Added by Soren Stoutner about 6 years ago. Updated almost 6 years ago.
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Description
This will disable screenshots and screen recording. The restriction will be disabled by default.
https://developer.android.com/reference/android/view/WindowManager.LayoutParams.html#FLAG_SECURE
https://developer.android.com/reference/android/view/Display.html#FLAG_SECURE
Also, not everything is disabled:
https://commonsware.com/blog/2016/06/06/psa-flag-secure-window-leaks.html
Should be specified before `setContentView()` to prevent screenshots in the recent list.
Bumped up due to user request. Also, it should be easy to implement.
I have changed my mind about the default. I think screenshots should be disabled by default (the most secure option).
Completely mitigating this issue would require invasive overwriting of code, and even then would not disable video recording of the keyboard, which is much more sensitive then the spinners and menus.
https://github.com/commonsguy/cwac-security/blob/master/docs/FLAGSECURE.md
When the screenshot setting is disabled, screenshots are not allowed if any part of Privacy Browser is showing. Videos also show black except for the options menu, spinners, and the keyboard.
Implemented in commit https://git.stoutner.com/?p=PrivacyBrowser.git;a=commitdiff;h=0a5d2eabceeafb49a957598538aa74d4f11dfce0.