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Tracker is null after initTracker()

August 1, 2019 - 10:08am #1

Hi,

first of all i am pretty new to the Vuforia world. I am trying to write my first vuforia-android app with it, but i ran into some issues. 

 

My application follows the flow defined in: 

https://library.vuforia.com/content/vuforia-library/en/reference/java/index.html

 

My problem is that 

(ObjectTracker) TrackerManager.getInstance().initTracker(ObjectTracker.getClassType());

is always null. I tried it on 2 different devices, which were able to run the Vuforia samples app without any problems. 

I checked, CameraDevice.getInstance().init() was not called at this state, also I have not initialized any other trackers. 

 

Is there any reason why this does not work?

Any input is appreciated. 

 

Geetings, Roli

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