Re: Question about scope
Re: Question about scope
- Subject: Re: Question about scope
- From: Dave DeLong <email@hidden>
- Date: Thu, 26 Aug 2010 07:52:19 -0600
Well to me it looks like you're never assigning anything into the second viewcontroller's rootViewController property, which means it'll be nil...
Dave
Sent from my iPhone
On Aug 26, 2010, at 7:50 AM, "Eric E. Dolecki" <email@hidden> wrote:
> 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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