Flatpak is a cross-distribution framework for distribution and running of sandboxed applications. XDG Desktop Portal provides Nuvola Player with desktop integration.
All packages are preinstalled in Linux Mint Cinnamon, Mate and XFCE editions. If you have removed them, you can install them by clicking the links below and then restart your computer to add Flatpak paths alongside the system ones. Otherwise, you may see strange errors. Unfortunately, just logging out and logging in is not enough.
Alternatively, launch a Linux terminal emulator and type the command below and press the Enter key to install these packages.
sudo apt install flatpak xdg-desktop-portal-gtk
The Flathub repository provides GNOME Platform runtime, which is used by Nuvola to share common dependencies with other Flatpak apps to reduce disk & memory usage. The Nuvola Player repository contains Nuvola Player Service and individual integration scripts.
This repository is preinstalled in Linux Mint Cinnamon, Mate and XFCE editions, so you need to install it only if you have removed it.
Software Manager might show a misleading error message "The Flatpak repo you are trying to add already exists." It seems to check the presence of the repository twice: Once before installation and then again after installation, which obviously leads to the error message.
Refresh Software Manager package cache: Launch Software Manager and select Refresh the list of packages from the hamburger menu.
Alternatively, launch a Linux terminal emulator and type the following commands:
flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo flatpak remote-add --if-not-exists nuvola https://dl.tiliado.eu/flatpak/nuvola.flatpakrepo flatpak update
Nuvola Player Service is an optional background service that provides integration scripts with global shared resources such as a global configuration storage, global keyboard shortcuts, a HTTP remote control server, and a command-line controller. While this service is optional, the installation is recommended.
In order to install Nuvola Player Service with Software Manager,
Alternatively, launch a Linux terminal emulator an run the following command:
flatpak install nuvola eu.tiliado.Nuvola