質問編集履歴
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@@ -1,86 +1,256 @@
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ストーリーボードを使わずにコードのみでアプリを作っています。
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FirstViewController(UIViewController)から
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SecondViewController(UICollectionViewCell)へ値を渡す方法をコードのみでの実現したいと思っています。
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FirstViewController内のUITextFieldにテキストを入力しUIButtonをタップしても、
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一連の動作をする4ファイルのコードを記載しました。
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下記コードの HogeStrngは、SecondViewController内にある var HogeStrng:String! で、値を中継する様に間に挟んでいます。
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UITextField.text = "", UILabel.text = ""と、初期化しています。
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ご確認いただければ幸いです よろしくお願いします。
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```ここに言語を入力
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import UIKit
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class PresentationController: UICollectionViewController, UICollectionViewDelegateFlowLayout {
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private var Button: UIBarButtonItem!
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private let cellId = "cellId"
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override func viewDidLoad() {
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super.viewDidLoad()
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set()
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}
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func set() {
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collectionView?.delegate = self
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collectionView?.dataSource = self
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collectionView?.register(SecondViewController.self, forCellWithReuseIdentifier: "cellId")
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}
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override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
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return 1
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}
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override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
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switch indexPath.item {
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default:
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return collectionView.dequeueReusableCell(withReuseIdentifier: "cellId", for: indexPath) as! SecondViewController
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}
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
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switch indexPath.item {
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default:
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return CGSize(width: view.frame.width, height: 300)
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}
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}
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//ここへ
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@objc func openButton(_ sender: UIButton) {
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print("変更するモーダルビュー 開いたよ")
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//モーダルの動き .custom
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let modalViewController = FirstViewController()
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modalViewController.modalPresentationStyle = .custom
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modalViewController.transitioningDelegate = self
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present(modalViewController, animated: true, completion: nil)
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}
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//
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override func viewWillAppear(_ animated: Bool) {
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collectionView?.reloadData()
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}
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}
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```
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```ここに言語を入力
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import UIKit
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class CustomPresentationController: UIPresentationController {
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// 呼び出し元のView Controller の上に重ねるビュー(ブラック)
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var overlayView = UIView()
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override func presentationTransitionWillBegin() {
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guard let containerView = containerView else {
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return
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}
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overlayView.frame = containerView.bounds
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overlayView.backgroundColor = .black
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overlayView.alpha = 0.0
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containerView.insertSubview(overlayView, at: 0)
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presentedViewController.transitionCoordinator?.animate(alongsideTransition: {[weak self] context in
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self?.overlayView.alpha = 0.7
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}, completion:nil)
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}
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override func dismissalTransitionWillBegin() {
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presentedViewController.transitionCoordinator?.animate(alongsideTransition: {[weak self] context in
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self?.overlayView.alpha = 0.0
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}, completion:nil)
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}
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override func dismissalTransitionDidEnd(_ completed: Bool) {
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if completed {
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overlayView.removeFromSuperview()
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}
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}
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let margin = (x: CGFloat(30), y: CGFloat(220.0))
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override func size(forChildContentContainer container: UIContentContainer, withParentContainerSize parentSize: CGSize) -> CGSize {
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return CGSize(width: parentSize.width - margin.x, height: parentSize.height - margin.y)
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}
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override var frameOfPresentedViewInContainerView: CGRect {
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var presentedViewFrame = CGRect()
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let containerBounds = containerView!.bounds
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let childContentSize = size(forChildContentContainer: presentedViewController, withParentContainerSize: containerBounds.size)
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presentedViewFrame.size = childContentSize
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presentedViewFrame.origin.x = margin.x / 2.0
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presentedViewFrame.origin.y = margin.y / 2.0
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return presentedViewFrame
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}
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override func containerViewWillLayoutSubviews() {
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overlayView.frame = containerView!.bounds //bounds 境界内
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presentedView?.frame = frameOfPresentedViewInContainerView
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presentedView?.layer.cornerRadius = 10
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presentedView?.clipsToBounds = true
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}
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override func containerViewDidLayoutSubviews() {
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}
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}
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@@ -88,6 +258,386 @@
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```ここに言語を入力
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import UIKit
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class FirstViewController: UIViewController, UITextFieldDelegate, UITextViewDelegate {
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .white
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set()
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}
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let userName: UITextField = {
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let un = UITextField()
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un.backgroundColor = .gray
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un.text = ""
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un.frame = CGRect(x: 100, y: 120, width: 200, height: 40)
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un.returnKeyType = .done
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return un
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}()
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let saveButton: UIButton = {
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let c = UIButton()
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c.frame = CGRect(x: 200, y: 0, width: 100, height: 100)
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c.setTitle("保存", for: .normal)
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c.backgroundColor = .gray
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return c
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}()
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let cancelbutton: UIButton = {
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let b = UIButton()
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b.frame = CGRect(x: 0, y: 0, width: 100, height: 100)
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b.setTitle("キャンセル", for: .normal)
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b.backgroundColor = .green
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return b
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}()
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func set() {
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//初期化時 カラにする
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userName.text = ""
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view.addSubview(userName)
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userName.delegate = self
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view.addSubview(saveButton)
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//初期化時は タップ無効化
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saveButton.isEnabled = false
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//ターゲット このボタンをダイレクトにタップした時の判定は⬇️の パターン2にあるよ
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saveButton.addTarget(self, action: #selector(save2(_:)), for: .touchUpInside)
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view.addSubview(cancelbutton)
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cancelbutton.addTarget(self, action: #selector(close(_:)), for: .touchUpInside)
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}
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//パターン????
