Add push notifications for the android version. This can be done via Unified Push. I believe this should be done because Android doesn’t allow you to have a lot of background apps.
what kind of android device and flavour/version are you using?
usually, if you can do unified push, then you can also run apps in the background.
11~15. Android has a limit on the number of background processes.
Delta Chat already uses PUSH, see FAQ - Delta Chat
for unified push, from another chat:
Does DeltaChat support UnifiedPush?
that was discussed several times and is ongoing. rough stance atm is that it would not solve problems at hand:
If UnifiedPush can run in background, DeltaChat can as well
If system kills apps they will kill UnifiedPush as well
Delta Chat is similar battery efficient as UniversalPushProviders. for reliability reasons, it does not make sense for Delta to e.g. receive its notifications over Conversations, it can do the same just as good