-size-on-every-phone/1945 "2018-07-21T10:15:16Z")

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Ok I’m just struggling to do this. So I know it will involve displayDensity but I either don’t understand how this is documented or I’m doing something wrong. So I created my app on a 441 dpi screen-displayDensity value …

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## [APK signing advice](https://discourse.processing.org/t/apk-signing-advice/1935)

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**Author:** [@shedMusic](https://discourse.processing.org/u/shedMusic)\
**Replies:** 2\
**Last updated:** [July 21, 2018, 10:07am UTC](https://discourse.processing.org/t/apk-signing-advice/1935 "2018-07-21T10:07:44Z")

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Just trying to figure out options for apk signing. Should I have different keys for different apps? The way this seems to be set up is to ask to create a keystore the first time round and then after that to just enter t…

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## [Is it possible to load 400 photos of total size 85MB on android mode?](https://discourse.processing.org/t/is-it-possible-to-load-400-photos-of-total-size-85mb-on-android-mode/1804)

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**Author:** [@Yorgos](https://discourse.processing.org/u/Yorgos)\
**Replies:** 11\
**Last updated:** [July 17, 2018, 7:07pm UTC](https://discourse.processing.org/t/is-it-possible-to-load-400-photos-of-total-size-85mb-on-android-mode/1804 "2018-07-17T19:07:14Z")

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Hi. Is it possible to load 400 photos of total size 85 MB on android mode? The maximum number of photos I have managed to load is 90 pictures of total size 20 MB. If I load more I get “FATAL EXCEPTION: Animation Threa…

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## [How to keep the screen awake](https://discourse.processing.org/t/how-to-keep-the-screen-awake/1601)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 4\
**Last updated:** [July 9, 2018, 7:14am UTC](https://discourse.processing.org/t/how-to-keep-the-screen-awake/1601 "2018-07-09T07:14:46Z")

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Hi! I would like to ask how I can keep the screen awake while I use my application inside Android, I found different solutions all out of dated. Thanks

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## [\[Android\] Detect Pinch Gestures](https://discourse.processing.org/t/android-detect-pinch-gestures/1599)

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**Author:** [@l-winston](https://discourse.processing.org/u/l-winston)\
**Replies:** 1\
**Last updated:** [July 8, 2018, 9:00pm UTC](https://discourse.processing.org/t/android-detect-pinch-gestures/1599 "2018-07-08T21:00:06Z")

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I want to be able to detect if the user is pinching/spreading on an android app. How can I do this?

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## [Saving Data on Web-Online Service](https://discourse.processing.org/t/saving-data-on-web-online-service/1574)

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**Author:** [@martinstacey](https://discourse.processing.org/u/martinstacey)\
**Replies:** 1\
**Last updated:** [July 8, 2018, 8:21am UTC](https://discourse.processing.org/t/saving-data-on-web-online-service/1574 "2018-07-08T08:21:53Z")

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Hello, I am making a simple app, it inputs user information (name, age, etc.) and stores it in a .csv table is there a way to export that data to a place online? (google drive, dropbox, anywhere were I can access it f…

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## [Android Mode Midi - Tutorial request](https://discourse.processing.org/t/android-mode-midi-tutorial-request/539)

<div class="topic-metadata">

**Author:** [@sensn](https://discourse.processing.org/u/sensn)\
**Replies:** 6\
**Last updated:** [July 5, 2018, 9:20am UTC](https://discourse.processing.org/t/android-mode-midi-tutorial-request/539 "2018-07-05T09:20:04Z")

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Hi, I’m looking for a tutorial about Midi in Android mode. The Sensor Tutorial on Processing for Android is great, so something like that for android.media.midi would be really really helpful. Unfortunatly I couldn’t f…

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## [Convert a button class for multi touch](https://discourse.processing.org/t/convert-a-button-class-for-multi-touch/1504)

<div class="topic-metadata">

**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 2\
**Last updated:** [July 5, 2018, 4:53am UTC](https://discourse.processing.org/t/convert-a-button-class-for-multi-touch/1504 "2018-07-05T04:53:47Z")

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Hello to all, i try to convert this class to obtain a multi touch possibility inside android, to pass from mousePressed, mouseX and MouseY to Touches array. Actually it is visible only when the screen is touched. Im un…

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## [Android SeekBar (slider)](https://discourse.processing.org/t/android-seekbar-slider/1245)

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**Author:** [@noel](https://discourse.processing.org/u/noel)\
**Replies:** 21\
**Last updated:** [July 5, 2018, 4:36am UTC](https://discourse.processing.org/t/android-seekbar-slider/1245 "2018-07-05T04:36:46Z")

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Hi. I am trying to implement a java SeekBar programmatically in my sketch but without any success. Untill now I have the code below, but giving a lot of errors starting with “The constructor SeekBar(seekbar) is undefin…

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## [Perspective() in VR mode](https://discourse.processing.org/t/perspective-in-vr-mode/519)

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**Author:** [@Nasif](https://discourse.processing.org/u/Nasif)\
**Replies:** 4\
**Last updated:** [June 27, 2018, 2:45pm UTC](https://discourse.processing.org/t/perspective-in-vr-mode/519 "2018-06-27T14:45:08Z")

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Hello everyone! I’m currently working on a VR project in which I am trying to simulate a camera. One of the things I want to simulate is zooming in and out. I first thought simply changing the fov in perspective() was t…

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