iPhone kjernedata Tutorial Part 2

NSError * error = null;

if ([recipes.managedObjectContextsave: & error]) {Anmeldelser

//Handle feil

NSLog (@ "Uløste feil% @,% @", feil, [error Userinfo]);

exit (-1); //Fail

}

[selfdismissModalViewControllerAnimated: YES];

}

- (void) spare {

recipes.recipeName = textFieldOne.text;

recipes.cookingTime = textFieldTwo.text;

NSError * error = null;

if ([recipes.

managedObjectContextsave: & error]) {

//Handle feil

NSLog (@ "Uløste feil% @,% @", feil, [error Userinfo]);

exit (-1); //Fail

}

[selfdismissModalViewControllerAnimated: YES];

}

- (void) didReceiveMemoryWarning {

[superdidReceiveMemoryWarning] ;

}

- (void) viewDidUnload {

}

#pragma mark -

#pragma mark Photo

- (IBAction) photoButtonPressed {

[textFieldOne endEditing: YES];

[textFieldTwo endEditing: YES];

UIImagePickerController * imagePicker = [[UIImagePickerControlleralloc] init ];

imagePicker.

delegate = selv;

[selfpresentModalViewController: imagePicker animerte: YES] [imagePicker utgivelsen];

}

- (void ) imagePickerController: (UIImagePickerController *) picker didFinishPickingImage: (UIImage *) selectedImage editingInfo: (NSDictionary *) editingInfo {

NSManagedObject * oldImage = recipes.recipeImage;

if (oldImage = null) {

[recipes.managedObjectContextdeleteObject: oldImage];

}

RecipeImage * image = [NSEntityDescriptioninsertNewObjectForEntityForName:@"RecipeImage"inManagedObjectContext:recipes.

managedObjectContext];

recipes.recipeImage = Image;

[image SetValue: selectedImage Forkey: @ "recipeImage"];

CGSize size = selectedImage.size;

CGFloat ratio = 0;

< p> if (size.width> size.height) {

ratio = 128,0 /size.width;

} else {

ratio = 130,0 /size.height;

}

CGRect rect = CGRectMake (0,0, 0,0, ratio * size.width, ratio * size.height);

UIGraphicsBeginImageContext (rect.size);

[selectedImage drawInRect: rect];

recipes.

recipeThumbnailImage = UIGraphicsGetImageFromCurrentImageContext ();

[selfdismissModalViewControllerAnimated: YES];

}

- (void) imagePickerControllerDidCancel: (UIImagePickerController *) picker {

[selfdismissModalViewControllerAnim