通过代码加载ipad splitview

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

   MyFirstViewController* firstVC = [[[MyFirstViewController alloc]

                     initWithNibName:@"FirstNib" bundle:nil] autorelease];

   MySecondViewController* secondVC = [[[MySecondViewController alloc]

                     initWithNibName:@"SecondNib" bundle:nil] autorelease];

   UISplitViewController* splitVC = [[UISplitViewController alloc] init];

   splitVC.viewControllers = [NSArray arrayWithObjects:firstVC, secondVC, nil];

   [window addSubview:splitVC.view];

   [window makeKeyAndVisible];

   return YES;

}