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追記

2019/09/22 01:56

投稿

samson66

スコア35

test CHANGED Viewed

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test CHANGED Viewed

@@ -171,3 +171,111 @@
 エラーの原因がわかりません。
 どのようにすればスワイプでも動くようになるのでしょうか？m(_ _)m
+追記
+```PageViewController
+import UIKit
+class PageViewController: UIPageViewController {
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // Do any additional setup after loading the view.
+      self.setViewControllers([getFirst()], direction: .forward, animated: true, completion: nil)
+      self.dataSource = self
+    }
+  func getFirst() -> FirstViewController {
+    return storyboard!.instantiateViewController(withIdentifier: "first") as! FirstViewController
+  }
+  func getSecond() -> SecondViewController {
+    return storyboard!.instantiateViewController(withIdentifier: "second") as! SecondViewController
+  }
+  func getThird() -> ThirdViewController {
+    return storyboard!.instantiateViewController(withIdentifier: "third") as! ThirdViewController
+  }
+}
+extension PageViewController : UIPageViewControllerDataSource {
+  func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
+    if viewController.isKind(of: ThirdViewController.self) {
+      return getSecond()
+    } else if viewController.isKind(of: SecondViewController.self) {
+      return getFirst()
+    } else {
+      return nil
+    }
+  }
+  func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
+    if viewController.isKind(of: FirstViewController.self) {
+      return getSecond()
+    } else if viewController.isKind(of: SecondViewController.self) {
+      return getThird()
+    } else {
+      return nil
+    }
+  }
+}
+```