Core data not saving and displaying data - ios

Question

I have followed this tutorial from Dennis Roberson on core data (https://www.youtube.com/watch?v=ZoTAKAjEIFM). Everything builds fine and i've set up my model etc correctly but it does not seem to save, even the NSLog in -(void)saveAndDismiss method does not display in the console? Have anyone encountered this or might be able to help me?
My CoreViewController.m
#import "CoreViewController.h"
#import "AppDelegate.h"
#interface CoreViewController ()
#property (nonatomic,strong) NSManagedObjectContext *managedObjectContext;
#end
#implementation CoreViewController
-(NSManagedObjectContext*)managedObjectContext{
return [(AppDelegate*)[[UIApplication sharedApplication]delegate]managedObjectContext];
}
-(void)cancelAndDismiss{
[self.managedObjectContext rollback];
[self.navigationController popViewControllerAnimated:YES];
}
-(void)saveAndDismiss{
NSError *error = nil;
if ([self.managedObjectContext hasChanges]) {
if (![self.managedObjectContext save:&error]) {
NSLog(#"Save Failed: %#",[error localizedDescription]);
} else {
NSLog(#"Save Succeeded");
}
}
[self.navigationController popViewControllerAnimated:YES];
}
#end
my personTableViewController.h
#import <UIKit/UIKit.h>
#import "Person.h"
#interface personTableViewController : UITableViewController <NSFetchedResultsControllerDelegate>
#property (nonatomic,strong)Person *person;
#end
my PersonTableViewController.m
#import "personTableViewController.h"
#import "AppDelegate.h"
#import "personViewController.h"
#interface personTableViewController ()
#property (nonatomic,strong)NSManagedObjectContext *managedObjectContext;
#property (nonatomic,strong)NSFetchedResultsController *fetchedResultsController;
#end
#implementation personTableViewController
-(NSManagedObjectContext*)managedObjectContext{
return [(AppDelegate*)[[UIApplication sharedApplication]delegate]managedObjectContext];
}
- (void)viewDidLoad {
[super viewDidLoad];
NSError *error = nil;
if (![[self fetchedResultsController]performFetch:&error]) {
NSLog(#"Error! %#", error);
abort();
}
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return [[self.fetchedResultsController sections]count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
id<NSFetchedResultsSectionInfo> sectionInfo = [[self.fetchedResultsController sections]objectAtIndex:section];
return [sectionInfo numberOfObjects];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
// static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Cell" forIndexPath:indexPath];
// Configure the cell...
Person *person = [self.fetchedResultsController objectAtIndexPath:indexPath];
cell.textLabel.text = person.personName;
[self.tableView reloadData];
return cell;
}
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{
if ([[segue identifier]isEqualToString:#"addPerson"]) {
UINavigationController *navigationController = segue.destinationViewController;
personViewController *addPersonViewController = (personViewController*)
navigationController.topViewController;
Person *addPerson = [NSEntityDescription insertNewObjectForEntityForName:#"Person" inManagedObjectContext:[self managedObjectContext]];
addPersonViewController.addPerson = addPerson;
}
}
#pragma mark - Fetched Results Controller Section
-(NSFetchedResultsController*)fetchedResultsController{
if (_fetchedResultsController !=nil) {
return _fetchedResultsController;
}
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc]init];
NSManagedObjectContext *context = [self managedObjectContext];
NSEntityDescription *entity = [NSEntityDescription entityForName:#"Person" inManagedObjectContext:context];
[fetchRequest setEntity:entity];
NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc]initWithKey:#"personName" ascending:YES];
NSArray *sortDescriptors = [[NSArray alloc]initWithObjects:sortDescriptor, nil];
fetchRequest.sortDescriptors = sortDescriptors;
_fetchedResultsController = [[NSFetchedResultsController alloc]initWithFetchRequest:fetchRequest managedObjectContext:context sectionNameKeyPath:nil cacheName:nil];
_fetchedResultsController.delegate = self;
return _fetchedResultsController;
}
#pragma mark - Fetched Results Controller Delegates
-(void)controllerWillChangeContent:(NSFetchedResultsController *)controller{
[self.tableView beginUpdates];
}
-(void)controllerDidChangeContent:(NSFetchedResultsController *)controller{
[self.tableView endUpdates];
}
-(void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath{
UITableView *tableView = self.tableView;
switch (type) {
case NSFetchedResultsChangeInsert:
[tableView insertRowsAtIndexPaths:[NSArray arrayWithObjects:newIndexPath,nil] withRowAnimation:UITableViewRowAnimationFade];
break;
case NSFetchedResultsChangeDelete:
[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath,nil] withRowAnimation:UITableViewRowAnimationFade];
break;
case NSFetchedResultsChangeUpdate: {
Person *changePerson = [self.fetchedResultsController objectAtIndexPath:indexPath];
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
cell.textLabel.text = changePerson.personName;
}
break;
case NSFetchedResultsChangeMove:
[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath,nil] withRowAnimation:UITableViewRowAnimationFade];
[tableView insertRowsAtIndexPaths:[NSArray arrayWithObjects:newIndexPath,nil] withRowAnimation:UITableViewRowAnimationFade];
break;
}
}
-(void)controller:(NSFetchedResultsController *)controller didChangeSection:(id<NSFetchedResultsSectionInfo>)sectionInfo atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type {
switch (type) {
case NSFetchedResultsChangeInsert:
[self.tableView insertSections:[NSIndexSet indexSetWithIndex:sectionIndex] withRowAnimation:UITableViewRowAnimationFade];
break;
case NSFetchedResultsChangeDelete :
[self.tableView deleteSections:[NSIndexSet indexSetWithIndex:sectionIndex] withRowAnimation:UITableViewRowAnimationFade];
break;
case NSFetchedResultsChangeMove:
NSLog(#"A table item was moved");
break;
case NSFetchedResultsChangeUpdate:
NSLog(#"A table item was updated");
break;
}
}
#end
In personViewController.h
#import <UIKit/UIKit.h>
#import "CoreViewController.h"
#import "Person.h"
#interface personViewController : CoreViewController
- (IBAction)savePressed:(id)sender;
- (IBAction)cancelPressed:(id)sender;
#property (strong, nonatomic) IBOutlet UITextField *personNameTextField;
#property (strong,nonatomic) Person *addPerson;
#end
And my personViewController.m (add person view controller with text fields)
#import "personViewController.h"
#import "AppDelegate.h"
#import "CoreViewController.h"
#interface personViewController ()
#end
#implementation personViewController
#synthesize addPerson;
#synthesize personNameTextField;
- (IBAction)savePressed:(id)sender {
addPerson.personName = personNameTextField.text;
[super saveAndDismiss];
}
- (IBAction)cancelPressed:(id)sender {
[super cancelAndDismiss];
}
#end
Sorry for so much code, just i am very stuck and run out of ideas