# Ketai camera not working
**URL:** https://discourse.processing.org/t/ketai-camera-not-working/24026
**Category:** Processing for Android
**Created:** [September 22, 2020, 10:19am UTC](https://discourse.processing.org/t/ketai-camera-not-working/24026 "2020-09-22T10:19:51Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@JoLi](https://discourse.processing.org/u/JoLi)
#### Post date: [September 22, 2020, 10:19am UTC](https://discourse.processing.org/t/ketai-camera-not-working/24026/1 "2020-09-22T10:19:51Z")
Hi,
I wanted to use ketaicam in APDE, but it doesn’t work
I gave camera permission,but I always get the error
"
java.lang.NoClassDefFoundError: Failed resolution of: Lketai/camera/KetaiCamera;
at processing.test.sketch\_20200922a.sketch\_20200922a.setup(sketch\_20200922a.java:26)
at processing.core.PApplet.handleDraw(PApplet.java:1801)
at processing.core.PSurfaceNone.callDraw(PSurfaceNone.java:471)
at processing.core.PSurfaceNone$AnimationThread.run(PSurfaceNone.java:503)
Caused by: java.lang.ClassNotFoundException: Didn’t find class “ketai.camera.KetaiCamera” on path: DexPathList[[dex file “/data/user/0/com.calsignlabs.apde.sketchpreview/files/sketch.dex”],nativeLibraryDirectories=[/system/lib, /system/vendor/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:125)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
"
My code : import ketai.camera.\*;
KetaiCamera cam;
void setup()
{
orientation(LANDSCAPE);
cam = new KetaiCamera(this, 1280, 768, 30);
imageMode(CENTER);
}
void draw()
{
if (cam.isStarted()) image(cam, width/2, height/2);
}
void onCameraPreviewEvent()
{
cam.read();
}
void mousePressed()
{
if (cam.isStarted())
{
cam.stop();
}
else cam.start();
}
---
### Author:  [@JoLi](https://discourse.processing.org/u/JoLi)
#### Post date: [September 22, 2020, 10:21am UTC](https://discourse.processing.org/t/ketai-camera-not-working/24026/2 "2020-09-22T10:21:01Z")
APDE version 0.5.1, Ketai ver. 14, on moto g5