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Posts tagged with "SwiftUI"

macOS Catalina: The MacStories Review

Ironically, Apple chose to name this year’s update to macOS after an island. Since the iPhone and iOS took off, macOS has sometimes felt like an island isolated from the rest of the company’s OSes, but the goal articulated by the company at WWDC this year was quite the opposite. Apple clearly telegraphed that change is coming to the Mac and it’s designed to bridge the user experiences between each of its platforms.

To developers, that message came in the form of Catalyst and SwiftUI. Catalyst, which was previewed as an unnamed ‘Sneak Peek’ in 2018, is meant to make it easier for iPadOS developers to bring their apps to the Mac. SwiftUI has a similar longer-term goal of unifying and streamlining how developers build the interfaces for their apps across a range of devices, for everything from the Apple Watch to the Mac.

The efforts to draw macOS in closer with Apple’s other operating systems run deeper than just developer tools though. macOS may have been the foundation on which iOS was built, but in the years that followed iOS’s introduction, the two OSes grew apart. Identically-named apps were developed on different schedules, which meant they rarely included the same features. Also, system-level functionality like System Preferences, which serves the same purpose as iOS’s Settings app, was unfamiliar, making Mac adoption unnecessarily hard for newcomers. Catalina is an attempt to address those kinds of inconsistent user experiences.

With Catalina, Apple has taken clear, though not always successful, steps to bridge the divide between the Mac and iOS. App functionality has been realigned, System Preferences has been rearranged, and new features have been added to make it easier to move from one platform to the other.

As with other transitional periods in the Mac’s history, this one isn’t going to be easy. However, because the change is driven by a fundamental change in computing, it’s also necessary. We live in a new climate where computing is now dominated by mobile devices. For many people, a smartphone is all the computing power they need day-to-day. That doesn’t mean there’s no longer a place for the Mac, but it’s clearly what’s driving the changes in Catalina.

Apple could have chosen to ignore the shift of the ground beneath its feet and merely maintained macOS, making the kind of small incremental changes we’ve become accustomed to in recent years. However, not adapting is as deliberate a choice as change is, and it carries just as much or more uncertainty for the Mac as a platform because it risks irrelevance.

The Mac isn’t in crisis, but it isn’t healthy either. Waiting until the Mac is on life support isn’t viable. Instead, Apple has opted to reimagine the Mac in the context of today’s computing landscape before its survival is threatened. The solution is to tie macOS more closely to iOS and iPadOS, making it an integrated point on the continuum of Apple’s devices that respects the hardware differences of the platform but isn’t different simply for the sake of difference.

Transitions are inherently messy, and so is Catalina in places. It’s a work in process that represents the first steps down a new path, not the destination itself. The destination isn’t clear yet, but Catalina’s purpose is: it’s a bridge, not an island.

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Catalyst Can Rescue the Mac and Grow the iPad

At WWDC 2018, Craig Federighi provided a sneak peek at what everyone was calling Marzipan: an as-yet-unnamed way for iPad app developers to bring their apps to the Mac. So, it came as no surprise when Federighi retook the stage in 2019 and revealed more details about the project and its official name: Catalyst.

What caught a lot of developers off guard though was SwiftUI, a declarative approach to building user interfaces that was also announced at WWDC this year. SwiftUI, known before the conference as Amber, its rumored project name, was on developers’ radar almost as long as Catalyst, but it’s fair to say that few anticipated the scope of the project. The purpose of SwiftUI is to allow developers to build native user interfaces across all of Apple’s hardware platforms – from the Apple Watch to the Mac – using highly-readable, declarative syntax and a single set of tools and APIs. If that weren’t enough to get developers’ attention, using SwiftUI carries the added advantage of providing features like dark mode, dynamic type, and localization automatically.

The message from WWDC was clear: SwiftUI is the future, a unified approach to UI development designed to simplify the process of targeting multiple hardware platforms. It’s a bold, sprawling goal that will take years to refine, even if it’s eagerly adopted by developers.

However, SwiftUI also raises an interesting question: what does it mean for Catalyst? If SwiftUI is the future and spans every hardware platform, why bother bringing iPad apps to the Mac with Catalyst in the first place? It’s a fair question, but the answer is readily apparent from the very different goals of the two technologies.

SwiftUI serves the long-term goal of bringing UI development for all of Apple’s platforms under one roof and streamlining it. It won’t take over immediately though. There’s still work to be done on the framework itself, which Apple will surely expand in capability over time.

By contrast, Catalyst is a shorter-term initiative designed to address two soft spots in Apple’s lineup: the stagnation of the Mac app ecosystem, and the slow growth of pro iPad apps. The unstated assumption underlying the realignment seems to be that the two app platforms are stronger tied together than they are apart, which ultimately will protect the viability of their hardware too.

The impact of Catalyst on the Mac and iPad remains murky. It’s still too early in the process to understand what the long-term effect will be on either platform. There’s substantial execution risk that could harm the Mac or iPad, but despite some troubling signs, which I’ll get to in due course, I’m convinced that Catalyst has the potential for meaningful improvements to both platforms, especially the Mac. Let’s take a closer look at what those could be.

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