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How to use FormatStyle to restrict TextField input in SwiftUI
A custom FormatStyle can help you control the allowed characters of a SwiftUI TextField. You might want to allow numbers ...
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Sheets in SwiftUI explained with code examples
Sheets in SwiftUI allow you to present views that partly cover the underlying screen. You can present them using view ...
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@dynamicCallable in Swift explained with code examples
It's all in the name: @dynamicCallable in Swift allows you to dynamically call methods using an alternative syntax. While it's ...
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@dynamicCallable in Swift explained with code examples
It's all in the name: @dynamicCallable in Swift allows you to dynamically call methods using an alternative syntax. While it's ...
Binary Targets in Swift Package Manager
Binary Targets in Swift Package Manager (SPM) allow packages to declare xcframework bundles as available targets. The technique is often ...
Result builders in Swift explained with code examples
Result builders in Swift allow you to build up a result using 'build blocks' lined up after each other. They ...
Learn SwiftUI
How to use FormatStyle to restrict TextField input in SwiftUI
A custom FormatStyle can help you control the allowed characters of a SwiftUI TextField. You might want to allow numbers ...
Sheets in SwiftUI explained with code examples
Sheets in SwiftUI allow you to present views that partly cover the underlying screen. You can present them using view ...
Alternate App Icon Configuration in Xcode
Adding alternate app icons to your app allows users to customize their home screen with an app icon that fits ...
Combine all the things
@Published risks and usage explained with code examples
@Published is one of the property wrappers in SwiftUI that allows us to trigger a view redraw whenever changes occur ...
RunLoop.main vs DispatchQueue.main: The differences explained
RunLoop.main and DispatchQueue.main are often used as schedulers within Combine. During code reviews, I often encounter inconsistency in using one ...
PassthroughSubject vs. CurrentValueSubject explained
PassthroughSubject and CurrentValueSubject are two types from the Combine framework that conforms to the Subject protocol. Both are very similar ...
Dive into Core Data
How to observe NSManagedObject changes in Core Data using Combine
Observing changes in Core Data NSManagedObject instances with Combine publishers can be a great solution to keep your user interface ...
Data validation on insertion, update, and deletion in Core Data
Data validation in apps is important to make sure we save data conforming to the business rules. A name should ...
Derived Attributes to improve Core Data Fetch Performance
Derived attributes are available since iOS 13 and aim to improve fetch performance in many different scenarios. Although we have ...
Be an expert on Xcode
Getting started with Unit Tests in Swift
Unit tests in programming languages ensure that written code works as expected. Given a particular input, you expect the code ...
Faster StoreKit testing by syncing in-app purchase products
StoreKit testing in the Simulator allows you to speed up testing in-app purchases for your app. You can test in-app ...
App Icon Generator is no longer needed with Xcode 14
An App Icon Generator generates all required app icon sizes based on a single-size icon input file. Creating and dragging ...
Get better at debugging
Deadlocks in Swift explained: detecting and solving
Deadlocks in Swift can make your app hang, causing a frustrating situation for both you and your users. Your app ...
Debugging SwiftUI views: what caused that change?
Debugging SwiftUI views is an essential skill to own when writing dynamic views with several redrawing triggers. Property wrappers like ...
Flaky tests resolving using Test Repetitions in Xcode
Flaky tests can be frustrating to deal with. You're ready to open your PR until you realize your tests fail ...
Improve your workflow
Side Projects: 10 Tips for being successful
It's common to have a side project as an engineer since we can build our ideas. At the same time, ...
Picking your minimum iOS version to support
When a new iOS version arrives, it's oftentimes a moment to reflect on the supported iOS versions and see to ...
OSLog and Unified logging as recommended by Apple
OSLog as a replacement of print and NSLog is the recommended way of logging by Apple. It's a bit harder ...
Optimize yourself and improve
Binary Targets in Swift Package Manager
Binary Targets in Swift Package Manager (SPM) allow packages to declare xcframework bundles as available targets. The technique is often ...
Refactoring Swift: Best Practices to succeed
Refactoring code is part of the journey toward building sustainable apps. Whether you're experienced or not: every developer refactors their ...
Side Projects: 10 Tips for being successful
It's common to have a side project as an engineer since we can build our ideas. At the same time, ...
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Most Popular Posts
- Async await in Swift explained with code examples
- How to use FormatStyle to restrict TextField input in SwiftUI
- JSON Parsing in Swift explained with code examples
- Getting started with the Combine framework in Swift
- MainActor usage in Swift explained to dispatch to the main thread
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