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SWIFT QUESTIONS

Adding Multiple Images to UIPageViewController using Camera
Adding Multiple Images to UIPageViewController using Camera
it fixes the issue ok, think I got it, i changed the array to pass to the pageviewcontroller from the contentviewcontroller UIImages instead of filename strings.Also, since the array was nil i didn't start the pageviewcontroller until after the first
TAG : swift
Date : December 01 2020, 05:00 PM , By : Chuck
Should I ever prefer operators overloading over functions/methods?
Should I ever prefer operators overloading over functions/methods?
Any of those help The main reason for overloading is comfort of using custom class with mathematic or logic backgroundlike:
TAG : swift
Date : December 01 2020, 05:00 PM , By : anele
How to call/get date and time from a website in swift
How to call/get date and time from a website in swift
wish of those help So im very new to swift and im building an ios app that requires the date and time to be called from a website( such as http://www.timeanddate.com/worldclock/ or http://24timezones.com/world_directory/current_sydney_time.php). I ha
TAG : swift
Date : November 29 2020, 09:01 AM , By : Siby Sabu
rxswift error handle issue
rxswift error handle issue
I wish this help you I suggest to make the type of createObservable PublishSubject, instead of BehaviorSubject which, I guess, accidentally flattens two Rx streams conceptually separatable each other: the saveObject process itself (an one-shot proces
TAG : swift
Date : November 28 2020, 09:01 AM , By : Imtiaz Abedin
Cannot stream video with swift 2 AVPlayerViewController
Cannot stream video with swift 2 AVPlayerViewController
I think the issue was by ths following , Ok so I do it the import AVkit method. Go to your target file and go to general. Add AVKit.framework, I make sure it is embedded as well as linked frameworks and libraries. Then I go make a new file and make i
TAG : swift
Date : November 28 2020, 09:01 AM , By : Alice O'Leary
PFFile as UIImageView
PFFile as UIImageView
I hope this helps you . I ended up solving this issue. I made my custom cell a PFTableViewCell and turned the image into a PFImageView. I then used the following code, which works around converting the PFFile into a UIImage because PFImageView can ac
TAG : swift
Date : November 28 2020, 09:01 AM , By : Dave
Sort dictionary keys by value, then by key
Sort dictionary keys by value, then by key
I hope this helps you . I'd like to iterate over the keys of a dictionary, sorted first by value (descending), and then by key (ascending) , Xcode 8 beta 6 • Swift 3 • Swift 4
TAG : swift
Date : November 26 2020, 09:01 AM , By : abhinash singh
What's going on with this generic function?
What's going on with this generic function?
will help you Arrays don't automatically conform to Equatable, even if their values are Equatable. However, when you use an array literal directly, the compiler tries to match the type and converts the array to an NSArray which does conform to Equata
TAG : swift
Date : November 25 2020, 09:00 AM , By : edri
How to implement a failable initializer for a class conforming to NSCoding protocol in Swift?
How to implement a failable initializer for a class conforming to NSCoding protocol in Swift?
around this issue UPDATE: This was addressed in the Swift 2.2 update, and you no longer have to assign a nil value and call super prior to failing an initializer.For version of Swift prior to 2.2:
TAG : swift
Date : November 25 2020, 09:00 AM , By : Ralph Jacobs
Swift: optional or implicit UILabel?
Swift: optional or implicit UILabel?
