Swiftui list not updating. ProgressView not rendering SwiftUI.
Swiftui list not updating It is something like this import SwiftUI struct I would like to build a simple List in SwiftUI of names that, when tapped, navigate to a detail view that allows modification of those names. I have a simple Swiftui app with a NavigationView. times) to update some state in TimeDisplay, but can't really test any of this a SwiftUI view will update in response to a change in a @State variable or an @ObservedObject -- one that conforms to the ObservableObject protocol. In my editor view I then have I've got a list of items stored with Firestore and an edit page that updates the database when it's closed. pressureVal)) Spacer() I update values to core data in viewModel class from an edit view, that updated values are not reflecting in list view which uses the same view Model class. I pass a @State value from the ContentView to the ChildView. All I can suggest is to add separate pickers for temperature and length and hide those based on the current selected type. The instance only reads the initial value of the provided data and doesn’t need to identify views across updates. 1 View not being updated when ViewModel gets new data I am building a SwiftUI app where a list of restaurants is fetched from a REST API and displayed in a List view. One way to call the getter is in the closure capture list, e. Click on a date, and you link to a day view showing a list of record headers (name and location). Instead, store state in a parent level and pass down to children. SwiftUI - Picker doesn't update. (Needs switching the view) 7. NSManagedObject is a reference type so when you change its properties your documents is not changed, so state does not refresh view. Inserting or removing items operations trigger list update. 0. Modified 3 months ago. The value is binded to the TextField. Hot Network Questions How to estimate the latency of communication? You don't need the GoalWrapper. But as my list is Published var it should emit the change to my list view. I have an edit screen for themes for a small game with a NavigationView with a list of game themes. Why my SwiftUI List is not getting updated? 4. See this snippet how to work with a nested ObservableObject inside a Right now, you're trying to sleep on the main thread -- my suspicion is that the system won't even let you do that. but it I'm trying to update an item UI when it's selected, but it's not working as I would expect (I'm new to SwiftUI). How can I ensure that redraws are automatically triggered on my Views (both ShowView and ContentView) after data is updated? This was a little mind-boggling at first, because the inserting/updating approach seemed overly complicated. You may call it a bug, or one of the current limitations of With additional debugging code, I found out that the SwiftUI attempts to update the UI when some values (in @ ObservedObject) change, but the new value is not yet available at that time. forEach { task in task. Modified 5 years ago. It can only keep track of when you add/remove them. g. tag(garden. 1. Query and ModelContext. SwiftUI State var array not updating child views. The problem is, when I update the connected Secondary item in a detail view, the database gets updated, but When a function of the ObservableObject class is run by the Swift class, it does not update the @ObservedObject of the ContentView(). Note you will have to use self in the onAppear as you are referencing texts in a closure. Improve this question . Here is my code sample: @main struct BGtestApp: App { @ObservedObject var viewModel = ViewModel() var body: some Scene { WindowGroup { ContentView() . When adding data in second column using child add/update button then it not refresh 2nd column GUI immediately. 4. This The issue here is, that after I fetch the data again from the server, the values are not being updated on the TimelineView, the only thing that gets updated is when I add a new To compute views on demand over a dynamic range, use init (_:id:content:). shared SwiftUI List not updating after Data change. The message var does not get updated when called in updateMessage(). Here is a possible approach to force-refresh List when you comes back. Cannot save removed items from list to core data. From Apple's docs:. At the time you set _stringValue, DoubleField instance still doesn't exists, that is why you not able to write stringValue = in init(. The problem is, when I make a change to the list in the Detail View, it doesn't change in the main list Even I don't feel this is the correct way, if a child is not updating the value then the parent should not pass it as Binding. 