Question

我需要使用performSegueWithIdentifier转到另一个viewcontroller，但我还需要删除我当前所在的viewcontroller。我怎么能这样做，我试过这个但它不起作用：

[self performSegueWithIdentifier:@"next" sender:self];
[self dismissViewControllerAnimated:NO completion:nil];

//tried the other way, but it doesn't work either
[self dismissViewControllerAnimated:NO completion:nil];
[self performSegueWithIdentifier:@"next" sender:self];

看起来没有简单的方法可以做到这一点？我有4个视图控制器，它们是这样连接的，我想从游戏切换到高分。

menu-->game----->gameover
menu-->highscore

Answer 1

这个怎么样？

UIViewController *parentController = self.presentingViewController;
[picker dismissViewControllerAnimated:YES completion:^(void){
    [parentController performSegueWithIdentifier:@"next" sender:self];
}];

Answer 2

我遇到了同样的问题，如果有人来这里寻找答案，这就是我要解决的问题。

//In viewController that is being dismissed
[self dismissViewControllerAnimated:NO completion:^{
     [[NSNotificationCenter defaultCenter] postNotificationName:@"callSegue" object:self];
}];


//In viewController being presented
//in viewDidLoad:
[[NSNotificationCenter defaultCenter] addObserver: self
                                             selector: @selector(gotoNewView)
                                                 name: @"callSegue"
                                               object: nil];

-(void)gotoNewView {
    [self performSegueWithIdentifier:@"segueToPerform" sender:self];
}

Answer 3

我遇到了同样的问题，直到我意识到我应该使用push segue。
新VC将立即解雇他们。

Answer 4

更好：

[self dismissViewControllerAnimated:NO completion:^(void)
{
 // Perform the segue here.
}];

Dismissviewcontroller并执行segue

4 个答案: