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DllNotFoundException: ARX #13

d7aniel opened this Issue Nov 9, 2018 · 3 comments


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d7aniel commented Nov 9, 2018

Hello, I know the is a similar issue but mine is different. I downloaded the released package of arunityx, imported it open a example scene and when I try to build the program that error pops up.

I will copy the full error.

DllNotFoundException: ARX
PluginFunctionsARX.arwInitialiseAR (Int32 pattSize, Int32 pattCountMax) (at Assets/artoolkitX-Unity/Scripts/PluginFunctionsARX.cs:102)
ARController.InitializeAR () (at Assets/artoolkitX-Unity/Scripts/ARController.cs:400)
ARController.StartAR () (at Assets/artoolkitX-Unity/Scripts/ARController.cs:575)
ARController.UpdateAR () (at Assets/artoolkitX-Unity/Scripts/ARController.cs:748)
ARController.Update () (at Assets/artoolkitX-Unity/Scripts/ARController.cs:474)

I don't know where that dll should be, so i can't see if it's there. Am i missig something? did I do something wrong?

I'm building it for android.

By the way I did the same thing with arunity5 and it works fine-ish, it have that long time black screen problem because of the camera calibration so I would really like to be able to use arunityx. Thanks for the help.


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d7aniel commented Nov 11, 2018

I make it work by this method.

  1. download and import the package for unity
  2. download de realease for windows
  3. go to theProjectFolder\Assets\Plugins\x86_64 and erase the ARX.dll
  4. in the same folder copy the bin folder the is inside the Sdk folder in the windows release

Note: I also had to downgrade the Android Sdk tools to 25.2 by downloiding and copying them in the Sdk location, you can find it in the preference of unity.


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philip-lamb commented Nov 27, 2018

Hmm, I guess you're building for Android on Windows, but for some reason the ARX.dll for Windows is corrupted in the release package. I'll have a look into this.


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marcspraragen commented Feb 28, 2019

Thanks, I had a similar issue building for Unity editor (ARX.dll not found). It looks like the SDK folder in artoolkitx/artoolkitx is empty.

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