質問編集履歴
1
説明変更
test
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File without changes
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test
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@@ -10,196 +10,196 @@
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下記のコードではsegmentを押した時はラベルが表示されますが、スワイプで切り替えた時そのラベルが消えてしまいます。というかそもそも表示されていない...？
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ラベルが表示されるviewはsegmentを押下したときとスワイプで切り替えるときではviewが異なるんでしょか。。
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### 該当のソースコード
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```
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import UIKit
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class MainViewController: UIViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {
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let idList: [String] = ["first", "second", "third"]
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var pageViewController: UIPageViewController!
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var viewControllers: [UIViewController] = []
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@IBOutlet weak var selectTab: UISegmentedControl!
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override func viewDidLoad() {
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super.viewDidLoad()
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selectTab.setTitle("1枚目", forSegmentAt: 0)
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selectTab.setTitle("2枚目", forSegmentAt: 1)
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selectTab.setTitle("3枚目", forSegmentAt: 2)
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for id in idList {
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viewControllers.append((storyboard?.instantiateViewController(withIdentifier: id))!)
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}
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pageViewController = children[0] as? UIPageViewController
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pageViewController.setViewControllers([viewControllers[0]], direction: .forward, animated: true, completion: nil)
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pageViewController.dataSource = self
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pageViewController.delegate = self
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let mylabel = UILabel(frame: CGRect(x:150, y:200, width:160, height:30))
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mylabel.font = mylabel.font.withSize(25)
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mylabel.textColor = UIColor.black
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mylabel.text = "Test"
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viewControllers[0].view.addSubview(mylabel)
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
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let index = idList.firstIndex(of: viewController.restorationIdentifier!)!
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if (index > 0) {
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print("before")
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return storyboard!.instantiateViewController(withIdentifier: idList[index - 1])
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}
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return nil
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
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let index = idList.firstIndex(of: viewController.restorationIdentifier!)!
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if (index < idList.count - 1) {
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print("after")
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return storyboard!.instantiateViewController(withIdentifier: idList[index + 1])
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}
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return nil
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}
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func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
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let index = idList.firstIndex(of: (pageViewController.viewControllers?.first!.restorationIdentifier)!)
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self.selectTab.selectedSegmentIndex = index!
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// let mylabel = UILabel(frame: CGRect(x:150, y:200, width:160, height:30))
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// //mylabel.font = mylabel.font.withSize(25)
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// mylabel.textColor = UIColor.black
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// mylabel.text = "Test"
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// viewControllers[0].view.addSubview(mylabel)
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// print(index)
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}
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@IBAction func selectedTab(_ sender: UISegmentedControl) {
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switch sender.selectedSegmentIndex {
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case 0:
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pageViewController.setViewControllers([viewControllers[0]], direction: .reverse, animated: false, completion: nil)
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break
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case 1:
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pageViewController.setViewControllers([viewControllers[1]], direction: .reverse, animated: false, completion: nil)
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break
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case 2:
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pageViewController.setViewControllers([viewControllers[2]], direction: .forward, animated: false, completion: nil)
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break
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default:
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return
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}
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}
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}
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```
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### 該当のソースコード
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27
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28
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```
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import UIKit
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class MainViewController: UIViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {
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let idList: [String] = ["first", "second", "third"]
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var pageViewController: UIPageViewController!
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var viewControllers: [UIViewController] = []
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@IBOutlet weak var selectTab: UISegmentedControl!
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override func viewDidLoad() {
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super.viewDidLoad()
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selectTab.setTitle("1枚目", forSegmentAt: 0)
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selectTab.setTitle("2枚目", forSegmentAt: 1)
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selectTab.setTitle("3枚目", forSegmentAt: 2)
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for id in idList {
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viewControllers.append((storyboard?.instantiateViewController(withIdentifier: id))!)
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}
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pageViewController = children[0] as? UIPageViewController
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pageViewController.setViewControllers([viewControllers[0]], direction: .forward, animated: true, completion: nil)
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pageViewController.dataSource = self
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pageViewController.delegate = self
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let mylabel = UILabel(frame: CGRect(x:150, y:200, width:160, height:30))
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mylabel.font = mylabel.font.withSize(25)
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mylabel.textColor = UIColor.black
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mylabel.text = "Test"
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viewControllers[0].view.addSubview(mylabel)
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
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let index = idList.firstIndex(of: viewController.restorationIdentifier!)!
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if (index > 0) {
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print("before")
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return storyboard!.instantiateViewController(withIdentifier: idList[index - 1])
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}
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return nil
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
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let index = idList.firstIndex(of: viewController.restorationIdentifier!)!
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if (index < idList.count - 1) {
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print("after")
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return storyboard!.instantiateViewController(withIdentifier: idList[index + 1])
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}
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return nil
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}
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func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
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let index = idList.firstIndex(of: (pageViewController.viewControllers?.first!.restorationIdentifier)!)
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self.selectTab.selectedSegmentIndex = index!
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// let mylabel = UILabel(frame: CGRect(x:150, y:200, width:160, height:30))
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// //mylabel.font = mylabel.font.withSize(25)
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// mylabel.textColor = UIColor.black
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// mylabel.text = "Test"
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// viewControllers[0].view.addSubview(mylabel)
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// print(index)
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}
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@IBAction func selectedTab(_ sender: UISegmentedControl) {
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switch sender.selectedSegmentIndex {
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case 0:
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pageViewController.setViewControllers([viewControllers[0]], direction: .reverse, animated: false, completion: nil)
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break
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case 1:
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pageViewController.setViewControllers([viewControllers[1]], direction: .reverse, animated: false, completion: nil)
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break
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case 2:
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pageViewController.setViewControllers([viewControllers[2]], direction: .forward, animated: false, completion: nil)
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break
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default:
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return
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}
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}
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}
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```
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