You might sideload an Android app, or manually install its APK package, if you’re using a custom version of Android that doesn’t include Google’s Play Store. Alternately, the app might be experimental, under development, or perhaps no longer maintained and offered by its developer. Until now, the existence of sideload-ready APKs on the web was something that seemed to be tolerated, if warned against, by Google.

This quiet standstill is being shaken up by a new feature in Google’s Play Integrity API. As reported by Android Authority, developer tools to push “remediation” dialogs during sideloading debuted at Google’s I/O conference in May, have begun showing up on users’ phones. Sideloaders of apps from the British shop Tesco, fandom app BeyBlade X, and ChatGPT have reported “Get this app from Play” prompts, which cannot be worked around. An Android gaming handheld user encountered a similarly worded prompt from Diablo Immortal on their device three months ago.

Google’s Play Integrity API is how apps have previously blocked access when loaded onto phones that are in some way modified from a stock OS with all Google Play integrations intact. Recently, a popular two-factor authentication app blocked access on rooted phones, including the security-minded GrapheneOS. Apps can call the Play Integrity API and get back an “integrity verdict,” relaying if the phone has a “trustworthy” software environment, has Google Play Protect enabled, and passes other software checks.

Graphene has questioned the veracity of Google’s Integrity API and SafetyNet Attestation systems, recommending instead standard Android hardware attestation. Rahman notes that apps do not have to take an all-or-nothing approach to integrity checking. Rather than block installation entirely, apps could call on the API only during sensitive actions, issuing a warning there. But not having a Play Store connection can also deprive developers of metrics, allow for installation on incompatible devices (and resulting bad reviews), and, of course, open the door to paid app piracy.

  • IllNess@infosec.pub
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    2 months ago

    There are Linux phones available. I,m going to guess popularity of those devices to increase soon.

    • Snot Flickerman@lemmy.blahaj.zone
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      2 months ago

      That was the hope with Android, too.

      The problem is that as the OS is “free” that means it costs less functionally for the device manufacturer to get an OS on the device, so now they can pour more money into bloatware.

      Android was supposed to stop bloatware but all it did was enable it.

      Even without a forced “store” Linux is prey to the same issue of piecemeal support from various vendors all with in-house solutions that all stink.

      • doctortran@lemm.ee
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        2 months ago

        At this point, even that would be preferable.

        Your right, any open platform will be bastardized eventually, but that doesn’t mean there isn’t still a need for “resets”.

        There is no perfect platform for escaping it, because the market forces will always adapt and assimilate. The only true escape is to keep moving.

        That’s why it’s important for users to be hermit crabs, and move to the next thing, no matter how janky, because they will at least be able to influence it positively and have a relatively open platform for a number of years. Then the cycle repeats.

        If propping up Linux phones will get us the open platform we need, even if only temporarily, we should do it.

        The issue I think is that the current trends in all consumer software are increasingly user hostile, and the major platforms are creating ecosystems to support this. It’s become the norm now to be able to directly control the usage of the software on consumer devices. Apple has normalized this, Google and Microsoft followed.

        At what point will developers refuse to even create software for a system that doesn’t allow them that control?

        Look at how many developers out there absolutely jerk themselves raw at the idea they should be able to compel users to update to continue using their software. Look at how many believe the modern security culture fallacy that handcuffing users and throwing away the key is the only way to protect them.

        It’s a development culture issue. Respecting user control of their own device is no longer in vogue.

    • Vik@lemmy.world
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      2 months ago

      As much as I want that to be the case, I don’t think full mobile gnu+Linux is really ready to use daily?

      I haven’t exactly been keeping up with things, mind you

      • timbuck2themoon@sh.itjust.works
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        2 months ago

        I sub to a few mobile Linux feeds and I want but don’t at all think mobile Linux is ready, even for tech devotees. Too battery hungry, not enough ease of use, missing functions, etc. And that’s not including lack of apps.

        Sailfish gets closest so far I think. But yes, not ready. Ubuntu touch last time I tried is fine but still a bit out of sorts.

      • IllNess@infosec.pub
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        2 months ago

        Yes. I think a huge issue is Linux doesn’t handle other app activities like how Android’s Intent or Broadcast does.

