swift Questions

Xcode – How can I use swift Viewcontroller through write coding to open the objective-c Viewcontrollerv page?

June 3, 2021
user16104694
2 Answers

The error log like below 2021-06-03 09:59:16.251029+0800 testing2[7167:2095191] [Storyboard] Unknown class _TtC8testing218NextViewController in Interface Builder file. Could not cast value of type 'UIViewController' (0x1d8c46428) to 'NextViewController' (0x102a90c50). 2021-06-03 09:59:16.252513+0800 testing2[7167:2095191] Could not cast value of type 'UIViewController' (0x1d8c46428) to 'NextViewController'…

VIEW QUESTION

Xcode – Swift UIEdgeInsets not working properly, how to add spacing between cells?

June 2, 2021
Mashiba Sakuto
2 Answers

I want to add spacing between multiple custom cells. I have multiple sections that contains the cells. I have a ViewController class for the UITableView where I specify the information: struct customCell { let title: String } func configure() {…

VIEW QUESTION

Xcode – Updating location to server every X minutes iOS

I am trying to update location from app to firebase after every X minutes ( any value less than 15mins is good). I have enabled background mode for location and in following method I try to upload to Firestore document.…

VIEW QUESTION

Xcode – How to endEditing on UIViewRepresentable in SwiftUI?

June 1, 2021
devOP1
3 Answers

I have a first responder textField but I want to be able to close the keyboard when the screen is tapped or when the user presses a button. Here is my UIViewRepresentable: public struct CustomSTPPaymentCardTextField: UIViewRepresentable { @Binding var paymentMethodParams:…

VIEW QUESTION

Xcode – CoreData gets added to Table View AGAIN Every Time I Show View Controller (duplicates data)

June 1, 2021
Rem Biths Wind
2 Answers

I followed this tutorial https://www.youtube.com/watch?v=35mKM4IkHS8&lc=UgztyK4XjUuAOrKk0XJ4AaABAg.9LtwRc_M0Gv9Nt8GIlAzDo Basically I made a NotePad App that has a core data save function. I made this app on another view controller So There is MainViewController > NoteViewViewController The first time I click the notepad section…

VIEW QUESTION

Xcode – How to tell if UITableView in custom UISearchBar is touched?

June 1, 2021
helloworld12345
2 Answers

I am trying to create a custom UISearchBar that is placed as the titleView of a navigationController. Using the following code, the suggestionTableView of suggestions appears perfectly; however, It does not recognize any taps. In fact, it is like the…

VIEW QUESTION

Xcode – How to clear the background of a SceneView 3D Object in SwiftUI

May 31, 2021
felipe.code
2 Answers

Does anyone knows how to clear the background of a SceneView 3D Object? I'm trying using UIColor.clear, but it makes it white. [] import SwiftUI import SceneKit struct TestView: View { var body: some View { ZStack{ Color.green SceneView( scene:…

VIEW QUESTION

Xcode – How to make a UIPageControl in ViewController update when PageViewController is swiped

May 31, 2021
Matthew
2 Answers

I have three classes OnboardingViewController, OnboardingPageViewController, and OnboardingContentViewController. In my ViewController class, I have a UIPageControl that updates whenever I press the UIButton "Next" beneath it. This is working as intended. However I want to make the UIPageControl updated according…

VIEW QUESTION

Xcode – how to convert UITextField to Float in swift

May 31, 2021
Luka Vujnovac
4 Answers

I am trying to convert some data types and cannot find anything helpful online. Data types in question are UITextField to Float - I tried doing it this way, but it does not work. let billTotalFormated = Float(billTotal.text ?? 0.0)…

VIEW QUESTION

Xcode – Use regular expression in Swift String.contains() func

May 28, 2021
JerseyDevel
3 Answers

In Swift, I have a String Variable thisString. I want to check to make sure the string contains only letters, numbers and/or dashes (-). Aside from doing this: if ( thisString.contains("$") || thisString.contains("%") ) { //reject } else { //accept…

VIEW QUESTION