splash screen in iphone programming

//splash is my imageView

    splash=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];

    splash.image=[UIImage imageNamed:@”talent1.png”];

    

    activityindicator=[[UIActivityIndicatorView alloc]initWithFrame:CGRectMake(110, 220, 30, 30)];

    [activityindicator startAnimating];

    activityindicator.activityIndicatorViewStyle=UIActivityIndicatorViewStyleGray;

    activityindicator.color =[UIColor blueColor] ;

    

 

    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {

        self.viewController = [[[TalentViewController alloc] initWithNibName:@”TalentViewController_iPhone” bundle:nil] autorelease];

    } else {

        self.viewController = [[[TalentViewController alloc] initWithNibName:@”TalentViewController_iPad” bundle:nil] autorelease];

    }

        self.window.rootViewController = self.viewController;

    [self performSelector:@selector(splashmethod) withObject:splash afterDelay:3.0];

 

    [self.viewController.view addSubview:splash];

    [self.viewController.view addSubview:activityindicator];

 

    [self.window makeKeyAndVisible];

    return YES;

}

 

-(void)splashmethod

{

    

    [activityindicator removeFromSuperview];

    [splash removeFromSuperview];

    

}