Pull request

PagingScrollView.swift

@@ -0,0 +1,22 @@
+//
+//  PagingScrollView.swift
+//  Pods
+//
+//  Created by dudongge on 2018/2/5.
+//
+
+import UIKit
+//Add the system's return gesture.
+class PagingScrollView: UIScrollView {
+
+    override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
+        if gestureRecognizer.isKind(of: UIPanGestureRecognizer.self) {
+            let pan: UIPanGestureRecognizer = gestureRecognizer as! UIPanGestureRecognizer
+            if pan.translation(in: self).x > 0.0 && self.contentOffset.x == 0.0 {
+                return false
+            }
+        }
+        return super.gestureRecognizerShouldBegin(gestureRecognizer)
+    }
+
+}

Pod/Classes/PagingViewController.swift

@@ -13,7 +13,7 @@ open class PagingViewController: UIViewController {
     public internal(set) var currentViewController: UIViewController!
     public fileprivate(set) var visibleControllers = [UIViewController]()
 
-    internal let contentScrollView: UIScrollView = {
+    internal let contentScrollView: PagingScrollView = {
         $0.isPagingEnabled = true
         $0.isDirectionalLockEnabled = true
         $0.showsHorizontalScrollIndicator = false
@@ -22,7 +22,7 @@ open class PagingViewController: UIViewController {
         $0.bounces = false
         $0.translatesAutoresizingMaskIntoConstraints = false
         return $0
-    }(UIScrollView(frame: .zero))
+    }(PagingScrollView(frame: .zero))
 
     fileprivate let options: PagingMenuControllerCustomizable
     fileprivate var currentIndex: Int = 0
@@ -301,3 +301,5 @@ extension PagingViewController {
         return true
     }
 }
+
+