func textField()

in amazon-ivs-optimizations-ios-demo/Controllers/SettingsViewController.swift [134:142]


    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        guard var text = textField.text,
              let range = Range(range, in: text)
        else { return false }
        text.replaceSubrange(range, with: string)
        textField.text = text
        processCustomUrlText()
        return false
    }