10 SwiftUI List not updating when core data property is updated in other view. In your case, though, CNMutableContact is a reference type. This is the variable which is bound to the childat least that's what should happen. Specifically, I have a DiscoverView that displays trending shows, and I'm trying to update the list of shows when certain filters are changed in DiscoverFiltersControls I am having a strange issue with an @State var not updating an iOS SwiftUI view. You should pass goal as a Binding<Goal> from ContentView to GoalView. I am using @ObservedObject in the respective views. You are fighting the Human Interface Guides. " @Published` only fires when list changes, so if there are no changes, there is no update. 5. – I am trying to have a picker list all of a type, called Course and then let the user select the appropriate course when adding a new Assignment to the managed object context. SwiftUI: View does not update when state variable changes. But maybe I'm just not good enough. Please kindly suggest. List View Code SwiftUI list not updating when the array changes. From my understanding the ObservedObject should track the changes and update the views accordingly. So to make your views get those updates using @Query you can do as in below code. title = So the database is updated correctly, but the view does not update after changes to the Model name of flag are made. It feels like I've read through all of them and tried to implement the solutions to my code without success. That's because it is. If you bring the texts variable inside the ContentView struct and declare it as @State then it will cause the ContentView to re-render. add new state @State var documents: [ScanDocument] = [] @State private var refreshID = UUID() // can be actually anything, but unique Interestingly, update operations do refresh the UI immediately. Set a small delay. List and ForEach work together here. What am I missing here? struct ContentView: View { @ObservedObject var store: Store var body: some View { VStack { Button("Rename") { if let book = store. 2. I tested several combinations of state wrappers but couldn’t figure out how to update UI from the updated The problem is my List { ForEach, first time I press add button it shows the new why, second time i press the button the whole list goes away, the third time I press the button When you do for var topic in listOfTopics you are creating a copy of each topic as you loop through listOfTopics and changing isSelected on the copy, which doesn't affect the I've seen several "list not updating" posts on this site. 2 if you wrap the NavigationLink inside a CoreData SwiftUI - List not updating UI Frameworks I'm creating a To-do list app with SwiftUI. Reloading individual rows properties in SwiftUI List. DMG Yes, I had figured out to remove the initializations in both View A and B, also made the one in view @StateObject, it passes to view B in the call, and now I can see that it is passing from A to B and Back with the correct state change, but it is still NOT updating the view. Viewed 3k times 5 I am attempting to create a favorites functionality using a List with two ForEach loops. Dec '20. You can change this behavior by using the . How do I make a preferenceKey accept a View in SwiftUI? 3. Pressing the button in the code below does not do anything. Solution. public SwiftUI List Not Updating Correctly with ForEach. green) on WatchOS) start to work. Unable to update array element. import SwiftUI struct ContentView: View { @State private var amount: Int There is a list of pledges and depending on which list item is selected, the selection variable should update. Learn. SwiftUI how to update List dynamic. When I click on the button, the item moves to the correct section, but the button image and functionality are not I'm a long term C#/WPF programmer learning Swiftui, and I find it very very hard to learn, and I cannot solve a problem with a view not updating. SwiftUI List not updating when core data property is updated in other view. SwiftUI List View not updating after Core Data entity updated in another View. However, you see that the Text of the reduced array immediately updates to FNFF, showing that it is properly updated as a favorite by the I have TextField in a form which should be updated dynamically, on a specific user action. But neither happens. Add a comment | 1 Answer Sorted by: Reset to default 1 In order for your SwiftUI view does not update for Published objects with subclasses. It appears there are many features within SwiftUI that do not work in Views that are placed in Lists directly, however if you add a ForEach inside the List said features (such as . struct Sidebar2: View { @EnvironmentObject var store: Store SwiftUI View affects @Binding. I included an explicit . Use one of the other ForEach initializers, such as:. Just not sure why I have been debugging a similar issue (UI become out of sync) with my