swift Questions

Xcode – Background fetch with BGTaskScheduler works perfectly with debug simulations but never works in practice

November 15, 2020
Justin
2 Answers

I register the background fetch task in didFinishLaunchingWithOptions of the appDelegate: BGTaskScheduler.shared.register(forTaskWithIdentifier: BackgroundScheduler.shared.backgroundTaskId, using: DispatchQueue.main) { task in BackgroundScheduler.shared.handleAppRefresh(task: task as! BGAppRefreshTask) } The handleAppRefersh function schedules for another refresh task and calls the fetch method of the operation and…

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Xcode – Swift NotificationObserver not working with a modally presented ViewController

November 14, 2020
Lukas
2 Answers

I'm currently trying to open a modally presented ViewController when pushing a button and send some Data to this modally ViewController by a Notification. The problem is that the NotificationObserver seems not to be working on the modally presented ViewController.…

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Xcode – How to change the color of View in collection view

November 14, 2020
user5438001
2 Answers

How to change the color of view in collection view when it select and when the select the other view before view came to original color How to set it?

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Xcode – How to use a UISwitch to add and remove data from an Array of Data

November 13, 2020
Esore
2 Answers

I have a tableview with a UISwitch in each of the cells. What I am trying to do is that whenever the UISwitch is Toggled On, it adds that cell into an array and when the switch is Toggled Off…

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Xcode – SWIFT: Button Title changing back to original title unwarranted

November 12, 2020
user10368914
2 Answers

So I have the following code which executes upon tapping one side or another of my segmented control: @IBAction func logInOrSignUpIndexChanged(_ sender: UISegmentedControl) { // Correct setup for Sign Up if sender.selectedSegmentIndex == 0 { confirmPasswordTextfield.isHidden = false confirmPasswordTextfield.isUserInteractionEnabled =…

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Xcode – Appstore version API is giving different version

November 12, 2020
Fast Coderz
2 Answers

I am using this version lookup API for checking the updated version: https://itunes.apple.com/lookup?bundleId=xxx.yyyyy.zzz The result is different when i call API from mobile app, Postman and AppStore from code, it is showing old version in xcode debug 3.0.0: In Postman…

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Xcode – Stored properties cannot be marked potentially unavailable with '@available'

November 12, 2020
Jersey
2 Answers

I found an interesting question about @available in Swift. I added a var "UISwipeActionsConfiguration" that supports iOS 11 and above to the TableView I encapsulated to support the left-slide edit and delete function of the list cell. I tried to…

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Echo in preaction Xcode

November 11, 2020
ozd
2 Answers

I'm trying to find the output of echo 'hello world' which I added to - edit scheme -> Build -> pre-action -> add run script, in Xcode. I've tried to find it in the build in the "report navigator" sector…

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Xcode – Customize tabview titlebar

November 11, 2020
Soumya Mahunt
2 Answers

I want to display title of my each view in tabview at the top with the text being left aligned, currently when I toggle the top titlebar in storyboard I get something like this: But when I run my app…

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Xcode – Unity 3D Scene loading Issue in iOS Build

November 9, 2020
Ali Hussain
2 Answers

I've got a problem with screen loading issue in iOS build, It works well in Android but the same build is not working properly in iOS. While loading to the other screen sometimes it takes time to load and sometimes…

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