No widget placeholder with core data object

Question

Created Jul ’20

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Hello,
My widgets use core data to display informations, so for placeholder I create an example object that's going be used only for that placeholder.
I only get a blank, why ?
If I set the task to nil the view appear correctly, because in that case my view display only a Text.
I looks like I can't use a NSManagedObject subclass for constructing my view

Code Block func placeholder(with: Context) -> TaskEntry {
        let tmpContext = NSManagedObjectContext(concurrencyType: .mainQueueConcurrencyType)
        let task = Task(context: tmpContext)
        
        let subject = Subject(context: tmpContext)
        subject.title = "Oriented object Programming"
        task.subject = subject
        
        task.title = "learning abstract classes"
        
        task.deadline = Calendar.current.date(byAdding: .day, value: 1, to: Date())
        return TaskEntry(date: Date(), task: nil)
    }

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Answer 1

CedricLnx OP

Jul ’20

I have some other weird behaviours :

for a widget I get a blank view as placeholder (small), for another size I got the placeholder for when the property is nil but it isn't.

Both widgets should have the same placeholder and the filled one.

Just tested with an empty timeline for my second widget:

For that one that's the opposite, the medium is blank but this time the small one isn't showing a blank view or the version off the placeholder when the property is nil but a Text("Placeholder small").
How is that possible if this text isn't win my code ? It was there in a previous version but not the current one.

These bugs added to the fact when I run the iOS app widgets no longer work and placeholder is showed and they disappear from widget gallery. (a restart fix that)
So i have to run the app directly from widget target in Xcode.

All softwares are in beta 3, I tried clean build folder, restart device and Xcode

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Answer 2

CedricLnx OP

Jul ’20

widgetURL also working only for medium size and sometimes not at all

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