iOS 17 Programming for Beginners - Eighth Edition

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Passing 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 text field and text view delegate methods, and finally, you’ll pass data from the Journal List screen to the Journal ...