Problem with snapcraft-desktop-helpers and MATE desktop

[Eloy García (PC Actual)]

Hi all.

I'm using snapcraft-desktop-helpers (
https://github.com/ubuntu/snapcraft-desktop-helpers) part for providing a
"bridge" for gsettings between my snapped application and the host system
(I'm using desktop/gtk3 part although I tried desktop/gtk2 part and even
desktop/glib-only). The application sets a custom selected wallpaper and it
is working great under GNOME 3 and Unity. However, it is not working for
MATE desktop.

This is the command I execute inside the snap for Unity and GNOME 3
desktops:
gsettings set org.gnome.desktop.background picture-uri file://blablabla.jpg

And this is the command I execute for MATE desktop:
gsettings set org.mate.background picture-filename blablabla.jpg

Checking the application's log I find:

[15:17:40] AWT-EventQueue-0 ERROR LinuxWallpaperChanger:102 - No such
schema 'org.mate.background'

Those commands are working fine using the native application (I mean, the
application directly running on the host and not installed via snap package)

Do I need to do something else to support MATE desktop or maybe it's a bug
for snapcraft-desktop-helpers wiki part?

Thank you very much for your help.

Best,

Eloy
-- 
Eloy García Almadén
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