oneViewController * first =[oneViewController new];
UINavigationController * oneNav =[[UINavigationController alloc]initWithRootViewController:first];
oneNav.tabBarItem=[[UITabBarItem alloc]initWithTitle:@"XX" image:[UIImage imageNamed:@""] selectedImage:[UIImage imageNamed:@""]];
twoViewController * second =[twoViewController new];
UINavigationController * twoNav =[[UINavigationController alloc]initWithRootViewController:second];
twoNav.tabBarItem=[[UITabBarItem alloc]initWithTitle:@"XX" image:[UIImage imageNamed:@""] selectedImage:[UIImage imageNamed:@""]];
threeViewController * third =[threeViewController new];
UINavigationController * threeNav =[[UINavigationController alloc]initWithRootViewController:third];
threeNav.tabBarItem=[[UITabBarItem alloc]initWithTitle:@"XX" image:[UIImage imageNamed:@""] selectedImage:[UIImage imageNamed:@""]];
fourViewController * fouth = [fourViewController new];
UINavigationController * fourNav = [[UINavigationController alloc]initWithRootViewController:fouth];
fourNav.tabBarItem = [[UITabBarItem alloc]initWithTitle:@"XX" image:[UIImage imageNamed:@""] selectedImage:[UIImage imageNamed:@""]];
fiveViewController * fifth =[fiveViewController new];
UINavigationController * fiveNav =[[UINavigationController alloc]initWithRootViewController:fifth];
fiveNav.tabBarItem=[[UITabBarItem alloc]initWithTitle:@"XX" image:[UIImage imageNamed:@""] selectedImage:[UIImage imageNamed:@""]];
self.viewControllers=@[oneNav,twoNav,threeNav,fourNav,fiveNav];