iOS-date-pickerView.swift

import Foundation
import UIKit

protocol SSToolbarDatePickerViewDelegate: class {
    func didTapDone(date: Date)
    func didTapCancel()
}

class SSToolbarDatePickerView: UIDatePicker {
    
    public private(set) var toolbar: UIToolbar?
    public weak var toolbarDelegate: SSToolbarDatePickerViewDelegate?
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.commonInit()
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        self.commonInit()
    }
    
    private func commonInit() {
        
        // Date Picker View Config
        self.datePickerMode = .date
       // self.backgroundColor = UIColor.white
       // self.setValue(UIColor.blue, forKey: "textColor")
        
        // Creating Toolbar
        let toolBar = UIToolbar()
        toolBar.sizeToFit()
        
        // Adding button with Toolbar
        let doneButton = UIBarButtonItem(title: "Done",
                                         style: .plain,
                                         target: self,
                                         action: #selector(self.doneTapped))
        
        let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace,
                                          target: nil,
                                          action: nil)
        
        let cancelButton = UIBarButtonItem(title: "Cancel",
                                           style: .plain,
                                           target: self,
                                           action: #selector(self.cancelTapped))
        
        toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
        toolBar.isUserInteractionEnabled = true
        
        self.toolbar = toolBar
    }
    
    @objc func doneTapped() {
        self.toolbarDelegate?.didTapDone(date: self.date)
    }
    
    @objc func cancelTapped() {
        self.toolbarDelegate?.didTapCancel()
    }
}


///////////////////// Use of Toolbar Date Picker View /////////////////////////////

import UIKit

class TestViewController: UIViewController {
    
    @IBOutlet weak var textField: UITextField!
    let datePicker = SSToolbarDatePickerView()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        datePicker.toolbarDelegate = self
       // datePicker.maximumDate = Date()
       // datePicker.maximumDate = Date()
        
        textField.inputView = datePicker
        textField.inputAccessoryView = datePicker.toolbar
    }
}

extension TestViewController: SSToolbarDatePickerViewDelegate {
    
    func didTapDone(date: Date) {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "dd-MM-yyyy"
        let dateShow = dateFormatter.string(from: date)
        textField.text = dateShow
        self.view.endEditing(true)
    }
    
    func didTapCancel() {
        self.view.endEditing(true)
    }
}