I have a custom keyboard extension in my app which is developed using swift. They keyboard works fine. I wanted to add the functionality of showing a pop-up with extra characters when long-press on a keyboard button like the default iOS keyboard. Something like this:
I searched a lot, but most of them are un-answered and the answered ones are in Obj-C. I don't know much about Obj-C and am fairly new to swift programming also.
I have already looked at this, this and this. But these are not of much help.
Any help would be really appreciated.
1. Add Button on your View
(This is just to show you)
let btn: UIButton=UIButton(frame: CGRect(x: 5, y: 70, width: 30, height: 30))
btn.setTitle("A", for: .normal)
btn.setTitleColor(UIColor.black, for: .normal);
self.view.addSubview(btn)
2. Add Long PressGesture on your button
let longGesture = UILongPressGestureRecognizer(target: self, action: #selector(longPress(sender:)))
longGesture.minimumPressDuration = 1.2
btn.addGestureRecognizer(longGesture)
3. Handle Long press Gesture ,
You can Add PopUpView and add Some button on it ,
⚠️ Note: You have Multiple buttons so you have to check From CGPoint on Which Button it was tapped on
func longPress( sender: Any) {
let longPressGesture = sender as! UILongPressGestureRecognizer
//Only run this code When State Begain
if longPressGesture.state != UIGestureRecognizerState.Began {
return
}
// if PopUpView is Already in added than remove and than add
if let checkView = self.view.viewWithTag(1001) as? UIView {
// remove popView
popUpView .removeFromSuperview()
}
let tapLocation = longPressGesture.location(in: self.view)
popUpView=UIView(frame: CGRect(x: tapLocation.x-10, y: tapLocation.y-65, width: 150, height: 60))
popUpView.backgroundColor=UIColor.orange
popUpView.layer.cornerRadius=5
popUpView.layer.borderWidth=2
popUpView.tag=1001
popUpView.layer.borderColor=UIColor.black.cgColor
let btn0: UIButton=UIButton(frame: CGRect(x: 5, y: 5, width: 30, height: 30))
btn0.setTitle("A1", for: .normal)
btn0.setTitleColor(UIColor.black, for: .normal);
btn0.layer.borderWidth=0.5
btn0.layer.borderColor=UIColor.lightGray.cgColor
popUpView.addSubview(btn0)
let btn1: UIButton=UIButton(frame: CGRect(x: 35, y: 5, width: 30, height: 30))
btn1.setTitle("A2", for: .normal)
btn1.setTitleColor(UIColor.black, for: .normal);
btn1.layer.borderWidth=0.5
btn1.layer.borderColor=UIColor.lightGray.cgColor
popUpView.addSubview(btn1)
let btn2: UIButton=UIButton(frame: CGRect(x: 70, y: 5, width: 30, height: 30))
btn2.setTitle("A2", for: .normal)
btn2.setTitleColor(UIColor.black, for: .normal);
btn2.layer.borderWidth=0.5
btn2.layer.borderColor=UIColor.lightGray.cgColor
popUpView.addSubview(btn2)
btn0.addTarget(self, action: #selector(self.buttonAction(sender:)),
for: UIControlEvents.touchUpInside)
btn1.addTarget(self, action: #selector(self.buttonAction(sender:)),
for: UIControlEvents.touchUpInside)
btn2.addTarget(self, action: #selector(self.buttonAction(sender:)),
for: UIControlEvents.touchUpInside)
self.view.addSubview(popUpView)
}
4. Handle The extra Button Press
(Do your Stuff here add remove popUpView from SuperView)
func buttonAction( sender: Any) {
// Do your Stuff Here
//Than remove popView
popUpView .removeFromSuperview()
}
Result ✅
✅ Note: You can Draw custom Shape of PopUpView Using
UIBezierPath
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