谷歌iPhone应用状态栏动画他们是怎么做到的？
我正在玩 iPhone 版 Google 应用程序，当我查看网站时，页面标题出现在经典状态栏上，并带有漂亮的淡入动画，4-5 秒后标题视图消失，并带有漂亮的淡出动画。
他们是怎么做到的？他们是否使用 [[UIApplication sharedApplication] setStatusBarHidden:YESanimated:YES] 隐藏状态栏，然后以某种方式在空白处添加动画？根据我的经验，如果不告诉 viewController“想要全屏布局”，就无法填充该空间。
使用“想要全屏布局”的另一个想法是使用 [[UIApplicationsharedApplication]setStatusBarHidden:YESanimated:NO] 隐藏状态栏，并将 UIView 作为子视图添加到控制器的视图中，并对其进行动画处理（淡入/淡出在定期间隔）。
有关如何实现此目标的任何指示？
替代文本 http://img192.imageshack.us/img192/2158/screenshot2010031110355.png< /a> 替代文本 http://img502.imageshack.us/img502/8892/screenshot2010031110360.png< /a>
I was playing with the Google App for iPhone and when i viewed a website the title of the page appeared over the classic status bar with a nice fade-in animation, after 4-5 seconds the title view disappeared with a nice fade-out animation.
How did they do that? did they hide the status bar with [[UIApplication sharedApplication] setStatusBarHidden:YES animated:YES] and then added somehow the animation in the empty space? from my experience you can't fill that space without telling a viewController to "want fullscreen layout".
Another idea using "wants fullscreen layout" is to hide the status bar with [[UIApplication sharedApplication] setStatusBarHidden:YES animated:NO] and add an UIView as a subview to the controller's view and animate that(fade-in/fade-out at regular intervals).
Any pointers on how can i achieve this?
alt text http://img192.imageshack.us/img192/2158/screenshot2010031110355.png
alt text http://img502.imageshack.us/img502/8892/screenshot2010031110360.png
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您必须通过调用隐藏 iPhone 的状态栏
并在那里添加您的视图！
You have to hide the iPhone's status bar by calling
and add your view there!