What I am trying to do: I am writing a time/date program for iOS and MacOS that does things which Apple’s programs do not do. My program allows using, creating, and editing the same events one sees in Calendar.app, so my code uses EventKit and EventKitUI. And since my UI is written using SwiftUI, I have wrappers around EventKitUI classes. Mostly this works, but something weird is happening with EKEventEditViewController (used for creating new events).
We start off in the event view and press the “Add external event” (הוסף אירוע חיצוני) button.
EKEventEditViewController is shown in a popup.
We press the “Cancel” (ביטול) button and are asked if we want to cancel changes or continue editing. We affirm that we want to cancel. And then, as EKEventEditViewController disappears, something weird happens.
There is this weird blank space which will not go away. It even shows up in other tabs. And it does not seem to be anything laid over the bottom of my events list. According to Xcode, the bottom of the list is just… gone.
Note: I have not seen this problem in other contexts (adding an event, editing an event, other wrapped EventKitUI view controllers). It also only happens in iOS, not in macOS.
The code for my EKEventEditViewController wrapper:
import EventKit
import EventKitUI
import Foundation
import SwiftUI
struct ASAEKEventEditView: UIViewControllerRepresentable {
@Binding var action: EKEventEditViewAction?
@Environment(\.presentationMode) var presentationMode
func makeCoordinator() -> Coordinator {
return Coordinator(self)
} // func makeCoordinator() -> Coordinator
var event: EKEvent?
var eventStore: EKEventStore
func makeUIViewController(context: Context) -> EKEventEditViewController {
let eventEditViewController = EKEventEditViewController()
eventEditViewController.eventStore = eventStore
if let event = event {
eventEditViewController.event = event
}
eventEditViewController.delegate = context.coordinator
eventEditViewController.editViewDelegate = context.coordinator
return eventEditViewController
} // func makeUIViewController(context: Context) -> EKEventEditViewController
func updateUIViewController(_ uiViewController: EKEventEditViewController, context: Context) {
} // func updateUIViewController(_ uiViewController: EKEventEditViewController, context: Context)
class Coordinator: NSObject, EKEventEditViewDelegate, UINavigationControllerDelegate {
var parent: ASAEKEventEditView
init(_ parent: ASAEKEventEditView) {
self.parent = parent
} // init(_ parent: ASAEKEventEditView)
func eventEditViewController(_ controller: EKEventEditViewController, didCompleteWith action: EKEventEditViewAction) {
switch action {
case .canceled:
debugPrint(#file, #function, "Canceled")
case .saved:
debugPrint(#file, #function, "Saved")
case .deleted:
debugPrint(#file, #function, "Deleted")
@unknown default:
debugPrint(#file, #function, "Unknown default")
} // switch action
parent.action = action
parent.presentationMode.wrappedValue.dismiss()
} // func eventEditViewController(_ controller: EKEventEditViewController, didCompleteWith action: EKEventEditViewAction)
func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) {
debugPrint(#file, #function, navigationController, viewController, animated)
}
func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
debugPrint(#file, #function, navigationController, viewController, animated)
}
} // class Coordinator
} // struct ASAEKEventEditView
The code for showing the wrapped view controller (referencing some variables and constants):
Button(action:
{
self.showingEventEditView = true
}, label: {
Text(NSLocalizedString(ADD_EXTERNAL_EVENT_STRING, comment: ""))
})
.popover(isPresented: $showingEventEditView, arrowEdge: .top) {
ASAEKEventEditView(action: self.$action, event: nil, eventStore: self.eventManager.eventStore).frame(minWidth: FRAME_MIN_WIDTH, minHeight: FRAME_MIN_HEIGHT)
}
.foregroundColor(.accentColor)
Does anyone have any idea what is going wrong or what the weird blank space is? Thanks in advance for any help anyone can provide in getting rid of it.