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Use flatpak if possible
The thing about snaps and app image is they are containerized. The idea behind that is to help keep the apps separate from the main file subsystem by sandboxing them from each other as well as not cluttering your hdd with different versions of the same libraries to make them work.
Because of the sandboxing, once you close the app it stops running in the background therefore there is nothing to get notifications from.
IMHO, this is why snap and app image programs are not advisable for programs you may need notifications from on a, generally, required/needed basis.
As for superconductivity, the only way around that problem is to download from source, compile it and let it run natively on your system in the background, or add it to you auto startup list so it is running at boot time.
The thing about snaps and app image is they are containerized.
Unlike snaps and flatpaks, AppImages arent containerized or sandboxed at all. They are only used to bundle (some) dependencies, so you don't need to rely on packages provided by your distro's package manager.
Because of the sandboxing, once you close the app it stops running in the background therefore there is nothing to get notifications from.
This can't be caused by the sandboxing per se. I use many flatpak apps that keep running if you close all windows, eg. Amberol, Discord.
I don't know if snap/Ubuntu has a “feature” that disables this behaviour
Unlike snaps and flatpaks, Appimages aren’t containerized or sandboxed at all. They are only used to bundle (some) dependencies, so you don’t need to rely on packages provided by your distro’s package manager.
You might want to look up what Appimages are as well as what containerization is. To help I have found the following.
AppImage aims to be an application deployment system for Linux with the following objectives: simplicity, binary compatibility, portability, distro agnosticism, no installation, no root permission, and keeping the underlying operating system untouched.
As stated Appimages are containerized/sandboxed as it prevents needing to install any files on the OS.
Containerized applications are applications run in isolated packages of code called containers. Containers include all the dependencies that an application might need to run on any host operating system, such as libraries, binaries, configuration files, and frameworks, into a single lightweight executable.
Source: https://cloud.google.com/discover/what-are-containerized-applications
As you can see, once again, your info is incorrect as this is another example of what Appimages are.
Containerized applications are applications run in isolated packages of code
My main point is that a running AppImage isn't isolated, it can access and modify any file that the user has the permission to. So theoretically, an AppImage could read and upload your ssh keys or put rm -rf ~ in your .bashrc.
A Flatpak app on the other hand needs to either declare specific permissions in its manifest if it wants to e.g. access your home directory or use xdg-desktop-portal to ask for a permission at runtime. This can help when running proprietary/untrusted software or if you want to control what a program can do and what not.
A more popular example are Android apps which are executed in a strict sandbox and need to ask for permission if they want to read your images, access your microphone etc.
See also https://en.wikipedia.org/wiki/Sandbox_(computer_security)
Note that there were some discussions about adding sandboxing to AppImages: https://github.com/AppImage/AppImageKit/issues/152
So do snaps and flatpacks. And they are still consider containerized / sandboxed. Appimages are the predecessors to snap and flatpack. The only difference is unlike Appimages they got it right for the most part.
Generally speaking the Appimages integrate with KDE better than all the other DE’s. The codes for Appimages are still containerized from the OS in general as defined in my last post.
Does --classic help?
As for superconductivity, the only way around that problem is to download from source, compile it and let it run natively on your system in the background, or add it to you auto startup list so it is running at boot time.
thank you very much for the answer. But yeah, I doubt if there is a way to do that here. I would keep it open always ig! not ideal, but yeah, no other way. I like that concept of snaps and appimages, but they should only develop apps which don't require background notifs like idk Obsidian.md or some note taking app or file managers and stuff! Not a productivity app!
this post was submitted on 23 Sep 2023
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