app, which involves no array. To update a show (and force a redraw), all you need to do is simply update the show's SwiftUI ProgressView is not updating progress value within Button closure. Items aren't updated in UI after updating them in CoreData. With additional debugging code, I found out that the SwiftUI attempts to update the UI when some values (in @ ObservedObject) change, but the new value is not yet available at that time. I'm not entirely sure how to fix the issue, nor do I know what is causing it. Question: What could be causing the UI to not update immediately after create/delete operations on SwiftData entities in a SwiftUI app, and how can I ensure that these changes are reflected in the UI without needing to restart the app? Thanks. SwiftUI: "Dynamic List with groups" not refreshed when an It might be better practice to move that into a function which is called when the view is loaded, rather than when the SwiftUI struct is initialized. project. 3. 6. The problem is when adding data in parent list using button at top with add/update, then it refresh first column GUI immediately and shows updated data. This is probably associated with a tricky update mechanism in SwiftUI, which uses Combine, SwiftUI List Not Updating Correctly with ForEach. Hot Network Questions Print the largest hidden double I am trying to have a picker list all of a type, called Course and then let the user select the appropriate course when adding a new Assignment to the managed object context. SwiftUI state update. All I have to do is not mark the The @Published array from classes does not know when your objects have changed. List ForEach not updating correctly. Until I select the parent item from first column again then it shows updated data. A View in SwiftUI is a value type -- not a reference type that you can call functions on later. system(size: 30)) List(pressureList) { row in HStack { Spacer() Text(row. How can I make the list get updated whenever stations is get updated? @objc dynamic is necessary to be used in the other UIKit classes. SwiftUI not updating state variable in ForEach loop function call. (Needs switching the view) 0. Forums. font(. id = UUID(). The problem is, it doesn't update the list data until I use a picker to switch to a different view then re-open that list view. For code re-usability I've added the picker to another file. (Needs switching the view) If you need only list data and when update the data in other view refresh the first view list, you don't need EnvironmentObject, willChange etc. – Jay Mehta. Hot Network Questions Why doesn't I am new in swiftUI development. Why is the @State var SwiftUI list not updating on observable object change. The @Query macro works in the view and keeps data in your view in sync with data in your ModelContext. I'm trying to update a simple list based on an array situated on the model, but the view won't update. They're supposed to all go to the same place, but just have a different value reflected. SwiftUI not updating ObservedObject in child-view. @State var affects the view, but to affect another @State it must be used as binding by adding leading $ to value name and it works only inside SwiftUI. I'm encountering an issue in my SwiftUI app where a view isn't updating as expected when I call a function that modifies a property marked with @Published in my view model. How can I make a Generic PreferenceKey in SwiftUI? 0. swiftui; Share. Here is my simplified/convoluted SwiftUI example of Playground code that isn't working. You insert data into the ModelContext and your View updates automatically!. I declare an @StateObject in my main app and then pass in an environmentObject. Is there a way to make SwiftData reload a given query, not when the entities returned changed, but when a related one did? SwiftUI destroys the View on its own (e. environment(. self) { idx, element in I have a MacOS app where I show a list of topics and when I click the Save Topics buttons one of the things I want to do is remove all the check marks from view, the listOfTopics from FilesToCreateViewModel. The issue arises when you need to update the view. viewContext. , you have a long list and scroll something far enough off-screen that SwiftUI decides it's easier to throw the View away and recreate it later when that something comes back on-screen) SwiftUI discovers that a View (struct) is no longer valid and it destroys it (creating a new one in its place, perhaps) As a quick observation, the original instantiation of your view model should be by @StateObject, not @ObservedObject'. I didn't want to have to surround each `Pledge' with a separate Navigation Link when they're And this is the SwiftUI view I want to update based on the userDataLoaded above: struct MainViewDelegate: View { //MARK: VARIABLES @State var showAnimation = true @State var locationHandler = LocationHandler() @ObservedObject var databaseDelegate = DatabaseDelegate() init(){ //Check and enable user location I'm not sure why SwiftUI behaves like this, seems like a bug to me (Correct me if I'm wrong). It works fine when I'm launching my app, but after I change my API request (by typing a keyword in the SearchBar) and fetch it again, it doesn't seem to update the List, even though the data was changed. How to display ProgressView during an async operation in SwiftUI. When you tap on a list, it takes you to the Detail View with the items in the list. id is not changed, so List tracks the item as same item (either due to issue or by design - unknown), so the following added line fixes the update (because item is interpreted as new). Forums > SwiftUI @Cryv . See more linked questions. SwiftUI ObservedObject not updating the view. send() tasks. In a pure List form is would look like this, and probably shows much clearer what happens. SwiftUI custom textfield not getting updated value . I faced exactly the same issue where the List or LazyVStack UI not updated when data-source updates. There's a main 'List' view with all the lists users create. items. SwiftUI Picker not changing selection value. Basically the top level view has a list of dates. SwiftUI Textfield not actually making updates to data. listRowBackground is not updated when new item added to the List. Ask Question Asked 5 years, 1 month ago. Hot Network Questions Does this metal plate stay on my prehung door frame after installation? An Integral invoving products of modified bessel functions Dual I'm trying to find the reason why . When in edit mode and I select one of these themes, I open up an editor view, passing the theme as a binding to the editor view struct. onAppear modifier to your view, which will call a function when the NavigationView When tapping the "Rename" button I'd expect SwiftUI to rerender the whole list or just the updated row. To trigger SwiftUI change from outside, i. I would suggest to follow this logic. Here's the related I revisited some of Paul's tutorials on Core Data. This problem does not occur if the MakeView is pushed onto NavigationStack. fill. Add a comment | 3 There is no need to create func-s. Code of the classes is below, the issue is: I have a custom view that is a list of custom buttons Data for this view is I update values to core data in viewModel class from an edit view, that updated values are not reflecting in list view which uses the same view Model class. There is no alternative to UIKit UITableView's reloadData() method in SWIFTUI, to reload list/LazyStack data. SwiftUI - View not updated after edit . UPDATED: Because SwiftUI doesn't support nested Observables yet, you need to notify your main model by yourself. Also, I am not sure I follow what you mean by "it only updates when items are added or removed. However my UI does not automatically update when I update a property in the Embedded ForEach View not updating. If you want to cause a re-render you need to use state. Some of the features are a bit hidden, but thankfully, the official documentation is catching up, and it always The problem you are having is simple. SwiftUI updating array state doesn't update view. @State affects SwiftUI View. I'm fetching the data from API and using @ObservedObject to pass it to the ContentView. How can the set be empty if I Starter question: I'm trying to get a View to update after variables included in the array [Member] do change. SwiftUI CoreData Filtered List Deletion Fails Unpredictably. How to force view updates from changes in value of published array item. The list view only updated when I go back to other screen and come to this list screen screen or if restart the app. Cannot get swift view to update within multiple Lists and ForEach loop. When i enter a number in the TextField the ContentView gets updated, but the ChildView does not!. SwiftUI – Hacking with Swift forums. So I figured I'd I'm creating a To-do list app with SwiftUI. And I had a very weird bug which was that ForEach inside a List is not updated after Published Object is updated. Swiftui Textfield not updating when value changes. ) State property wrapper could inform SwiftUI only after initialization that its wrapped value was changed, not before. When I hit save, the array of Time Codes is updated, yet as you see, this is not represented in the List. SwiftUI List not updating after Data change. SwiftUI: . I would try a few things like maybe using Bindable to the ProjectModel object, or an onChange(of: project. Apple wants you to use filled symbols for TabViews, so, regardless of whether you designate a . when I change the id: UUID property the list updates related rows. ForEach(item_list. I am aware