hi iam currently working in IPHONE application ,in which NavigationController is a rootViewcontroller .
AppDelegatefile:== UINavigtionController *nav=[[UINavigationController alloc]initWithRootviewcontroller:ViewController];
[window addsubView:nav.view];
After navigating 5 screen(view) later my application need tabbar controller, so i just add Tabbbarcontroller over my viewController.
Histroy *his=[[history alloc]init];
Contact *con =[[Contact alloc]init];
Help hep=[[Help alloc]init];
tabController =[[UITabBarController alloc] init];
NSArray controllers = [NSArray arrayWithObjects:his,con,hep, nil];
tabController.viewControllers = controllers;
tabController.delegate = self;
navContactTab = [[UINavigationController alloc] initWithRootViewController:tabController];
navContactTab.view.frame=self.view.frame;
[self.view addSubview:navContactTab.view];
my application work perfectly but every time the view inside tbabar are not reloads . plz out above code where iam wrong plz give me help or any code snnipet. thanks in advance