完成處於意外狀態的導航轉換。導航欄子視圖樹可能會損壞

我有兩個不同的推送在視圖控制器如下進行：完成處於意外狀態的導航轉換。導航欄子視圖樹可能會損壞

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ 

    indexPathRow = indexPath.row; 

    NSLog(@"indexPathRow.%d", indexPathRow); 

    safetyInventoryList.recordIdToEdit = [DeviceIdArray objectAtIndex:indexPathRow] intValue]; 

    NSLog(@"Item selected..%d", inventoryList.recordIdToEdit); 

    [self performSegueWithIdentifier:@"DetailsViewController" sender:nil]; 

} 



-(IBAction)ViewScoreBtn:(id)sender { 

    [self performSegueWithIdentifier:@"ScoreViewController" sender:nil]; 

}

我收到以下錯誤，黑屏，當我進入「viewscore」按鈕後，單擊後退按鈕 - > VC 。

nested push animation can result in corrupted navigation bar 
Finishing up a navigation transition in an unexpected state. Navigation Bar subview tree might get corrupted. 
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Can't add self as subview'

更新後的代碼：在賽格瑞我有以下（在我提出VC）:(M）

if([segue.identifier isEqualToString:@"ScoreViewController"]){ 
     ScoreViewController *destViewController = segue.destinationViewController; 
     destViewController.delegate = self; 
    }

和

- (void)dismissScoreViewController:MVVMScoreViewController{ 
    [self dismissViewControllerAnimated:YES completion: nil]; 
}

在我提出的VC

準備（.H &.m）：

@protocol dismissScoreDelegate <NSObject> 

- (void)dismissScoreViewController:SafetyDeviceViewController; 

@end 
@property (nonatomic, assign) id<dismissScoreDelegate> delegate; 

-(void) viewWillDisappear:(BOOL)animated { 
    if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) { 
     // Navigation button was pressed. Do some stuff 
     [self.delegate dismissScoreViewController]; 
    } 
    [super viewWillDisappear:animated]; 
}

那麼，哪裏出了問題？

來源

2014-11-23 Smitha

可能重複[駁回呈現的視圖控制器（http://stackoverflow.com/questions/14636891/dismissing-a-presented-view-controller ） – Spectravideo328 2014-11-23 06:21:57

對不起，我是iOS新手，並沒有完全掌握它。 – Smitha 2014-11-23 06:31:25

我建議您閱讀View控制器上的Apple文檔：https：//developer.apple.com/library/ios/documentation/WindowsViews/Conceptual/ViewControllerCatalog – Spectravideo328 2014-11-23 06:45:45

1.comment的執行SEGUE導致此錯誤

2.run項目

3.tap從那裏被意圖執行導航

4.檢查按鈕/動作用於重複或多次繼續執行。

我得到這個由於單個按鈕動作的多重segue活動。

來源

2015-01-15 10:04:11

使用開卷賽格瑞，而不是流行，它會工作的優良

來源

2017-06-16 08:43:16

完成處於意外狀態的導航轉換。導航欄子視圖樹可能會損壞

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