Technical requirements
You will continue working on the JRNL
project that you modified in the previous chapter.
The resource files and completed Xcode project for this chapter are in the Chapter18
folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-18-Programming-for-Beginners-Ninth-Edition
Check out the following video to see the code in action:
https://youtu.be/lJ4zuzzyjYE
Let’s start by creating a new singleton to store the data used by your app.