swift2.2 Archives - Page 2 of 16

Generics in Swift 2.0

January 12, 2021 Bell Jacquise

Question or problem in the Swift programming language: I have been through the Swift tutorials on the Apple developer site, but I do not understand the concepts of Generics. Is anyone able to explain it in a simple way? For example:

Extending Generic Integer Types in Swift

January 12, 2021 Odhran Miss

Question or problem in the Swift programming language: So I’m trying to extend Swift’s integer types with a few convenient functions that I use a lot, however I’m not clear on which protocols I should be extending.

UIAlertController : UICollectionViewFlowLayout is not defined warning every time I try to bringup a UIAlertcontroller

January 12, 2021 James Cameron

Question or problem in the Swift programming language: I am using a UIAlertController for taking user input and updating a table cell. Everytime when I try to create a alert, I get this following warning in console

Calling selector from protocol extension

January 12, 2021 Simon Abital

Question or problem in the Swift programming language: I’m building simple theme engine and would like have an extension which adds UISwipeGestureRecognizer to UIViewController

No more `private init` in Swift?

January 12, 2021 Aba Tayler

Question or problem in the Swift programming language: I saw a number of references to using private init in Swift to restrict object construction (e.g. this), yet it does not seem to be possible when I try (in Xcode 7.2.1 Playground):

Allow users background music in swift 2.0

January 10, 2021 James Cameron

Question or problem in the Swift programming language: I am looking for some code to allow the user to play music from their phone while still using my app. Previously before swift 2.0 i would put this in the app delegate and it would work perfectly:

Swift correct use of getters and setters

January 9, 2021 James Cameron

Question or problem in the Swift programming language: Can someone please help me understand the correct use of getters and setters in swift. I get the impression its not the same as say Java.

How to vertically center UICollectionView content

January 8, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am trying to dynamically center the content of a UICollectionView, however none of the existing solutions take into account the fact that there might be more than one cell per row.

Delegate using Container View in Swift

January 8, 2021 Oceane Wilson

Question or problem in the Swift programming language: I’m developing an app for iPad Pro. In this app, containerView use to add additional views and interact with them.

Type ‘OSType’ does not conform to protocol ‘AnyObject’ in Swift 2.0

January 7, 2021 Ogima Cooper

Question or problem in the Swift programming language: I just updated to Xcode 7 beta with Swift 2.0. And when I updated my project to Swift 2.0, I got this error: “Type ‘OSType’ does not conform to protocol ‘AnyObject’ in Swift 2.0”. My project works perfectly in Swift 1.2. And here is the code got […]