Yes you described my view hierarchy perfectly. Thanks for confirmation. (I assume this you is addressing @OOPer.) Then you are doing something I cannot understand. You say I'm trying to pass data forward from my HdVC to my FaVC with Notification Center using a button called addToFav, but your button action addToFav just presents the next VC FavouritesVC, it does not send anything (You may need to fix some parts as described in Claude31's reply, but it is another issue than does not seem to pass my data.) Your FavouritesVC would try to send currentFav from FavouritesVC to HockeyDetailVC with Notification Center if currentFav is not nil (currentFav in FavouritesVC is always nil in viewDidLoad(), so it does nothing.) I first though that the code NotificationCenter.default.post... is sort of a test of passing something from FavouritesVC to HockeyDetailVC with Notification Center, but your description confuses me. If you want to send something with Notification Center from HockeyDetailVC to FavouritesVC, you need to call NotificationCenter.default.post... inside the method of HockeyDetailVC, after FavouritesVC get ready to receive it. Or your description from my HdVC to my FaVC is just a simple mistake and you want to pass something from FavouritesVC to HockeyDetailVC?

Isn't it the same issue announced as Resolved in iOS & iPadOS 14.5 beta 2? iOS & iPadOS 14.5 Beta 6 Release Notes - https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-14_5-beta-release-notes Updates in iOS & iPadOS 14.5 Beta 2 Combine Resolved in iOS & iPadOS 14.5 Beta 2 Using Published in a subclass of a type conforming to ObservableObject now correctly publishes changes. (71816443)

just stay at HdVC but transfer data to FaVC That depends on when and how you present your FavouritesVC. If it is not instantiated yet, you cannot pass anything to non-existent VC.

I guess you need some storage independent from FavouritesVC. For example: class FavouritesManager { static let shared = FavouritesManager() var favArr: [CurrentPlayers] = [] func add(_ player: CurrentPlayers) { favArr.append(player) NotificationCenter.default.post( name: .passFavNotification, object: player ) } } HockeyDetailVC class HockeyDetailVC: UITableViewController { //... var item: CurrentPlayers? /* This object value I want in FaVC */ override func viewDidLoad() { super.viewDidLoad() } @IBAction func addToFav(_ sender: Any) { let alert = UIAlertController(title: "Favourite Added 💙", message: "\(name.text ?? "") is added to favourites", preferredStyle: .alert) alert.addAction(UIAlertAction(title: "OK", style: UIAlertAction.Style.default) {_ in if let favPlayer = self.item { FavouritesManager.shared.add(favPlayer) } }) self.present(alert, animated: true, completion: nil) print("Favourite button Pressed") } //... } FavouritesVC class FavouritesVC: UITableViewController { //var currentFav: CurrentPlayers? /*this is the variable I want to set my item too. */ var favArr: [CurrentPlayers] { FavouritesManager.shared.favArr } override func viewDidLoad() { super.viewDidLoad() NotificationCenter.default.addObserver( self, selector: #selector(handleFavNotification), name: .passFavNotification, object: nil) //Other settings... //... } @objc func handleFavNotification(notification: Notification) { tableView.reloadData() // Or something else... } //... }

What can be the issue? Each parameter in a URL needs to be properly escaped. Better try using URLComponents: var myUser: String = "myUser" var myPassword: String = "myPassword" var msg: String = "This is the message text" var urlComponents = URLComponents(string: "https://sveve.no/SMS/SendMessage")! urlComponents.queryItems = [ URLQueryItem(name: "user", value: myUser), URLQueryItem(name: "myPassword", value: myPassword), URLQueryItem(name: "msg", value: msg), URLQueryItem(name: "f", value: "json"), ] let url = urlComponents.url! print(url) //-https://sveve.no/SMS/SendMessage?user=myUser&myPassword=myPassword&msg=This%20is%20the%20message%20text&f=json

Aren't functions with different signatures, supposed to be able to coexist? YES, when the functions are global: func nest1() - Int { print("nest1") return 3 } func nest1() - String { print("nest2") return "nest1" } Or they are methods: class MyClass { func nest1() - Int { print("nest1") return 3 } func nest1() - String { print("nest2") return "nest1" } } But, as for now, nested functions cannot be overloaded. Your code may work in the future version of Swift: Xcode 12.5 Beta 3 Release Notes - https://developer.apple.com/documentation/xcode-release-notes/xcode-12_5-beta-release-notes/ Updates in Xcode 12.5 Beta Swift Resolved Issues ・Function overloading now works in local contexts, making the following valid: ... Please get the latest beta of Xcode 12.5 and try by yourself.

