Programmatically add custom event in the iPhone Calendar

Question

Is there any way to add iCal event to the iPhone Calendar from the custom App

User · Answer

Yes there still is no API for this  2 1   But it seemed like at WWDC a lot of people were already interested in the functionality  including myself  and the recommendation was to go to the below site and create a feature request for this  If there is enough of an interest  they might end up moving the ICal framework to the public SDK   https   developer apple com bugreporter

User · Answer

You can add the event using the Event API like Tristan outlined and you can also add a Google Calendar event which shows up in the iOS calendar   using Google s API Objective-C Client      -  void addAnEvent        Make a new event  and show it to the user to edit   GTLCalendarEvent  newEvent    GTLCalendarEvent object     newEvent summary     Sample Added Event     newEvent descriptionProperty     Description of sample added event         We ll set the start time to now  and the end time to an hour from now       with a reminder 10 minutes before   NSDate  anHourFromNow    NSDate dateWithTimeIntervalSinceNow 60 60     GTLDateTime  startDateTime    GTLDateTime dateTimeWithDate  NSDate date                                                      timeZone  NSTimeZone systemTimeZone      GTLDateTime  endDateTime    GTLDateTime dateTimeWithDate anHourFromNow                                                   timeZone  NSTimeZone systemTimeZone       newEvent start    GTLCalendarEventDateTime object     newEvent start dateTime   startDateTime     newEvent end    GTLCalendarEventDateTime object     newEvent end dateTime   endDateTime     GTLCalendarEventReminder  reminder    GTLCalendarEventReminder object     reminder minutes    NSNumber numberWithInteger 10     reminder method     email      newEvent reminders    GTLCalendarEventReminders object     newEvent reminders overrides    NSArray arrayWithObject reminder     newEvent reminders useDefault    NSNumber numberWithBool NO         Display the event edit dialog   EditEventWindowController  controller      EditEventWindowController alloc  init  autorelease      controller runModalForWindow  self window                            event newEvent               completionHandler   NSInteger returnCode  GTLCalendarEvent  event                       Callback                 if  returnCode    NSOKButton                       self addEvent event

User · Answer

Yes there still is no API for this  2 1   But it seemed like at WWDC a lot of people were already interested in the functionality  including myself  and the recommendation was to go to the below site and create a feature request for this  If there is enough of an interest  they might end up moving the ICal framework to the public SDK   https   developer apple com bugreporter

User · Answer

The Google idea is a nice one  but has problems   I can successfully open a Google calendar event screen - but only on the main desktop version  and it doesn t display properly on iPhone Safari  The Google mobile calendar  which does display properly on Safari  doesn t seem to work with the API to add events   For the moment  I can t see a good way out of this one

User · Answer

Yes there still is no API for this  2 1   But it seemed like at WWDC a lot of people were already interested in the functionality  including myself  and the recommendation was to go to the below site and create a feature request for this  If there is enough of an interest  they might end up moving the ICal framework to the public SDK   https   developer apple com bugreporter

User · Answer

Working code in Swift-4 2  import UIKit import EventKit import EventKitUI  class yourViewController  UIViewController       let eventStore   EKEventStore        func addEventToCalendar          eventStore requestAccess  to  EKEntityType event  completion   granted  error  in         DispatchQueue main async               if  granted   amp  amp   error    nil                    let event   EKEvent eventStore  self eventStore                  event title   self headerDescription                 event startDate   self parse self requestDetails value forKey   session time   as  String                        event endDate   self parse self requestDetails value forKey   session end time   as  String                        let eventController   EKEventEditViewController                   eventController event   event                 eventController eventStore   self eventStore                 eventController editViewDelegate   self                 self present eventController  animated  true  completion  nil                                                  Now we will get the event screen and here you can also modify your settings     Now add delegate method to handle Cancel and add the event button action of event screen       extension viewController  EKEventEditViewDelegate        func eventEditViewController   controller  EKEventEditViewController  didCompleteWith action  EKEventEditViewAction            controller dismiss animated  true  completion  nil             Note  Don t forget to add NSCalendarsUsageDescription key into info plist

