无法单击 UICollectionView 中的 UICollectionViewCell

Question

假设我有一个继承 UICollectionViewController 的视图控制器 OptionsToCreateViewController 并且我在另一个视图控制器中使用了该视图控制器，如下所示。我可以看到视图，但无法单击单元格，

self.optionsToCreateViewController = [[OptionsToCreateViewController alloc] init];
        self.optionsToCreateViewController.view.translatesAutoresizingMaskIntoConstraints = FALSE;
        [self.optionsToCreateViewController didMoveToParentViewController:self];
        [self addChildViewController:self.optionsToCreateViewController];
        [self.view addSubview:self.optionsToCreateViewController.view];
    
        OrganizerBottomBar *orgBB = [OrganizerBottomBar new];
        CGRect applicationFrame = [[UIScreen mainScreen] bounds];
        CGFloat viewWidth = applicationFrame.size.width / 2;
        if(![MyUIResources isPhone]){
            viewWidth = applicationFrame.size.width / 4;
        }
        [self.view addConstraints:@[
            [NSLayoutConstraint constraintWithItem:self.optionsToCreateViewController.view attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterY multiplier:1 constant:-(orgBB.frame.size.height + 75)],
            [NSLayoutConstraint constraintWithItem:self.optionsToCreateViewController.view attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1 constant:-viewWidth]
        ]];

这是视图的正确实现吗另一个视图控制器中的控制器

在集合视图单元格中：

[button addTarget:self action:@selector(buttonPressed:) forControlEvents: UIControlEventTouchUpInside];
    self.contentView.userInteractionEnabled = FALSE;
    self.userInteractionEnabled = TRUE;

我还在buttonPressed函数上放置了一个断点，它没有命中。我也用过

-(UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
    UIView *view = [self->button hitTest:[self->button convertPoint:point fromView:self] withEvent:event];
    if (view == nil) {
        view = [super hitTest:point withEvent:event];
    }
    return view;
}

-(BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
    if ([super pointInside:point withEvent:event]) {
        return YES;
    }
    return !self->button.hidden && [self->button pointInside:[self->button convertPoint:point fromView:self] withEvent:event];
}

但是没用。有人可以帮我吗，我被困在这里了

CGRect applicationFrame = [[UIScreen mainScreen] bounds];
    self.view = [UIView new];
    self.view.translatesAutoresizingMaskIntoConstraints = NO;
    self.view.backgroundColor = [UIColor colorWhite];

    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
    self.collection = [[UICollectionView alloc] initWithFrame:self.view.frame collectionViewLayout:layout];
    self.collection.translatesAutoresizingMaskIntoConstraints = NO;
    self.collection.backgroundColor = [UIColor colorWhite];
    self.collection.contentInset = UIEdgeInsetsMake(0, 7.0, 0, 16.0);

    [self.collection registerClass:[OptionsToCreateCollectionViewCell class] forCellWithReuseIdentifier: [OptionsToCreateCollectionViewCell cellIdentifier]];
    [self.collection setDataSource:self]; // UICollectionViewDataSource
    [self.collection setDelegate:self]; // UICollectionViewDelegate
    
    [self.view addSubview:self.collection];
    
    CGFloat viewWidth = applicationFrame.size.width;
    CGFloat frameWidth = viewWidth;
    if(![MyUIResources isPhone]){
        frameWidth = viewWidth/2;
    }

    [self.view addConstraints:
        @[
            [NSLayoutConstraint constraintWithItem:self.collection attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeLeft multiplier:1.0 constant:10],
            [NSLayoutConstraint constraintWithItem:self.collection attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeTop multiplier:1.0 constant:20],
            [NSLayoutConstraint constraintWithItem:self.collection attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeRight multiplier:1.0 constant:frameWidth],
            [NSLayoutConstraint constraintWithItem:self.collection attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeHeight multiplier:1.0 constant:114*2.5]
        ]
    ];

Answer 1

按钮的超级视图是什么？在 cell.contentView 上添加按钮，而不是单元格本身。

Answer 2

1.检查按钮框架（如果外部单元格不起作用，则与该按钮重叠的任何视图都不起作用）和用户交互是否启用

否则
2.检查单元格框架和高度（检查集合视图内是否存在）

否则
3.集合视图超级框架设置正确（集合视图框架需要在超级视图内部）
如果框架工作正常，则指定 ClipsToBounds = YES
self.yourview.clipsToBounds = YES;

注意：点击集合中的按钮 Action didselecteditem 。然后检查工作是否正常，因为很容易识别出仅基于该按钮或该类的问题。