It will say right answer no matter what answer someone puts in. Thanks, that saves us much time to explore your code. You have 3 instance variables ranA, ranB and answer, but there is no code updating them. I guess you need to update two methods: func solveitproblem() { ranA = Int.random(in: 0...9) //- remove `let ` ranB = Int.random(in: 0...9) //- remove `let ` topProblem.text = String(ranA) botProblem.text = String(ranB) //youAnswer.text = String(answer) //- Do you really need this? let speakProblem = AVSpeechUtterance(string: "What is \(topProblem.text! + ", plus ," + botProblem.text!)") speakit.speak(speakProblem) } @IBAction func btncheckAnswer(_ sender: Any) { //↓ Get user's answer into `answer` guard let answer = Int(youAnswer.text ?? "") else { //Do something when user does not input an integer value... //... return } self.answer = answer if ranA + ranB == answer { correctAnswer() } else { wrongAnswer() } } (You usually do not use arc4random_uniform, but changing it is not mandatory.)

OK. The basic principle of using async calls: If you want to Run something after acync thing, Do the next thing inside the completion handler. Your getDadJokes would look like this: func getDadJokes(completion: @escaping (Error?)-Void) { let collectionRef = self.db.collection("jokes") let documentRef = collectionRef.document("Dad Jokes") documentRef.getDocument(completion: { documentSnapshot, error in if let error = error { print(error) //Use `print(error)` rather than `print(error.localizedDescription)` completion(error) return } countDadJokes = (documentSnapshot?.data()!.count)! + 1 //print("count = \(count)") //Do the next thing inside the completion handler self.db.collection("jokes").document("Dad Jokes").addSnapshotListener { document, error in //check for error if let error = error { print(error) completion(error) return } //check if document exists if let doc = document, doc.exists { if let joke = doc.get("\(Int.random(in: 0...countDadJokes))") as? String { self.DadJokes = joke print("Joke: \(self.DadJokes)") //Do the next thing inside the completion handler completion(nil) return } else { completion(JokeError.noJoke) return } } else { completion(JokeError.noDocument) return } } }) } (Assuming you have reverted the changes to before introducing DispatchQueue.main.asyncAfter. The definition of JokeError will be shown later.) Your setRandomJoke (and JokeError) as follows: JokeError and setRandomJoke - https://developer.apple.com/forums/content/attachment/fa04c9a3-0678-4921-8df4-286f59f29fa1 And use it in this way: override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view. if NetworkMonitor.shared.isConnected { Utilities.checkads(bannerView: bannerView, bannerViewHeight: bannerViewHeight) checkAppVersion() setRandomJoke { error in if let error = error { print(error) //Do things on error return } //Do the next thing inside the completion handler self.checkRandomJokeFail() Utilities.styleFilledButton(self.changeJoke) self.checkRecentCat() if Utilities.openNum == 1 { self.Welcome.text = "Welcome! Check out our app. In the categories section you will find all of our jokes!" } print("saveCat Defaults = \(Utilities.saveCat)") } } else { randomJoke.text = "Random Joke: Failed to connect to server" adLoadError.text = "Error Loading Ad" Utilities.checkToHideAds(bannerViewHeight: bannerViewHeight) } //These may not be `the next thing` recentCat.delegate = self recentCat.dataSource = self bannerView.rootViewController = self bannerView.delegate = self } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) if NetworkMonitor.shared.isConnected { print("connected to internet") adLoadError.text = "Loading Ad" Utilities.checkads(bannerView: bannerView, bannerViewHeight: bannerViewHeight) bannerView.rootViewController = self checkRecentCat() recentCat.reloadData() if randomJoke.text == "Random Joke: " || randomJoke.text == "Random Joke: Failed to connect to server" { setRandomJoke { error in if let error = error { print(error) //Do things on error return } //Do the next thing inside the completion handler self.checkRandomJokeFail() Utilities.checkToHideAds(bannerViewHeight: self.bannerViewHeight) } } } else { print("not connected to internet") adLoadError.text = "Error Loading Ad" } } Your code still have many hidden things so I could not test this code. But hoping you can see what I mean by Do #3 in the completion handler of #2 or something like that.

