DatePickerSwift

func showDatePicker() {
        datePicker = UIDatePicker()
        datePicker?.date = Date()
        datePicker?.locale = .current
        datePicker?.datePickerMode = .date
        datePicker?.preferredDatePickerStyle = .inline
        self.datePicker?.addTarget(self, action: #selector(self.datePickerValueChanged(_:)), for: .valueChanged)
        addDatePickerToSubview()
    }

    func addDatePickerToSubview() {
        guard let datePicker = datePicker else { return }
        // Give the background Blur Effect
        let blurEffect = UIBlurEffect(style: UIBlurEffect.Style.regular)
        let blurEffectView = UIVisualEffectView(effect: blurEffect)
        self.view.addSubview(blurEffectView)
        self.view.addSubview(datePicker)

        blurEffectView.translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            blurEffectView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
            blurEffectView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
            blurEffectView.widthAnchor.constraint(equalTo: view.widthAnchor),
            blurEffectView.heightAnchor.constraint(equalTo: view.heightAnchor)
        ])

        datePicker.translatesAutoresizingMaskIntoConstraints = false
        if let datePicker = self.datePicker {
            NSLayoutConstraint.activate([
                datePicker.leadingAnchor.constraint(equalTo: blurEffectView.leadingAnchor, constant: 20),
                datePicker.trailingAnchor.constraint(equalTo: blurEffectView.trailingAnchor, constant: -20),
                datePicker.centerYAnchor.constraint(equalTo: blurEffectView.centerYAnchor),
            ])
        }

        view.bringSubviewToFront(datePicker)
    }