隐藏导航栏或返回按钮

1 - (void)viewWillAppear:(BOOL)animated2 {3 [super viewWillAppear:animated];4 [self.navigationController setNavigationBarHidden:YES animated:YES]; // 隐藏导航栏

5 [self.navigationItemsetHidesBackButton:YES]; // 隐藏返回按钮

5 }

1 左右键则可以用 2 self.navigationItem.leftBarButtonItem.hidden = YES;