This might help you I'm trying to follow a MakeSchool tutorial for creating my first Swift game and have a question. , Generally IBOutlet references would be implicitly unwrapped:
TAG : swift
Date : November 24 2020, 09:00 AM , By : jermoret
Swift: ¨Unrecognized selector sent to instance¨
Swift: ¨Unrecognized selector sent to instance¨
it should still fix some issue The error message is very clear that you are calling setDate on UIView.In your code, the only place setDate is called is this line
TAG : swift
Date : November 24 2020, 09:00 AM , By : Vinay
Initialize a dictionary with non-optional empty arrays in Swift
Initialize a dictionary with non-optional empty arrays in Swift
like below fixes the issue I'm trying to associate an array numerical data with a column label, so I thought I'd model that with a dictionary that maps a string to an array of floats. I'm trying to populate the dictionary by initializing the key valu
TAG : swift
Date : November 22 2020, 02:59 PM , By : SANDEEP KATUKURI
Compare Day/Month in Swift Struct
Compare Day/Month in Swift Struct
may help you . I would like sort an array of SpecialDay instances: [struct1, struct2, struct3, ...] using the code below: , The problem is the and in this line:
TAG : swift
Date : November 22 2020, 02:59 PM , By : hiraishi
swift reflection causes impossible nil value for any
swift reflection causes impossible nil value for any
wish of those help I'm trying to use swift reflection to check for changes in objects so I can send only changed properties up to the server. Some of my properties are optional. To compare those values, I need to unwrap them but, of course, you can O
TAG : swift
Date : November 22 2020, 02:59 PM , By : John Henning
Equatable in Swift
Equatable in Swift
will be helpful for those in need Exactly what it says. Move the operator function definition outside of the extension. It's done at a global scope.
TAG : swift
Date : November 22 2020, 02:59 PM , By : Comhk
How to populate an SKShapeNode uniformly
How to populate an SKShapeNode uniformly
help you fix your problem Instead of let x = CGFloat(arc4random_uniform(UInt32(size.width * 20))) - size.width / 4 let y = CGFloat(arc4random_uniform(UInt32(size.height * 90))) - size.height / 100 you define how you want your x to be placed, for exam
TAG : swift
Date : November 22 2020, 02:59 PM , By : Haresh Rathod
Using AWS API Gateway generated SDK for both authenticated and anonymous access
Using AWS API Gateway generated SDK for both authenticated and anonymous access
will help you I finally got that working. It turns out that you can register different AWSServiceConfiguration configurations and use them separately.On AppDelegate.swift
TAG : swift
Date : November 22 2020, 02:42 PM , By : bonafidehamo
Underscored properties in Swift classes?
Underscored properties in Swift classes?
wish help you to fix your issue These are private variables that Apple uses in their classes (you can declare your own with the private keyword). It is just a convention to use an underscore before their name. It is possible to access them using Key-
TAG : swift
Date : November 22 2020, 02:42 PM , By : Andrew Box
Subclass of UIButton with rounded corners (swift)
Subclass of UIButton with rounded corners (swift)
hope this fix your issue You need to use clipsToBounds to ensure that the containing view isn't drawn over the corner radius:
TAG : swift
Date : November 22 2020, 09:00 AM , By : Mac Chavez
Google API Maps don't show up on TabBar Application
Google API Maps don't show up on TabBar Application
I wish this helpful for you I think I found the problem, at least now everything works. So I moved
TAG : swift
Date : November 21 2020, 07:38 AM , By : Andi Rafik
Can't hide status bar in AVPlayerViewController's portrait mode
Can't hide status bar in AVPlayerViewController's portrait mode
this will help I'm developing an app that first presents a UICollectionView with a bunch of buttons that modally open a subclass of AVPlayerViewController with a custom "Over Full Screen" segue. UIViewControllerBasedStatusBarAppearance is set to YES
TAG : swift
Date : November 20 2020, 09:01 AM , By : Dan
Send JSON Array and store in database using api calls
Send JSON Array and store in database using api calls
fixed the issue. Will look into that further Make sure your cartProducts is of of type AnyObject.declare cartProducts as any object
TAG : swift
Date : November 19 2020, 03:54 PM , By : DesignJuggler
Return one of two possible classes instances
Return one of two possible classes instances
I wish did fix the issue. I read that it's kind of not recommended to use Any or AnyObject if possible. My case is, I have a class in charge of communicating with server and returning data into the app, looking like this rough example: , You can use
TAG : swift
Date : November 19 2020, 03:54 PM , By : Javier Torrens
What is type of 123_456_789?
