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SwiftUI Cookbook

SwiftUI Cookbook

By : Giordano Scalzo, Nzokwe
4.8 (10)
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SwiftUI Cookbook

SwiftUI Cookbook

4.8 (10)
By: Giordano Scalzo, Nzokwe

Overview of this book

SwiftUI is an innovative and simple way to build beautiful user interfaces (UIs) for all Apple platforms, right from iOS and macOS through to watchOS and tvOS, using the Swift programming language. In this recipe-based book, you’ll work with SwiftUI and explore a range of essential techniques and concepts that will help you through the development process. The recipes cover the foundations of SwiftUI as well as the new SwiftUI 2.0 features introduced in iOS 14. Other recipes will help you to make some of the new SwiftUI 2.0 components backward-compatible with iOS 13, such as the Map View or the Sign in with Apple View. The cookbook begins by explaining how to use basic SwiftUI components. Then, you’ll learn the core concepts of UI development such as Views, Controls, Lists, and ScrollViews using practical implementation in Swift. By learning drawings, built-in shapes, and adding animations and transitions, you’ll discover how to add useful features to the SwiftUI. When you’re ready, you’ll understand how to integrate SwiftUI with exciting new components in the Apple development ecosystem, such as Combine for managing events and Core Data for managing app data. Finally, you’ll write iOS, macOS, and watchOS apps while sharing the same SwiftUI codebase. By the end of this SwiftUI book, you'll have discovered a range of simple, direct solutions to common problems found in building SwiftUI apps.
Table of Contents (15 chapters)
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Creating a dashed border in SwiftUI

SwiftUI permits you to create sophisticated strokes around the border of a View. The strokes can be customized as much as we want, changing the color, thickness, and the style it's drawn in – either continuous or dashed.

Using this functionality, in this recipe, we'll see how to build a dashed border for an Instagram avatar-like image.

Getting ready

Let's implement a new SwiftUI project called DashedBorderShapeApp. The recipe requires an image as the base for the avatar – feel free to add your own image or use the one you can find in the GitHub repository in the Resources folder (https://github.com/PacktPublishing/SwiftUI-Cookbook/blob/master/Resources/Chapter06/recipe2/mountainbike.jpg), courtesy of the Pixabay user David Mark (https://pixabay.com/users/tpsdave-12019). Add the image in the Assets catalog, calling it mountainbike.

How to do it...

In this recipe, we'll see how adding a dashed border...

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