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copied!<p>1st Suggestion: </p> <p>Make one mainController and add the buttons(depends on how many viewController you have), when button clicked each button will load different viewController. </p> <pre><code>// appDelegate.h @property (strong, nonatomic) UIWindow *window; @property (strong, nonatomic) MainViewController *mainController; //appDelegate.m self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; self.mainController = [[[MainViewController alloc] initWithNibName:@"MainViewController" bundle:nil] autorelease]; self.window.rootViewController = self.viewController; //each button clicked has following IBAction: -(IBAction)button1Clicked:(id)sender { FirstViewController *firstVC = [[FirstViewController alloc]initWithNibName:@"FirstViewController" bundle:[NSBundle mainBundle]]; UINavigationController *navController = [[[UINavigationController alloc] initWithRootViewController:firstVC]autorelease]; [self presentModalViewController:navController animated:NO]; [addVC release]; } //in FirstViewController.m -(void)viewDidLoad { [super viewDidLoad]; self.title = @"xxxx "; self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancel_Clicked:)]autorelease]; } -(void) cancel_Clicked:(id)sender { [self dismissModalViewControllerAnimated:YES]; } </code></pre> <p>Note : </p> <p>ViewController to be embedded inside a navigation controller, the following code has to be used;</p> <pre><code>UINavigationController *navController = [[[UINavigationController alloc] initWithRootViewController:firstVC]autorelease]; </code></pre>

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