Reputation: 109
ViewController.swift
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var nowOnline: UILabel!
override func viewDidLoad() {
setText("NEW");
}
func setText(newText: String){
nowOnline.text = "\(newText)"
}
}
This code work fine, but if i want change it from another class not work
class SelectBox {
func select(){
let x = ViewController()
x.setText("From Class") // this line i get error
}
}
Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value
EDIT:
setText function :
internal func setText(){
var priceLast = Int(self.selectPackPrice - AppDelegate.userCharge - self.selectExPrice)
if(priceLast <= 0){
priceLast = 0;
txtGoPayment.text = "Call"
} else {
txtGoPayment.text = "Payment"
}
txtPackPrice.text = "Price : \(self.selectPackPrice) $"
yourCharge.text = "Charge : \(AppDelegate.userCharge) $"
priceFinish.text = "Finish Price : \(priceLast) $"
}
Upvotes: 0
Views: 242