What is type of 123_456_789?
around this issue From the documentation (The Swift Programming Language -> Language Guide -> The Basics -> Numeric Literals):
TAG : swift
Date : November 18 2020, 09:01 AM , By : Mehtab Khan
dispatch queue concurrent not work as except in swift
dispatch queue concurrent not work as except in swift
With these it helps I think that DISPATCH_QUEUE_CONCURRENT will work random, but it seem to work in order. , You are dispatching synchronously to the queue. Each
TAG : swift
Date : November 17 2020, 09:01 AM , By : Nat Melba
Calculate count of years
Calculate count of years
it fixes the issue I have a String data that stores date. Example:
TAG : swift
Date : November 16 2020, 09:01 AM , By : oussama
Swift property observer in protocol extension?
Swift property observer in protocol extension?
Hope that helps No, this is explicitly disallowed. See Extension: Computed Properties:
TAG : swift
Date : November 16 2020, 09:01 AM , By : Stephen Aaron Snody
Calling function with optional type in Swift
Calling function with optional type in Swift
will be helpful for those in need I'm still getting the hang of map with Optionals, but I believe this will work:
TAG : swift
Date : November 16 2020, 09:01 AM , By : G-Programming
in Swift, what does this specific syntax mean?
in Swift, what does this specific syntax mean?
fixed the issue. Will look into that further The old Swift 1 syntax is based on the way you deal with option sets in C and Objective-C: you store an option set in an integer type and use bitwise operators (| and and ~) to manipulate them. So .Userna
TAG : swift
Date : November 16 2020, 09:01 AM , By : B.r. Viplavi
Nil cannot be assigned to type AVCaptureDeviceInput
Nil cannot be assigned to type AVCaptureDeviceInput
help you fix your problem It makes total sense to me. If you'd like to set it to nil. Use optionals. that way you can set it to nil. It's a good mechanism to avoid crashes and a ton of if statements for null checks. What I recommend (even for testing
TAG : swift
Date : November 16 2020, 09:01 AM , By : RaviKumar Natarajan
Parse - Query with 'includeKey' not getting objects in proper subclass
Parse - Query with 'includeKey' not getting objects in proper subclass
I think the issue was by ths following , Figured out the problem. That class in question actually had a bad object saved that contained no pointers as expected, and the subclass was implicitly unwrapping the array of pointers:
TAG : swift
Date : November 16 2020, 09:01 AM , By : sapna tripathi
Best way to set up multiple tableviewcell layouts
Best way to set up multiple tableviewcell layouts
Does that help Depending on how you are parsing the JSON you could store the type of cell into an Array. Then as you look into the array with indexPath.row based on the type it finds there you have it execute a Switch.
TAG : swift
Date : November 15 2020, 09:01 AM , By : nsmkw
Swift Bridging Header for Obj-C
Swift Bridging Header for Obj-C
seems to work fine Found the answer herehttps://bohemianpolymorph.wordpress.com/2014/07/11/manually-adding-a-swift-bridging-header/
TAG : swift
Date : November 15 2020, 09:01 AM , By : Prabhu Kay
Swift dictionary with weak reference keys?
Swift dictionary with weak reference keys?
To fix this issue You are describing an NSMapTable. It gives you a dictionary-like thing with weak references to its keys and/or values.
TAG : swift
Date : November 15 2020, 09:01 AM , By : Bowon Kim
Commit failed - the repository is locked, XCode 7
Commit failed - the repository is locked, XCode 7
like below fixes the issue It has nothing to do with Xcode, your repo is locked by the server so you can't push updates. See if you need to pay to Bitbucket, payment issues are the usual cause of this.
TAG : swift
Date : November 14 2020, 09:01 AM , By : Christopher Speirs
How to convert Swift Bool? -> String?
