flatpak image errors with Fondo

[jlittle]

"Fondo" is simple app to browse upsplash.com, a free wallpaper site. It's available as a flatpak, which I haven't used before. I followed the instructions on flathub to install flatpak, then installed Fondo through discover.

It runs, but fails to show any images, which defeats the purpose of the app. If I run it in a konsole, hundreds of errors are generated. There's 30 sets of

(com.github.calo001.fondo:2): Json-WARNING **: 14:58:06.242: Failed to deserialize "categories" property of type "gpointer" for an object of type "AppModelsPhoto"
(com.github.calo001.fondo:2): Json-WARNING **: 14:58:06.242: Failed to deserialize "current-user-collections" property of type "gpointer" for an object of type "AppModelsPhoto"
(com.github.calo001.fondo:2): Json-CRITICAL **: 14:58:06.243: json_object_get_array_member: assertion 'node != NULL' failed
(com.github.calo001.fondo:2): Json-CRITICAL **: 14:58:06.243: json_array_get_elements: assertion 'array != NULL' failed

followed by 30 sets of

(com.github.calo001.fondo:2): GLib-GObject-WARNING **: 14:58:06.251: invalid (NULL) pointer instance
(com.github.calo001.fondo:2): GLib-GObject-CRITICAL **: 14:58:06.251: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(com.github.calo001.fondo:2): Gtk-CRITICAL **: 14:58:06.251: gtk_overlay_add_overlay: assertion 'GTK_IS_WIDGET (widget)' failed

This suggests to me that some Gnome dependency of Fondo is missing. flatpak list shows:

Name                                          Application ID                             Version      Branch      Installation
Fondo                                         com.github.calo001.fondo                   1.3.9        stable      system
default                                       org.freedesktop.Platform.GL.default                     19.08       system
Intel                                         org.freedesktop.Platform.VAAPI.Intel                    19.08       system
openh264                                      org.freedesktop.Platform.openh264          2.1.0        2.0         system
GNOME Application Platform version 3.36       org.gnome.Platform                                      3.36        system

Am I doing something wrong? Or is flatpak broken on KDE for something? Google did not enlighten me.

[claydoh]

The flatpak could just be borked by whomever created it. The deps look fine.
There are no issues with flatpak itself that relate to plasma so at the moment Im leaning towards a bad build.

You might look and see if there are different versions available. Flathub will list them.
Discover might show these as well depending on the version of that.

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[claydoh]

Actually they don't support non-gtk desktops.

https://github.com/calo001/fondo/issues/81

Apparently it only works with gsettings

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[jlittle]

Thank you, my ignorance of flatpak showed.

I vaguely thought that appimages, flatpaks and snaps existed to avoid rubbish (dreck, garbage) like this.

[claydoh]

Thank you, my ignorance of flatpak showed.

I vaguely thought that appimages, flatpaks and snaps existed to avoid rubbish (dreck, garbage) like this.

No, there is no ignorance here. Just a very gnome specific app. Not the fault of the packaging but the developer(s) simply uses Gnome's specific settings and infrastructure to handle everything.


When you remove the thing do make sure you check flatpak via the commandline and remove all the stray bits left behind. Removing the app does not remove unused deps even if done via the terminal

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[jlittle]

When you remove the thing do make sure you check flatpak via the commandline and remove all the stray bits left behind.

Thank you, there was some stuff. Three of them were prefixed with "…", a Unicode ellipsis, U+2026, weird, and asking for trouble IMO.

[GreyGeek]

Thank you, there was some stuff. Three of them were prefixed with "…", a Unicode ellipsis, U+2026, weird, and asking for trouble IMO.

Which is exactly why I prefer AppImages over flatpaks. In AppImages EVERTHING is inside the image. Delete it and the entire package is deleted without touching the system.