我添加的UIView的一個子類:如何將故事板UIView設置爲視圖的子類?
class WhiteWithGreyTBBorderView: UIView {
override init (frame : CGRect) {
super.init(frame : frame)
addBehavior()
}
convenience init() {
self.init(frame:CGRectZero)
}
required init(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
func addBehavior(){
backgroundColor = UIColor.blackColor()
addTopBorderWithColor(UIColor.blackColor(), width: 5)
}
}
然後,我有一個ViewExtension:
extension UIView {
func addTopBorderWithColor(color: UIColor, width: CGFloat) {
let border = CALayer()
border.backgroundColor = color.CGColor
border.frame = CGRectMake(0, 0, self.frame.size.width, width)
self.layer.addSublayer(border)
}
func addRightBorderWithColor(color: UIColor, width: CGFloat) {
let border = CALayer()
border.backgroundColor = color.CGColor
border.frame = CGRectMake(self.frame.size.width - width, 0, width, self.frame.size.height)
self.layer.addSublayer(border)
}
func addBottomBorderWithColor(color: UIColor, width: CGFloat) {
let border = CALayer()
border.backgroundColor = color.CGColor
border.frame = CGRectMake(0, self.frame.size.height - width, self.frame.size.width, width)
self.layer.addSublayer(border)
}
func addLeftBorderWithColor(color: UIColor, width: CGFloat) {
let border = CALayer()
border.backgroundColor = color.CGColor
border.frame = CGRectMake(0, 0, width, self.frame.size.height)
self.layer.addSublayer(border)
}
}
我加一個UIView我的故事板和類設置爲WhiteWithGreyTBBorderView。它仍然是白不黑,在控制檯中我得到:
2015年9月3日14:28:38.802 NewsApp [6801:1954504]無法設置(BORDERCOLOR)用戶定義的視察物業(NewsApp.WhiteWithGreyTBBorderView ):[setValue:forUndefinedKey:]:該類不是關鍵字borderColor的編碼兼容密鑰值。 2015-09-03 14:28:38.803 NewsApp [6801:1954504]未能在(NewsApp.WhiteWithGreyTBBorderView)上設置(borderWidth)用戶定義的檢查屬性:[setValue:forUndefinedKey:]:此類不是關鍵值編碼兼容爲關鍵borderWidth。
任何想法什麼可能是錯的?