# Ketai camera problem (Sequal to "Merging two pictures")

**URL:** <https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906>\
**Category:** Processing for Android\
**Created:** [October 26, 2018, 7:18pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906 "2018-10-26T19:18:15Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Odermonicon](https://avatars.discourse-cdn.com/v4/letter/o/96bed5/32.png) [@Odermonicon](https://discourse.processing.org/u/Odermonicon)\
**Post date:** [October 26, 2018, 7:18pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/1 "2018-10-26T19:18:15Z")

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I’m displaying the camera on the screen but the screen appears white.

> **Code**
>
> Code:
> 
> ```auto
> import ketai.camera.*;
> import ketai.cv.facedetector.*;
> import ketai.data.*;
> import ketai.net.*;
> import ketai.net.bluetooth.*;
> import ketai.net.nfc.*;
> import ketai.net.nfc.record.*;
> import ketai.net.wifidirect.*;
> import ketai.sensors.*;
> import ketai.ui.*;
> 
> private KetaiCamera cam;
> private KetaiSensor snsr;
> 
> float rx, ry;
> PGraphics FP;
> 
> void setup() {
> fullScreen();
> orientation(PORTRAIT);
> FP = createGraphics(1080,1920);
> FP.beginDraw();
> FP.background(0);
> FP.endDraw();
> cam = new KetaiCamera(this, 1080, 1920, 60);
> snsr = new KetaiSensor(this);
> cam.start();
> cam.setCameraID(0);
> snsr.start();
> }
> 
> void draw() {
> //FP.beginDraw();
> //image(FP, 0, 0, 1080, 1920);
> //if (cam.isStarted()) {
> // FP.image(cam, rx, ry, 108, 192);
> //}
> //FP.endDraw();
> image(cam,0,0);
> }
> 
> void onOrientationEvent(float x, float y, float z) {
> rx = x;
> ry = y;
> }
> 
> void onCameraPreviewEvent() {
> cam.read();
> }
> 
> ```

> **MCVE**
>
> ```auto
> import ketai.camera.*;
> private KetaiCamera cam;
> 
> void setup() {
> cam = new KetaiCamera(this, 1080, 1920, 60);
> cam.start();
> }
> 
> void draw() {
> image(cam,0,0);
> }
> 
> void onCameraPreviewEvent() {
> cam.read();
> }
> 
> ```

Error:  
Failed to open camera for camera ID: 0:Fail to connect to camera service

---

<div class="post-metadata">

**Author:** ![akenaton](https://avatars.discourse-cdn.com/v4/letter/a/a88e4f/32.png) [@akenaton](https://discourse.processing.org/u/akenaton)\
**Post date:** [October 27, 2018, 8:57am UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/2 "2018-10-27T08:57:36Z")

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@Odermonicon===

Are you using the last version from Ketai???  
I had this error 2 or 3 years ago

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<div class="post-metadata">

**Author:** ![Odermonicon](https://avatars.discourse-cdn.com/v4/letter/o/96bed5/32.png) [@Odermonicon](https://discourse.processing.org/u/Odermonicon)\
**Post date:** [October 27, 2018, 3:57pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/3 "2018-10-27T15:57:27Z")

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I’m using v14 and I realized in “Sketch Permissions” “CAMERA” Was ticked off, I will try to tick that.

PS: that did nothing.

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<div class="post-metadata">

**Author:** ![akenaton](https://avatars.discourse-cdn.com/v4/letter/a/a88e4f/32.png) [@akenaton](https://discourse.processing.org/u/akenaton)\
**Post date:** [October 27, 2018, 5:23pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/4 "2018-10-27T17:23:28Z")

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@Odermonicon===

add permission on runtime by code, not in the Manifest.

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<div class="post-metadata">

**Author:** ![Odermonicon](https://avatars.discourse-cdn.com/v4/letter/o/96bed5/32.png) [@Odermonicon](https://discourse.processing.org/u/Odermonicon)\
**Post date:** [October 28, 2018, 1:46pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/5 "2018-10-28T13:46:54Z")

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A

So how?

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<div class="post-metadata">

**Author:** ![akenaton](https://avatars.discourse-cdn.com/v4/letter/a/a88e4f/32.png) [@akenaton](https://discourse.processing.org/u/akenaton)\
**Post date:** [October 28, 2018, 5:03pm UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/6 "2018-10-28T17:03:59Z")

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@Odermonicon====

this question was already answered in this forum or in the previous one. Have a look!

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<div class="post-metadata">

**Author:** ![Odermonicon](https://avatars.discourse-cdn.com/v4/letter/o/96bed5/32.png) [@Odermonicon](https://discourse.processing.org/u/Odermonicon)\
**Post date:** [November 25, 2018, 5:51am UTC](https://discourse.processing.org/t/ketai-camera-problem-sequal-to-merging-two-pictures/4906/7 "2018-11-25T05:51:44Z")

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Oops should have closed the fourum by now…