Campaign links open your App Store product page and allow you to track the performance of your marketing channels. As an app developer, it’s crucial to understand how users discover your app. For example, many new users find Daily via the web, primarily via organic search (Google Search), paid ads (Google Ads), social media (mainly …
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Swift Evolution: Reading and learning from proposals
The Swift Programming Language constantly evolves, and most of its changes result from public proposals inside the Swift Evolution repository. The proposals can tell you what changes are coming up next, which is excellent if you want to stay updated with the latest developments. Swift Evolution Proposals can also help you understand newly released features. …
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 @ObservedObject will redraw your view based on a changed value. This is often expected behavior, and things look like they should. However, in so-called Massive SwiftUI Views (MSV), there could be many different triggers causing …
RocketSim 12.0: 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 becomes visible next to your active Simulator to provide additional functionalities while not too intrusive. Some significant features include recordings with touches, audio, and bezels, location simulation, Simulator airplane mode, and several design comparison features. …
Thread dispatching and Actors: understanding execution
Actors ensure your code is executed on a specific thread, like the main or a background thread. They help you synchronize access to mutable states and prevent data races. However, developers commonly misunderstand how actors dispatch to threads in non-async contexts. It’s an essential understanding to avoid unexpected crashes. Before we dive deeper into the …
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 which minimum iOS version your project should be set. It’s an important decision in a developer’s job and not something you can do without reasoning. We can be fortunate with the iOS adoption rate in …
Value and Type parameter packs in Swift explained with examples
Type parameter packs and value parameter packs allow you to write a generic function that accepts an arbitrary number of arguments with distinct types. As a result of SE-393, SE-398, and SE-399, you can use this new feature from Swift 5.9. One of the most noticeable places of impact is the 10-view limit in SwiftUI, …
Swift Macros: Extend Swift with New Kinds of Expressions
Swift Macros got introduced in the WWDC 2023 release of Swift 5.9. They are a new way for you to extend Swift with new kinds of expressions, allow creating of expressive libraries, and eliminate extraneous boilerplate. As part of the vision of Macros, Swift Macros introduce a new way to extend the compiler with custom …
10 Tips to Get Your App Featured on the App Store
Getting your app featured on the App Store allows you to gain organic growth and more reach. Users can find your app by browsing through the App Store inside one of Apple’s curated lists of apps. I’ve been developing apps since 2009, and several of my apps got featured over time. It’s essential to know …
Ranges in Swift explained with code examples
Ranges in Swift allow us to select parts of Strings, collections, and other types. They’re the Swift variant of NSRange which we know from Objective-C, although they’re different in usage, as I’ll explain in this blog post. Ranges allow us to write elegant Swift code by using the range operator. Your first time working with …