Category: SwiftUI

The WidgetDemo app created in the preceding chapters can only display weather information for a single geographical location. It is possible to make aspects of the widget user configurable using an app intent. In this chapter, we will enhance the widget extension so that the user can choose to view the weather for different cities.…

WidgetKit deep links allow the individual views that make up the widget entry view to open different screens within the companion app when tapped. In addition to the main home screen, the WidgetDemo app created in the preceding chapters contains a detail screen to provide the user with information about different weather systems. As currently…

In the chapter titled Building Widgets with SwiftUI and WidgetKit, we learned that a widget can appear in small, medium, and large sizes. The project created in the previous chapter included a widget view designed to fit within the small-size format. Since the widget did not specify the supported sizes, it would still be possible…

From the previous chapter, we now understand the elements that make up a widget and the steps involved in creating one. In this, the first of a series of tutorial chapters dedicated to WidgetKit, we will begin creating an app that includes a widget extension. After completing these tutorials, a functioning widget will have been…

Widgets allow small amounts of app content to be displayed alongside the app icons that appear on the device home screen pages, the Today view, and the macOS Notification Center. Widgets are built using SwiftUI in conjunction with the WidgetKit Framework. The focus of this chapter is to provide a high-level outline of the various…

This chapter will demonstrate how to use SwiftData by creating an example app project. The project will demonstrate how to declare models, create a model container, access the model context, add and delete data entries, establish relationships, and perform database searches. About the SwiftData Project The project will consist of a rudimentary visitor logging app…

The preceding chapters covered database storage using Core Data. While Core Data is a powerful and flexible solution to data storage, it was created long before the introduction of SwiftUI and lacks the simplicity of SwiftUI’s approach to app development. Introduced in iOS 17, SwiftData addresses this shortcoming by providing a declarative approach to persistent…

Using the CoreDataDemo project created in the chapter entitled A SwiftUI Core Data Tutorial, this chapter will demonstrate how to add CloudKit support to an Xcode project and migrate from Core Data to CloudKit-based storage. This chapter assumes that you have read the chapter entitled An Introduction to Core Data and SwiftUI. Enabling CloudKit Support…

CloudKit provides a way for apps to store cloud-based databases using iCloud storage so that it is accessible across multiple devices, users, and apps. Although initially provided with a dedicated framework that allows code to be written to directly create, manage and access iCloud-based databases, the recommended approach is now to use CloudKit in conjunction…

Now that we have explored the concepts of Core Data, it is time to put that knowledge to use by creating an example app project. In this project tutorial, we will create a simple inventory app that uses Core Data to persistently store the names and quantities of products. This will include the ability to…