Caldav synch adapter for Android
See wiki for more information and server compatibility list (https://github.com/gggard/AndroidCaldavSyncAdapater/wiki)
Choose: Import -> Android -> Existing Android Code Into Workspace
android project --path . ant debug
check bin/CalDAVSyncAdapter-debug.apk
Choose Import Project, choose CalDAVSyncAdapter Folder.
Select "Create project from existing sources". Next...
If you get an error about unregistered Git Root, select Add Git root.