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Swift 6.2: A first look at how it’s changing Concurrency
Swift 6.2 is the upcoming release of Apple's native language. It's currently in active development, and as you know from ...
Swift Reduce: Combining elements into a single value
The Swift reduce method allows you to produce a single value from a collection of items. You can use it ...
SwiftUI Alert Guide + Code Examples
You can present a SwiftUI Alert using dedicated view modifiers that make it straightforward to present native alerts. It works ...
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Swift Keywords
Do you know how to use each keyword in Swift?
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Learn more about Swift
Swift 6.2: A first look at how it’s changing Concurrency
Swift 6.2 is the upcoming release of Apple's native language. It's currently in active development, and as you know from ...
Swift Reduce: Combining elements into a single value
The Swift reduce method allows you to produce a single value from a collection of items. You can use it ...
Swift Concurrency Course: Modern Concurrency & Swift 6
A Swift Concurrency Course that helps you learn all the fundamentals of Swift Concurrency and migrating your projects smoothly to ...
Learn SwiftUI
SwiftUI Alert Guide + Code Examples
You can present a SwiftUI Alert using dedicated view modifiers that make it straightforward to present native alerts. It works ...
SwiftUI Grid, LazyVGrid, LazyHGrid Explained with Code Examples
SwiftUI Grid, LazyVGrid, and LazyHGrid are UI elements that allow you to place views in a structured grid. You can ...
SwiftUI TabView: Explained with Code Examples
The SwiftUI TabView allows you to create a tabbed view and is a great container for several of your main ...
Build Apps Faster using RocketSim
Recommend by Apple as an “Essential Tool for Developers”, RocketSim helps thousands of engineers to save hours per week. Discover these articles and learn how you can leverage RocketSim to improve your workflow:
App Actions
- Inspect network traffic using the Xcode Simulator
- Universal Links implementation on iOS
- Deeplink URL handling in SwiftUI
- Location Simulation in Xcode’s Simulator
- Optimizing your app for Network Reachability
- Testing push notifications on the iOS simulator
App Actions Perform Menu
- Localization testing in Xcode
- User Defaults reading and writing in Swift
- Xcode Simulator Directories Exploration
RocketSim Tools
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 ...
Transform Your Career with the iOS Lead Essentials — Limited Offer
Unlock over 40 hours of expert training, mentorship, and community support to secure your place among the best devs. Click now for early access to this limited offer and a FREE crash course!
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
RocketSim 13.0: Builds Apps Faster
RocketSim is a developer tool that gives your Xcode Simulator extra functionalities to increase day-to-day development productivity. A floating window ...
Inspect network traffic using the Xcode Simulator
Inspecting network traffic is an essential skill for app developers. Several tools allow you to monitor requests going in and ...
Xcode Build Insights: Keep track of project compilation times
Xcode Build Insights lets you keep track of compilation times to ensure your project doesn't suddenly become slow to build ...
Get better at debugging
Network Link Conditioner: Simulating Slow Networking
The Network Link Conditioner allows you to test your apps under slow networking conditions on macOS and iOS. The tool ...
Memory consumption when loading UIImage from disk
Memory consumption can quickly increase if you load many images from the disk using UIImage. You'll generally load images from ...
Debugging SwiftUI views: what caused that change?
Debugging SwiftUI views is an essential skill when writing dynamic views with several redrawing triggers. Property wrappers like @State and ...
Improve your workflow
Designing Apps: 5 Methods to improve your workflow
Designing apps can be challenging if you don't have a design background. Many of you who read my blog are ...
Test-Driven Development (TDD) for bug fixes in Swift
Test-driven development (TDD) is a technique that requires you first to write a failing test before you start implementing a ...
Third-party libraries acknowledgments using a Settings bundle
Third-party libraries help developers build apps faster but often come with a license. The MIT license is likely the most ...
Optimize yourself and improve
Network Link Conditioner: Simulating Slow Networking
The Network Link Conditioner allows you to test your apps under slow networking conditions on macOS and iOS. The tool ...
Contingent pricing for in-app subscriptions
Contingent pricing for in-app subscriptions creates a new way to retain and attract customers by providing discounted subscription prices to ...
App onboarding funnel optimization to increase conversions
An app onboarding can be seen as a funnel full of steps toward the key action of your application. A ...
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Most Popular Posts
- Swift 6.2: A first look at how it’s changing Concurrency
- Swift Reduce: Combining elements into a single value
- Async await in Swift explained with code examples
- MainActor usage in Swift explained to dispatch to the main thread
- Sendable and @Sendable closures explained with code examples