我已经完成了单击识别器,但无法弄清楚如何将该单击识别器改为双击.我可以使用一些指导.
码：
import Foundation
import UIKit
class MainBoardController: UIViewController{
let tap = UITapGestureRecognizer()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view,typically from a nib.
var swipe: UISwipeGestureRecognizer = UISwipeGestureRecognizer(target: self,action: "GotoProfile")
swipe.direction = UISwipeGestureRecognizerDirection.Right
self.view.addGestureRecognizer(swipe)
tap.addTarget(self,action: "GotoCamera")
view.userInteractionEnabled = true
view.addGestureRecognizer(tap)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func GotoProfile(){
self.performSegueWithIdentifier("Profilesegue",sender: nil)
}
func GotoCamera(){
self.performSegueWithIdentifier("Camerasegue",sender: nil)
}
}
我用扩展解决了这个问题：
原文链接：/swift/319336.htmloverride func viewDidLoad() {
super.viewDidLoad()
let tapGR = UITapGestureRecognizer(target: self,action: #selector(PostlistViewController.handleTap(_:)))
tapGR.delegate = self
tapGR.numberOfTapsrequired = 2
view.addGestureRecognizer(tapGR)
}
extension MainBoardController: UIGestureRecognizerDelegate {
func handleTap(_ gesture: UITapGestureRecognizer){
print("doubletapped")
}
}
