System: Calender MAC <-> (Baikal (Installed on localhost)) <-> (Android (Davdroid (Buisness Calendar or Stock calendar)))
Sync works fine and if I create an event on my MAC i can edit (change time date…) on my phone without Problems. If i create an event on my phone - sync it - I can’t modify it at all. If i create an appointment on my pc and edit it on my phone and sync it back it works.
(fetched appointment from server via sqlite db)
-Event created on MAC
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Apple Inc.//Mac OS X 10.10.3//EN
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
DTSTART:19810329T020000
TZNAME:GMT+2
TZOFFSETTO:+0200
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
DTSTART:19961027T030000
TZNAME:GMT+1
TZOFFSETTO:+0100
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CREATED:20150806T201007Z
UID:297AA97A-C2A3-48F9-B798-9DF0063AC230
DTEND;TZID=Europe/Berlin:20150807T130000
TRANSP:OPAQUE
SUMMARY:MAC
DTSTART;TZID=Europe/Berlin:20150807T120000
DTSTAMP:20150806T201007Z
SEQUENCE:0
END:VEVENT
END:VCALENDAR
-Event using Android Stock Calendar
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//bitfire web engineering//DAVdroid 0.8.2 (ical4j 2.0-alpha1)//EN
BEGIN:VEVENT
DTSTAMP:20150806T201623Z
UID:20150806T201622Z-10618_9c84327b79947238
DTSTART;TZID=Europe/Amsterdam:20150807T120000
DTEND;TZID=Europe/Amsterdam:20150807T130000
SUMMARY:ANDROIstock
STATUS:CONFIRMED
ORGANIZER:mailto:BakaiCalendar
LAST-MODIFIED:20150806T201623Z
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/Amsterdam
TZURL:http://tzurl.org/zoneinfo/Europe/Amsterdam
X-LIC-LOCATION:Europe/Amsterdam
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19810329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19961027T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+001932
TZOFFSETTO:+001932
TZNAME:AMT
DTSTART:18350101T000000
RDATE:18350101T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+001932
TZOFFSETTO:+011932
TZNAME:NST
DTSTART:19160501T000000
RDATE:19160501T000000
RDATE:19170416T030000
RDATE:19180401T020000
RDATE:19190407T020000
RDATE:19200405T020000
RDATE:19210404T020000
RDATE:19220326T020000
RDATE:19230601T020000
RDATE:19240330T020000
RDATE:19250605T020000
RDATE:19260515T020000
RDATE:19270515T020000
RDATE:19280515T020000
RDATE:19290515T020000
RDATE:19300515T020000
RDATE:19310515T020000
RDATE:19320522T020000
RDATE:19330515T020000
RDATE:19340515T020000
RDATE:19350515T020000
RDATE:19360515T020000
RDATE:19370522T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+011932
TZOFFSETTO:+001932
TZNAME:AMT
DTSTART:19161001T000000
RDATE:19161001T000000
RDATE:19170917T030000
RDATE:19180930T030000
RDATE:19190929T030000
RDATE:19200927T030000
RDATE:19210926T030000
RDATE:19221008T030000
RDATE:19231007T030000
RDATE:19241005T030000
RDATE:19251004T030000
RDATE:19261003T030000
RDATE:19271002T030000
RDATE:19281007T030000
RDATE:19291006T030000
RDATE:19301005T030000
RDATE:19311004T030000
RDATE:19321002T030000
RDATE:19331008T030000
RDATE:19341007T030000
RDATE:19351006T030000
RDATE:19361004T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+011932
TZOFFSETTO:+0120
TZNAME:NEST
DTSTART:19370701T000000
RDATE:19370701T000000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0120
TZOFFSETTO:+0020
TZNAME:NET
DTSTART:19371003T030000
RDATE:19371003T030000
RDATE:19381002T030000
RDATE:19391008T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0020
TZOFFSETTO:+0120
TZNAME:NEST
DTSTART:19380515T020000
RDATE:19380515T020000
RDATE:19390515T020000
END:DAYLIGHT
BEGIN:DAYLIGHT
TZOFFSETFROM:+0020
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19400516T000000
RDATE:19400516T000000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19421102T030000
RDATE:19421102T030000
RDATE:19431004T030000
RDATE:19441002T030000
RDATE:19450916T020000
RDATE:19770925T030000
RDATE:19781001T030000
RDATE:19790930T030000
RDATE:19800928T030000
RDATE:19810927T030000
RDATE:19820926T030000
RDATE:19830925T030000
RDATE:19840930T030000
RDATE:19850929T030000
RDATE:19860928T030000
RDATE:19870927T030000
RDATE:19880925T030000
RDATE:19890924T030000
RDATE:19900930T030000
RDATE:19910929T030000
RDATE:19920927T030000
RDATE:19930926T030000
RDATE:19940925T030000
RDATE:19950924T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19430329T030000
RDATE:19430329T030000
RDATE:19440403T030000
RDATE:19450402T030000
RDATE:19770403T020000
RDATE:19780402T020000
RDATE:19790401T020000
RDATE:19800406T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19770101T000000
RDATE:19770101T000000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR
-business calendar
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//bitfire web engineering//DAVdroid 0.8.2 (ical4j 2.0-alpha1)//EN
BEGIN:VEVENT
DTSTAMP:20150806T201445Z
UID:20150806T201445Z-10618_9c84327b79947238
DTSTART;TZID=Europe/Berlin:20150807T120000
DTEND;TZID=Europe/Berlin:20150807T130000
SUMMARY:ANDROIDbus
STATUS:CONFIRMED
ORGANIZER:mailto:BakaiCalendar
LAST-MODIFIED:20150806T201445Z
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/Berlin
TZURL:http://tzurl.org/zoneinfo/Europe/Berlin
X-LIC-LOCATION:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19810329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19961027T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+005328
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:18930401T000000
RDATE:18930401T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19160501T000000
RDATE:19160501T000000
RDATE:19170416T030000
RDATE:19180415T030000
RDATE:19400401T030000
RDATE:19430329T030000
RDATE:19440403T030000
RDATE:19450402T030000
RDATE:19460414T030000
RDATE:19470406T040000
RDATE:19480418T030000
RDATE:19490410T030000
RDATE:19800406T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19161001T010000
RDATE:19161001T010000
RDATE:19170917T030000
RDATE:19180916T030000
RDATE:19421102T030000
RDATE:19431004T030000
RDATE:19441002T030000
RDATE:19451118T030000
RDATE:19461007T030000
RDATE:19471005T030000
RDATE:19481003T030000
RDATE:19491002T030000
RDATE:19800928T030000
RDATE:19810927T030000
RDATE:19820926T030000
RDATE:19830925T030000
RDATE:19840930T030000
RDATE:19850929T030000
RDATE:19860928T030000
RDATE:19870927T030000
RDATE:19880925T030000
RDATE:19890924T030000
RDATE:19900930T030000
RDATE:19910929T030000
RDATE:19920927T030000
RDATE:19930926T030000
RDATE:19940925T030000
RDATE:19950924T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0200
TZOFFSETTO:+0300
TZNAME:CEMT
DTSTART:19450524T020000
RDATE:19450524T020000
RDATE:19470511T030000
END:DAYLIGHT
BEGIN:DAYLIGHT
TZOFFSETFROM:+0300
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19450924T030000
RDATE:19450924T030000
RDATE:19470629T030000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19460101T000000
RDATE:19460101T000000
RDATE:19800101T000000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR
-MAC to phone edited and back works...
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//bitfire web engineering//DAVdroid 0.8.2 (ical4j 2.0-alpha1)//EN
BEGIN:VEVENT
DTSTAMP:20150806T202043Z
UID:297AA97A-C2A3-48F9-B798-9DF0063AC230
DTSTART;TZID=Europe/Berlin:20150807T120000
DTEND;TZID=Europe/Berlin:20150807T130000
SUMMARY:Mac edited on android
STATUS:TENTATIVE
LAST-MODIFIED:20150806T202043Z
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/Berlin
TZURL:http://tzurl.org/zoneinfo/Europe/Berlin
X-LIC-LOCATION:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19810329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19961027T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:+005328
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:18930401T000000
RDATE:18930401T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19160501T000000
RDATE:19160501T000000
RDATE:19170416T030000
RDATE:19180415T030000
RDATE:19400401T030000
RDATE:19430329T030000
RDATE:19440403T030000
RDATE:19450402T030000
RDATE:19460414T030000
RDATE:19470406T040000
RDATE:19480418T030000
RDATE:19490410T030000
RDATE:19800406T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19161001T010000
RDATE:19161001T010000
RDATE:19170917T030000
RDATE:19180916T030000
RDATE:19421102T030000
RDATE:19431004T030000
RDATE:19441002T030000
RDATE:19451118T030000
RDATE:19461007T030000
RDATE:19471005T030000
RDATE:19481003T030000
RDATE:19491002T030000
RDATE:19800928T030000
RDATE:19810927T030000
RDATE:19820926T030000
RDATE:19830925T030000
RDATE:19840930T030000
RDATE:19850929T030000
RDATE:19860928T030000
RDATE:19870927T030000
RDATE:19880925T030000
RDATE:19890924T030000
RDATE:19900930T030000
RDATE:19910929T030000
RDATE:19920927T030000
RDATE:19930926T030000
RDATE:19940925T030000
RDATE:19950924T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0200
TZOFFSETTO:+0300
TZNAME:CEMT
DTSTART:19450524T020000
RDATE:19450524T020000
RDATE:19470511T030000
END:DAYLIGHT
BEGIN:DAYLIGHT
TZOFFSETFROM:+0300
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19450924T030000
RDATE:19450924T030000
RDATE:19470629T030000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19460101T000000
RDATE:19460101T000000
RDATE:19800101T000000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR
Does anybody know what causes this ?
Thanks