Question

i have a problem with switch view between 2 views with nib files !
here my code .
my first page goes to page 2 ! but at page 2 i cant back to first page ! my app go out .. here is my code :

from page 1 to 2 :

    #import "HafezViewController.h"
#import "GhazaliateHafez.h"


-(IBAction)gh:(id)sender {
    HafezViewController *ghPage = [[HafezViewController alloc] initWithNibName: @"GhazaliateHafez" bundle:nil];
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:1.3];
    [UIView setAnimationTransition:UIViewAnimationTransitionCurlDown forView:self.view cache:YES];
    [self.view addSubview:ghPage.view];
    [UIView commitAnimations];
}

^^^^^^^^^
this code works great !
but from page 2 to back :

#import "GhazaliateHafez.h"
#import "HafezViewController.h"

@implementation GhazaliateHafez


-(IBAction)ghtoIndex:(id)sender {
    HafezViewController *back1 = [[HafezViewController alloc] initWithNibName:@"index" bundle:nil];
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:1.5];
    [UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:self.view cache:YES];
    [self.view addSubview:back1.view];
    [UIView commitAnimations];

}

after i tap the back button my app go to crashing …
whats my problem ?
thank you

Answer 1

You are adding view2 to view1, and then adding a view1 back to view2. When done with View2, simple call self.view.removeFromSuperview and view 1 will be shown again.

Actually, looking at this again, it seems like you might want to look at presentModalViewController to show view 2.