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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

Understanding model objects

As you learned in Chapter 14, Getting Started with MVC and Table Views, a common design pattern for iOS apps is Model-View-Controller, or MVC. To recap, MVC divides an app into three different parts:

  • Model: This handles data storage, representation, and data processing tasks.
  • View: This is anything that is on the screen that the user can interact with.
  • Controller: This manages the flow of information between the model and the view.

Let’s revisit the design of the Journal List screen that you saw during the app tour, which looks like this:

Figure 15.1: Simulator showing the Journal List screen from the app tour

Build and run your app, and the Journal List screen will look like this:

Figure 15.2: Simulator showing the Journal List screen from your app

As you can see, all the cells currently display placeholders. Based on the MVC design pattern, you have partly completed the implementation of...

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