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iPhone Core Data Tutorial Parte 2

ilImage forState: UIControlStateNormal];

}

- (void ) cancelar {

[recipes.managedObjectContextdeleteObject: receitas];

NSError * error = nil;

if ([recipes.managedObjectContextsave: & erro]!) {

//erro Handle

NSLog (@ "não resolvidos erro% @,% @", erro, [erro userInfo]);

exit

(1); //Falha

}

[selfdismissModalViewControllerAnimated: YES];

}

- (void) {salvar

recipes.recipeName = textFieldOne.text;

recipes.cookingTime = textFieldTwo.

text;

NSError * error = nil;

if ([recipes.managedObjectContextsave: & erro]!) {

//Handle erro

NSLog (@ "não resolvidos erro% @,% @", erro, [erro userInfo]);

exit

(1); //Falha

}

[selfdismissModalViewControllerAnimated: YES];

}

- (void) {didReceiveMemoryWarning

[superdidReceiveMemoryWarning] ;

}

- (void) {viewDidUnload

}

marca #pragma -

#pragma mark Foto

- (IBAction) photoButtonPressed {

[textFieldOne endEditing: YES];

[textFieldTwo endEditing: YES];

UIImagePickerController * imagePicker = [[UIImagePickerControlleralloc] de init ];

imagePicker.

delegate = auto;

[selfpresentModalViewController: imagePicker animado: YES]; [liberação imagePicker];

}

- (void ) imagePickerController: (UIImagePickerController *) selecionador didFinishPickingImage: (UIImage *) SelectedImage editingInfo: (NSDictionary *) editingInfo {

NSManagedObject * oldimage = recipes.recipeImage;

if (oldimage = nil) {

[recipes.managedObjectContextdeleteObject: oldimage];

}

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

managedObjectContext];

recipes.recipeImage = Imagem;

[imagem 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, razão * size.width, razão * size.height);

UIGraphicsBeginImageContext (rect.size);

[SelectedImage drawInRect: rect];

recipes.

recipeThumbnailImage = UIGraphicsGetImageFromCurrentImageContext ();

[selfdismissModalViewControl

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