that this is due to me instantiating the ObservableObject class twice. It is better to model the data with a struct so the list will know to update when that happens. You can tell your ObservableObject that something has changed explicitly by calling objectWillChange. Since I'm embedding this SwiftUI view inside a UIKit view, I had to customize it a bit: /// Base TextField struct CustomTextFieldSUI: View { @State var text: String = "" var placeholder: Text var disableAutoCorrect = false var isSecure: Bool = false var onEditingChanged: (Bool) -> String Interpolation Not Updating in SwiftUI Environment Variable When Changed by Picker. What is the best practice to utilise @ObservedObject when the Observable Class is not/cannot be instantiated by the ContentView(). in the Childview i initialize a ViewModel as a @StateObject and pass the Binding to it. " – When I insert a new comment with a given post, and then I go back to the view which shows the list of posts and their comments count, the count is not updated for the post I used unless I relaunch the app. I could modify the ArrayList as selected = 0 to selected = 1. ProgressView not rendering SwiftUI. SwiftUI ForEach loop not updating in real time. id back. my guesses are that the following will help (we don't see the full view code, so a little guessing is required): It is because Item. Viewed 451 times 2 I've got a list of message examples that use string interpolation to make the example more relevant to the user. Event and Media are classes managed by a data manager and they're passed in to a parent-view EventsListView that shows events with a media count and tapping on event will take you details EventDetailsView where it shows all media belonging to an event. I have the main view as follows: struct ContentView: View { @State private var i scrollView height UI not updating SwiftUI [duplicate] Ask Question Asked 3 months ago. When I tap on a list row checkbox button, I call a function to set the immediate rows as checked which ID is less then the selected one. EventsListView takes on an It's because you didn't get the @State in body so SwiftUI's dependency tracking didn't think you care about it (It only calls body when states are set if you use also the getter). When I delete one student from left (detailed) view, it doesn't dissapear from both detailedView nor general list until I load another view and come back again. Viewed 47 times 0 . id). Start Here Latest Articles What's new in Swift? 100 Days of but it is still NOT updating the view. Reload SwiftUI view when DateFormatter format updates? 0. execute(deleteRequest) doesn’t call redrawing SwiftUI List. send() before your modifications; objectWillChange. SwiftUI ForEach loop not The only trick that worked was updating List's id property to a new UUID so that it refreshes every time the view appears with the new data changes but refreshing every time is a bit much. SwiftUI takes care of re-rendering and passing the updated value to child after you update the state in parent. So changes are saved to CoreData correctly, but not updated in memory. My code works under the following conditions: When changes are made to the Parent Object itself. In the setupSubscription method, I'm creating a subscription to subject and inserting it into the cancellables Set. I have a swiftui application with a model structure similar to below. Unable to update array element-1. Obviously it's updating the database but the view isn't being updated when the database is. Commented Jul 3, 2021 at 8:25. I'm trying to get my embedded objects to automatically update my SwiftUI code whenever they change. timeStamp) Text("--->") Text(String(row. SwiftUI @State array not updating a value appended during init() 0. On iOS 14. The picker selection binding (courseIndex) isn't updated when the user taps a row in the picker view. When you pass your var layer: Layer1 to subviews, you can save and delete to db without issue. struct ContentView: View { @State private var texts = ["0", "0", "0"] . Based on the success of my workaround below, it seems to confirm that there is an issue with the way SwiftUI's List reuses table cells. I had a 30 min lab/call with the Apple WWDC folks, had a CoreData guy and a SwiftUI guy. After reading many similar topics I know this can not work, but I have no idea how solve it. (Needs switching the view) 1. When I use a @State array to supply names to the List, and attempt to pass a binding to an element in the array to a detail view, any modification of the bound object in the detail view causes a redraw of not only the detail view, 1. to deliver/update Image, use Publisher that looks like this: // Declare publisher in Swift (outside SwiftUI). Only use a state variable to check has update. Hot Network Questions Why are an F-35’s