You will continue working on the LetsEat project that you modified in the previous chapter.
The resource files and completed Xcode project for this chapter are in the Chapter20 folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-13-Programming-for-Beginners.
Let's start by learning about photo filters, and how to apply them to images.
Check out the following video to see the code in action: