Touch Tap
func handleSingleTap(sender:UITapGestureRecognizer){
print("tapped")
}
func addTapGesture()
{
let singleTap = UITapGestureRecognizer(target:self, action:#selector(handleSingleTap))
singleTap.numberOfTouchesRequired = 1
singleTap.addTarget(self, action:#selector(handleSingleTap))
view.userInteractionEnabled = true
view.addGestureRecognizer(singleTap)
}or a touch view
enum Tap {
case Single
case Draw
case Long
}
protocol HJHTouchViewDelegate: class{
func removeSelectedFields()
func checkThisLoc(pnt:CGPoint)
func checkThisLocForMove(pnt:CGPoint)
func touchEnded()
func longpressAt(pnt:CGPoint)
func longPressEnd()
}
class TouchView: UIView {
weak var delegate: HJHTouchViewDelegate?
var tC = 0
var touchCells = [UIButton]()
var startTime = NSDate()
var longPresseTime:Double = 0.5
var longPressTimer = NSTimer()
var isInLongPress = false
var isMoving = false
override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
let touch = touches.first!
tC = 0
longPressTimer = NSTimer()
let pnt:CGPoint = touch.locationInView(self)
delegate?.removeSelectedFields()
delegate?.checkThisLoc(pnt)
isInLongPress = false
isMoving = false
startTime = NSDate()
longPressTimer =
NSTimer.scheduledTimerWithTimeInterval(longPresseTime, target: self, selector: #selector(TouchView.updateTime(_:)), userInfo: [pnt.x, pnt.y], repeats: false
)
}
override func touchesMoved(touches: Set<UITouch>, withEvent event: UIEvent?) {
isMoving = true
if isInLongPress
{
isInLongPress = false
delegate?.longPressEnd()
}
let touch = touches.first! //as! UITouch
tC += 1
let pnt:CGPoint = touch.locationInView(self)
delegate?.checkThisLocForMove(pnt)
}
override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
longPressTimer.invalidate()
isInLongPress = false
delegate?.touchEnded()
}
func updateTime(timer:NSTimer)
{
if isInLongPress == true || isMoving == true
{
return
}
if timer.userInfo != nil
{
if let info: AnyObject = timer.userInfo
{
if isInLongPress == false
{
isInLongPress = true
var arr:[CGFloat] = info as! [CGFloat]
delegate?.longpressAt( CGPoint(x: arr[0],y: arr[1]))
}
}
}
}
}