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トップXcodeに関する質問pickerViewを複数設置したいです。

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回答編集履歴

2

頭使おうよ

2020/05/24 13:48

投稿

退会済みユーザー
test CHANGED
@@ -51,3 +51,185 @@
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  }
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  ```
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+ ---
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+ ```swift
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+ import UIKit
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+ class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
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+ @IBOutlet weak var upperTextField: UITextField!
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+ @IBOutlet weak var upperResultLabel: UILabel!
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+ var upperPickerView = UIPickerView()
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+ var upperData = ["1", "2", "3","4","5"]
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+ @IBOutlet weak var lowerTextField: UITextField!
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+ @IBOutlet weak var lowerResultLabel: UILabel!
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+ var lowerPickerView = UIPickerView()
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+ var lowerData = ["A", "B", "C","D","E"]
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+ override func viewDidLoad() {
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+ super.viewDidLoad()
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+ createPickerView()
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+ }
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+ func createPickerView() {
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+
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+ // upperPickerView
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+ upperPickerView.delegate = self
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+ upperTextField.inputView = upperPickerView
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+ // toolbar
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+ let upperToolbar = UIToolbar()
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+ upperToolbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: 44)
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+ let upperDoneButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(ViewController.donePicker))
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+ upperToolbar.setItems([upperDoneButtonItem], animated: true)
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+ upperTextField.inputAccessoryView = upperToolbar
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+
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+ // lowerPickerView
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+ lowerPickerView.delegate = self
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+ lowerTextField.inputView = lowerPickerView
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+ // toolbar
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+ let lowerToolbar = UIToolbar()
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+ lowerToolbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: 44)
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+ let lowerDoneButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(ViewController.donePicker))
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+ lowerToolbar.setItems([lowerDoneButtonItem], animated: true)
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+ lowerTextField.inputAccessoryView = lowerToolbar
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+ }
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+ @objc func donePicker() {
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+ upperTextField.endEditing(true)
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+ lowerTextField.endEditing(true)
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+ }
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+ override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
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+ upperTextField.endEditing(true)
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+ lowerTextField.endEditing(true)
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+ }
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+ func numberOfComponents(in pickerView: UIPickerView) -> Int {
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+ return 1
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+ }
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+ func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
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+ return 5
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+ }
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+ func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
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+ if pickerView == upperPickerView {
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+ return upperData[row]
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+ } else {
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+ return lowerData[row]
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+ }
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+ }
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+ func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
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+ if pickerView == upperPickerView {
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+ upperTextField.text = upperData[row]
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+ upperResultLabel.text = upperData[row]
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+ } else {
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+ lowerTextField.text = lowerData[row]
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+ lowerResultLabel.text = lowerData[row]
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+ }
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+ }
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+ }
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+ ```

1

訂正

2020/05/24 13:48

投稿

退会済みユーザー
test CHANGED
@@ -48,10 +48,6 @@
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  }
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-
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-
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-
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- コード
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+ }
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  ```