November 2025
Beginner
634 pages
12h 20m
English
Content preview from iOS 26 Programming for Beginners - Tenth Edition
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16
Pass Data Between View Controllers
In the previous chapter, you configured the JournalListViewController class, the view controller for the Journal List screen, to display journal entries from a structure containing sample data in a table view.
In this chapter, you’ll learn how to pass data from one view controller to another. You’ll start by implementing a view controller for the Add New Journal Entry screen, then add code to pass data from the Add New Journal Entry screen to the Journal List screen. Next, you’ll learn how to remove journal entries while you’re on the Journal List screen. After that, you’ll learn about the text field and text view delegate methods, and finally, you’ll pass data from the Journal List screen to the Journal ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.