为了创建xib文件,我添加了一个新的UIViewController的cocoa touch文件子类,并检查了"还创建了XIB文件"。
我的xib文件中只有一个标签。
在我的视图控制器中:
import UIKit
class TestControllerViewController: UIViewController {
@IBOutlet weak var label: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
除了我的IBoutlet之外别无其他(我至少检查了连接Inspector 10次)。
我的自定义课程:
import Foundation
import UIKit
class Card: UIView {
internal var number:Int?
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
override init(frame: CGRect) {
super.init(frame: frame)
}
convenience init()
{
self.init()
}
}
extension UIView {
class func loadFromNibNamed(nibNamed: String, bundle : NSBundle? = nil) -> UIView? {
return UINib(
nibName: nibNamed,
bundle: bundle
).instantiateWithOwner(nil, options: nil)[0] as? UIView
}
}
我在初始viewController中实例化这个xib文件:
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
var test:Card = Card.loadFromNibNamed("TestControllerViewController")! as! Card
test.number = 18
//self.view.addSubview(test)
}
我仍然有这个错误:
2015-07-27 17:48:52.919 TestXib[6865:578635] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<NSObject 0x7fcec14b1970> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key label.'
我不知道为什么,我试图清理/重建,删除DerivedData,再次创建xib文件等。
你能帮帮我吗?感谢&#39;第 本