Delete object in Core Data

Question

How I can delete an object which I had added before with this code. Its a favorites section, in the begin, I add a gray star which adds an object coming from a fetch. Then I

Answer 1

Its quite simple :)

[context deleteObject:favorisObj];

And the bad object is all gone.

Update

You'd just reverse it with something like this if you need a button to delete the object.

-(IBAction)removeFavoris:(id)sender {

    AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

    NSManagedObjectContext *context = [appDelegate managedObjectContext];

    [context deleteObject:favorisObj];
}