CalDAV-Sync is a CalDAV client for Android to synchronize events and tasks. Due to its implementation as sync adapter it integrates seamlessly with the native calendar app and widgets. Also check out CardDAV-Sync
Please send me an email if you find a bug. Without detailed error description I often can't do anything especially when I can't reproduce it. It's also possible that your server has a bug that CalDAV-Sync can not (yet) tolerate or work around. If you report bugs I can fix them quickly and everyone will benefit.
It is tested and works with
- DAViCal
- SOGo
- Zimbra
- OSX/iCal Server
- eGroupware
- Oracle Beehive
- david.fx
- iCloud
- ownCloud
Features:
* task support (you'll need this task app https://play.google.com/store/apps/details?id=org.dmfs.tasks)
* basic support for self-signed certificates
* supports SNI (needs Android 2.3 and newer)
* supports client certificate authentication (Only Android 4.0 and 4.2 and newer, doesn't work on Android 4....