Optimization

Build performance can be analyzed in Xcode to speed up your builds. This can quickly speed up your workflow and save a lot of time during the day for all developers working on the project. Slow builds often distract us as they enable us to focus on distractions like social ...

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 ...

Xcode Simulator directories allow you to find related files for your app. Unlike on a real device, you can access all folders that represent the app your building. Exploring those directories allows you to debug and optimize accordingly. Whether you're debugging storage issues, optimizing app binary size, or looking to ...

Engineering goals create focus and help you achieve the milestones of becoming a successful developer. You'll know better what you've accomplished in the past months, and make sure that you work on projects with the highest impact. Over the past years, goals helped me successfully release new versions of RocketSim ...

Binary Targets in Swift Package Manager (SPM) allow packages to declare xcframework bundles as available targets. The technique is often used to provide access to closed-source libraries and can improve CI performance by reducing time spent on fetching SPM repositories. Both downs and upsides are essential to consider when adding ...

Refactoring code is part of the journey toward building sustainable apps. Whether you're experienced or not: every developer refactors their code to improve its quality or readability. A refactor can be small enough to make you do it unconsciously, while bigger ones can become intimidating. I've been developing apps for ...

It's common to have a side project as an engineer since we can build our ideas. At the same time, it's also trending to start a new project before you've finished the previous one. You could say there's a graveyard of many side projects that didn't reach the public. While ...

An App Icon Generator generates all required app icon sizes based on a single-size icon input file. Creating and dragging all those app icons into Xcode is often tiresome since we've all asked ourselves: "Why can't Xcode just generate the sizes for us based on a single file?" Well, there's ...

SKStoreReviewController allows asking your users for App Store ratings from within the app. Positive ratings can help your app stand out in the App Store and attract more users. Conversions can increase when you ask the user for a rating at the right time. While implementing rating requests is easy, ...

Writing Swift articles is a great way to become a better engineer and is often seen as a required skill for Senior developers. By writing down your knowledge or learnings around a topic, you're creating your knowledge base, which you can revisit whenever you want. At the same time, you're ...

Non-fatal errors happen in every application that's developed and have a close relationship with fatal errors. Most of us know that both types of errors have an essential difference: fatal errors are not recoverable, while non-fatals are. In my 10+ years of development experience, I've seen many engineers ignoring non-fatal ...

Development effectiveness determines how fast and efficient you can work as an engineer. The more efficient you can make your daily flow of development, the better your results will be. If you know me, you know that I love automating repetitive tasks. I'm able to keep up with SwiftLee, my ...