For ViewController.m, refer to the following code
(here, you can copy-and-paste, perhaps revise
some variable/identifier names/strings after pasting):
#import "ViewController.h"
#import "ProductViewController.h"
#import "Product.h"
@interface ViewController ()
@end
@implementation ViewController
Product *apple;
Product *orange;
Product *pomelo;
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
// create product objects here
apple = [Product alloc];
apple.name = @"Apple";
apple.imgFileName = @"apple.jpeg";
orange = [Product alloc];
orange.name = @"Orange";
orange.imgFileName = @"orange.jpeg";
pomelo = [Product alloc];
pomelo.name = @"Pomelo";
pomelo.imgFileName = @"pomelo.jpeg";
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if ([[segue identifier] isEqualToString:@"first"])
{
[[segue destinationViewController] setTheProduct:apple];
}
if ([[segue identifier] isEqualToString:@"second"])
{
[[segue destinationViewController] setTheProduct:orange];
}
if ([[segue identifier] isEqualToString:@"third"])
{
[[segue destinationViewController] setTheProduct:pomelo];
}
}
@end