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:
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In the MainScreenViewController class, add the following code to...