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 View 空白 View ,然后使用 performSegueWithIdentifier() 调用提供的信息打开我想要的 View 。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
最佳答案
您正在继续执行哪些操作?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 Storyboard中?如果您在 Storyboard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。
关于ios - 添加 performSegueWithIdentifier() 调用后,将创建两个不同的转场,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29656566/