Новое в Swift - медленно, но верно начинаю полностью понимать это.
Как мне go вызвать структурированный массив URL-адресов weeks.urls[0]
в @IBAction? Я приложил снимок экрана с ошибкой и свой код для WeekDetalViewController.
class WeekDetailViewController: UIViewController {
var week: WeekInfo!
@IBOutlet weak var lessonCompleteBtn: UIButton!
@IBOutlet weak var Button1: UIButton!
@IBOutlet weak var Button2: UIButton!
@IBOutlet weak var Button3: UIButton!
@IBOutlet weak var Button4: UIButton!
override func viewDidLoad() {
super.viewDidLoad()
lessonCompleteBtn.backgroundColor = UIColor.gray
lessonCompleteBtn.layer.cornerRadius = 20
}
@IBAction func lessonBtnTapped(_ sender: AnyObject) {
sender.setTitle("PSET Complete!", for: [])
if lessonCompleteBtn.backgroundColor == UIColor.gray{
lessonCompleteBtn.backgroundColor = UIColor(red: 17/255, green: 107/255, blue: 0/255, alpha: 1.0)
}
else if lessonCompleteBtn.backgroundColor == UIColor(red: 17/255, green: 107/255, blue: 0/255, alpha: 1.0){
sender.setTitle("Complete PSET!", for: [])
lessonCompleteBtn.backgroundColor = UIColor.gray
}
}
@IBAction func Button1(_ sender: Any) {
UIApplication.shared.open(URL(week.urls[0])!)
}
@IBAction func Button2(_ sender: Any) {
UIApplication.shared.open(URL(week.urls[1])!)
}
@IBAction func Button3(_ sender: Any) {
UIApplication.shared.open(URL(week.urls[2])!)
}
@IBAction func Button4(_ sender: Any) {
UIApplication.shared.open(URL(week.urls[3])!)
}
}```