CalDAV Clients/Calendar Sync for Android
Calendar Sync for Android will synchronise the calendar on your phone with a remote CalDAV server, including a DAViCal server.
This is a calendar synchronisation program, and as such it needs to be given a calendar URL, which in DAViCal's case will be something of the form:
Where 'calendar' is generally 'home', by default, on DAViCal.
The App can sync with various calendar sources using Http,FTP or CalDAV. It also can sync with DAViCal. It also supports a bunch of other features and it receives updates frequently.
Click here to get to CalendarSync:CalendarSync
Features sing a self-created parser which support complex and more features than other iCalendar parsing/importing applications. Import appointments, alarms and attendees direct from iCal files (*.ics). and applications. Import appointments, alarms and attendees direct from Microsoft Calendar files (*.vcs) and applications. Export appointments, alarms and attendees which are stored on the device to iCal files (*.ics). Make a quick look at the appointments stored in the iCal files. Update old and add new appointments from an iCal file. iCalendar files are associated to this app. Timezone support. Create and remove calendars on the device. Fingerfriendly landscape/portrait mode aware GUI. Load, Parse and sync ICal files direct from the Internet from different sources. Supports the download/handling of calendar informations with HTTP/HTTPS. Supports the sync from and to server which provide calendar informations with CalDAV. Supports the download/handling of calendar informations with FTP/FTPS. Supports the download/handling of webcal/webcals feeds. Periodically background sync of calendar informations. Automatically background sync can be handled periodically by the app itself or it can be triggered by external applications like Tasker. Checking for updates Logging Advanced filtering which informations should be imported Supporting devices with more than one cpu core to speed up parsing/importing/downloading of informations. Multi-language: Currently english and german.
If you are interested in translating the app in other languages please contact me.
This product is discontinued.
Using Self-signed SSL Certificates
In the latest Calendar Sync version there is now an option to accept any certificate without checking, which makes it much easier to use a self-signed cert. Of course for better security you may still want to install the root certificate.
Installing the Root on Android
If you use a self-signed SSL certificate on the Android the process of making it work is somewhat convoluted...
According to Brendan Whelan from Hypermatix, the following steps are needed:
- First, you need to create a keystore containing the cert of your Certification Authority (albeit your own server).
- Bob Lee has an excellent blog post on how to do this. Just follow his steps one and two from http://crazybob.org/20120/02/android-trusting-ssl-certificates.html
- Essentially this involves getting old of the root certificate. I use the CACert.org root authority myself, and their root is downloadable from their website, but you need to follow part of the above process to convert it to a .bks file.
- Rename your file to "CA.bks".
- Create a new directory on your phone's SD card at /CalDAVSync/CA/ and drop the CA.bks in there.
- Then in CalendarSync, Advanced connection settings, check to enable using the keystore and enter the password you chose for the keystore.
Do a sync and it should work!
One caveat though: the app can't read the keystore while your phone is connected to a PC and in USB hard drive mode, so you'll need disable USB drive mode before sync will work without error.
Problems (v 0.9.2.0)
It works for me (now) with this 14th April 2010 version. Karora 11:48, 18 April 2010 (UTC)
- Timezone issues: If you set an explicit non-local timezone on an event expect to see it in your Android calendar at the local time of day of the event, rather than at the time of the event in your current timezone. For now, try and stick to local time. The developer is working on the issue...
- Bandwidth intensive: The app is pretty crude in it's synchronisation process. It works, but it could be done with a lot less communication. Again, the developer is working on it :-)
- Does not work anymore for me using https with 0.9.2 since providing password for keystore has disappeared from advanced connection settings:-(
- Does not work for me (Defy, Android 2.1) since its not possible to configure a non google calendar.