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You're reading from  SwiftUI Essentials – iOS 14 Edition

Product typeBook
Published inMay 2021
Reading LevelBeginner
PublisherPackt
ISBN-139781801813228
Edition1st Edition
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Neil Smyth
Neil Smyth
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Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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20.4 Working with Subviews

Apple recommends that views be kept as small and lightweight as possible. This promotes the creation of reusable components, makes view declarations easier to maintain and results in more efficient layout rendering.

If you find that a custom view declaration has become large and complex, identify areas of the view that can be extracted into a subview. As a very simplistic example, the HStack view in the above example could be extracted as a subview named “MyHStackView” as follows:

struct ContentView: View {

    var body: some View {

        VStack {

            VStack {

                Text("Text 1")

                Text("Text 2"...

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SwiftUI Essentials – iOS 14 Edition
Published in: May 2021Publisher: PacktISBN-13: 9781801813228

Author (1)

author image
Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
Read more about Neil Smyth