Thanks for showing the definition. But in your shown code, self.nameArray.append(loc as! String) is commented out, so it does not make sense. Anyway, your code is full of bad practices and you should better update it. Please try the following code and tell us what you get from print statements. 				//#1 Start non-type identifiers with lower case letter 				var googleURLAPI = URLComponents(string: "https://maps.googleapis.com/maps/api/place/nearbysearch/json")! 				//#2 Better not call `addingPercentEncoding` yourself 				googleURLAPI.queryItems = [ 						URLQueryItem(name: "location", value: "\(origin.latitude),\(origin.longitude)"), 						URLQueryItem(name: "radius", value: "15000"), 						URLQueryItem(name: "type", value: "Fast Food"), 						URLQueryItem(name: "keyword", value: "Food"), 						URLQueryItem(name: "key", value: "API KEY"), 				] 				print(googleURLAPI.url!) 				 				var urlRequest = URLRequest(url: googleURLAPI.url!) 				 				urlRequest.httpMethod = "GET" 				 				let task = URLSession.shared.dataTask(with: urlRequest) { 						(data, response, error) in 						do { 								//making sure it actually has something 								if let error = error { 										throw error 								} 								//#3 Unwrap Optional safely with gurad-let 								guard let data = data else { 										print("data is nil") 										return // or throw some error 								} 								//For debugging, show response data as text 								print(String(data: data, encoding: .utf8) ?? "?") 								//#4 Better not use `try?`, use do-try-catch 								//#5 `mutableContainers` has no meaning in Swift 								//#6 Use Swift Dictionary type instead of `NSDictionary` 								guard let jsonDict = try JSONSerialization.jsonObject(with: data, options: .mutableContainers) as? [String: Any] else { 										print("response data is not a JSON object") 										return // or throw some error 								} 								//setting jsonDict to read datta from url 								//#7 Use Swift Array type instead of `NSArray` 								guard let results = jsonDict["results"] as? [[String: Any]] else { 										print("`results` is not an Array of JSON object") 										return // or throw some error 								} 								//print("or here",LocArray) 								for result in results { 										if let location = result["location"] as? String { 												self.tester.append(location) 												//self.nameArray.append(location) 										} else { 												//#8 Show debug info handling else-case 												print("value for `location` not found or not string") 												return // or throw some error 										} 								} 								self.printNames() 								//print("json = \(jsonDict)") 						} catch { 								print(error) 								//#9 Better use `NSLocalizedString` for future internationalization 								let title = NSLocalizedString("There was an Error", comment: "") 								let message = NSLocalizedString("We encountered an error while trying to connect to Google. Try again later.", comment: "") 								let alert = UIAlertController(title: title, message: message, preferredStyle: .alert) 								//#10 You can omit `handler:` when passing nil 								alert.addAction(UIAlertAction(title: "Okay!", style: .default)) 								self.present(alert, animated: true, completion: nil) 						} 				} 				task.resume() Generally, your original code disposes error info and ignores many unexpected cases, and also using too many forced unwrappings (!) and forced-castings (as!). Have you picked up this code from a very old article?

I've tried doing the method where pressing a button toggles a variable, but it just spits a bunch of errors. You may be doing something wrong. Can you show your code? would I need to make a new SwiftUI file, or could I incorporate the new view into the default ContentView.swift? Anyway, as you like.

Your code has several fundamental issues as a SwiftUI source: The body of ContentView contains ContentView (Are you trying sort of recursive view structure?) VStack block is not in body, nor in any other methods or computed properties (You should better keep your code always properly indented.)

I cannot find any code to set a non-nil value to exampleDrawings. I do not understand why you expect it to be non-nil.

I cannot reproduce the issue with using the code you have shown. (I needed to replace If to if, but other than that, exactly the same.) Can you explain more detailed steps till you get that weird result?

UPDATE: Assuming you are using my code with Result as is... How do I then get the data from that into a variable?  @State var singleObject: SingleObject? .onAppear { ApiCall().getSingleObject{ result in switch result { case .success(let singleObject): self.singleObject = singleObject case .failure(let error): print(error) } } } You say a single object, you usually do not use an Array for a single object.

Any hint ? It is a known issue that @State variables do not work when used in the closure of sheet. A possible workaround is making another View from the content of the sheet: struct YourView: View { //... var body: some View { //... .sheet(item: $activeSheet, onDismiss: dismissSheet) { item in PicView(item: item, inputImage: $inputImage) } //... } //... } struct PicView: View { var item: ... @Binding var inputImage: UIImage? var body: some View { switch(item) { case .selectPic: ImagePicker(image: $inputImage) case .editPic: DetailedPicView(inputImage: inputImage) } } }