after reading this i did eventually learn that there is app pinning on android (or atleast grapheneos?) ! did not know about this might come in handy.

Tap Security & Privacy > More security & privacy > App pinning. After that is enabled, if you want to pin an app, open it, swipe up into the recent-apps view, tap the icon of the app above the preview pane, and select “Pin”. The feature is buried a bit. I believe this is because it’s more of a best-effort protection. The settings page itself says: "When an app is pinned, the pinned app may open other apps and personal data may be accessible. If you want to securely share your device with someone, try using a guest user instead.

  • dev_null@lemmy.ml
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    6 hours ago

    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.

    • unglueclass23@programming.devOP
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      5 hours ago

      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.

      Good to know. I use Fossify Gallery, don’t think they have this.

  • cRazi_man@europe.pub
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    8 hours ago

    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.

  • SacredHeartAttack@lemmy.world
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    8 hours ago

    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.