Single Notification for multiple Tasks

[chrjsorg]

Is your feature request related to a problem? Please describe.
Currently it is not possible(?) to display a notification for multiple tasks. Either there is a notification for each task or none at all.

If you download multiple files via .downloadBatch, you will end up seeing something like this:

https://i.ibb.co/ZNVRbCR/Screenshot-1698060482.png

Describe the solution you'd like
It would be nice to be able to combine multiple tasks into one notification. Ideally, the progress would be calculated automatically and displayed accordingly.

For running downloads it might be..
running: "Downloading multiple files..."

[781flyingdutchman]

Interesting idea! I need to think a bit about how this might work. Likely a special token in the notification configuration that signals you want to group similar ones, and a few new tokens. For example, the notification config might read "{groupBy myGroup}Downloading files: {finished}/{total}" which would group all notifications that have that same '{groupBy myGroup}' token, and the tokens {finished} and {total} then refer to the number of files finished / total in that batch.

Let me know what you think.

[chrjsorg]

You summed it up very well. I think that could be useful.

Until then, I'll have to see how I deal with it. Should I not set a running notification, does that affect how it works in terms of downloading in the background or something?

Thank you!

[781flyingdutchman]

The notification doesn't affect the download (unless you've configured the downloader to 'runInForeground', which does require a notification).

On modern Android platforms I do believe the notifications are grouped already, so unless you expand the notification the user won't see all the individual ones. But yes, you could also just not notify

[781flyingdutchman]

Planning to include this in V8 along with other changes, so may take a while

[781flyingdutchman]

Issue #183 may be solvable with notificationGroups as well, and/or a BatchTaskQueue that offers the functionality suggested there

[781flyingdutchman]

Hi @chrjsorg , I've implemented groupnotifications in V8. Can you test it? Change your pubspec.yaml to:

background_downloader:
    git:
      url: https://github.com/781flyingdutchman/background_downloader.git
      ref: V8-dev

There are a few minor changes with the V8 release (some breaking) so you may need to make minor modifications to your app - see the CHANGELOG - but those will be required for the V8 release anyway (groupnotifications won't make it into V7).

See here for how to configure a notification that groups tasks. Let me know what you think.

[chrjsorg]

Hey man, thank you very much! :) Looks good to me. Do you have an ETA for v8.0?

[781flyingdutchman]

Great - should be within a few weeks. You can continue to use the V8-dev branch and it will gradually add more V8 functionality

[781flyingdutchman]

Included in V8.0.0, just published