Question

我正在创建一个可以选择主题的应用程序。根据所选主题，我还想更改启动画面。如果我不使用“Default.png”并使用图像视图或类似图像来显示启动画面图像，我最终会在加载过程中显示黑色视图。

如何根据所选主题显示动态闪屏。有可能吗？

Answer 1

检查以下SO帖子

Dynamic (Default.png) splashscreen in 3.0 [iPhone SDK]

这是博客文章

Dynamic splash screen for iPhone or iPad application

Dynamic Splash

Answer 2

此代码可帮助您通过编码添加启动画面

in .h class

UIImageView *myImgView;


//---------methods to show and hide splash----------
-(void)ShowSplash;
-(void)hideSplash;

<。>在.m类

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Override point for customization after application launch.
    [self ShowSplash];
    self.viewController = [[[ViewController alloc] initWithNibName:@"ViewController" bundle:nil] autorelease];
    [self.window makeKeyAndVisible];
    return YES;
}

-(void)ShowSplash
{
     myImgView=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];
     myImgView.backgroundColor=[UIColor colorWithRed:0 green:.3 blue:0.5 alpha:1];
     myImgView.image=[UIImage imageNamed:@"splashscreen.png"];
     [self.window addSubview:myImgView];
     [self performSelector:@selector(hideSplash) withObject:nil afterDelay:1];
}

-(void)hideSplash
{   
    [UIView beginAnimations:@"flipping view" context:nil];
    [UIView setAnimationDuration:1.5];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseIn];
    [UIView setAnimationTransition:UIViewAnimationTransitionCurlUp   forView:myImgView.superview cache:YES];
    [myImgView removeFromSuperview];
    [UIView commitAnimations];
    [myImgView release];
    myImgView=nil;
    self.window.rootViewController = self.viewController;
}

iPhone - 显示动态闪屏

2 个答案: