# Problem with release APK (android app) use OpenCV cam and android studio

**URL:** https://forum.opencv.org/t/problem-with-release-apk-android-app-use-opencv-cam-and-android-studio/3407
**Category:** Android/Java
**Created:** [May 19, 2021, 7:31am UTC](https://forum.opencv.org/t/problem-with-release-apk-android-app-use-opencv-cam-and-android-studio/3407 "2021-05-19T07:31:51Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![11113](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/11113/32/2138_2.png) [@11113](https://forum.opencv.org/u/11113)
#### Post date: [May 19, 2021, 7:31am UTC](https://forum.opencv.org/t/problem-with-release-apk-android-app-use-opencv-cam-and-android-studio/3407/1 "2021-05-19T07:31:51Z")

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hey i developed app on android studio and opencv that use the front camera.  
the app work well when just compile it from the android studio.

the problem is then i make release APK for play store  
when i go into the camera option in my app i get black screen  
there is a different behavior after the release APK

what can be the problem? and how I can fix it?  
thank