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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 Swift concurrency

In Swift 5.5, Apple added support for writing asynchronous and parallel code in a structured way.

Asynchronous code allows your app to suspend and resume code. This allows your app to do things like update the user interface while still performing operations like downloading data from the internet.

Parallel code allows your app to run multiple pieces of code simultaneously.

You can find links to all of Apple’s Swift concurrency videos during WWDC21 at https://developer.apple.com/news/?id=2o3euotz.

You can read Apple’s Swift concurrency documentation at https://developer.apple.com/news/?id=2o3euotz.

To give you an idea of how Swift concurrency works, imagine that you are making a poached egg sandwich for breakfast. Here is one way of doing it:

  1. Put two slices of bread into the toaster.
  2. Wait two minutes until the bread is toasted.
  3. Put an egg in a bowl with some water and put the bowl...

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