Я изучал шагомеры и экспериментировал с простым приложением, которое считает ваши шаги. Это отлично работает на iPhone, однако при запуске на Ipad не удается подсчитать шаги.
Я импортировал CoreMotion и добавил описание использования.
Есть ли причина, почему приложение не работает на iPad?
@IBAction func startStopButton(_ sender: UIButton) {
if sender.titleLabel?.text == "Start"{
//Start the pedometer
stepsLabel.text = "Steps: 0"
distanceLabel.text = "Distance: N/A"
pedometer = CMPedometer()
startTimer()
pedometer.startUpdates(from: Date(), withHandler: { (pedometerData, error) in
if let pedData = pedometerData{
self.numberOfSteps = Int(truncating: pedData.numberOfSteps)
//self.stepsLabel.text = "Steps:\(pedData.numberOfSteps)"
if let distance = pedData.distance{
self.distance = Double(truncating: distance)
}
if let averageActivePace = pedData.averageActivePace {
self.averagePace = Double(truncating: averageActivePace)
}
if let currentPace = pedData.currentPace {
self.pace = Double(truncating: currentPace)
}
} else {
self.numberOfSteps = nil
}
})
//Toggle the UI to on state
statusTitle.text = "Pedometer On"
sender.setTitle("Stop", for: .normal)
sender.backgroundColor = stopColor
} else {
//Stop the pedometer
pedometer.stopUpdates()
stopTimer()
//Toggle the UI to off state
statusTitle.text = "Pedometer Off: "
sender.backgroundColor = startColor
sender.setTitle("Start", for: .normal)
}
}
//MARK: - timer functions
func startTimer(){
if timer.isValid { timer.invalidate() }
timer = Timer.scheduledTimer(timeInterval: timerInterval,target: self,selector: #selector(timerAction(timer:)) ,userInfo: nil,repeats: true)
}
func stopTimer(){
timer.invalidate()
displayPedometerData()
if let distance = self.distance {
let milesString = (String(format: "%.2f", self.miles(meters: self.distance)))
let alert = UIAlertController(title: "Save your distance of \(milesString) Miles", message: "You can add the counted distance to all runners now or add them individually by swiping them right on the home screen and adding lap. This will add the distance to the runner you select.", preferredStyle: UIAlertController.Style.alert)
// add an action (button)
alert.addAction(UIAlertAction(title: "Add to all", style: UIAlertAction.Style.default, handler: { action in
for index in self.distancesArray.indices {
self.distancePerLapMiles = self.miles(meters: self.distance)
self.distancesArray[index] += self.distancePerLapMiles
print("index is \(index)")
}
self.tableView.reloadData()
self.saveData()
self.allViewsOff()
}))
alert.addAction(UIAlertAction(title: "Add Individually", style: UIAlertAction.Style.default, handler: { action in
self.distancePerLapMiles = self.miles(meters: self.distance)
self.allViewsOff()
}))
alert.addAction(UIAlertAction(title: "Cancel", style: UIAlertAction.Style.cancel, handler: nil))
self.present(alert, animated: true, completion: nil)
}
}
@objc func timerAction(timer:Timer){
displayPedometerData()
}
// display the updated data
func displayPedometerData(){
timeElapsed += 1.0
statusTitle.text = "Steps are being Counted"
//Number of steps
if let numberOfSteps = self.numberOfSteps{
stepsLabel.text = String(format:"Steps: %i",numberOfSteps)
}
//distance
if let distance = self.distance{
distanceLabel.text = String(format:"Distance: \n \n %02.02f meters,\n \n %02.02f miles",distance,miles(meters: distance))
} else {
distanceLabel.text = "Distance: N/A"
}
}
//MARK: - Display and time format functions
// convert seconds to hh:mm:ss as a string
func timeIntervalFormat(interval:TimeInterval)-> String{
var seconds = Int(interval + 0.5) //round up seconds
let hours = seconds / 3600
let minutes = (seconds / 60) % 60
seconds = seconds % 60
return String(format:"%02i:%02i:%02i",hours,minutes,seconds)
}
// convert a pace in meters per second to a string with
// the metric m/s and the Imperial minutes per mile
func miles(meters:Double)-> Double{
let mile = 0.000621371192
return meters * mile
}