I guess that would explain the difficulties some apps face without push notifications and releasing APKs. These big companies want you to rely on their systems. Signal was pushing their app through play store. I don’t know if an equivalent exists, but it really needs to. We need this, combined with f-droid, so we don’t have to use spyware like the Play Store.
Use Molly, its a hardened version of signal app without push notification. It uses locally notifications.
Use Molly
And wind up dehydrated in jail again?
What’s a little dehydration and imprisonment when you can have that afterglow, though
Whoah, roll in grass, dude
We’re rollin’ grass now, too?
Tall grass is very cool if you’re feeling hot and dehydrated
I understand eating it is good for an upset stomach, if a friend of mine who licks his own ass is too be believed.
Doesn’t do us much good inside a jail cell, tho.
I’ll bring the blow pops, who’s got the Vicks?
I’ll bring the blow pops
Not only am I not your pops, you really shouldn’t mix those.
What is that supposed to mean? Is it a reference to something?
drug joke, I think
You can have push notifications, right now there’s a unified push fork on the same Molly F-droid repository
Signal does in fact distribute an APK that isn’t dependant on Play Services/FCM on their website. Uses a websocket, so not the most elegant way I guess, but oh well.
It’s rather hidden, which I think is disappointing. But it exists. Updates itself, too.
Just don’t use push, almost all of the privacy respecting apps have their own notifications
And also, there’s ntfy for some (hope to be more widespread)
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For android, Google uses Firebase Cloud Messaging, basically a server that pings the phone when a notification for an app is available, which wakes the app up to receive the notification. There are alternatives but they need to be adopted by app devs for them to work.
For people running a degoogled android, they’ll notice most apps won’t receive any notifications until they open the apps since most apps rely on Google Play Services to receive a ping from FCM.
I don’t have any google play services so most of my apps don’t give me push notifications but I do have WhatsApp installed and that still receives notifications, they’re sometimes delayed by a few minutes which makes me think Meta have their own implementation/alternative to FCM but I’m not sure.
For Signal, their servers tell Googles FCM servers that you have notifications waiting on Signals servers and to wake up your Signal app so it can communicate with Signals servers to receive your messages.
WhatsApp and Signal claim/have end-end encryption on their messages but that shouldn’t matter when specifically looking at Googles FCM servers so, at most it would be meta data that could be obtained from the FCM servers.
https://jami.net/unifiedpush/ has a pretty basic explanation of push notifications on android and also showcases an alternative to FCM https://unifiedpush.org/ which has a nice little diagram about push notifications on android. Unfortunately, Unifiedpush is not widely adopted by many applications.
So there are ways to avoid Googles FCM servers on android using Unifiedpush or always having the application on in the background but for the most part FCM is used.
Never had issues with Element, Fair Email, Silence notifying me? I run LineageOS without Play.
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I’m pretty sure Element stays active in the background, it may have asked you to turn off battery optimisation and have a silent notification always active. This decreases battery life which is why most apps don’t do this but it allows the app to constantly ping the server to check for new messages and is one way around using FCM.
Fair email uses https://en.m.wikipedia.org/wiki/IMAP_IDLE instead of FCM, I’m no expert and this is just my guess but it seems to also need the app to run in the background for this to work.
Silence is SMS and MMS only and so doesn’t use internet and so has no need for FCM or any alternative anyway
Right, yes, they do ask to disable battery optimization.
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Curious about this too. From what I could find, for those it seems like the push is being used to wake up the app and tell it to connect to the server where it grabs the data and then creates the notification locally. Even if a bare minimum is used there is room for traffic analysis, and I imagine Google can easily tell the app being targeted for the push, but it shouldn’t mean the contents of the displayed notification are necessarily what was sent through the server. It’s hard to find info without digging because consumer-facing stuff just calls every notification a push notification.
The alternative is an app keeping a constant connection open to the server, which understandably mobile OSs don’t like. With push only the one service needs to keep an open connection to provide updates for all the apps.
