Error: cannot find symbol variable GL_TEXTURE_EXTERNAL_OES + OpenCV on Android Studio

I am starting to develop an Opencv application on Android. I have two errors when compiling an OpenCV sample (15 puzzles) on Android:
1. error: cannot find the GL_TEXTURE_EXTERNAL_OES symbol variable
2. error: the android.hardward.camera2 package does not exist .

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2 answers

Change the version of the SDK to compile and create tools to the last , but on the opencv module in the project structure.

configuration project structure

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Source: https://habr.com/ru/post/1673217/


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