iOS隐藏各种bar

隐藏顶部状态栏

[[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationNone]; 隐藏Nav

self.navigationController.navigationBar.translucent =YES;

[self.navigationController setNavigationBarHidden:YES animated:NO];

隐藏TabBar

在初始时使用self.hidesBottomBarWhenPushed=YES;

    self = [super init];

    if (self) {

        self.hidesBottomBarWhenPushed=YES;

    }

    return self;