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iOS 17 Programming for Beginners

iOS 17 Programming for Beginners

By : Ian Lockett, Ahmad Sahar
4.6 (21)
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iOS 17 Programming for Beginners

iOS 17 Programming for Beginners

4.6 (21)
By: Ian Lockett, Ahmad Sahar

Overview of this book

In a world with nearly 2 million apps on the App Store, the demand for skilled iOS developers has never been higher. "iOS 17 Programming for Beginners, Eighth Edition" is your gateway to this lucrative and dynamic field. This hands-on guide is tailored for those who are new to iOS and takes you on a journey from learning the Swift language to crafting your own app and seeing it thrive on the App Store. Our approach is hands-on and practical. Each chapter is designed to be a stepping stone in your development journey, providing step-by-step tutorials, real-life examples, and clear explanations of complex concepts. As you progress, you'll not only be skilled in Swift but also incorporate cutting-edge technologies into your apps. You'll learn how to publish your creations and harness the power of iOS 17 through a straightforward and easy to program example app divided into manageable parts. By the time you've completed this book, you'll possess the skills and knowledge to not only develop and publish captivating apps but also leverage online resources to continually enhance your app development prowess.
Table of Contents (34 chapters)
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1
Part 1: Swift
11
Part 2: Design
16
Part 3: Code
26
Part 4: Features
32
Other Books You May Enjoy
33
Index

Creating a custom UIStackView subclass

You’ve only used Apple’s predefined UI elements so far, such as labels and buttons. All you had to do was click the Library button, search for the object you want, and drag it into the storyboard. However, there will be cases where the objects provided by Apple are either unsuitable or don’t exist. In such cases, you will need to build your own. Let’s review the Add New Journal Entry screen that you saw in the app tour:

Figure 19.1: Add New Journal Entry screen showing the star rating

You can see a group of five stars just above the Get Location switch. Currently, the New Entry scene and the Entry Detail scene in the Main storyboard file have placeholder view objects where the stars should be. You will create the RatingView class, a custom subclass of the UIStackView class, which you will use in both scenes. An instance of this class will display ratings as stars.

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