proninyaroslav / blink-comparison

Simplifies comparing photos of tamper-evident seals and patterns using your eyes
GNU General Public License v3.0
247 stars 26 forks source link

Add support for blocking screenshots from being taken #17

Open grrrrr opened 2 years ago

grrrrr commented 2 years ago

I am aware that this is not a perfect privacy solution and there are ways around it but it would be useful to have Blink Comparison block the ability to take screenshots.

While the risks / concerns of someone remotely taking a screenshot of Blink Comparison on most peoples devices phone are low there are still users who are high risk, it is a possibility that some malware is setup to take screenshots of open apps. Given the nature of Blink Comparison, being able to take screenshots could allow an aggressor the information needed to surreptitiously tamper with a device.

Additionally with screenshots blocked, switching apps would result in you seeing Blink Comparison is your list of open apps but not seeing the screen it's contents

My suggestion would be to add a toggle allowing users to opt-in to this feature.

Some apps that do that have this option if examples/comparison is needed

proninyaroslav commented 2 years ago

Good suggestion.