When creating a new project, Xcode 12 has a new section called Multiplatform. Notice how the groups are different than those in your usual iOS starter project. Considering the Project Structureīefore you start making any changes, take a look at the starter project. By tapping a row, you navigate to a details view located in DetailsView.swift. The main view of the app is in GemList.swift, showing a list of rows found in GemRow.swift that are fetched from a Core Data store. Open the different views inside the starter project to become familiar with the app. You’ll add this feature during this tutorial. The app has the code to fetch and save favorite gems from Core Data, but it can neither save nor list favorites yet. You can already scroll and tap gems to read facts about each one. Users can read interesting facts about them and save their favorites. RayGem is a simple multiplatform app that lists a collection of gems, which are precious or semiprecious stones. Open RayGem.xcodeproj inside the starter folder. So to follow this tutorial make sure you’re running the latest macOS version and Xcode 12.ĭownload the project materials by clicking the Download Materials button at the top or bottom of the tutorial. Also, this tutorial uses features from SwiftUI that are only available on iOS 14 and macOS 11 Big Sur.
Although you don’t need a deep understanding of Core Data to follow along, here’s a great starting point if you want to learn more: Core Data with SwiftUI Tutorial: Getting Started. If you’re just getting started, check out SwiftUI: Getting Started. Note: This tutorial assumes you’re familiar with SwiftUI.
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