iOS - status bar and navigation bar

Hide the status bar StatusBar

- (BOOL)prefersStatusBarHidden {
    
    
    //隐藏状态栏
    return YES;
}

Hide the navigation bar NavigationBar

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