import UIKit
class ViewController: UIViewController {
@IBOutlet weak var myDatePicker: UIDatePicker!
@IBOutlet weak var strWeekday: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
// set mode to date only
myDatePicker.datePickerMode = UIDatePickerMode.Date
// add target for the trigger update function to change the weekday when the user changes the date
myDatePicker.addTarget(self, action: Selector("triggerUpdate:"), forControlEvents: UIControlEvents.ValueChanged)
// weekday initial value
self.strWeekday.text = myDatePicker.date.weekdayName
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func triggerUpdate(sender: AnyObject) {
self.strWeekday.text = myDatePicker.date.weekdayName
}
}
extension NSDate {
// returns weekday name (Sunday-Saturday) as String
var weekdayName: String {
let formatter = NSDateFormatter(); formatter.dateFormat = "EEEE"
return formatter.stringFromDate(self)
}
}
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