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Android 6.0.1 - only ZXingScannerView library White screen appears when scanning qr code

When I install the application using the ZXingScannerView library, I got an unexpected white screen instead of a camera preview.

PS permission to show for the camera is guaranteed to open the camera from the registration screen before switching to qr scree, and I tried to open it from the settings. Work on dissertations does not work.

Samsung Galaxy S6 OS: Android 6.0.1

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Source: https://habr.com/ru/post/1673302/

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