How to convert Swift Bool? -> String?
fixed the issue. Will look into that further Given a Bool?, I'd like to be able to do this:
TAG : swift
Date : November 14 2020, 09:01 AM , By : joenardo
Swift: Cannot convert value of type 'NSDate' to expected argument type 'NSDateComponents'
Swift: Cannot convert value of type 'NSDate' to expected argument type 'NSDateComponents'
I hope this helps . In your original question you were calling dateFromComponents, which converts a NSDateComponents to a NSDate, but supplied it a competitionDate, which is already a NSDate. And the compiler was simply informing you of this error.--
TAG : swift
Date : November 14 2020, 07:01 AM , By : bluesand
JSON parsing error in Swift 2.0
JSON parsing error in Swift 2.0
fixed the issue. Will look into that further First guess would be: data == nil. Your function: setLabels: is not prepared to receive nil argument. Try to change declaration of this function to:
TAG : swift
Date : November 14 2020, 06:58 AM , By : Rodrigo Carballo
Varying value inside runAction() not changing
Varying value inside runAction() not changing
it should still fix some issue What is happening currently is that you've: stored duration paramter inside an action reused that action within sequence over and over again
TAG : swift
Date : November 14 2020, 06:58 AM , By : user4573433
Swift - bar button item image / set size and width
Swift - bar button item image / set size and width
it should still fix some issue The way a "loose" navigation bar works is that you configure a UINavigationItem and set an array containing that to be the navigation bar's items, as in this example code (from my book):
TAG : swift
Date : November 13 2020, 09:01 AM , By : Dextrus
Radio button UI in Swift
Radio button UI in Swift
this one helps. You could just use two UITableViews side by side and set the selection to single. Both tableViews can use the same source and on any of their didSelectRowAtIndexPath you could simple calculate the conversion for the selected rows and
TAG : swift
Date : November 13 2020, 05:40 AM , By : Dries
NSdate range total removing weekends Swift
NSdate range total removing weekends Swift
To fix the issue you can do I found this. It works out the number of weekend days between 2 NSDates
TAG : swift
Date : November 12 2020, 09:01 AM , By : Sébastien Gilabert
Why isn't addTarget calling my target's action in an extension
Why isn't addTarget calling my target's action in an extension
I wish did fix the issue. The lifetime of your variable test is limited to the scope of the function function that creates it. After that method returns, test goes out of scope and is deallocated, so it's not there for later control events to send ac
TAG : swift
Date : November 10 2020, 09:01 AM , By : Dil Muhammad
How to make a cell hold multiple text labels in ios
How to make a cell hold multiple text labels in ios
To fix the issue you can do You should use the declared UILabels var instead of cell?.textLabelIn your custom cell you probably have something like
TAG : swift
Date : November 09 2020, 09:01 AM , By : Xpd
Setter for dictionary property - OR: get last added item from dictionary
Setter for dictionary property - OR: get last added item from dictionary
wish help you to fix your issue I understand now... the dictionary is unordered. To really get the last added value, I have to compare the value itself with the newValue. The working code:
TAG : swift
Date : November 09 2020, 09:01 AM , By : Kitxin Urdangarin
Extending Dictionary with constraints
Extending Dictionary with constraints
To fix this issue I would to add an extension in Swift's built in Dictionary with constraints about both key and value types.
TAG : swift
Date : November 09 2020, 08:00 AM , By : Suzanne
Spritekit rotating multiple nodes around center
Spritekit rotating multiple nodes around center
I wish did fix the issue. Given a rotationAngle, you can calculate the new position of each node with the code below, you need to know a bit of trigonometry to understand the code.Here I have an array of SKShapeNode that I called dots (It would be th
TAG : swift
Date : November 08 2020, 09:00 AM , By : rohith r
Swift: Trying to implement NSCoding
Swift: Trying to implement NSCoding
Any of those help Are you sure you have required image in your Assets? "NoPic.png"Ok, here is some changes:
TAG : swift
Date : November 08 2020, 09:00 AM , By : Mitch
Array of String printing Optional, why?