User · Answer

Working code in Swift-4 2  import UIKit import EventKit import EventKitUI  class yourViewController  UIViewController       let eventStore   EKEventStore        func addEventToCalendar          eventStore requestAccess  to  EKEntityType event  completion   granted  error  in         DispatchQueue main async               if  granted   amp  amp   error    nil                    let event   EKEvent eventStore  self eventStore                  event title   self headerDescription                 event startDate   self parse self requestDetails value forKey   session time   as  String                        event endDate   self parse self requestDetails value forKey   session end time   as  String                        let eventController   EKEventEditViewController                   eventController event   event                 eventController eventStore   self eventStore                 eventController editViewDelegate   self                 self present eventController  animated  true  completion  nil                                                  Now we will get the event screen and here you can also modify your settings     Now add delegate method to handle Cancel and add the event button action of event screen       extension viewController  EKEventEditViewDelegate        func eventEditViewController   controller  EKEventEditViewController  didCompleteWith action  EKEventEditViewAction            controller dismiss animated  true  completion  nil             Note  Don t forget to add NSCalendarsUsageDescription key into info plist

User · Answer

You can do this using the Event Kit framework in OS 4 0   Right click on the FrameWorks group in the Groups and Files Navigator on the left of the window  Select  Add  then  Existing FrameWorks  then  EventKit Framework     Then you should be able to add events with code like this    import  EventTestViewController h   import  lt EventKit EventKit h gt    implementation EventTestViewController  -  void viewDidLoad        super viewDidLoad        EKEventStore  eventStore     EKEventStore alloc  init        EKEvent  event     EKEvent eventWithEventStore eventStore       event title         EVENT TITLE        event startDate     NSDate alloc  init       event endDate       NSDate alloc  initWithTimeInterval 600 sinceDate event startDate         event setCalendar  eventStore defaultCalendarForNewEvents        NSError  err       eventStore saveEvent event span EKSpanThisEvent error  amp err              end

User · Answer

Simple     use tapku library     you can google that word and use it    its open source    enjoy      no need of bugging with those codes

User · Answer

Calendar access is being added in iPhone OS 4 0      Calendar Access   Apps can now create and edit events directly in the   Calendar app with Event Kit    Create recurring events  set up start and end   times and assign them to any calendar   on the device

User · Answer

Update for swift 4 for Dashrath answer  import UIKit import EventKit  class ViewController  UIViewController        override func viewDidLoad             super viewDidLoad            let eventStore   EKEventStore            eventStore requestAccess  to  EKEntityType event  completion   granted  error  in              if  granted   amp  amp   error    nil                      let event   EKEvent eventStore  eventStore                   event title    My Event                  event startDate   Date timeIntervalSinceNow  TimeInterval                    event endDate   Date timeIntervalSinceNow  TimeInterval                    event notes    Yeah                     event calendar   eventStore defaultCalendarForNewEvents                  var event id                      do                      try eventStore save event  span   thisEvent                      event id   event eventIdentifier                                   catch let error as NSError                       print  json error    error localizedDescription                                       if event id                             print  event added                                                           override func didReceiveMemoryWarning             super didReceiveMemoryWarning              Dispose of any resources that can be recreated              also don t forget to add permission for calendar usage

