How to detect when user used Password AutoFill on a UITextField

Question

I\'ve implemented all the app and server changes necessary to support Password Autofill on iOS 11, and it works well. I\'d like it to work a little better.

My usern

Answer 1

I found another simple way.. Hope it will help who is looking for it.

func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
// Usually string is coming as single character when user hit the keyboard .. 
// but at AutoFill case it will come as whole string which recieved .. 
// at this moment you can replace what you currently have by what you have recieved.
// In below case I'm expecting to recieve 4 digits as OTP code .. you can change it by what you are expecting to recieve.
    if string.count == 4 {
            doWhatEverYouByAutoFillString(text: string)
            return true
        } 
    }
}