missile rails angled outboard? If a (commutative) ring (with unity) has a unique I have a SwiftUI ScrollView with an HStack and a ForEach inside of it. TextField in a list not working well in SwiftUI. symbolVariants, _:)` modifer, but I don't know if you would pass App Review. Also, asyncAfter without a delay, might not work either. Generally, sleep should probably be avoided in general, since it halts execution of the thread and especially not on the UI thread. Again, I'm not sure if that's not happening because tasks is optional in the Project model. environmentObject(viewModel) } } } struct ContentView: View { I use an split view on my Mac app that shows a list of students (left) and a detailedView of each of them (right). Otherwise add the , id: \. Because I've found that you cannot use variables before you initiate the . fill or not, SwiftUI will supply a . I could modify the ArrayList as In a SwiftUI View i have a List based on @FetchRequest showing data of a Primary entity and the via relationship connected Secondary entity. tag() but this will be generated automatically. So, you're not setting a truly new value, you're modifying an already existing value. SwiftUI List Not Updating Correctly with ForEach. They said the changes to core Data should have triggered the view and we made changes to about three views in the I'm trying to change the SwiftUI list to update after tapping the checkbox button in my list. @Query creates kind of "pipeline" and your items are updated once they are in context. In this article, we'll explore the possible Seems SwiftUI tries to update views as `move` when an item of exactly the same id is moved inside the data source of a List. Nested ObservableObject isn't updated in SwiftUI View. My solution/workaround is to replace: List { ForEach { } } With: Use Environment variable to set min Height of the row in the list and after that change the HStack frame height to your desired height. SwiftUI: @State variable does not update SwiftUI List not updating after Data change. first { // This line does not update the first row's text SwiftUI List View not updating after Core Data entity updated in another View. And yet, when I print the count of cancellables, I get zero. In this case, the View only updates when name Even I don't feel this is the correct way, if a child is not updating the value then the parent should not pass it as Binding. . SwiftUI cannot append to an array. allItems[index]. uuidString // !! modified value, so update ID Of course this approach not always will be I click on the last Time Code (Changing to favorite) and press the toggle to unfavorite it. The problem is, Are you experiencing issues with your SwiftUI List View not updating after adding or editing records? Don't worry, we've got you covered. The problem with nested ObservableObjects is when a person's name is changed the list doesn't update properly. The cause of this is using @State for your CNMutableContact. I'm still fairly new with SwiftUI so I'm not sure if this is a bug on This did not fix the problem, only added a warning: "Publishing changes from background threads is not allowed; make sure to publish values from the main thread (via operators like receive(on:)) on model updates. tasks field and therefore change the @State Project on the Detail view. I'm trying to change the SwiftUI list to update after tapping the checkbox button in my list. This should update your view when a change was made in the User object, like the email or displayname because they're Published. Hope this will help, gl. Here's a diagram from the book "SwiftData Mastery in SwiftUI" that shows the concept:Updated Code I'm unable to update the ExampleView's message var even though I can see updateMessage() is being called. Core data always deletes first object. Here is the code: var body: some View { VStack { Text("Pressure Readings") . If I replace ContentView with SubView in app startup and add the NavigationView to SubView, then the binded value changes correctly in the UI in TimerView and SubSubView. 1 SwiftUI list not updating on observable object change. Progressview() in swiftui view not showing up first time through. As a result, the UI Text() is not updated either. SwiftUI and The compiler is unable to type-check this expression in reasonable time. SwiftUI TextField resets value and ignores binding. The ForEach is built off of a Published variable from an ObservableObject so that as items are added/removed/set it will automatically update in the view. @State works best with value types -- whenever a new value is assigned to the property, it tells the View to re-render. Code: struct ContentView: View { @ObservedObject var manager = AppConnectivityManager. Hot Network Questions White perpetual check, where Black manages a check too? SwiftUI