It’s likely that SwiftUI will see an adoption curve similar to Swift in 2014, i.e. In the above screenshot, you see the Organizer panel. We’re going to write some Swift code and work with Interface Builder. You can create constraints with these buttons, most notably, First, make sure to open your iOS project in Xcode, Then, in the top-left corner of Xcode, select the Simulator you want to use, You can do a two-finger pinch by holding the, You can use your Mac’s keyboard to input text into text fields. Don’t worry! A Mac with macOS 11 (Big Sur) 4 GB RAM, but 8+ GB is more comfy At least 8 GB of free storage space† A 2013-2015 or newer Mac, MacBook, iMac or Mac mini It’s easiest to download and install Xcode via the Mac App Store. (The property is an optional, which is an important concept in Swift.). Since Xcode 7, you can sideload your own apps without a paid developer account. A few alternatives for Windows/PC are available, but they’re far from ideal. Over-scroll makes it easy to center the last lines of code in the middle of your screen. I’ve tried my best to name things with their right names, but don’t think for a second that you need to say “Project Navigator” when you really want to say “file browser” or “that file thing on the left”. We’ve got 3 things you can do with “IB”: build UIs, inspect UI elements, and make adjustments to UI elements. In short, Swift Package Manager lets you add 3rd-party frameworks and libraries to your Xcode project. You can code plain Swift with Xcode too. Reinder de Vries is a professional iOS developer. Ask questions and discuss development topics with Apple engineers and other developers. New Energy tab in the Organizer window includes logs generated when your app consumes too much power, Swift build tasks and other commands are run in parallel more often to improve build performance, Swift compiler adds new code size optimization, enabled with the -Osize build setting, Quick access to callers is available by clicking on a symbol while holding the command key, Asset catalogs support AR Reference Image files that can be detected in the real-world by your ARKit apps, New xccov command line tool lets you inspect code coverage reports, Improved source editor performance when working on extremely large files, Fixes an issue in Simulator that impacted the performance of OpenGL ES and maps, Fixes a problem where the Test Navigator could become out of sync with available tests, Refactoring makes it easy to modify the structure of Swift, Objective-C, C, and C++ code, Code editor is blazingly fast and responsive and adds native support for Markdown syntax, Fix-its apply multiple improvements to your code in a single click, and can even add required protocol methods, New Source Control navigator and integrated GitHub accounts make it easy to manage code across a team, Wireless installation and debugging for iOS and tvOS apps on devices over the network, Simulator looks and behaves more like a real device and can simulate multiple devices at a time, iOS playground templates create documents that work in both Xcode and Swift Playgrounds on iPad, Find navigator is incredibly fast and results show up instantly, Project navigator automatically keeps files and groups in sync with Finder and source control, Xcode Server no longer requires macOS Server and can be fully configured in Xcode preferences, Next-generation build system improves reliability and performance when building many projects (optionally enabled). 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