我的代码中有问题，我在一段时间内创建了启动画面。当它执行时，在视图顶部会出现一个导航栏。现在我想隐藏那个导航栏。我如何删除该启动画面？
- (void)loadView {
// Init the view
//CGRect appFrame = [[UIScreen mainScreen] applicationFrame];
CGRect appFrame = CGRectMake(0, 0, 320, 480);
UIView *view = [[UIView alloc] initWithFrame:appFrame];
view.autoresizingMask = UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexibleWidth;
self.view = view;
[view release];
splashImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"LS.jpg"]];
splashImageView.frame = CGRectMake(0, 44, 320, 460);
[self.view addSubview:splashImageView];
viewController = [[Menu alloc] init];
UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:viewController];
viewController.view.alpha = 0.0;
[self.view addSubview:nc.view];
timer = [NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(fadeScreen) userInfo:nil repeats:NO];}
-(void) onTimer{
NSLog(@"LOAD");
}
- (void)fadeScreen{
[UIView beginAnimations:nil context:nil]; // begins animation block
[UIView setAnimationDuration:0.75]; // sets animation duration
[UIView setAnimationDelegate:self]; // sets delegate for this block
[UIView setAnimationDidStopSelector:@selector(finishedFading)]; // calls the finishedFading method when the animation is done (or done fading out)
self.view.alpha = 0.0; // Fades the alpha channel of this view to "0.0" over the animationDuration of "0.75" seconds
[UIView commitAnimations]; // commits the animation block. This Block is done.
}
- (void) finishedFading{
[UIView beginAnimations:nil context:nil]; // begins animation block
[UIView setAnimationDuration:0.75]; // sets animation duration
self.view.alpha = 1.0; // fades the view to 1.0 alpha over 0.75 seconds
viewController.view.alpha = 1.0;
[UIView commitAnimations]; // commits the animation block. This Block is done.
[splashImageView removeFromSuperview];
}