# problem in: vtk Android Render Window Interactor

**URL:** https://discourse.vtk.org/t/problem-in-vtk-android-render-window-interactor/10167
**Category:** Support
**Created:** [December 12, 2022, 4:14pm UTC](https://discourse.vtk.org/t/problem-in-vtk-android-render-window-interactor/10167 "2022-12-12T16:14:58Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![perphy](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/p/958977/32.png) [@perphy](https://discourse.vtk.org/u/perphy)
#### Post date: [December 12, 2022, 4:14pm UTC](https://discourse.vtk.org/t/problem-in-vtk-android-render-window-interactor/10167/1 "2022-12-12T16:14:58Z")

</div>

Hi:

I am using vtk9.2.2 to run the official android example  
[https://gitlab.kitware.com/vtk/vtk/-/tree/master/Examples/Android/NativeVTK](https://gitlab.kitware.com/vtk/vtk/-/tree/master/Examples/Android/NativeVTK)  
I meet an error in logcat

 ![Capture](https://discourse.vtk.org/uploads/default/original/2X/3/35d72ff26ea2516bc98d21fda227bac014b61839.png)  
I locate the source file that  
 ![Capture](https://discourse.vtk.org/uploads/default/original/2X/8/8378737c7ad3739048d527373ad81bae7d7d96f1.png).  
How can I solve it?

Thanks!