UITabBarController

Assigning controllers - (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions {

YearViewController *year = [[YearViewController alloc] init];  UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:year];   nav.title = @"Activity";

tab = [[UITabBarController alloc] init];  tab.viewControllers = [NSArray arrayWithObject:nav];

[window addSubview:tab.view]; [window makeKeyAndVisible]; [nav release]; [year release];

return YES; }


 * http://www.iphonedevcentral.com/create-uitabbarcontroller/
 * UITabbarController Transition between views
 * http://haveacafe.wordpress.com/2009/04/06/animated-transition-between-tabbars-view-on-iphone/
 * http://stackoverflow.com/questions/1285368/transition-from-a-uitableviewcontroller-to-a-uitabbarcontroller
 * http://www.waterworld.com.hk/en/node/91