隐藏导航栏

隐藏导航栏

  -(void)viewWillAppear:(BOOL)animated {
        
        [super viewWillAppear:animated];
        [self.navigationController setNavigationBarHidden:YES];
        [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
   }

显示导航栏

  -(void)viewWillDisappear:(BOOL)animated {

   [super viewWillDisappear:animated];
    [self.navigationController setNavigationBarHidden:NO];
    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault];

  }