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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

Passing data from the Add New Journal Entry screen to the Journal List screen

As shown in the app tour in Chapter 10, Setting Up the User Interface, the Add New Journal Entry screen allows the user to enter data to create a new journal entry. To do so, the user will click the + button in the top-right corner of the Journal List screen to display the Add New Journal Entry screen. The user will then enter the details for the new journal entry. Clicking the Save button will dismiss the Add New Journal Entry screen and a new row containing a table view cell is added to the table view on the Journal List screen. The table view cell will display the photo, date, and title of the newly added journal entry.

For this to work, you’ll implement the prepare(for:sender:) method for the view controller managing the Add New Journal Entry screen. This method is triggered when you go from one view controller to another. With this method, you’ll create a new journal entry using the...

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