ios – UIViewControllerHierarchyInconsistency

概述我正在尝试构建我的应用程序,在某种程度上我推一个UIViewController,然后我得到这个错误.我不知道为什么 ‘UIViewControllerHierarchyInconsistency’, reason: ‘A view can only be associated with at most one view controller at a time! View > is associ 我正在尝试构建我的应用程序,在某种程度上我推一个UIVIEwController,然后我得到这个错误.我不知道为什么

‘UIVIEwControllerHIErarchyInconsistency’,reason: ‘A vIEw can only be
associated with at most one vIEw controller at a time! VIEw > is associated with . Clear this association before associating this vIEw with
.’

PageVIEwController *vIEwController;vIEwController = [[PageVIEwController alloc] initWithManagedobjectContext:managedobjectContext];dataSource = [[PagesDataSource alloc] initWithManagedobjectContext:managedobjectContext];PVPage *selectedPage = [[dataSource pages] objectAtIndex:itemIndex];[vIEwController setRepresentedPage:selectedPage];PageFlipperAppDelegate *appDelegate = (PageFlipperAppDelegate *)[[UIApplication sharedApplication] delegate];[(UINavigationController *)[[appDelegate window] rootVIEwController] setToolbarHIDden:YES animated:YES];[(UINavigationController *)[[appDelegate window] rootVIEwController] pushVIEwController:vIEwController animated:YES];

在我的pageVIEwController ……………….

- (ID)initWithManagedobjectContext:(NSManagedobjectContext *)initManagedobjectContext{    if ((self = [super initWithNibname:@"PageVIEw" bundle:nil]))    {        [self setManagedobjectContext:initManagedobjectContext];        dataSource = [[PagesDataSource alloc] initWithManagedobjectContext:[self managedobjectContext]];    }    return self;}

解决方法 当我想要一个设置滚动视图显示在一个popover时,我出现了同样的错误.

这是我的原始代码,有关我改变以解决它的意见：

SettingsVIEwController *settingsVIEwController;UIStoryboard *storyboard = [UIStoryboard storyboarDWithname:@"Storyboard" bundle:nil];    settingsVIEwController = [storyboard instantiateVIEwControllerWithIDentifIEr:@"Settings"];CGRect contentRect = CGRectMake(10,10,320,700);// This entire object got deleted in the fixed versionUIVIEwController *popoverContent = [[UIVIEwController alloc] init];popoverContent.vIEw = settingsVIEwController.vIEw;popoverContent.contentSizeforVIEwInPopover = contentRect.size;// Instead of popoverContent I just put the settingsVIEwController in directly.UIPopoverController *popoverController = [[UIPopoverController alloc] initWithContentVIEwController:popoverContent];[popoverController presentPopoverFromrect:[sender frame]                                   inVIEw:(UIbutton*)sender                 permittedArrowDirections:UIPopoverArrowDirectionleft                                 animated:YES];

行popoverContent.vIEw = settingsVIEwController.vIEw是导致崩溃的原因(没有它,我的popover当然是空的).从UIVIEwControllerHIErarchyInconsistency错误的角度来看,我不应该重新分配它,然后将其添加到另一个视图控制器.

在你的情况下,我猜想pushVIEwController或代码中的其他地方发生了类似的事情.可以这样吗？

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