Inserting Date Picker in UITextField

DatePickerViewController.swift

func insertDatePicker() {
    let inputView = UIView(frame: CGRect(x: 0,y: 0, width: self.view.frame.width, height: 240))
    let datePicker = UIDatePicker(frame: CGRect(x: 0, y: 0, width: self.view.bounds.width, height: 240))
    datePicker.datePickerMode = .date
            
    let now: Date = Date()
    var plusOneDay: DateComponents = DateComponents()
    plusOneDay.day = +1
    let oneDayAfter: Date = (Calendar.current as NSCalendar).date(byAdding: plusOneDay, to: now, options: NSCalendar.Options.init(rawValue: 0))!
    datePicker.minimumDate = oneDayAfter
            
    inputView.addSubview(datePicker)
    datePicker.addTarget(self, action: #selector(handleDatePicker(_:)), for: .valueChanged)
    handleDatePicker(datePicker)
    dateTextField.inputView = inputView
}

func handleDatePicker(_ sender: UIDatePicker) {
    let formatter = DateFormatter()
    formatter.dateFormat = "yyyy-MM-dd"
    dateTextField.text = formatter.string(from: sender.date)
}

func textFieldDidBeginEditing(_ textField: UITextField) {
    insertDatePicker()
}