Book Image

SwiftUI Essentials – iOS 14 Edition

By : Neil Smyth
Book Image

SwiftUI Essentials – iOS 14 Edition

By: Neil Smyth

Overview of this book

Do you want to create iOS apps with SwiftUI, Xcode 12, and Swift 5.3, and want to publish it on the app store? This book helps you achieve these skills with a step-by-step approach. This course first walks you through the steps necessary to set up an iOS development environment together and introduces Swift Playgrounds to learn and experiment with Swift—specifically, the Swift 5.3 programming language. After establishing key concepts of SwiftUI and project architecture, this course provides a guided tour of Xcode in SwiftUI development mode. The book also covers the creation of custom SwiftUI views and explains how these views are combined to create user interface layouts, including the use of stacks, frames, and forms. One of the more important skills you’ll learn is how to integrate SwiftUI views into existing UIKit-based projects and explain the integration of UIKit code into SwiftUI. Finally, the book explains how to package up a completed app and upload it to the app store for publication. Along the way, the topics covered in the book are put into practice through detailed tutorials, the source code for which is also available for download. By the end of this course, you will be able to build your own apps for iOS 14 using SwiftUI and publish it on the app store. The code files for the book can be found here: https://www.ebookfrenzy.com/retail/swiftui-ios14/
Table of Contents (56 chapters)
56
Index

27.1 Container Alignment

The most basic of alignment options when working with SwiftUI stacks is container alignment. These settings define how the child views contained within a stack are aligned in relation to each other and the containing stack. This alignment value applies to all the contained child views unless different alignment guides have been applied on individual views. Views that do not have their own alignment guide are said to be implicitly aligned.

When working with alignments it is important to remember that horizontal stacks (HStack) align child views vertically, while vertical stacks (VStack) align their children horizontally. In the case of the ZStack, both horizontal and vertical alignment values are used.

The following VStack declaration consists of a simple VStack configuration containing three child views:

VStack {

    Text("This is some text")

    Text("This is some longer text")

...