问让VoiceOver说“滑动或向下选择自定义操作，然后双击以激活”

EN

class MyTextView {
   override func awakeFromNib() {
       super.awakeFromNib()
       let str = "xxxxxx Option 1 yyyy Option 2"
       let attrStr = NSMutableAttributedString(str)
       let rangeOption1 = (str as NSString).range(of: "Option 1")
       let rangeOption2 = (str as NSString).range(of: "Option 2")
       attrStr.addAttributes([.link: "option1", range: rangeOption1])
       attrStr.addAttributes([.link: "option2", range: rangeOption2])

       self.attributedText = attrStr
   }

   override var isAccessibilityElement: Bool {
       get { return true }
       set {}
   }

   override var accessibilityLabel: String? {
       get { return "Link Options" }
       set {}
   }

   override var accessibilityCustomActions: [UIAccessibilityCustomAction]? {
       get {
           return [
                UIAccessibilityCustomAction(name: "Choose Option One", target: self, selector: #selector(option1)),
                UIAccessibilityCustomAction(name: "Choose Option Two", target: self, selector: #selector(option2))]
       }
       set {}
   }

   @objc func option1() { print ("Option 1") }
   @objc func option2() { print ("Option 2") }
}