Right here’s a fast recap of Apple’s State of the Union at WWDC (World Broad Developer Convention 2021). You could find the full video right here.
A brand new steady integration and supply service constructed proper into Xcode and hosted within the cloud, Xcode Construct is Apple’s tackle simplifying the method of constructing an app whereas serving to you concentrate on what’s necessary. It helps you offload your builds, check, and code signing for distribution. It publishes your outcome proper again into Xcode’s report navigator so that you by no means have to modify context out of the place you might be constructing your app.
One cool characteristic is which you could have the construct notify you when it completes and publish it to your Slack or some other service. There may be additionally a public API which you could dive into for grabbing details about your builds. I can see how constructing apps this manner is far more built-in and handy. This truly looks like a enjoyable method to write checks to your app!
Code critiques additionally look to make large enhancements on commenting and reviewing code. The brand new views can help you choose between a number of methods to see what code has modified, and even view feedback as you might be fixing any potential bugs. Anybody who does code critiques how complicated it could actually get when there are a number of revisions and information eliminated or added to a pull request.
Most builders and engineers are used to the concept of writing concurrent code because it’s such an important a part of making quick and responsive code.
“Concurrency allows your apps to carry out a number of duties on the similar time, which helps your apps keep attentive to person enter whereas doing work within the background, like a climate app fetching forecast information whereas the person selects a metropolis.”
The issue? Swift by no means had native assist for concurrent code, so it was unnecessarily tough to jot down good concurrent code. Apple’s new strategy to that is Structured Concurrency. Actors are an trade commonplace and are important to secure concurrent programming.
“Conceptually, an actor is an object that protects its personal state by solely offering mutually unique entry. This utterly eliminates concurrent entry and the low-level information races that include it. “
Actors’ at the moment are a firstclass citizen in Swift and have a a lot less complicated declaration:
One other profit is MainActor, which helps you to enhance a operate to at all times run on the primary thread. That is important for API calls which are wanted for the UI.
This 12 months, Swift playgrounds 4 lets you work in your concepts wherever you go. It lets you swap between Playgrounds and Xcode. After you have created an app, you possibly can even publish your app to TestFlight proper from the Playgrounds app.
Now you can add cool results to your AR objects with Customized steel shaders and dynamic textures. You possibly can see these results within the Birthday Cake demo with confetti falling across the object.
One factor that stood out to me as a Recreation Engineer is which you could now have extra management over the show refresh charge. Particularly if you’re growing video games which are going to run on the IPad Professional with ProMotion or on Macs which are linked to excessive finish screens, having management over the refresh charge will be helpful for making your recreation appear to be it’s working easily!
Recreation controller assist can be simpler so as to add now, with haptic assist. You possibly can add a brand new on display screen controller with just a few strains of code.
iOS is now altering how notifications work and at what degree they’re delivered. Focus permits the person to pick what kinds of notifications are delivered. There at the moment are 4 ranges of notifications: Low, Energetic, Time Delicate, and Pressing (seen above). Notifications abstract permits customers to get a short overview of what was delivered with some marks of relevance.