gistfile1.m

**JPAppDelegate.m**

@implementation JPAppDelegate

@synthesize managedObjectContext = _managedObjectContext;
@synthesize managedObjectModel = _managedObjectModel;
@synthesize persistentStoreCoordinator = _persistentStoreCoordinator;

**In JPAppDelegate.h**

#import <UIKit/UIKit.h>

@interface JPAppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

@property (readonly, strong, nonatomic) NSManagedObjectContext *managedObjectContext;
@property (readonly, strong, nonatomic) NSManagedObjectModel *managedObjectModel;
@property (readonly, strong, nonatomic) NSPersistentStoreCoordinator *persistentStoreCoordinator;

- (void)saveContext;
- (NSURL *)applicationDocumentsDirectory;

@end

**In LeaderboardViewController.h**

#import <UIKit/UIKit.h>
#import "JPAppDelegate.h"
#import <CoreData/CoreData.h>

@interface LeaderboardViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, assign) int scoreToBeAdded;

@end

**In LeaderboardViewController.m**


#import "LeaderboardViewController.h"
#import "JPAppDelegate.h"

@interface LeaderboardViewController ()

@end

@implementation LeaderboardViewController

{
    NSMutableArray *scores;
}

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    // Initialize table data
    
    scores = [NSMutableArray arrayWithObjects:@"TODO: Enter real data here", @"TODO: Enter real data here", nil];
    
    NSNumber *anumber = [NSNumber numberWithInteger:_scoreToBeAdded];
    
    NSString *scoreToAddAsString = [anumber stringValue];
    
    JPAppDelegate *JPAppDelegate = [[UIApplication sharedApplication] delegate];
    
    NSManagedObjectContext *context =[JPAppDelegate managedObjectContext];
    
    NSLog(context);
    
    NSManagedObject *newScore;
    
    newScore = [NSEntityDescription
                insertNewObjectForEntityForName:@"Scores"
                inManagedObjectContext:context];
    [newScore setValue: scoreToAddAsString forKey:@"score"];
    NSError *error;
    [context save:&error];

    NSLog(@"Leaderboard loaded w new score to add %i", _scoreToBeAdded);
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [scores count];
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *simpleTableIdentifier = @"SimpleTableCell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier];
    
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifier];
    }
    
    cell.textLabel.text = [scores objectAtIndex:indexPath.row];
    return cell;
}


- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end