User · Answer

Remember to set the endDate to the created event  it is mandatory    Otherwise it will fail  almost silently  with this error     Error Domain EKErrorDomain Code 3  No end date has been set   UserInfo  NSLocalizedDescription No end date has been set      The complete working code for me is    EKEventStore  store    EKEventStore new    store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error        if   granted    return        EKEvent  calendarEvent    EKEvent eventWithEventStore store       calendarEvent title    NSString stringWithFormat   CEmprendedor        event name       calendarEvent startDate    event date         5 hours of duration  we must add the duration of the event to the API     NSDate  endDate     event date dateByAddingTimeInterval 60 60 5       calendarEvent endDate   endDate      calendarEvent calendar    store defaultCalendarForNewEvents       NSError  err   nil       store saveEvent calendarEvent span EKSpanThisEvent commit YES error  amp err       self savedEventId   calendarEvent eventIdentifier     saving the calendar event id to possibly deleted them

User · Answer

Based on Apple Documentation  this has changed a bit as of iOS 6 0   1  You should request access to the user s calendar via  requestAccessToEntityType completion   and execute the event handling inside of a block   2  You need to commit your event now or pass the  commit  param to your save remove call  Everything else stays the same     Add the EventKit framework and  import  lt EventKit EventKit h gt  to your code   In my example  I have a NSString  savedEventId instance property   To add an event       EKEventStore  store    EKEventStore new        store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error            if   granted    return            EKEvent  event    EKEvent eventWithEventStore store           event title     Event Title           event startDate    NSDate date     today         event endDate    event startDate dateByAddingTimeInterval 60 60      set 1 hour meeting         event calendar    store defaultCalendarForNewEvents           NSError  err   nil           store saveEvent event span EKSpanThisEvent commit YES error  amp err           self savedEventId   event eventIdentifier     save the event id if you want to access this later           Remove the event       EKEventStore  store    EKEventStore new        store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error            if   granted    return            EKEvent  eventToRemove    store eventWithIdentifier self savedEventId           if  eventToRemove                NSError  error   nil               store removeEvent eventToRemove span EKSpanThisEvent commit YES error  amp error                       This adds events to your default calendar  if you have multiple calendars then you ll have find out which one that is  Swift version  You need to import the EventKit framework  import EventKit   Add event  let store   EKEventStore   store requestAccessToEntityType  Event    granted  error  in     if  granted   return       var event   EKEvent eventStore  store      event title    Event Title      event startDate   NSDate     today     event endDate   event startDate dateByAddingTimeInterval 60 60    1 hour long meeting     event calendar   store defaultCalendarForNewEvents     do           try store saveEvent event  span   ThisEvent  commit  true          self savedEventId   event eventIdentifier   save event id to access this particular event later       catch              Display error to user           Remove event  let store   EKEventStore   store requestAccessToEntityType EKEntityTypeEvent    granted  error  in     if  granted   return       let eventToRemove   store eventWithIdentifier self savedEventId      if eventToRemove    nil           do               try store removeEvent eventToRemove  span   ThisEvent  commit  true            catch                  Display error to user

User · Answer

Calendar access is being added in iPhone OS 4 0      Calendar Access   Apps can now create and edit events directly in the   Calendar app with Event Kit    Create recurring events  set up start and end   times and assign them to any calendar   on the device

User · Answer

You can add the event using the Event API like Tristan outlined and you can also add a Google Calendar event which shows up in the iOS calendar   using Google s API Objective-C Client      -  void addAnEvent        Make a new event  and show it to the user to edit   GTLCalendarEvent  newEvent    GTLCalendarEvent object     newEvent summary     Sample Added Event     newEvent descriptionProperty     Description of sample added event         We ll set the start time to now  and the end time to an hour from now       with a reminder 10 minutes before   NSDate  anHourFromNow    NSDate dateWithTimeIntervalSinceNow 60 60     GTLDateTime  startDateTime    GTLDateTime dateTimeWithDate  NSDate date                                                      timeZone  NSTimeZone systemTimeZone      GTLDateTime  endDateTime    GTLDateTime dateTimeWithDate anHourFromNow                                                   timeZone  NSTimeZone systemTimeZone       newEvent start    GTLCalendarEventDateTime object     newEvent start dateTime   startDateTime     newEvent end    GTLCalendarEventDateTime object     newEvent end dateTime   endDateTime     GTLCalendarEventReminder  reminder    GTLCalendarEventReminder object     reminder minutes    NSNumber numberWithInteger 10     reminder method     email      newEvent reminders    GTLCalendarEventReminders object     newEvent reminders overrides    NSArray arrayWithObject reminder     newEvent reminders useDefault    NSNumber numberWithBool NO         Display the event edit dialog   EditEventWindowController  controller      EditEventWindowController alloc  init  autorelease      controller runModalForWindow  self window                            event newEvent               completionHandler   NSInteger returnCode  GTLCalendarEvent  event                       Callback                 if  returnCode    NSOKButton                       self addEvent event

