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Re: Question about scope
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Re: Question about scope


  • Subject: Re: Question about scope
  • From: "Eric E. Dolecki" <email@hidden>
  • Date: Thu, 26 Aug 2010 09:50:04 -0400

What I have done is when instantiating the viewcontroller to push into the
navigationviewcontroller is to call a method on the viewcontroller before
the push, thus setting the var and not trying to attempt a get. It works.
Still curious about the get though - can that be done?


Interactive Designer and Developer
Google Voice: (508) 656-0622
http://blog.ericd.net



On Thu, Aug 26, 2010 at 8:49 AM, Eric E. Dolecki <email@hidden> wrote:

> This is a noob question I'm sure.
>
> I have a rootViewController. In it is a NSString thats been declared. The
> rootViewController pushes another view onto the NavigationViewController...
> loading that view. I'd like the loaded view to be able to access that string
> variable. However, I am currently getting a null for it.
>
>
> *RootViewController*
> ....
>
> - (void)viewDidLoad {
>     myString = @"foo";
>     ....
> }
>
> - (NSString *)getString {
>     return myString;
> }
>
> - (void)displaySecondView:(id)sender {
>     UIViewController *menuViewController = [[MenuViewController alloc]
> init];
>     menuViewController.title = @"Menu";
>     self.navigationItem.backBarButtonItem =
>     [[UIBarButtonItem alloc] initWithTitle:@"Now Playing"
>                                      style: UIBarButtonItemStyleBordered
>                                     target:nil
>                                     action:nil];
>     [self.navigationController pushViewController:menuViewController
> animated:YES];
>     [menuViewController release];
> }
>
> *And now the view being pushed...
> *
> in the .h I import RootViewController
>
> RootViewController *rootViewController
>
> @property(nonatomic,retain) RootViewController *rootViewController
> ----------
> in the .m
>
> @synthesize rootViewController
>
> - (void)viewDidLoad {
>     NSString *tmp = [rootViewController getSourceLabel];
>     NSLog(@"%@",tmp); // (null)
> }
>
> All I want to do is access methods in the RootViewController...
>
>
>
>
>
>
>
> Interactive Designer and Developer
> Google Voice: (508) 656-0622
> http://blog.ericd.net
>
>
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