Question

我有一个基于Tab Bar和导航栏的应用程序。在导航栏中，我有一个按钮，将我带到另一个页面，我想隐藏标签栏。当我试图通过按钮（不是后退栏按钮，常规按钮）回到主视图时，我无法将Tab栏带回来。我确实尝试过：xxxxx.hidesBottomBarWhenPushed =NO;

以下是我的一些代码：

在主视图中：

在viewDidLoad:

 UIBarButtonItem *flipButton = [[UIBarButtonItem alloc]
                               initWithTitle:buttonTitle
                               style:UIBarButtonItemStylePlain
                               target:self
                               action:@selector(goToCreateEvent)]; 




-(void)goToCreateEvent{
     UIViewController *targetViewController;
     NSString *viewControllerName = @"CreateAnEventViewController";
     targetViewController = [[NSClassFromString(viewControllerName) alloc]   initWithNibName:viewControllerName bundle:nil];
     targetViewController.hidesBottomBarWhenPushed =YES; //Hides the tab bar
     [self.navigationController pushViewController:targetViewController animated:YES];

 }

在另一个视图中：

-(IBAction)save:(id)sender
 {
    [summary resignFirstResponder];
    [agenda resignFirstResponder];

    FeedViewController *aboutViewCont = [[FeedViewController alloc] init];

    aboutViewCont.hidesBottomBarWhenPushed =NO; //trying to bring back the tab bar

    [[self navigationController] pushViewController:aboutViewCont animated:NO];

  }

谢谢！贝纳

Answer 1

这只是解决它： [[self navigationController] popToRootViewControllerAnimated：YES];

Answer 2

viewWillAppear: FeedViewController方法hidesBottomBarWhenPushed将NO设置为-(void)viewWillAppear:(BOOL)animated{ self.hidesBottomBarWhenPushed = NO; }，如下所述..

-(void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];

    CGRect r = self.tabBarController.view.frame;
    r.size.height +=self.tabBarController.tabbar.frame.size.height;
    self.tabBarController.view.frame = r;
}

-(void)viewWillDisappear:(BOOL)animated{
    [super viewWillDisappear:animated];
    self.tabBarController.view.frame = CGRectMake(0, 0, 320, 480); //for iPhone portrait
}

更新：试试这个......

FeedViewController

在targetViewController.hidesBottomBarWhenPushed =YES;//comment this..课程中使用上述方法，并且只需在代码中对此下划线进行评论..

{{1}}

使用导航栏后返回标签栏

2 个答案: