
Recommended Read: Best GTK Themes for Ubuntu and Other Linux Distro

You can, however, change it for all Flatpak apps in one single command. Don’t expect it to automatically change the themes of Flatpak apps when you change the system theme. Applying GTK Themes and Icons to Flatpak applications (Command-Line Method)īefore we proceed, let’s understand why Flatpak apps have this behavior.įlatpak apps run inside a ‘container’, so they don’t have access to the host filesystem, network, or physical devices without explicitly setting the appropriate permission, and that is what we are going to do.Īs I said earlier, this is a workaround, not a flawless solution. Apply GTK theme and icons through GUI with Flatsealġ.Apply GTK theme and icons to Flatpak through command-line.In this tutorial, I will introduce you to a couple of ways to make Flatpak apps aware of external GTK themes and icons. If you have found a beautiful GTK theme, your Flatpak applications will still use their default appearance. However, only a few GTK themes can be installed for the job.

The official way to apply GTK themes to Flatpak apps is by installing the desired theme as a Flatpak. Flatpak app does not match the system theme This makes the applications look out of place in your otherwise beautiful setup. One of the reasons why some users avoid installing Flatpak apps is that most Flatpak apps don’t change their appearance as per the current system theme.