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371
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//"return"をタップ キーボード閉じる
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|
373
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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374
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375
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376
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377
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//"return"でtextFieldが閉じる(userName, place, siteなど)
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|
379
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textField.resignFirstResponder()
|
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381
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|
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|
383
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//TextFieldに入力された値に反応して、その値を習得。
|
384
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|
385
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+
NotificationCenter.default.addObserver(self, selector: #selector(FirstViewController.changeNotifyTextField(sender:)), name: NSNotification.Name.UITextFieldTextDidChange, object: nil)
|
386
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|
387
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|
388
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|
389
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return true
|
390
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+
|
391
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}
|
392
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+
|
393
|
+
|
394
|
+
|
395
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+
//senderの中に 変更があったUITextFieldが入ってくる感じ
|
396
|
+
|
397
|
+
@objc public func changeNotifyTextField (sender: NSNotification) {
|
398
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+
|
399
|
+
|
400
|
+
|
401
|
+
guard let textView = sender.object as? UITextField else { return }
|
402
|
+
|
403
|
+
|
404
|
+
|
405
|
+
//文字が1以上で有効に
|
406
|
+
|
407
|
+
saveButton.isEnabled = (userName.text?.count)! > 0
|
408
|
+
|
409
|
+
|
410
|
+
|
411
|
+
//タップ処理を登録
|
412
|
+
|
413
|
+
saveButton.addTarget(self, action: #selector(save3(_:)), for: .touchUpInside)
|
414
|
+
|
415
|
+
}
|
416
|
+
|
417
|
+
|
418
|
+
|
419
|
+
//????
|
420
|
+
|
421
|
+
|
422
|
+
|
423
|
+
//パターン????
|
424
|
+
|
425
|
+
//saveButtonをダイレクトにタップ
|
426
|
+
|
427
|
+
@objc func save2(_ sender: UITapGestureRecognizer) {
|
428
|
+
|
429
|
+
|
430
|
+
|
431
|
+
NotificationCenter.default.addObserver(self, selector: #selector(FirstViewController.changeNotifyTextField2(sender:)), name: NSNotification.Name.UITextFieldTextDidChange, object: nil)
|
432
|
+
|
433
|
+
}
|
434
|
+
|
435
|
+
|
436
|
+
|
437
|
+
|
438
|
+
|
439
|
+
//senderの中に 変更があったUITextFieldが入ってくる感じ
|
440
|
+
|
441
|
+
@objc public func changeNotifyTextField2 (sender: NSNotification) {
|
442
|
+
|
443
|
+
|
444
|
+
|
445
|
+
guard let textView = sender.object as? UITextField else {
|
446
|
+
|
447
|
+
return
|
448
|
+
|
449
|
+
}
|
450
|
+
|
451
|
+
//文字が1以上で有効に
|
452
|
+
|
453
|
+
saveButton.isEnabled = (userName.text?.count)! > 0
|
454
|
+
|
455
|
+
//タップ処理を登録
|
456
|
+
|
457
|
+
saveButton.addTarget(self, action: #selector(save3(_:)), for: .touchUpInside)
|
458
|
+
|
459
|
+
}
|
460
|
+
|
461
|
+
|
462
|
+
|
463
|
+
|
464
|
+
|
465
|
+
@objc func save3(_ sender: UITapGestureRecognizer) {
|
466
|
+
|
467
|
+
|
468
|
+
|
469
|
+
//値を渡したい
|
470
|
+
|
471
|
+
let controller = presentingViewController as! SecondViewController
|
472
|
+
|
473
|
+
|
474
|
+
|
475
|
+
controller.textFromModal = userName.text!
|
476
|
+
|
477
|
+
|
478
|
+
|
479
|
+
self.dismiss(animated: true, completion: nil)
|
480
|
+
|
481
|
+
|
482
|
+
|
483
|
+
print("タップ キーボードとモーダルビュー 閉じたよ")
|
484
|
+
|
485
|
+
|
486
|
+
|
487
|
+
saveButton.endEditing(true)
|
488
|
+
|
489
|
+
|
490
|
+
|
491
|
+
}
|
492
|
+
|
493
|
+
//????
