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copied!<p>I think i got the solution:</p> <p>First change your view base application to a navigation based:<br/> This is your standard template for you main nib: <img src="https://i.stack.imgur.com/xbl9x.png" alt="enter image description here"></p> <p>Make it like this:<br/> <img src="https://i.stack.imgur.com/sufIl.png" alt="enter image description here"></p> <p>Add a UINavigationController. Open it and drag the ViewBasedViewController over the existing controller in your UINavigationController.</p> <p>Go to your App Delegate:</p> <pre><code>@interface ViewBasedAppDelegate : NSObject <UIApplicationDelegate> { UIWindow *window; UINavigationController *navController; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet UINavigationController *navController; @end @synthesize window; @synthesize navController; #pragma mark - #pragma mark Application lifecycle - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [self.window addSubview:navController.view]; [self.window makeKeyAndVisible]; return YES; } //Other code omitted @end </code></pre> <p>Link the navController outlet to the navigation controller in your NIB.</p> <p>Make a new class with lets say 'TheTabBarController'.</p> <p>Add this to your view based controller to add the fifth controller:</p> <pre><code>- (IBAction) addFifthView:(id)sender { TheTabBarController *conn = [[TheTabBarController alloc] init]; [self.navigationController pushViewController:conn animated:YES]; [conn release]; } </code></pre> <p>Implement the TheTabBarController like this:</p> <pre><code>@interface TheTabBarController : UITabBarController { } @end @implementation TheTabBarController - (void) viewDidLoad { UIViewController *dummy = [[UIViewController alloc] initWithNibName:@"Dummy" bundle:nil]; dummy.title = @"Dummy title"; dummy.view.backgroundColor = [UIColor redColor]; UIViewController *otherDummy = [[UIViewController alloc] initWithNibName:@"Dummy" bundle:nil]; otherDummy.title = @"Other dummy"; otherDummy.view.backgroundColor = [UIColor blueColor]; [self setViewControllers:[NSArray arrayWithObjects:dummy,otherDummy,nil]]; [dummy release]; [otherDummy release]; } //Other code omitted @end </code></pre> <p>Should work like this.</p>

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