I am using the UIPicker view for showing the Day, date and time as per the below screenshot:
I have implemented this by using the following code:
import UIKitclass ViewController: UIViewController, UITextFieldDelegate,UIPickerViewDelegate,UIPickerViewDataSource { @IBOutlet weak var txtDatePicker: UITextField! @IBOutlet var dateLabel:UILabel! let datePicker = UIPickerView() var pickerDaysYear = [["1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31"],["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],["1AM", "2AM", "3AM", "4AM", "5AM", "6AM", "7AM", "8AM", "9AM", "10AM", "11AM", "12AM","1PM", "2PM", "3PM", "4PM", "5PM", "6PM", "7PM", "8PM", "9PM", "10PM", "11PM", "12PM",]]; override func viewDidLoad() { super.viewDidLoad() self.txtDatePicker.delegate = self self.datePicker.dataSource = self self.datePicker.delegate = self self.txtDatePicker.inputView = self.datePicker let toolBar = UIToolbar() toolBar.barStyle = UIBarStyle.default toolBar.isTranslucent = true toolBar.tintColor = UIColor(red: 76/255, green: 217/255, blue: 100/255, alpha: 1) toolBar.sizeToFit() let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItem.Style.plain, target: self, action: #selector(self.doneButtonTapped)) toolBar.setItems([doneButton], animated: false) self.txtDatePicker.inputAccessoryView = toolBar } @objc func doneButtonTapped(){ self.txtDatePicker.resignFirstResponder() } override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) { view.endEditing(true) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. }//---------------- PickerView delegate Method --------------------------------//func numberOfComponents(in pickerView: UIPickerView) -> Int { return 3}func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int { return self.pickerDaysYear[component].count}func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? { return self.pickerDaysYear[component][row]}func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) { let days = pickerDaysYear[0][pickerView.selectedRow(inComponent: 0)] let month = pickerDaysYear[1][pickerView.selectedRow(inComponent: 1)] let time = pickerDaysYear[2][pickerView.selectedRow(inComponent: 2)] txtDatePicker.text = days +" " + month +" " + time}}I have achieved the desired output but the problem is i can still select invalid dates like "30 February" "31 April" etc ... So is there any way to prevent such invalid dates by being selected??.Right now the output is like :