|
494
|
+
|
495
|
+
@objc func close(_ sender: UITapGestureRecognizer) {
|
496
|
+
|
497
|
+
print("保存キャンセル モーダルビュー 閉じたよ")
|
498
|
+
|
499
|
+
self.dismiss(animated: true, completion: nil)
|
500
|
+
|
501
|
+
}
|
502
|
+
|
503
|
+
|
504
|
+
|
505
|
+
}
|
506
|
+
|
507
|
+
|
508
|
+
|
509
|
+
|
510
|
+
|
511
|
+
```
|
512
|
+
|
513
|
+
|
514
|
+
|
515
|
+
```ここに言語を入力
|
516
|
+
|
517
|
+
|
518
|
+
|
519
|
+
import UIKit
|
520
|
+
|
521
|
+
|
522
|
+
|
523
|
+
class SecondViewController: UICollectionViewCell {
|
524
|
+
|
525
|
+
|
526
|
+
|
527
|
+
//モーダルビューから受け取るテキスト
|
528
|
+
|
529
|
+
var textFromModal = "" {
|
530
|
+
|
531
|
+
didSet {
|
532
|
+
|
533
|
+
// 値が更新されたら、ラベルの内容も更新する
|
534
|
+
|
535
|
+
updateLabel(text: textFromModal)
|
536
|
+
|
537
|
+
}
|
538
|
+
|
539
|
+
}
|
540
|
+
|
541
|
+
|
542
|
+
|
543
|
+
//ラベルの内容を更新する処理
|
544
|
+
|
545
|
+
func updateLabel(text: String) {
|
546
|
+
|
547
|
+
nameLabel.text = ""
|
548
|
+
|
549
|
+
}
|
550
|
+
|
551
|
+
|
552
|
+
|
553
|
+
override init(frame: CGRect) {
|
554
|
+
|
555
|
+
super.init(frame: frame)
|
556
|
+
|
557
|
+
backgroundColor = .gray
|
558
|
+
|
559
|
+
set()
|
560
|
+
|
561
|
+
}
|
562
|
+
|
563
|
+
|
564
|
+
|
565
|
+
required init?(coder aDecoder: NSCoder) {
|
566
|
+
|
567
|
+
fatalError("init(coder:) has not been implemented")
|
568
|
+
|
569
|
+
}
|
570
|
+
|
571
|
+
|
572
|
+
|
573
|
+
let button: UIButton = {
|
574
|
+
|
575
|
+
let b = UIButton()
|
576
|
+
|
577
|
+
b.setTitle("モーダル", for: .normal)
|
578
|
+
|
579
|
+
b.backgroundColor = .blue
|
580
|
+
|
581
|
+
b.translatesAutoresizingMaskIntoConstraints = false
|
582
|
+
|
583
|
+
b.addTarget(self, action: #selector(PresentationController.openButton(_:)), for: .touchUpInside)
|
584
|
+
|
585
|
+
b.frame = CGRect(x: 20, y: 50, width: 100, height: 100)
|
586
|
+
|
587
|
+
return b
|
588
|
+
|
589
|
+
}()
|
590
|
+
|
591
|
+
|
592
|
+
|
593
|
+
|
594
|
+
|
595
|
+
let nameLabel: UILabel = {
|
596
|
+
|
597
|
+
let l = UILabel()
|
598
|
+
|
599
|
+
l.backgroundColor = .white
|
600
|
+
|
601
|
+
l.translatesAutoresizingMaskIntoConstraints = false
|
602
|
+
|
603
|
+
l.frame = CGRect(x: 20, y: 200, width: 200, height: 50)
|
604
|
+
|
605
|
+
|
606
|
+
|
607
|
+
return l
|
608
|
+
|
609
|
+
}()
|
610
|
+
|
611
|
+
|
612
|
+
|
613
|
+
func set() {
|
614
|
+
|
615
|
+
addSubview(button)
|
616
|
+
|
617
|
+
addSubview(nameLabel)
|
618
|
+
|
619
|
+
}
|
620
|
+
|
621
|
+
}
|
622
|
+
|
623
|
+
|
624
|
+
|
625
|
+
//UIPresentationControllerで返す クラス名(CustomPresentationController)
|
626
|
+
|
627
|
+
extension PresentationController: UIViewControllerTransitioningDelegate {
|
628
|
+
|
629
|
+
func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
|
630
|
+
|
631
|
+
return CustomPresentationController(presentedViewController: presented, presenting: presenting)
|
632
|
+
|
633
|
+
}
|
634
|
+
|
635
|
+
|
636
|
+
|
637
|
+
}
|
638
|
+
|
639
|
+
|
640
|
+
|
641
|
+
|
642
|
+
|
643
|
+
```
|
2
変更
test
CHANGED
File without changes
|
test
CHANGED
@@ -56,7 +56,7 @@
|
|
56
56
|
|
57
57
|
SecondViewController().HogeStrng = UITextField.text!
|
58
58
|
|
59
|
-
|
59
|
+
SecondViewController().UILabel.text = SecondViewController(). HogeStrng
|
60
60
|
|
61
61
|
|
62
62
|
|
1
変更
test
CHANGED
File without changes
|
test
CHANGED
@@ -54,9 +54,9 @@
|
|
54
54
|
|
55
55
|
if userName.text != nil {
|
56
56
|
|
57
|
-
|
57
|
+
SecondViewController().HogeStrng = UITextField.text!
|
58
58
|
|
59
|
-
UCCell().UILabel.text =
|
59
|
+
UCCell().UILabel.text = SecondViewController(). HogeStrng
|
60
60
|
|
61
61
|
|
62
62
|
|