Articles and Tutorials about iOS Development
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November 16, 2021
In this tutorial, a SwiftUI View component is developed for handling in-progress and error states when loading data asynchronously. This serves as an exercise in creating abstractions and using Swift generics in practice.
November 20, 2021
How exactly do property wrappers work in Swift and how can you define them on your own.
November 02, 2021
How to check for the availability of an iOS version in a SwiftUI View body to make use of new View modifiers that have been added in recent iOS releases.
November 03, 2021
The Multipeer Connectivity framework allows to communicate with apps running on nearby devices. Learn how to use the framework in your own apps with this tutorial.
November 20, 2021
This tutorial will teach you the basics of creating an AR app for iOS with the RealityKit framework by the example of a 3D dice roll app.
September 07, 2021
A recipe for automating the export of the app icon from Sketch to the Xcode asset catalog.
September 04, 2021
How to format closure blocks when writing SwiftUI code? Here is how I recommend to do it.
July 29, 2021
Often many different SwiftUI views of an app want to handle errors in the same way. This article describes a starting point for a generic error handling mechanism.
July 26, 2021
This article demonstrates how to use URLSessionDownloadTask and URLSessionUploadTask to download and upload files in background so that they can completed even if the app is terminated.
September 24, 2021
How can NavigationLink and NavigationView be used in SwiftUI apps to build navigation hierarchies and to navigate around programmatically in the app?
September 27, 2021
The tutorial and sample project shows how JSON data is loaded in the background using the new Xcode 13 feature async/await via the URLSession and displayed using SwiftUI.
July 15, 2021
DocC is a documentation tool new in Xcode 13 that extends the existing Markdown-based syntax for source code and allows to generate documentation archives for Swift frameworks.
July 17, 2021
With Package Collections you can quickly look up and add a Swift Package to your project in Xcode 13.
July 13, 2021
How to create a List using SwiftUI's ForEach where the elements can be changed from the elements.
October 19, 2023
The SwiftUI tutorial teaches the basics of iOS app development with SwiftUI and Xcode 15 using a dice app as example.
November 03, 2021
The Swift Package Manager can be used to add external libraries in Xcode projects. The tutorial shows how to use it to include external libraries in Xcode projects.
November 20, 2021
Using the Codable protocol and JSONDecoder/JSONEncoder, JSON formats can be parsed and generated in Swift.
September 19, 2019
This tutorial shows how to group UITableView cells into sections. It's also an introduction by example on how to create generic types for abstracting common tasks while writing UIKit code.
July 09, 2018
This tutorial shows how to use the CloudKit framework to query, insert and delete data in an iCloud database.
February 05, 2019
This snippet describes how to download images from URLs in the background in iOS apps using the SDWebImage or Kingfisher framework.
January 20, 2022
How to use the Swift range syntax (0...5) for enums and structs that represent continuous values.
October 09, 2021
This tutorial will show you how to configure table contents using the Storyboard and programmatically and how to present data from Swift Arrays.
February 05, 2019
This tutorial shows how to make UITableView cells reorderable.
About the author
Ralf Ebert has been working as a software developer, interaction designer and trainer for 18 years. He makes the geotrainer app, develops software solutions on behalf of his clients, and teaches iOS development to professional software developers. His main focus technologies are native development for iPhone & iPad and web development with Ruby on Rails.
