在包含navigationBar以及tabBar的项目中,全屏显示另外一个view(此处为UIScrollView)
[[UIApplicationsharedApplication]
self.navigationController.navigationBar.translucent =YES;
self.wantsFullScreenLayout = YES;
[self.navigationController setNavigationBarHidden:YESanimated:NO];
[self.tabBarController.tabBar setHidden:YES];