Swift - 无法出现类型的视图：带标识符的UICollectionElementKindCell [英] Swift - could not dequeue a view of kind: UICollectionElementKindCell with identifier

问题描述

我在尝试加载UICollectionView时收到此错误消息。

I got this error message when trying to load UICollectionView.

2015-07-23 16：16：09.754 XXXXX [24780： 465607] *由于
未捕获异常'NSInternalInconsistencyException'而终止应用程序，原因：'$
不会出现类型的视图：UICollectionElementKindCell带有
标识符CollectionViewCell - 必须注册一个笔尖或一个
标识符的类或连接故事板中的原型单元'
* 第一次抛出调用堆栈：

2015-07-23 16:16:09.754 XXXXX[24780:465607] * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'could not dequeue a view of kind: UICollectionElementKindCell with identifier CollectionViewCell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard' * First throw call stack:

我的代码

@IBOutlet var collectionView: UICollectionView!

func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {

        let cell = collectionView.dequeueReusableCellWithReuseIdentifier("CollectionViewCell", forIndexPath: indexPath) as! CollectionViewCell

        cell.backgroundColor = UIColor.blackColor()
        cell.textLabel?.text = "\(indexPath.section):\(indexPath.row)"
        cell.imageView?.image = UIImage(named: "category")

        return cell

    }

我已经在故事板检查器中声明了 CollectionViewCell ，但仍然出现错误消息。

I already declared CollectionViewCell in storyboard inspector but the error message still occur.

请咨询。谢谢。

推荐答案

看了你的例外之后：

2015-07-23 16:16:09.754 XXXXX [24780：465607] *由于
未捕获的异常'NSInternalInconsistencyException'而终止应用程序，原因：'$
不会出列视图类型：UICollectionElementKindCell与
标识符CollectionViewCell - 必须为
标识符注册一个nib或类或在故事板中连接原型单元'*首先抛出
调用堆栈：

2015-07-23 16:16:09.754 XXXXX[24780:465607] * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'could not dequeue a view of kind: UICollectionElementKindCell with identifier CollectionViewCell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard' * First throw call stack:

最后一部分是最重要的：

last part is most important:

必须注册一个nib或
标识符的类或连接故事板中的原型单元格

must register a nib or a class for the identifier or connect a prototype cell in a storyboard

这意味着您的集合视图不会已注册您的自定义单元格。要在 viewDidLoad 中添加以下内容：

Which means that your collection view doesn't have registered your custom cell. To resolve this add following in your viewDidLoad:

var nib = UINib(nibName: "UICollectionElementKindCell", bundle:nil)
self.collectionView.registerNib(nib, forCellReuseIdentifier: "CollectionViewCell")

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