      • klymilark@scribe.disroot.org
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        22 days ago

        I used it as my daily phone for months, and… well, I’m willing to deal with the problems. Without pretty careful battery management it’s not feasible, and it’s hard to manage your battery given the glitches. I often found my phone dead after a couple hours because it woke the screen immediately after I locked it because… reasons, and then kept it awake until the battery died. The biggest issue aside stuff like that (small issues that cause big problems), the biggest issue was I couldn’t get a map app working. There are some distros with working maps, none for my phone. Also call quality was horrendous. Like. I’m known for being able to tolerate bad quality, but this was, at times, about as bad as I remember my firefly phone being when I was 12, and I could not feasibly understand people at times with that thing.

        But the only reason I stopped using it was because the wifi isn’t working on it. Once I get that back up and running I’ll likely switch back to it. As bad as it can be at times, I still feel more comfortable having that as my primary phone than my Android.

      • kspatlas@lemm.ee
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        2 months ago

        Just a note, one of if not the most popular mobile Linux distro is PostmarketOS, which is not GNU (it’s based on Alpine)

        • Vik@lemmy.world
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          2 months ago

          Good to know, that’s not the one I had in mind, however.

          For whatever reason I thought PMOS was based on Manjaro. Could be something as silly as associating one green logo with another.

    • MrLLM@ani.social
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      2 months ago

      I,m going to guess popularity of those devices to increase soon.

      I don’t want to be pessimistic about it, however I think it’s gonna be like Windows: enshittification will happen, but inconvenience is “too small” for people that they’ll rather check for a workaround than leave the platform.

      My guess is that we need something more appealing like the Steam Deck to make people take the step.

      • IllNess@infosec.pub
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        2 months ago

        My guess is that we need something more appealing like the Steam Deck to make people take the step.

        Hear me out! The Steam Phone®!

        • 5714@lemmy.dbzer0.com
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          2 months ago

          Steam’s UI is tolerable, but inconsistent. In a SteamDeck, OK, but in a phone? Idk.

          I get that this isn’t meant that seriously.

      • vividspecter@lemm.ee
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        2 months ago

        I’d be happy with 2010 era desktop Linux level of support. It doesn’t need to get everybody to switch, just needs to be good enough for my needs.

    • Dizzy Devil Ducky@lemm.ee
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      2 months ago

      Sadly the only people who would switch over to an actual Linux phone would be the people like the stereotypical Linux using Lemmy user. The average android user would just continue on like nothing happened because they’re not tech literate enough to know what’s going on or why they should care.

    • helenslunch@feddit.nl
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      2 months ago

      Linux isn’t even popular on desktop. No way a mobile version becomes popular without some massive shifts in Linux ideology and culture.

    • namingthingsiseasy@programming.dev
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      2 months ago

      But part of the appeal of Linux is the fact that you can repurpose existing computers running other OSes to run Linux instead. This is a great way to lower the barrier to entry for Linux, because it’s easy to test it on a Live USB or a dual boot. It’s much harder to do this on phones because they have locked bootloaders.

      Another problem is that phones are not productivity devices - they’re consumption devices. Maybe this is just my personal bias, but I don’t think people will be as passionate about liberating their phones because they’re inherently less useful than computers. Convenient, yes, but useful? Not as much.

      That said, I would love to be proven wrong. I would definitely consider a Linux phone if they become more popular/useful, but I can’t really justify spending hundreds of euros/dollars on something for which I don’t see any particular use.

    • XTL@sopuli.xyz
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      2 months ago

      There aren’t, really. There are a few antiques and half baked things.

      A big problem is that these days, unless you’re the size of Apple or Samsung, it’s impossible to get a reasonable hardware soc and modem other than one which only runs a soon obsolete blob laden android which is going to be EOL before you’ve even finished your design.

      The hardware is not there. The firmware/hw data/platform isn’t there even to begin OS work with. And there’s a global shipping, regulation and mobile operator hell waiting on the other side. And a product lifecycle that’s only a few years long.

      Yes, I’ve worked for phone manufacturers.