iOS Question Problem GetField NativeObject

M

mayahandayani

Member
Licensed User
Hello...
I'm using NativeObject to CalendarEvent like this

B4X: 
For Each e As CalendarEvent In Events
     Private no As NativeObject = e
Next

when I log the "no", the result like this :

B4X: 
<B4INativeObject: EKEvent <0x28348d080>
[<EKEvent 0x280780160> valueForUndefinedKey:]: this class is not key value coding-compliant for the key recurrence.
{
     EKEvent <0x28348d080>
{     title =         test;
     location =     (null);
     calendar =     EKCalendar <0x2816d1580> {title = [email protected]; type = CalDAV; allowsModify = YES; color = #CCA6ACFF;};
     alarms =         (
    "EKAlarm <0x2816d1300> {triggerInterval = -1800.000000}"
);
     URL =             (null);
     lastModified = 2024-05-28 7:19:11 AM +0000;
     startTimeZone =     Asia/Jakarta (GMT+7) offset 25200;
     endTimeZone =     Asia/Jakarta (GMT+7) offset 25200
};
     location =     (null);
     structuredLocation =     (null);
     startDate =     2024-06-05 5:00:00 AM +0000;
     endDate =         2024-06-05 6:00:00 AM +0000;
     allDay =         0;
     floating =     0;
     recurrence =     EKRecurrenceRule <0x2820ab0c0> RRULE FREQ=DAILY;INTERVAL=3;COUNT=5;
     travelTime =     (null);
     startLocation =     (null);
};>

Actually, I want to get all field like location, recurrence, etc
but when I try to GetField "recurrence" like this
B4X: 
Private recurrence As NativeObject = no.GetField("recurrence")
I get error like this
B4X: 
Error occurred on line: 322 (B4XMainPage)
[<EKEvent 0x282250a50> valueForUndefinedKey:]: this class is not key value coding-compliant for the key recurrence.
Stack Trace: (
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 601204
  libobjc.A.dylib      objc_exception_throw + 56
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 1430672
  Foundation           F9235FC7-EC4E-31C9-B56E-95CF10B07239 + 1339368
  Foundation           F9235FC7-EC4E-31C9-B56E-95CF10B07239 + 156824
  Business Calendar PRP V1            0x0000000104e006cc -[B4INativeObject GetField:] + 120
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 134384
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 249304
  Business Calendar PRP V1            0x0000000104deb768 +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1348
  Business Calendar PRP V1            0x0000000104e943e8 -[B4IShell runMethod:] + 320
 Business Calendar PRP V1            0x0000000104e9349c -[B4IShell raiseEventImpl:method:args::] + 928
 Business Calendar PRP V1            0x0000000104e95f1c -[B4IShellBI raiseEvent:event:params:] + 1008
 Business Calendar PRP V1            0x0000000104e9eb88 -[B4IDebugResumableSub resume::] + 292
 Business Calendar PRP V1            0x0000000104deb0f0 -[B4I checkAndRunWaitForEvent:event:params:] + 468
 Business Calendar PRP V1            0x0000000104e95eb4 -[B4IShellBI raiseEvent:event:params:] + 904
 Business Calendar PRP V1            0x0000000104df2c74 __37-[B4ICommon ReturnFromResumableSub::]_block_invoke + 256
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 405652
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 409748
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 68932
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 67988
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 319508
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 46328
 CoreFoundation       CFRunLoopRunSpecific + 572
 GraphicsServices     GSEventRunModal + 160
 UIKitCore            9D301877-2593-385C-8F72-F075AA0B48FA + 5134984
 UIKitCore            UIApplicationMain + 336
 Business Calendar PRP V1            0x0000000104a60064 main + 100
 dyld                 start + 444
)

Any idea?
Btw this is my first post so sorry if I make mistake

Thanks
 
Last edited:
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M

mayahandayani

Member
Licensed User
Erel said:
The property name is: https://developer.apple.com/documen...daritem/1507135-recurrencerules?language=objc

It will return a List.
Click to expand...
Hi Erel! Thank you for your support..

