how to use persian numbers in UItextField in swift 3?

Question

Hi I am using text field in my swift3 application - I want when user enter a number in the text field instead of english number textfield shows persian numbers - my textfield keyboard has set to just enter number so the user can't use text inside the text field with keyboard so here is my codes that doesn't work

  override func viewDidLoad() {
         super.viewDidLoad()
 let numberFormatter = NumberFormatter()
    numberFormatter.locale = Locale(identifier: "fa")
    numberFormatter.numberStyle = NumberFormatter.Style.decimal
    let cm:Int? = Int(englishNumber.text!)

    if cm != nil {
    numberFormatter.string(from: NSNumber(value: cm!))
    myTextField.text = numberFormatter.string(from: NSNumber(value: cm!))!
    }

**remember that I used textfield Delegate and I want every Number that user entered change to Persian number and the user thought that writing Persian Numbers **

Homothermal

Answer 1

try this :

 func convertEngNumToPersianNum(num: String)->String{
        let number = NSNumber(value: Int(num)!)
        let format = NumberFormatter()
        format.locale = Locale(identifier: "fa_IR")
        let faNumber = format.string(from: number)

        return faNumber!
    }

Ezraezri

Can you elaborate on your answer? Posting a piece of code without any text is often not very helpful. – Villatoro

I know that how to convert english numbers into persian numbers the problem for me is I want while user editing text field this function happen – Homothermal

@NoelWidmer convert english numbers into persian numbers – Ezraezri