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Screen capture permissions don’t update after calling setScreenCapture()

Last updated March 11th, 2024

Environment

  • Knox SDK
  • Devices running One UI 6.0

Overview

The setScreenCapture() method can be called to allow or restrict a user from taking screenshots on a device. If setScreenCapture() is disabled initially and later enabled, device users might encounter unexpected behaviour. Either the screenshot is blank or the following error is displayed:

This app doesn’t allow screenshots.

Note

This issue has been resolved in the One UI 6.1 release.

Cause

The setScreenCapture() method stores the state of the screen capture permission as a flag. For most devices running One UI 6.0, this flag doesn’t update properly, causing the issue.

Resolution

To resolve the issue, you or the device user must restart the affected device.

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