Calendar colors: Don't overwrite when not set by server

[rfc2822]

Scope

• I'm sure that this feature request belongs here and not into Discussions.

Description

1. When a server does not send a calendar color we don't need to overwrite it with our "green" every time (only use green when calendar is created). Users can then change the calendar color with a third party app and DAVx5 won't overwrite the changes.
2. Maybe we shouldn't use green for all unknown calendars but select random? different colors. People don't see only green calendars then without possibility to distinguish between them.

Further info

Can we just not update the calendar color in LocalCalendar.update() when it's null from the server? (But of course set it in LocalCalendar.create, otherwise the calendar will be transparent)

[djagoo]

Or if it's not fully out of scope of the app, please integrate a color picker to set the calendar colors manually. I just disabled the calendar color sync in DAVx and noticed that even then the tasks.org app doesn't let me change the colors. The same with jtx. And the "Calendar Color" App mentioned on https://www.davx5.com/faq/change-calendar-color/ is very old and doesn't support tasks-lists without calendar.

Has anybody a workaround for my usecase? My caldav provider (vikunja) doesn't seem to support synced calendar colors atm.

[christian179717]

Isn't that a bug? I don't want to force you to anything, and I'm thankful for developing, but after a while it's a bit annoying that the color changes always to complete different one, which I don't expect.

[rfc2822]

Which one would you expect, when the server doesn't send one?
Did you disable the "manage calendar colors" setting in the Account settings?
Did you set them with a calendar app or a seperate app? Which one?

I think we have all necessary information

[christian179717]

Sadly, even with the newest version of davx5, the colors still change. If I move the option "Manage calendar colors" to "Calendar colors can be set by other apps" I can edit the colors, but after a while they'll be overwritten by davx5 with random colors.
I think the colors consists if I toggle it to "Calendar colors are reset at each sync" but that's not really what I want.
The colors even change after a few moments if "Calendar colors are reset at each sync" is enabled.
The server sadly doesn't provide the colors I need, so I fixed it with toggling this to the "Calendar colors can be set by other apps" and edited them. But since the v4.4.0.1-ose Update (or the ones before or past) this sadly doesn't work anymore.

[rfc2822]

Sadly, even with the newest version of davx5, the colors still change. If I move the option "Manage calendar colors" to "Calendar colors can be set by other apps" I can edit the colors, but after a while they'll be overwritten by davx5 with random colors.
I think the colors consists if I toggle it to "Calendar colors are reset at each sync" but that's not really what I want.
The colors even change after a few moments if "Calendar colors are reset at each sync" is enabled.
The server sadly doesn't provide the colors I need, so I fixed it with toggling this to the "Calendar colors can be set by other apps" and edited them. But since the v4.4.0.1-ose Update (or the ones before or past) this sadly doesn't work anymore.

I can't reproduce it with the latest 4.4.3.2 / main branch. I have set DAVx5 to "Calendar colors can be set by other apps" and changed the color in Etar and it doesn't switch back at sync, as expected.

Can you please provide exact steps to reproduce the problem?

[christian179717]

If I refresh the Calenders in my calendar app, first the colors were synced, but after a while a few moments after sync till a few hours, the colors suddenly change.
If I activate the edit calendar color in other apps, I can edit them (what I can whenever I want normally), but after a few moments till a few hours they'll be overwritten by davx5.
Is there a difference between 4.4.3.2-ose to 4.4.3.2 / main branch?
I've tried to make a video of the change, but I didn't get the moment of the change. I hope I'm able to make a video in the next few days, so I can give you more detailed information.

Maybe it helps you, if you know, which calendar app I use: Fossify Calendar

[rfc2822]

Is there a difference between 4.4.3.2-ose to 4.4.3.2 / main branch?

No, not regarding that.

Maybe it helps you, if you know, which calendar app I use: Fossify Calendar

Couldn't reproduce it with Fossify Calendar, too:

1. Set up DAVx5 with a calendar
2. Set DAVx5 to "Calendar colors can be set by other apps"
3. Change the calendar color locally in Fossify Calendar
4. Sync again
5. Color stays the same (also in Fossify Calendar)
6. Set DAVx5 to "Calendar colors are reset at each sync"
7. Sync
8. Color is reset to server color (also in Fossify Calendar)

Can you

1. Enable verbose logging in DAVx5,
2. do the process that resets the color,
3. send the logs zip to [email protected] with reference to this discussion?

The logs contain everything DAVx5 does and why.

[christian179717]

I just edited the colors in the way I want to record the change after that. Even while that, the colors changed.

Settings screenshot

https://drive.filen.io/d/d28dd84a-a216-4ecb-982d-44596b0bcf5d#Ot1nPkzUPW9Bf9uElDJoNvcDwMPhJJle (sadly to big for GitHub)

If done that before you write your last message, I'll follow your instructions in just a second.

[rfc2822]

Maybe related to FossifyOrg/Calendar#339

[sunkup]

Nope, can't reproduce it either.

Maybe related to FossifyOrg/Calendar#339

Seems not to be a valid bug.

[christian179717]

So you've no idea how to fix it or if there's something set upped false on my mobile?

[sunkup]

So you've no idea how to fix it or if there's something set upped false on my mobile?

We received your email with the logs, but you did not enable "verbose logging". It needs to be active while the calendar colors are reset. Can you do that and send the logs again?

We also tried to reproduce it again - even with mailbox.org and Fossify Calendar - but were not succesful.

Does it work with the Etar Calendar? Maybe it's the Fossify Calendar on your phone acting strange?

Also maybe try to deactivate / uninstall Google Calendar? Maybe it's doing something in the background ...

As long as we can't reproduce it, it's unfixable.

[christian179717]

I've tried it with another android device, there I could edit the colors without any problems. I reinstalled DAVx5 and Fossify Calendar on my Phone and configured it new, that sadly didn't help. But I watched that the calendar colors always changed to the same values, so I realized that it have to be another calendar app that is the issue. What I find strange is that it worked without any difficulties until DAVx5 updated and first there were random colors and now another calendar app make problems.

Now I deactivated via the ADB the Android-Calendar. After that the colors aren't overwritten anymore, but it seems that only seven colors were saved and if I edit the eighth one another color switches to a light blue. Is this issue (general for android, I don't think the issue is DAVx5) known to you, or did it occur somewhere else before?

Android Version 9
EMUI 9.1.0

[sunkup]

It's the first time I hear of this happening. Good to hear you are making progress though!

Since your issue is not DAVx5 related then, I will close this issue now. We can continue our conversation via email.