Now I'm trying to add event with recurrencerule

B4X: 
Dim ev As CalendarEvent = store.CreateEvent
Dim newEvent As NativeObject = ev

Dim recurrenceRule As NativeObject
recurrenceRule.Initialize("EKRecurrenceRule")
recurrenceRule.RunMethod("initRecurrenceWithFrequency:interval:end:", Array(1, 2, CreateRecurrenceEnd(5)))
Dim recurrenceRules As List
recurrenceRules.Initialize
recurrenceRules.Add(recurrenceRule)
newEvent.SetField("recurrenceRules", recurrenceRules)

B4X: 
Sub CreateRecurrenceEnd(count As Int) As NativeObject
    Dim recurrenceEnd As NativeObject
    recurrenceEnd.Initialize("EKRecurrenceEnd")
    recurrenceEnd = recurrenceEnd.RunMethod("recurrenceEndWithOccurrenceCount:", Array(count))
    Return recurrenceEnd
End Sub

but I've got error like this
B4X: 
Error occurred on line: 885
Method not found: initRecurrenceWithFrequency:interval:end:, target: EKRecurrenceRule
Stack Trace: (
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 601204
  libobjc.A.dylib      objc_exception_throw + 56
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 941668
  Business Calendar PRP V1            0x0000000100c66dfc +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 352
  Business Calendar PRP V1            0x0000000100c7bf8c -[B4INativeObject RunMethod::] + 176
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 134384
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 249304
  Business Calendar PRP V1            0x0000000100c671e0 +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1348
  Business Calendar PRP V1            0x0000000100d0fce4 -[B4IShell runVoidMethod] + 168
  Business Calendar PRP V1            0x0000000100d0f058 -[B4IShell raiseEventImpl:method:args::] + 1252
 Business Calendar PRP V1            0x0000000100d11994 -[B4IShellBI raiseEvent:event:params:] + 1008
 Business Calendar PRP V1            0x0000000100bf8970 -[b4i_pageinputjadwal _btnsimpan_click:] + 220
 Business Calendar PRP V1            0x0000000100bf8800 -[b4i_pageinputjadwal _b4xpage_menuclick::] + 468
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 134384
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 249304
 Business Calendar PRP V1            0x0000000100c671e0 +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1348
 Business Calendar PRP V1            0x0000000100d0fe60 -[B4IShell runMethod:] + 320
 Business Calendar PRP V1            0x0000000100d0ef14 -[B4IShell raiseEventImpl:method:args::] + 928
 Business Calendar PRP V1            0x0000000100d11994 -[B4IShellBI raiseEvent:event:params:] + 1008
 Business Calendar PRP V1            0x0000000100c66748 __33-[B4I raiseUIEvent:event:params:]_block_invoke + 52
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 405652
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 409748
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 68932
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 67988
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 319508
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 46328
 CoreFoundation       CFRunLoopRunSpecific + 572
 GraphicsServices     GSEventRunModal + 160
 UIKitCore            9D301877-2593-385C-8F72-F075AA0B48FA + 5134984
 UIKitCore            UIApplicationMain + 336
 Business Calendar PRP V1            0x00000001008d0064 main + 100
 dyld                 start + 444
)

Any solution?
Thanks
 
Last edited:
Upvote 0
Erel

Erel

B4X founder
Staff member
Licensed User
Longtime User
B4X: 
Dim recurrenceRule As NativeObject
recurrenceRule = recurrenceRule.Initialize("EKRecurrenceRule").RunMethod("alloc", Null)
recurrenceRule.RunMethod("initRecurrenceWithFrequency:interval:end:", Array(1, 2, CreateRecurrenceEnd(5)))

The method signature starts with a minus sign: https://developer.apple.com/documen...273-initrecurrencewithfrequency?language=objc
This means that it is an instance method, not a class method.
To create an instance you need to call the "alloc" method.
 
Upvote 0
M

mayahandayani

Member
Licensed User
Erel said:
B4X: 
Dim recurrenceRule As NativeObject
recurrenceRule = recurrenceRule.Initialize("EKRecurrenceRule").RunMethod("alloc", Null)
recurrenceRule.RunMethod("initRecurrenceWithFrequency:interval:end:", Array(1, 2, CreateRecurrenceEnd(5)))

The method signature starts with a minus sign: https://developer.apple.com/documen...273-initrecurrencewithfrequency?language=objc
This means that it is an instance method, not a class method.
To create an instance you need to call the "alloc" method.
Click to expand...
Hi Erel!
Thank you for your advice