Array of String printing Optional, why?
I wish did fix the issue. The correct way to think of Optional is that this may or may not have a value. What is the first element of an empty list? There is no such thing. It is not a value. We call that lack of a value nil or .None.In Swift a varia
TAG : swift
Date : November 08 2020, 09:00 AM , By : Eduardo Blumenfeld
Dynamic attributes (getters/setters) in Swift on data models
Dynamic attributes (getters/setters) in Swift on data models
seems to work fine You can use Key-Value Observing to monitor changes in your properties. More info in Adopting Cocoa Design Patterns in Swift.
TAG : swift
Date : November 07 2020, 01:43 PM , By : pierremb
Setting file attributes in Swift
Setting file attributes in Swift
I wish this help you It's basically the same in Swift. This sets the creation time to the current time:
TAG : swift
Date : November 07 2020, 01:43 PM , By : Alex C
Window visible on all spaces (including other fullscreen apps)
Window visible on all spaces (including other fullscreen apps)
it helps some times If you want a window to be visible on top of other fullscreen windows (in spaces), you should make an agent (accessory) application. You can do it by setting LSUIElement key in the application’s Info.plist to 1 (YES)If you still n
TAG : swift
Date : November 07 2020, 01:33 PM , By : Charles79
How to draw lines on UIImage with swift ?
How to draw lines on UIImage with swift ?
Any of those help iOS Drawing Concepts from the iOS documentation library should serve as a useful guide.
TAG : swift
Date : November 07 2020, 01:33 PM , By : gravity_tap
Is it possible use non read-only computed property in extension?
Is it possible use non read-only computed property in extension?
it fixes the issue Is it possible computed property in extension that has getter and setter?
TAG : swift
Date : November 07 2020, 01:32 PM , By : Lloyd Chambrier
How do I save a MKPointAnnotation to Pars?
How do I save a MKPointAnnotation to Pars?
I wish this help you You can't save a MKPointAnnotation to Parse directly. You may want to save its properties such as coordinate, title and subtitle.If you want to save coordinates, you should split them into latitudes and longitudes.
TAG : swift
Date : November 07 2020, 01:32 PM , By : Romina Forouzanfar
Take a snapshot of current screen with Metal in swift
Take a snapshot of current screen with Metal in swift
I think the issue was by ths following , To make a screenshot, you need to get MTLTextureof the frame buffer.1. If you use MTKView:
TAG : swift
Date : November 07 2020, 01:32 PM , By : Sylvain Chea
Is there any way to determine sub-protocol conformance for instance conforming to generic protocol in Swift 2 (at runtim
Is there any way to determine sub-protocol conformance for instance conforming to generic protocol in Swift 2 (at runtim
I hope this helps . Is there any way to determine sub-protocol conformance for instance conforming to generic protocol in Swift 2 (at runtime or during compilation)?
TAG : swift
Date : November 07 2020, 01:32 PM , By : Roman Bondar
Custom physics body adding unwanted extra line
Custom physics body adding unwanted extra line
I think the issue was by ths following , Found it! I did some extra research and this post came up.The solution:
TAG : swift
Date : November 07 2020, 09:00 AM , By : Sameera Abeysinghe
Define a Swift protocol which requires a specific type of sequence
Define a Swift protocol which requires a specific type of sequence
fixed the issue. Will look into that further Suppose for example we're talking about elements of type Int (but the question still applies to any type) , There are two sides to this problem:
TAG : swift
Date : November 07 2020, 09:00 AM , By : Nibber
Swift tvOS in-app purchase doesn't respond
Swift tvOS in-app purchase doesn't respond
Does that help You need retain your productsRequest because it got released automatically at the end of func unlockProduct() and the following callbacks won't be fired. Simply declare it as a class level variable.
TAG : swift
Date : November 07 2020, 09:00 AM , By : Amer Alhalabi

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