CalDAV+CardDAV server

Hi this is not B4A just share if someone are making Contact App


I Was using CalDAV+CardDAV server maybe someone can use this server
with B4A App when it support Account manager or now
one problem with baikal it don't upload Contact Group

Server
CalDAV + CardDAV lightweight server: Baïkal

I use this App to connect to the Server it work for baikal and owncloud Contact
https://play.google.com/store/apps/details?id=org.dmfs.carddav.sync

Regard
Sigster