[iOS UIKit in Swift 4] UIDatePicker 사용하기

UIDatePicker 사용하기

아래 이미지와 소스코드를 비교해보시면 좀 더 이해하기 편합니다.

궁금하신점은 댓글로 달아주세요.

해피코딩 :)

Preview

Source

	//
	// DatePickerVC.swift
	// UIKit component handling
	//
	// Created by Taehyeon Han on 2018. 8. 9..
	// Copyright © 2018년 calmone. All rights reserved.
	//
	import UIKit
	class DatePickerVC: BaseViewController {
	lazy var textField: UITextField = {
	// Create a UITextField.
	let textField = UITextField(frame: CGRect(x: 0, y: 0, width: 200, height: 30))
	textField.text = ""
	textField.borderStyle = UITextBorderStyle.roundedRect
	textField.layer.position = CGPoint(x: self.view.bounds.width/2, y: self.view.bounds.height - 100)
	return textField
	}()
	lazy var datePicker: UIDatePicker = {
	// Set datePicker (default is the position at the top of the screen).
	let datePicker = UIDatePicker(frame: CGRect(x: 0, y: 150, width: self.view.frame.width, height: 200))
	datePicker.timeZone = NSTimeZone.local
	datePicker.backgroundColor = UIColor.white
	datePicker.layer.cornerRadius = 5.0
	datePicker.layer.shadowOpacity = 0.5
	// Register the event when the value changed.
	datePicker.addTarget(self, action: #selector(onDidChangeDate(sender:)), for: .valueChanged)
	return datePicker
	}()
	override func viewDidLoad() {
	super.viewDidLoad()
	// Do any additional setup after loading the view.
	// Add UITextField on view
	self.view.addSubview(self.textField)
	// Add UIDatePicker
	self.view.addSubview(self.datePicker)
	}
	override func didReceiveMemoryWarning() {
	super.didReceiveMemoryWarning()
	// Dispose of any resources that can be recreated.
	}
	// Called when DatePicker is selected.
	@objc func onDidChangeDate(sender: UIDatePicker){
	// Generate the format.
	let dateFormatter: DateFormatter = DateFormatter()
	dateFormatter.dateFormat = "yyyy/MM/dd hh:mm"
	// Obtain the date according to the format.
	let selectedDate: String = dateFormatter.string(from: sender.date)
	self.textField.text = selectedDate
	}
	}

view raw DatePickerVC.swift hosted with ❤ by GitHub

Github

https://github.com/calmone/iOS-UIKit-component

Reference

• UIDatePicker 
  https://developer.apple.com/reference/uikit/uidatepicker