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Recent questions tagged swift
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swift - print() to console log with color
The code is: let redColor = "u{001B}[0;31m" var message = "Some Message" print(redColor + message) //This ... I don't want to use libraries. See Question&Answers more detail:os...
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swift - Make struct Hashable?
I'm trying to create a dictionary of the sort [petInfo : UIImage]() but I'm getting the error Type ' ... for all occurrences of this struct? See Question&Answers more detail:os...
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swift - Get the last character of a string without using array?
I have a string let stringPlusString = TextBoxCal.text I want to get the last character of stringPlusString. ... something similar in Swift See Question&Answers more detail:os...
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Oct 24, 2021
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swift - How to add an optional string extension?
You can create a String extension like so: extension String { func someFunc() -> Bool { return true } } but ... specified by a 'where' clause See Question&Answers more detail:os...
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Oct 24, 2021
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676
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swift - How to reproduce this Xcode blue drag line
I'd like to reproduce the Xcode blue drag line in my app. Do you know a way to code this ? I know how to ... of all other items (on the screen). See Question&Answers more detail:os...
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Oct 24, 2021
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swift - IBAction inside UITableViewCell not called in iOS 9
I have a custom UITableViewCell subclass which contains a few IBAction methods wired up from a nib. Under ... developer.apple.com/thread/16179 See Question&Answers more detail:os...
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Oct 24, 2021
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swift - Showing the system Emoji keyboard by default on iOS 13
Solution Here is a full solution/work around for this issue, please up vote Blld's answer as well because this was the ... .2 and 13.2 (seed 1) See Question&Answers more detail:os...
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Oct 24, 2021
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swift
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773
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swift - Extend iOS 11 Safe Area to include the keyboard
The new Safe Area layout guide introduced in iOS 11 works great to prevent content from displaying below bars, but ... ? Or elsewhere? Thank you See Question&Answers more detail:os...
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Oct 24, 2021
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swift - iOS tableview how can I check if it is scrolling up or down
I am learning how to work with TableViews and I am wondering how can I figure out if the tableView is ... UIControlState.normal) return cell } See Question&Answers more detail:os...
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Oct 24, 2021
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swift - Drag and reorder - UICollectionview with sections
Is that possible to do drag and reorder from one section to another section from collectionview - iOS 9. ... collectionView?.reloadData() } } See Question&Answers more detail:os...
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Oct 24, 2021
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825
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swift - iOS 10 iMessage app extension: how do i calculate the height of the extra tall navbar
I downloaded the Xcode 8 beta and was trying to play around with the iMessages app extension sdk but ran into ... solution. thanks for the help See Question&Answers more detail:os...
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Oct 24, 2021
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swift
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swift - What is Content in SwiftUI?
In the documentation, I see Content in a different context: /// A modifier that can be applied to a ... predefined content usage in SwiftUI? See Question&Answers more detail:os...
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Oct 24, 2021
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swift
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swift - How do I perform a pagination query on Firebase's iOS SDK?
This is my model. messagesRef = Firebase(url: "https://"+CONSTANTS.FirebaseDB+".firebaseio.com/messages/1:1000") ... . How can I query this? See Question&Answers more detail:os...
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Oct 24, 2021
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swift
0
votes
789
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answer
swift - NSFontAttributeName has changed to String
i'm trying to style the navigation bar properly, i need to change the font to helvetica neue with a size point of ... font, how can i fix it? See Question&Answers more detail:os...
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Oct 24, 2021
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swift
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votes
1.0k
views
1
answer
swift - Invalid code signature due to inadequate entitlements
I am trying to run an app on my physical device, it starts to build onto my device then crashes due to an ... supposed to do. Can anyone help? See Question&Answers more detail:os...
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Oct 24, 2021
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swift
0
votes
1.2k
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1
answer
swift - How to improve camera quality in ARKit
I am building an ARKit app where we want to be able to take a photo of the scene. I am finding ... get AVCapturePhotoOutput to work with ARKit See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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swift
0
votes
839
views
1
answer
swift - Do capture lists of inner closures need to redeclare `self` as `weak` or `unowned`?
If I have a closure passed to a function like this: someFunctionWithTrailingClosure { [weak self] in ... as well? Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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swift
0
votes
870
views
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swift - How to create enum with raw type of CGPoint?
Inspired from this question. Swift support to create enum with any raw type, so it will be nice to able to ... enum with raw type of CGPoint? See Question&Answers more detail:os...
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Oct 24, 2021
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swift
0
votes
1.5k
views
1
answer
swift - How to use Alamofire with custom headers for POST request
I implemented a POST request with Alamofire with a custom header, because we work with OAuth2 and we have to send an ... ("ERROR: (error)") } See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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swift
0
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845
views
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answer
swift - Is force cast really bad and should always avoid it?
I started to use swiftLint and noticed one of the best practices for Swift is to avoid force cast. However I used it ... } else { // code } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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swift
0
votes
923
views
1
answer
swift - SwiftUI: How to present view when clicking on a button?
I'm trying to make an app using Apple's SwiftUI and I need to have two buttons that present two different views ... the two cases, it doesn't. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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swift
0
votes
621
views
1
answer
swift - Order of modifiers in SwiftUI view impacts view appearance
I'm following the first tutorial in Apple's series explaining how to create & combine views in a SwiftUI ... know when it is important? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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swift
0
votes
1.0k
views
1
answer
swift - How can i add a 2dView having text in ARkit scene iOS
How can i add a 2dView having text in ARkit scene iOS.How can i add that view in top of a node that won't rotate when we rotate the node. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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swift
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votes
1.2k
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answer
swift - Debug view hierarchy in Xcode 7.3 fails
This function fails with runtime error: -[UIWindow viewForFirstBaselineLayout]: unrecognized selector sent to instance ... ?.makeKeyAndVisible() See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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swift
0
votes
1.0k
views
1
answer
swift - How to change navigationBar height in iOS 11?
Apparently changing the navigationBar height faced a new approach in iOS 11. in previous iOS versions it was possible ... to solve the problem? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
swift
0
votes
1.3k
views
1
answer
swift - Isn't there an easy way to pinch to zoom in an image in Swiftui?
I want to be able to resize and move an image in SwiftUI (like if it were a map) with pinch to zoom and drag ... know if there's an easier way? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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swift
0
votes
756
views
1
answer
swift - Could not find an overload for '/' that accepts the supplied arguments
// Playground - noun: a place where people can play func getAverage(numbers: Int...) -> Double{ var total = 0 ... was set to 4 instead of 4.5 See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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swift
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votes
1.6k
views
1
answer
swift - How to split an Int to its individual digits?
I am trying to split an Int into its individual digits, e.g. 3489 to 3 4 8 9, and then I want to put ... { array.append(digit) } Any ideas? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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