UIView init
class AView:UIView
{
override init(frame: CGRect) {
super.init(frame: frame)
self.initialize()
}
convenience init() {
self.init(frame: CGRectZero)
self.initialize()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func initialize() {
doAFunc()
}
}