UICollectionView不会加载

Question

我将我的Xcode更新为9并将iOS 11用于Base SDK。不知何故，当我这样做时，有些事情发生了变化。从那时起，我的应用程序中的收藏视图不显示。 NSLog从未在控制台中显示节中的项数，NSLog在放入NSLog for cellForItem时从不会在控制台中触发任何内容。在XIB中，所有东西都可以正确地连接起来，并且这是针对AppStore中已经存在的应用程序，我没有在代码中进行任何更改，除了下载新的Xcode。世界正在发生什么？这里是它的代码：

- (void)viewWillAppear:(BOOL)animated 
    { 
     [super viewWillAppear:animated]; 

     NSIndexPath *selectedIndexPath = [self.tableView indexPathForSelectedRow]; 
     [self.tableView deselectRowAtIndexPath:selectedIndexPath animated:YES]; 

    } 

    - (void)viewDidLoad 
{ 

    [super viewDidLoad]; 

    arryData = [[NSArray alloc] initWithObjects:@"AIMCON", @"Devotional Songs", @"Saved Devotionals", @"AIM Series 2017", @"Resources", @"Podcasts", @"Website", @"Links", nil]; 
    CALayer * l = [viewofimage layer]; 
    [l setMasksToBounds:YES]; 
    [l setCornerRadius:11]; 
    [l setBorderWidth:2.0]; 
    [l setBorderColor:[[UIColor blackColor] CGColor]]; 
    tableView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); 


     [self.collectionView registerClass:[CVCell class] forCellWithReuseIdentifier:@"cvCell"]; 

     self.collectionView.backgroundColor = [UIColor whiteColor]; 


    self.collectionView.delegate = self; 

    // Do any additional setup after loading the view. 
} 





    -(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView { 
     return 1; 
     NSLog(@"1"); 
    } 
    -(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section { 
     return [arryData count]; 
     NSLog(@"2"); 
    } 

    -(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath { 
     NSLog(@"Selected"); 
     if (indexPath.row == 1) { 
      DevoSongs *dvController = [[DevoSongs alloc] initWithNibName:@"DevoSongs" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController animated:YES]; 
      [dvController release]; 
     } 
     if (indexPath.row == 2) { 
      ListOfDevos *dvController7 = [[ListOfDevos alloc] initWithNibName:@"ListOfDevos" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController7 animated:YES]; 
      [dvController7 release]; 

     } 
     if (indexPath.row == 4) { 
      AIMProject *dvController7 = [[AIMProject alloc] initWithNibName:@"AIMProject" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController7 animated:YES]; 
      [dvController7 release]; 

     } 
     if (indexPath.row == 5) { 
      Podcasts *dvController2 = [[Podcasts alloc] initWithNibName:@"Podcasts" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController2 animated:YES]; 
      [dvController2 release]; 

     } 
     if (indexPath.row == 6) { 
      FamilyMinistry *dvController5 = [[FamilyMinistry alloc] initWithNibName:@"FamilyMinistry" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController5 animated:YES]; 
      [dvController5 release]; 

     } 
     if (indexPath.row == 7) { 
      LinksViewController *dvController6 = [[LinksViewController alloc] initWithNibName:@"LinksViewController" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController6 animated:YES]; 
      [dvController6 release]; 
     } 

     if (indexPath.row == 0) { 
      NSLog(@"TABLE"); 
      SECTable *dvController7 = [[SECTable alloc] initWithNibName:@"SECTable" bundle:[NSBundle mainBundle]]; 
      [self.navigationController pushViewController:dvController7 animated:YES]; 
      [dvController7 release]; 
     } 
     if (indexPath.row == 3) { 
      NSLog(@"AIM Series"); 
      AIMSeries *dvController9 = [[AIMSeries alloc] initWithNibName:@"AIMSeries" bundle:[NSBundle mainBundle]]; 

      [self.navigationController pushViewController:dvController9 animated:YES]; 
      [dvController9 release]; 
     } 

    } 
    -(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { 



     static NSString *cellIdentifier = @"cvCell"; 

     CVCell *cell = (CVCell *)[collectionView dequeueReusableCellWithReuseIdentifier:cellIdentifier forIndexPath:indexPath]; 


     NSString *thearticleImage = [[arryData objectAtIndex:indexPath.row] stringByAppendingString:@".png"]; 
     [cell.theimage setImage:[UIImage imageNamed:thearticleImage]]; 
     //titleLabel2.text = entry.articleTitle; 

     CALayer * l = [cell.theimage layer]; 
     [l setMasksToBounds:YES]; 
     [l setCornerRadius:11]; 
     [l setBorderWidth:2.0]; 
     [cell.labels setText:[arryData objectAtIndex:indexPath.row]]; 

     NSLog(@"%@", cell.labels.text); 




     return cell; 
    } 

    @end 

下面是从它工作到现在，我所做的更新Xcode的区别。 前： 后：

Answer 1

集收藏视图的isPrefetchingEnabled属性设置为false。