Question

When click button, a popoverView embedded in NavigationView appear.
My code is as follows:

  -(IBAction)myStuffPOP:(id)sender
   {
    if(myStuffListViewController ==nil)
    {        
        myStuffListViewController = [[MyStuffListViewController alloc] init]; 
    }
    UINavigationController *navcontroller=[[[UINavigationController alloc] initWithRootViewController:myStuffListViewController] autorelease];
 // Here we create popover controller.
    mystuffPopoverView =  [[UIPopoverController alloc] initWithContentViewController:navcontroller] ;
    CGRect popoverRect = [self.view convertRect:[sender frame] fromView:[sender superview]];

    popoverRect.size.width = MIN(popoverRect.size.width, 100);
    popoverRect.size.height = 40;

    [mystuffPopoverView presentPopoverFromRect:popoverRect inView:self.view permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];

    [navcontroller setNavigationBarHidden:NO];

} 

In NavigationView of PopoverView :

1st subView ---> 2nd SubView ---> 3rd Subview

If I touch 3rd SubView, PopoverView disappears.

My Question is :

When I click button again, I wanna to see lastest View – 3rd SubView not 1st SubView.

Answer 1

1. Declare UINavigationController *navcontroller; in .h file

2. Create only onсe navcontroller with your root view controller,
   in viewDidLoad method, for example.

   - (void)viewDidLoad {     
       myStuffListViewController = [[MyStuffListViewController alloc] init]; 
       navcontroller=[[UINavigationController alloc] initWithRootViewController:myStuffListViewController]; }
   

3. Show UIPopoverController with exist navigation stack

   -(IBAction)myStuffPOP:(id)sender    {
       //Here we create popover controller.
       mystuffPopoverView =  [[UIPopoverController alloc] initWithContentViewController:navcontroller] ;
       CGRect popoverRect = [self.view convertRect:[sender frame] fromView:[sender superview]];
   
       popoverRect.size.width = MIN(popoverRect.size.width, 100);
       popoverRect.size.height = 40;
   
       [mystuffPopoverView presentPopoverFromRect:popoverRect inView:self.view permittedArrowDirections:UIPopoverArrowDirectionUp
   animated:YES];
       [navcontroller setNavigationBarHidden:NO]; }
   

4. Don’t forget to release objects

   - (void)dealloc {   
       [myStuffListViewController release];
       [navcontroller release];
   }