iPhone Core Data opetusohjelma Osa 2

//kahva virhe

NSLog (@ "Ratkaisematon virhe% @,% @", virhe, [error UserInfo]);

exit (-1); //Fail

}

[selfdismissModalViewControllerAnimated: KYLLÄ];

}

- (void) säästää {

recipes.recipeName = textFieldOne.text;

recipes.cookingTime = textFieldTwo.text;

NSError * error = nolla;

jos (! [recipes.

managedObjectContextsave: & error]) {

//kahva virhe

NSLog (@ "Ratkaisematon virhe% @,% @", virhe, [error UserInfo]);

exit (-1); //Fail

}

[selfdismissModalViewControllerAnimated: KYLLÄ];

}

- (void) didReceiveMemoryWarning {

[superdidReceiveMemoryWarning] ;

}

- (void) viewDidUnload {

}

# pragma Mark -

# pragma merkki Valokuva

- (IBAction) photoButtonPressed {

[textFieldOne endEditing: YES];

[textFieldTwo endEditing: YES];

UIImagePickerController * imagePicker = [[UIImagePickerControlleralloc] init ];

imagePicker.

delegate = itse;

[selfpresentModalViewController: imagePicker animoitu: YES]; [imagePicker release];

}

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

NSManagedObject * oldImage = recipes.recipeImage;

jos (oldImage! = nolla) {

[recipes.managedObjectContextdeleteObject: oldImage];

}

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

managedObjectContext];

recipes.recipeImage = Image;

[kuva SetValue: selectedImage forKey: @ "recipeImage"];

CGSize size = selectedImage.size;

CGFloat suhde = 0;

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

suhde = 128,0 /size.width;

} else {

suhde = 130,0 /size.height;

}

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

UIGraphicsBeginImageContext (rect.size);

[selectedImage drawInRect: RECT];

recipes.

recipeThumbnailImage = UIGraphicsGetImageFromCurrentImageContext ();

[selfdismissModalViewControllerAnimated: KYLLÄ];

}

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

[selfdismissModalViewControllerAnimated: KYLLÄ];

}

- (void)