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User profile for user: Basta
Basta Author
User level: Level 1
0 points

iPhone PopToRootViewController and immediately push a new view controller

Why is the following iPhone code not working: 

[self.navigationController popToRootViewControllerAnimated:NO];
LoginViewController *loginViewController = [[[LoginViewController alloc] initWithNibName:@"TableView" bundle:nil] autorelease];
[self.navigationController pushViewController:loginViewController animated:YES];

The above code causes the rootviewcontroller to be shown (not animated) but the new viewcontroller is not showing up. Is the above code wrong? How am I supposed to do the described?

Mac Mini, Mac OS X (10.5.6)

Posted on Jan 19, 2010 1:19 PM

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User profile for user: jpimbert
jpimbert
User level: Level 3
660 points

Posted on Jan 19, 2010 10:01 PM

Try 
UINavigationController * navigationController = self.navigationController;
[navigationController popToRootViewControllerAnimated:NO];
LoginViewController *loginViewController = [[[LoginViewController alloc] initWithNibName:@"TableView" bundle:nil] autorelease];
[navigationController pushViewController:loginViewController animated:YES];

I think your bit of code comes from a view controller which is in the navigation stack, so the popToRootViewControllerAnimated: message set the navigationController property to nil, thus the pushViewController:animated: message is sent to nil.
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User profile for user: jpimbert
jpimbert
User level: Level 3
660 points

Jan 19, 2010 10:01 PM in response to Basta

Try 
UINavigationController * navigationController = self.navigationController;
[navigationController popToRootViewControllerAnimated:NO];
LoginViewController *loginViewController = [[[LoginViewController alloc] initWithNibName:@"TableView" bundle:nil] autorelease];
[navigationController pushViewController:loginViewController animated:YES];

I think your bit of code comes from a view controller which is in the navigation stack, so the popToRootViewControllerAnimated: message set the navigationController property to nil, thus the pushViewController:animated: message is sent to nil.
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iPhone PopToRootViewController and immediately push a new view controller

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