１つの画面で2つのtextFieldのキーボードをPickerViewに変更する方法が知りたいです。

アプリ画面にtextFieldを２つ使用したいと考えています。２つのtextFieldに実装しようとしたらなぜか反映されず、エラーも起きないのでどこが失敗しているのか見当が付かなくなりました、、、、

swift
1
2
3import UIKit
4
5class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
6    
7    func numberOfComponents(in pickerView: UIPickerView) -> Int {
8            return 1
9        }
10
11        func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
12            return 31
13        }
14
15        func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
16            return data[row]
17        }
18
19        func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
20            yearText1.text = data[row]
21            yearText.text = data[row]
22        }
23
24    
25
26    @IBOutlet weak var yearText1: UITextField!
27    @IBOutlet weak var yearText: UITextField!
28    @IBOutlet weak var NV: UILabel!
29
30
31        var pickerView = UIPickerView()
32        var data = ["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"]
33
34
35
36    override func viewDidLoad() {
37        super.viewDidLoad()
38
39        yearText1.placeholder = "例）2021"
40        yearText.placeholder = "例）2021"
41
42    }
43
44       
45
46
47        func createPickerView() {
48            pickerView.delegate = self
49            yearText1.inputView = pickerView
50            yearText.inputView = pickerView
51  
52
53
54            let toolbar = UIToolbar()
55            toolbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: 44)
56            let doneButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(ViewController.donePicker))
57            toolbar.setItems([doneButtonItem], animated: true)
58            yearText1.inputAccessoryView = toolbar
59            yearText.inputAccessoryView = toolbar
60            }
61
62            @objc func donePicker() {
63                yearText1.endEditing(true)
64                yearText.endEditing(true)
65            }
66
67            override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
68                yearText1.endEditing(true)
69                yearText.endEditing(true)
70            }
71        
72}