let identifier = "collection"
var collectionView:UICollectionView!
override func viewDidLoad() {
super.viewDidLoad()
loadNav()
let layout = UICollectionViewFlowLayout()
layout.minimumLineSpacing = 8
layout.minimumInteritemSpacing = 8
layout.itemSize = CGSizeMake(ScreenWidth / 2 - 12, 150)
collectionView = UICollectionView(frame: CGRectMake(0, 64, ScreenWidth, ScreenHeight - 64), collectionViewLayout: layout)
collectionView.delegate = self
collectionView.dataSource = self
collectionView.registerNib(UINib(nibName: "StoreCollectionViewCell", bundle: nil), forCellWithReuseIdentifier: identifier)
collectionView.registerNib(UINib(nibName: "HeadCollectionVIew", bundle: nil), forSupplementaryViewOfKind: UICollectionElementKindSectionHeader, withReuseIdentifier: "head")
self.view.addSubview(collectionView)
}
func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return 10
}
func collectionView(collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, atIndexPath indexPath: NSIndexPath) -> UICollectionReusableView {
let head = collectionView.dequeueReusableSupplementaryViewOfKind(UICollectionElementKindSectionHeader, withReuseIdentifier: "head", forIndexPath: indexPath)
return head
}
func collectionView(collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
return CGSizeMake(ScreenWidth, 280)
}
func collectionView(collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAtIndex section: Int) -> UIEdgeInsets {
return UIEdgeInsetsMake(0, 8, 0, 8)
}
func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCellWithReuseIdentifier(identifier, forIndexPath: indexPath) as! StoreCollectionViewCell
return cell
}
import UIKit
class HeadCollectionVIew: UICollectionReusableView {
@IBOutlet weak var test: UIView!
override func awakeFromNib() {
super.awakeFromNib()
// Initialization code
}
}
这是我的所有代码。我试图在名为HeadCollectionView的xib中添加一个空视图。当我运行我的应用程序时，它会崩溃，但是当我删除空视图时，它会起作用。
我收到以下错误：
Terminating app due to uncaught exception 'NSUnknownKeyException',
reason: '[<NSObject 0x7fc98e089190> setValue:forUndefinedKey:]:
this class is not key value coding-compliant for the key test.'