Core data updating records Sexi movie and chat
So, click the round plus button at the bottom of the model editor.This will create a new entity which we can click once to select it, and once more to be able to rename it.was automatically created by Xcode, because you activated “Use Core Data” when we set up the project.If you open that file, Xcode is going to present the Core Data Model Editor to you: Much of Core Data’s functionality depends on the scheme you create to describe your application’s entities, their properties, and the relationships between them.
A managed object model allows Core Data to map from records in a persistent store to managed objects that you use in your application. Their names are also the names of the classes (subclasses of NSManaged Object), which are used to represent the entities in your application.
For this tutorial, we are going to assume that the world needs another app to track your healthy food intake. Basically, there are two options: Eat fruit (represented by the apple button) or eat vegetable (represented by the salad taco button).
When you press either button, the corresponding food is added to the table view in the lower third of the screen.
At the same time, the type of food you chose and the time you pressed the button are saved using Core Data.
In the upper right corner, you also have a “Remind me” button, which allows you to schedule notifications to be regularly reminded about eating something healthy.
The attributes you can add to an entity are also represented as properties in the subclasses.