【iOS开发系列】隐藏状态栏

/* iOS7隐藏状态栏 */
if ([self respondsToSelector:@selector(setNeedsStatusBarAppearanceUpdate)])
{
[self prefersStatusBarHidden];
[self performSelector:@selector(setNeedsStatusBarAppearanceUpdate)];
}

#pragma mark - 隐藏状态栏
- (BOOL)prefersStatusBarHidden
{
return YES;
}