User · Answer

Swift 4 0 implementation    use import in top of page by import EventKit  then    IBAction func addtoCalendarClicked sender  AnyObject         let eventStore   EKEventStore        eventStore requestAccess  to  EKEntityType event  completion   granted  error  in          if  granted   amp  amp   error    nil                print  granted   granted                print  error   error                 let event   EKEvent eventStore  eventStore               event title    Event Title              event startDate   Date               event endDate   Date               event notes    Event Details Here              event calendar   eventStore defaultCalendarForNewEvents              var event id                  do                   try eventStore save event  span   thisEvent                  event id   event eventIdentifier                           catch let error as NSError                   print  json error    error localizedDescription                               if event id                         print  event added

User · Answer

Remember to set the endDate to the created event  it is mandatory    Otherwise it will fail  almost silently  with this error     Error Domain EKErrorDomain Code 3  No end date has been set   UserInfo  NSLocalizedDescription No end date has been set      The complete working code for me is    EKEventStore  store    EKEventStore new    store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error        if   granted    return        EKEvent  calendarEvent    EKEvent eventWithEventStore store       calendarEvent title    NSString stringWithFormat   CEmprendedor        event name       calendarEvent startDate    event date         5 hours of duration  we must add the duration of the event to the API     NSDate  endDate     event date dateByAddingTimeInterval 60 60 5       calendarEvent endDate   endDate      calendarEvent calendar    store defaultCalendarForNewEvents       NSError  err   nil       store saveEvent calendarEvent span EKSpanThisEvent commit YES error  amp err       self savedEventId   calendarEvent eventIdentifier     saving the calendar event id to possibly deleted them

User · Answer

The Google idea is a nice one  but has problems   I can successfully open a Google calendar event screen - but only on the main desktop version  and it doesn t display properly on iPhone Safari  The Google mobile calendar  which does display properly on Safari  doesn t seem to work with the API to add events   For the moment  I can t see a good way out of this one

User · Answer

You can do this using the Event Kit framework in OS 4 0   Right click on the FrameWorks group in the Groups and Files Navigator on the left of the window  Select  Add  then  Existing FrameWorks  then  EventKit Framework     Then you should be able to add events with code like this    import  EventTestViewController h   import  lt EventKit EventKit h gt    implementation EventTestViewController  -  void viewDidLoad        super viewDidLoad        EKEventStore  eventStore     EKEventStore alloc  init        EKEvent  event     EKEvent eventWithEventStore eventStore       event title         EVENT TITLE        event startDate     NSDate alloc  init       event endDate       NSDate alloc  initWithTimeInterval 600 sinceDate event startDate         event setCalendar  eventStore defaultCalendarForNewEvents        NSError  err       eventStore saveEvent event span EKSpanThisEvent error  amp err              end

User · Answer

Update for swift 4 for Dashrath answer  import UIKit import EventKit  class ViewController  UIViewController        override func viewDidLoad             super viewDidLoad            let eventStore   EKEventStore            eventStore requestAccess  to  EKEntityType event  completion   granted  error  in              if  granted   amp  amp   error    nil                      let event   EKEvent eventStore  eventStore                   event title    My Event                  event startDate   Date timeIntervalSinceNow  TimeInterval                    event endDate   Date timeIntervalSinceNow  TimeInterval                    event notes    Yeah                     event calendar   eventStore defaultCalendarForNewEvents                  var event id                      do                      try eventStore save event  span   thisEvent                      event id   event eventIdentifier                                   catch let error as NSError                       print  json error    error localizedDescription                                       if event id                             print  event added                                                           override func didReceiveMemoryWarning             super didReceiveMemoryWarning              Dispose of any resources that can be recreated              also don t forget to add permission for calendar usage

User · Answer

Simple     use tapku library     you can google that word and use it    its open source    enjoy      no need of bugging with those codes

User · Answer

Swift 4 0 implementation    use import in top of page by import EventKit  then    IBAction func addtoCalendarClicked sender  AnyObject         let eventStore   EKEventStore        eventStore requestAccess  to  EKEntityType event  completion   granted  error  in          if  granted   amp  amp   error    nil                print  granted   granted                print  error   error                 let event   EKEvent eventStore  eventStore               event title    Event Title              event startDate   Date               event endDate   Date               event notes    Event Details Here              event calendar   eventStore defaultCalendarForNewEvents              var event id                  do                   try eventStore save event  span   thisEvent                  event id   event eventIdentifier                           catch let error as NSError                   print  json error    error localizedDescription                               if event id                         print  event added

User · Answer

Based on Apple Documentation  this has changed a bit as of iOS 6 0   1  You should request access to the user s calendar via  requestAccessToEntityType completion   and execute the event handling inside of a block   2  You need to commit your event now or pass the  commit  param to your save remove call  Everything else stays the same     Add the EventKit framework and  import  lt EventKit EventKit h gt  to your code   In my example  I have a NSString  savedEventId instance property   To add an event       EKEventStore  store    EKEventStore new        store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error            if   granted    return            EKEvent  event    EKEvent eventWithEventStore store           event title     Event Title           event startDate    NSDate date     today         event endDate    event startDate dateByAddingTimeInterval 60 60      set 1 hour meeting         event calendar    store defaultCalendarForNewEvents           NSError  err   nil           store saveEvent event span EKSpanThisEvent commit YES error  amp err           self savedEventId   event eventIdentifier     save the event id if you want to access this later           Remove the event       EKEventStore  store    EKEventStore new        store requestAccessToEntityType EKEntityTypeEvent completion   BOOL granted  NSError  error            if   granted    return            EKEvent  eventToRemove    store eventWithIdentifier self savedEventId           if  eventToRemove                NSError  error   nil               store removeEvent eventToRemove span EKSpanThisEvent commit YES error  amp error                       This adds events to your default calendar  if you have multiple calendars then you ll have find out which one that is  Swift version  You need to import the EventKit framework  import EventKit   Add event  let store   EKEventStore   store requestAccessToEntityType  Event    granted  error  in     if  granted   return       var event   EKEvent eventStore  store      event title    Event Title      event startDate   NSDate     today     event endDate   event startDate dateByAddingTimeInterval 60 60    1 hour long meeting     event calendar   store defaultCalendarForNewEvents     do           try store saveEvent event  span   ThisEvent  commit  true          self savedEventId   event eventIdentifier   save event id to access this particular event later       catch              Display error to user           Remove event  let store   EKEventStore   store requestAccessToEntityType EKEntityTypeEvent    granted  error  in     if  granted   return       let eventToRemove   store eventWithIdentifier self savedEventId      if eventToRemove    nil           do               try store removeEvent eventToRemove  span   ThisEvent  commit  true            catch                  Display error to user

User · Answer

Yes there still is no API for this  2 1   But it seemed like at WWDC a lot of people were already interested in the functionality  including myself  and the recommendation was to go to the below site and create a feature request for this  If there is enough of an interest  they might end up moving the ICal framework to the public SDK   https   developer apple com bugreporter

[ios] Programmatically add custom event in the iPhone Calendar

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