I played around a lot with pinning apps protect the rest of the phone from my son when he wanted to use an app. My genius of a son somehow always found a way around and managed to access other parts of the phone (Samsung). I never relied on app pinning as rock solid security.
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Not just GrapheneOS. Any Android phone has app pinning.
And for the camera roll problem. I use Ente Photos and the app has that. You can select a range of photos and tap "guest mode". Then trying to scroll outside the selected photos requires to unlock the phone.
iOS features a password or biometric lock protected “hidden” photo album. Photos placed there don’t show up anywhere else as far as I can tell. I haven’t find any type of app lock yet, but I would think it does exist somehow, as other features can be accessed and used while the phone itself is locked. My point is the ideas mentioned are all easily implemented, and should be more obvious and ubiquitous.
Back in them good ol days Android was actually multi user, like any other Unix. I had it working on some old stock Android, I recall.
I would be surprised if it still worked 😅

So...app pin?
I've used Android since the dawn of time, and i never knew this feature existed! Thanks! I work in IT so this will be helpful if I need to use a work app and hand my phone to someone else. Idk how I missed this feature for so many years.
Yeah. I believe it has a different name on iOS, but they both have the feature.
A really nice feature would be a hardware button triggering this mode!
And I think iOS literally lets you configure the button on the side of the phone to enable this mode by quickly pressing it three times or something like that.
The way the article talks about it, it is literally just app pinning. They also suggest only allowing guests to see select photos in your gallery when handing your phone which seems like more effort than its worth. Maybe just show your photos to people you trust?
fossify gallery allows to, hide photos and albums and to put a password on hidden item visibility. (other apps probably allow for similar use cases)
together with the app pinning that would be enough no?
Oh wow, that's awesome! It's on my phone and available. I have no use for it currently, but it's good to know it exists...

for fellow Samsung users...
Isn't this AOSP? Have it on pixel
This is neat, i didn't know about it.
The article gives the example, though, of giving your phone to someone you specifically dont trust. The most dramatic example is an insurance card or ID to the police when you get pulled over. The best answer there is just dont ever do it.
This pin setting says the security on it is pretty weak and to not give it to people you dont trust.
Literally both of these things already exist.
Android example already posted, but for iOS:
I have a couple extra users on grapheneOS, so I can allow students to take pictures, listen to music, etc.
Looking now, app pinning is also available here too, so I will set that up aswell
it always takes me so long to write a blog post, and this person does it instead of doing one google search...



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