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copied!<p>That's probably because Your rootViewController (for your main UIWindow) is set to a Navigationcontroller instead of your TabBar. If you don't want the Tabbar to go away just set it as your root view controller</p> <p>Do the following in appDidFinishLaunching in your AppDelegate</p> <pre><code>LoginViewController *loginViewController = [[FirstViewController alloc] init]; UINavigationController *loginNavigationController = [[UINavigationController alloc] loginViewController]; [firstViewController release]; self.window.rootViewController = loginNavigationController; </code></pre> <p>Then in your Login Page:</p> <pre><code>- (void)loginSuccessfull { FirstViewController *firstViewController = [[FirstViewController alloc] init]; UINavigationController *firstNavigationController = [[UINavigationController alloc] initWithViewController:firstViewController]; [firstViewController release]; SecondViewController *secondViewController = [[SecondViewController alloc] init]; UINavigationController *secondNavigationController = [[UINavigationController alloc] initWithViewController:secondViewController]; [secondViewController release]; UITabBarController *tabBarController = [[UITabBarController alloc] init]; [tabBarController setViewControllers: [NSArray arrayWithObjects:firstNavigationController, secondNavigationController, nil]]; [firstNavigationController release]; [secondNavigationController release]; [self.navigationController pushViewController:tabBarController]; [tabBarController release]; </code></pre> <p>}</p> <p>If you still need the navigation functionality just wrap your viewControllers inside a UINavigationController, and add the serounding navigationController to the tabBar, instead of the UIViewcontroller</p>

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