Swift - Curia Damiano's blog

URLSession async in iOS 13 and 14

Swift 5.5 has initially introduced async/await for iOS 15. With a very welcome news, Xcode 13.2 has extended support of async/await to previous versions iOS 13 and 14. This extension of async/await doesn't include support for the libraries. You can find explained in multiple blog

SwiftUI

SwiftUI Background Downloads

Introduction I needed to implement background downloads in a SwiftUI application. Checking in Internet, I have found only old documentation (a part from the official Apple docs). Because of this, I have developed a little POC application in SwiftUI that implements background downloads. In this blog post, I will describe

Xcode

WWDC21 - Technical Notes

Like the post of last year on WWDC20, I write notes on the videos I watch about WWDC21. Keynote No technical notes here Platforms State of the Union Xcode Cloud 2:47 - CI/CD service built into Xcode and hosted in the cloud. Designed to support all Apple platforms.

SwiftUI

SwiftUI: Handling State in your Views

In SwiftUI there are multiple ways to handle state in your views. @State @State is used when your view own this variable. When the variable changes its value, SwiftUI updates the views automatically. Because of this, it makes sense to use @State for value types (i.e. strings, booleans), where

Swift

Swift: How Install SwiftLint

SwiftLint is an open-source tool used to enforce styles and conventions. Installing it is not difficult, but someone might need a few hints, so I have prepared this blog post to explain them. First of all, you need to download it from GitHub, download the latest SwiftLink.pkg from the

Swift

SwiftUI: Preview in Landscape

Even in XCode 12, it is still not possible to run a preview in landscape. I list here two solutions I have found.. but note that with live preview, both options are ignored - we will really need to wait for an update from Apple to definitely solve this issue

Swift

Swift 5.3 - Section 4: Advanced Topics

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.3 - Section 3: Building Your Own Types

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.3 - Section 2: Collection Types

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.3 - Section 1: Swift Basics

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Xcode

WWDC20 - Technical Notes

As passionate Apple developer, I have started watching the various WWDC20 videos. Quite immediately, I had the need to takes notes on technical aspects or API. So I've thought that it would be better to write them here. Keynote No technical notes here Platforms State of the Union Apple Silicon

Swift

What's new in Swift 5, 5.1 and 5.2

In this post I will describe what has been added to Swift 5, 5.1 and 5.2 Language improvements Testing Integer Multiples To check if a number is a multiple of another one, you can use the '%' operator, but you also need to check that the dividend

Swift

What's new in Swift 4, 4.1 and 4.2

I continue my journey exploring what has been introduced in Swift 4, 4.1 and 4.2. Strings Strings are now seen as array of characters, so it's possible to loop them and invoke the usual methods usually available for collections: let galaxy = "Milky Way 🐮" for char in

Swift

What's new in Swift 3 and 3.1

I continue my series of post describing the evolution of the Swift language, this time with the improvements in Swift 3 and 3.1. API Changes Consistent First Argument Labels The first parameter in functions and methods has always an external name. Omit Needless Words Type and protocol names are

Swift

What's new in Swift 2

In my study of the Swift language, I've done some research on the development and evolution of the language. In this series of post, I will recap the innovations in the language starting with Swift 2. Error Handling When throwing an error, you can provide an object, that must conform

Swift

Swift 5.1 - Section 4: Advanced Topics

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.1 - Section 3: Building Your Own Types

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.1 - Section 2: Collection Types

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet

Swift

Swift 5.1 - Section 1: Swift Basics

For this series of posts I have used extensively the book Swift Apprentice by Ray Wenderlich. I strongly suggest this book, because if you buy the digital copy, Ray Wenderlich guarantees updates for the rest of the life! I have also to say that Ray Wenderlich offers a cheat sheet