添加 performSegueWithIdentifier() 调用后，将创建两个不同的转场

Question

我在单击按钮时使用 performSegueWithIdentifier()，以便我可以将正确的信息传递给我的下一个 ViewController。当我单击该按钮时，它会移动到一个新视图空白视图，然后使用 performSegueWithIdentifier() 调用提供的信息打开我想要的视图。这需要用户点击后退按钮 2 次才能返回主视图。

有没有办法确保在我使用 performSegueWithIdentifier() 后不会自动调用 prepareForSegue()？我有一种感觉，这是因为我用 performSegueWithIdentifier() 调用调用了 prepareForSegue()，然后自动调用了第二次。

这是我使用 performSegueWithIdentifier() 方法的代码：

if (page == 1)
    [self performSegueWithIdentifier:@"time1" sender:self];
else if (page == 2
    [self performSegueWithIdentifier:@"time2" sender:self];
else if (page == 3)
    [self performSegueWithIdentifier:@"time3" sender:self];
else if (page == 4)
    [self performSegueWithIdentifier:@"time4" sender:self];
else if (page == 5)
    [self performSegueWithIdentifier:@"time5" sender:self];
else if (page == 6)
    [self performSegueWithIdentifier:@"time6" sender:self];
else if (page == 7)
    [self performSegueWithIdentifier:@"time7" sender:self];
else if (page == 8)
    [self performSegueWithIdentifier:@"time8" sender:self];
else if (page == 9)
    [self performSegueWithIdentifier:@"time9" sender:self];
else if (page == 10)
    [self performSegueWithIdentifier:@"time10" sender:self];
else if (page == 11)
    [self performSegueWithIdentifier:@"time11" sender:self];
else if (page == 12)
    [self performSegueWithIdentifier:@"time12" sender:self];
else if (page == 13)
    [self performSegueWithIdentifier:@"time13" sender:self];

这是我的 prepareForSegue() 方法：

- (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    if ([segue.identifier isEqualToString:@"time1"] ||
        [segue.identifier isEqualToString:@"time2"] ||
        [segue.identifier isEqualToString:@"time3"] ||
        [segue.identifier isEqualToString:@"time4"] ||
        [segue.identifier isEqualToString:@"time5"] ||
        [segue.identifier isEqualToString:@"time6"] ||
        [segue.identifier isEqualToString:@"time7"] ||
        [segue.identifier isEqualToString:@"time8"] ||
        [segue.identifier isEqualToString:@"time9"] ||
        [segue.identifier isEqualToString:@"time10"] ||
        [segue.identifier isEqualToString:@"time11"] ||
        [segue.identifier isEqualToString:@"time12"] ||
        [segue.identifier isEqualToString:@"time13"])
    {
        InfoViewController *ivc = [segue destinationViewController];
        if (_stringText != nil)
            ivc.viewText = _stringText;
    }//end if
}//end prepareForSegue

Answer 1

您正在进行什么操作？你是 performSegueWithIdentifier 方法不应该调用自己，这绝对是你得到两个后退按钮的原因。您是否也将其连接到故事板中？如果您在故事板中设置了转场，您甚至可能根本不需要 performSegueWithIdentifier 调用，然后您只需为每个转场准备好转场。

添加 performSegueWithIdentifier() 调用后，将创建两个不同的转场

After adding performSegueWithIdentifier() call, two different segues are created

xcode

objective-c

ios

segue