I've tried it but the error is still same like on my previously reply, so I just add RunMethod("init",Null) and my code like this
B4X: 
Dim recurrenceRule As NativeObject
recurrenceRule.Initialize("EKRecurrenceRule").RunMethod("alloc", Null).RunMethod("init",Null).RunMethod("initRecurrenceWithFrequency:interval:end:", Array(0, 2, CreateRecurrenceEnd(5)))
Dim recurrenceRules As List
recurrenceRules.Initialize
recurrenceRules.Add(recurrenceRule)
newEvent.SetField("recurrenceRules", recurrenceRules)

but I've got error on line
newEvent.SetField("recurrenceRules", recurrenceRules)

the error is
B4X: 
Error occurred on line: 919 (pageInputJadwal)
+[EKRecurrenceRule frozenObject]: unrecognized selector sent to class 0x1f6aa8378
Stack Trace: (
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 601204
  libobjc.A.dylib      objc_exception_throw + 56
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 1455664
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 181580
  CoreFoundation       _CF_forwarding_prep_0 + 92
  EventKit             DACE06C2-9E39-368E-9829-288CA8D97AAE + 187680
  EventKit             DACE06C2-9E39-368E-9829-288CA8D97AAE + 398084
  Foundation           F9235FC7-EC4E-31C9-B56E-95CF10B07239 + 163704
  Business Calendar PRP V1            0x0000000105221d9c -[B4INativeObject SetField::] + 116
  CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 134384
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 249304
 Business Calendar PRP V1            0x000000010520cd60 +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1348
 Business Calendar PRP V1            0x00000001052b5864 -[B4IShell runVoidMethod] + 168
 Business Calendar PRP V1            0x00000001052b4bd8 -[B4IShell raiseEventImpl:method:args::] + 1252
 Business Calendar PRP V1            0x00000001052b7514 -[B4IShellBI raiseEvent:event:params:] + 1008
 Business Calendar PRP V1            0x0000000105198d74 -[b4i_pageinputjadwal _btnsimpan_click:] + 220
 Business Calendar PRP V1            0x0000000105198c04 -[b4i_pageinputjadwal _b4xpage_menuclick::] + 468
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 134384
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 249304
 Business Calendar PRP V1            0x000000010520cd60 +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1348
 Business Calendar PRP V1            0x00000001052b59e0 -[B4IShell runMethod:] + 320
 Business Calendar PRP V1            0x00000001052b4a94 -[B4IShell raiseEventImpl:method:args::] + 928
 Business Calendar PRP V1            0x00000001052b7514 -[B4IShellBI raiseEvent:event:params:] + 1008
 Business Calendar PRP V1            0x000000010520c2c8 __33-[B4I raiseUIEvent:event:params:]_block_invoke + 52
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 405652
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 409748
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 68932
 libdispatch.dylib    9CCDBDE3-15E1-3A45-B330-4A5E2C3F92BD + 67988
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 319508
 CoreFoundation       EEC1287D-059B-38C8-9BC1-58A0C8B1E6C2 + 46328
 CoreFoundation       CFRunLoopRunSpecific + 572
 GraphicsServices     GSEventRunModal + 160
 UIKitCore            9D301877-2593-385C-8F72-F075AA0B48FA + 5134984
 UIKitCore            UIApplicationMain + 336
 Business Calendar PRP V1            0x0000000104e70064 main + 100
 dyld                 start + 444
)

Note : log from recurrenceRules is
B4X: 
recurrenceRules : <B4IList: (
    EKRecurrenceRule
)>

Any idea to fix that?
Thanks
 
Last edited:
Upvote 0
M

mayahandayani

Member
Licensed User
Erel said:
This code works:
B4X: 
Dim recurrenceRule As NativeObject
recurrenceRule = recurrenceRule.Initialize("EKRecurrenceRule").RunMethod("alloc", Null)
recurrenceRule.RunMethod("initRecurrenceWithFrequency:interval:end:", Array(1, 2, CreateRecurrenceEnd(5)))
Click to expand...
Hi Erel! Thank you so much, it works!

but I have one question about invitees
I want add some emails & my code like this
B4X: 
Dim attendee As NativeObject
attendee.Initialize("EKParticipant")
Dim url As NativeObject
url.Initialize("NSURL")
url = url.RunMethod("URLWithString:", Array("mailto:" & "[email protected]"))
Dim attend As List
attend.Initialize
attend.Add(url)
attendee.SetField("URL", attend)          
newEvent.SetField("attendees", Array(attendee))

and I've got error like this
B4X: 
[<EKParticipant 0x1f64fca80> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key URL.

what's wrong?
thanks
 
Last edited:
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