You still need to finish the rest of the CRUD operations for your iOS application: editing an existing entry and deleting an existing entry.
Finishing the CRUD operations
Editing an existing entry
Most of the code used in creating a new entry can be reused here to edit an existing journal entry.
Creating the EditEntry segue
First of all, create a new segue by Ctrl + dragging from the table view component to the Navigation Controller. Name the segue EditEntry and specify the kind of attribute to be Show:
![](https://static.packt-cdn.com/products/9781789341171/graphics/assets/2b033f5c-7dee-48f1-a209-05196bdc89d7.png)
In the MainScreenViewController class, add the following code to...