Reputation: 9918
I made a stopwatch in swift. It has three buttons- play, stop, reset. it has a display in the middle where I display the seconds passed.
My code runs fine. But the watch runs very fast after the stop or reset.
I am not able to figure out what is the fuss.
please help!
var time = 0
var timer = NSTimer()
var pause = Bool(false)
@IBOutlet var result: UILabel!
func displayResult() {
if pause != true
{
time++
result.text = String(time)
}
}
@IBAction func reset(sender: AnyObject) {
time = 0
result.text = String(time)
}
@IBAction func pause(sender: AnyObject) {
pause = true
}
@IBAction func play(sender: AnyObject) {
pause = false
timer = NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: Selector("displayResult") , userInfo: nil, repeats: true)
}
Upvotes: 1
Views: 120
Reputation: 1683
Your pause
action should be:
@IBAction func pause(sender: AnyObject) {
timer.invalidate()
pause = true
}
UPD:
var time = 0
var timer = NSTimer()
var pause = true // 1
func displayResult() {
if pause != true
{
time++
label.text = String(time)
}
}
@IBAction func reset(sender: AnyObject) {
time = 0
label.text = String(time)
timer.invalidate() // 2
pause = true // 3
}
@IBAction func pause(sender: AnyObject) {
timer.invalidate() // 4
pause = true
}
@IBAction func play(sender: AnyObject) {
// 5
if pause == true {
timer = NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: Selector("displayResult") , userInfo: nil, repeats: true)
pause = false
}
}
Upvotes: 1