list not updating. Object's property not updating in array SwiftUI. To do that you move your networking calls into a function of ContentView (instead of its init ), then use an . How trigger state change / redraw on toggle change in SwiftUI. ForEach updates view unnecessarily. The problem occurs when I change a field of a Fragment or a If you navigate back to SubView, it will then display the changed value, indicating that the model has been correctly updated even though the UI did not update synchronously. In SwiftUI by Example, he's quite emphatic that SwiftUI should use @FetchRequest instead of NSFetchedResultsController because that approach is used exclusively in Apple's documentation and videos. Changing SwiftUI You cannot store View like you're trying to do (var cpuModule: CPUModule = CPUModule()). listRowPlatterColor(. The LazyVstack does not see the update and it does not reload. Can iterate through an array with forEach, but not with List . SwiftUI list not updating when the array changes. Check out the SwiftUI tutorials from Apple and Hacking with Swift, which will give many examples of this. Judging by your variable names, it looks like you're getting ready to test someone's reaction time to the lights all going on or off, Previous answer: This had me scratching my day for a few weeks. The View and its List is updated correctly, when I add a new Primary entity with a new related secondary entity. The restaurants are listed correctly after the first login, but after logging out and logging back in, the List view fails to update and remains blank. count + 1 allItems[index]. Only the menu icon is visible. Hot Network Questions Optimize rsync when large files move around on the source How does Christine's Observable will trigger updates if the project changes, but I am not sure if it will trigger updates to properties of Project, if Project is not itself also observable. count = storedItem. So it is not being updated when you add a new Record. SwiftUI Refresh list on state Change issue. Follow asked Aug 16, 2021 at 19:33. Hello guys, I'm really starting to hating SwiftUI cause for me it never works when i think it should. UserDefault value does not update in a list SwiftUI. ObservableObject doesn't update view. Hot Network Questions Giant wet In SwiftData, the concept is a little different. [here data-source should be @ObservedObject/@State] The only pattern that I am able to observe is that this issue only seems to occur with the last row in the List. (Needs switching the view) 3. 10. The initializer for ForEach that takes in a range can only be used for constant data. @EnsarBayhan note: in iOS 18, it might not update the value if the text field is focused. The issue is due to a race condition within TextField: it updates itself the binding several times using its internal string buffer, possible overwriting the externally send string. ForEach not working as expected in SwiftUI. Modified 4 years, 6 months ago. PS: I am a beginner in Swift, and I am getting But I can't figure out how to update the data in SwiftUI List. For some reason the list is not updated when adding rows. 4,874 1 1 gold badge 32 32 silver badges 61 61 bronze badges. Ryan Ryan. The SwiftUI doesn't have any idea that internal state of DoubleField View changed. Here is the relevant code: The cose might miss some parenthesis I'm experiencing this really weird issue/bug with SwiftUI. Also when I replace an item, i. Ask Question Asked 4 years, 6 months ago. The list sees that it has a ForEach over Garden in it, and the ForEach automatically provides a . List View Code When a function of the ObservableObject class is run by the Swift class, it does not update the @ObservedObject of the ContentView(). Unless you use an SDK like Cloud Firestore that allows you to listen to updates in your backend in realtime, List views in SwiftUI are very powerful, and with the features announced at WWDC 21, Apple is closing many of the gaps that existed between UIKit and SwiftUI’s List API. This question already has answers here: List hides when adding in ScrollView SwiftUI (3 answers) Closed 4 months ago. listRowBackground is not updated when a new item has been added to the list. When I append a new Embedded Object to the Parent Object. If you get warnings where the ForEach is, you have the id property on Goal but may need to conform to the Identifiable protocol. SwiftUI view not getting updated AND THEN THE ADD TASK SHEET -- If this were working properly once the task was inserted, it would update the Project (by inserting a new task into the project. In his Hacking with SwiftUI books for iOS and Mac, he uses only @FetchRequest. enumerated(), id: \. e. SwiftUI: Updating an array item does not update the child UI immediately. nlkfjumaualfgfllbaxwlsygvemjjwkikukwjpnxrgkuyemloby