update demo

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -3,13 +3,13 @@
     {
       "size" : "20x20",
       "idiom" : "iphone",
-      "filename" : "Icon-Notification-1.png",
+      "filename" : "Icon-Notification@2x-1.png",
       "scale" : "2x"
     },
     {
       "size" : "20x20",
       "idiom" : "iphone",
-      "filename" : "Icon-Notification@2x-1.png",
+      "filename" : "Icon-60@1x-1.png",
       "scale" : "3x"
     },
     {
@@ -103,8 +103,9 @@
       "scale" : "2x"
     },
     {
-      "idiom" : "ios-marketing",
       "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "icon1024.png",
       "scale" : "1x"
     }
   ],

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_1.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_1@2x.JPG",
+      "filename" : "Photo_Lofter_1@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_2.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_2@2x.JPG",
+      "filename" : "Photo_Lofter_2@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_3.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_3@2x.JPG",
+      "filename" : "Photo_Lofter_3@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_4.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_4@2x.JPG",
+      "filename" : "Photo_Lofter_4@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_5.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_5@2x.JPG",
+      "filename" : "Photo_Lofter_5@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_6.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_6@2x.JPG",
+      "filename" : "Photo_Lofter_6@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_7.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_7@2x.JPG",
+      "filename" : "Photo_Lofter_7@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_8.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_8@2x.JPG",
+      "filename" : "Photo_Lofter_8@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/Assets.xcassets/photo/lofter/Photo_Lofter_9.imageset/Contents.json

@@ -6,7 +6,7 @@
     },
     {
       "idiom" : "universal",
-      "filename" : "Photo_Lofter_9@2x.JPG",
+      "filename" : "Photo_Lofter_9@2x.jpg",
       "scale" : "2x"
     },
     {

ESPullToRefreshExample/ESPullToRefreshExample/ViewController.swift

@@ -8,8 +8,13 @@
 
 import UIKit
 
-public enum ESRefreshExampleType {
-    case defaulttype, meituan, wechat
+public enum ESRefreshExampleType: String {
+    case defaulttype = "Default"
+    case meituan = "美团网 (Meituan.com)"
+    case wechat = "WeChat"
+    case textView = "TextView"
+    case day = "Day"
+    case collectionView = "CollectionView"
 }
 
 public enum ESRefreshExampleListType {
@@ -21,21 +26,20 @@ public class ViewController: UIViewController, UITableViewDataSource, UITableVie
 
     public var listType: ESRefreshExampleListType = .tableview
 
-    public let dataArray = [
-        "Default",
-        "美团网 (Meituan.com)",
-        "WeChat",
-        "TextView",
-        "Day",
-        "CollectionView"
-        ]
+    public let dataArray: [ESRefreshExampleType] = [
+        .defaulttype,
+        .meituan,
+        .wechat,
+        .textView,
+        .day,
+        .collectionView]
 
     public override func viewDidLoad() {
         super.viewDidLoad()
         let appearance = UIBarButtonItem.appearance()
         appearance.setBackButtonTitlePositionAdjustment(UIOffset.init(horizontal: 0.0, vertical: -60), for: .default)
-
-        self.navigationController?.navigationBar.isTranslucent = true
+        
+        self.navigationController?.navigationBar.isTranslucent = false
         self.navigationController?.navigationBar.barTintColor = UIColor.init(red: 250/255.0, green: 250/255.0, blue: 250/255.0, alpha: 0.8)
         self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor.init(red: 38/255.0, green: 38/255.0, blue: 38/255.0, alpha: 1.0), NSAttributedString.Key.font: UIFont.systemFont(ofSize: 16.0)]
         self.navigationController?.navigationBar.tintColor = UIColor.init(red: 38/255.0, green: 38/255.0, blue: 38/255.0, alpha: 1.0)
@@ -44,34 +48,32 @@ public class ViewController: UIViewController, UITableViewDataSource, UITableVie
         self.tableView.register(UINib.init(nibName: "ListTableViewCell", bundle: nil), forCellReuseIdentifier: "ListTableViewCell")
     }
 
-    public func select(indexPath: IndexPath) {
+    public func selectRow(_ element: ESRefreshExampleType) {
         var vc: UIViewController!
-        switch indexPath.row {
-        case 0:
+        switch element {
+        case .defaulttype:
             vc = ESRefreshTableViewController.init(style: .plain)
             if let vc = vc as? ESRefreshTableViewController {
                 vc.type = .defaulttype
             }
-        case 1:
+        case .meituan:
             vc = ESRefreshTableViewController.init(style: .plain)
             if let vc = vc as? ESRefreshTableViewController {
                 vc.type = .meituan
             }
-        case 2:
+        case .wechat:
             vc = ESRefreshTableViewController.init(style: .plain)
             if let vc = vc as? ESRefreshTableViewController {
                 vc.type = .wechat
             }
-        case 3:
+        case .textView:
             vc = TextViewController.init()
-        case 4:
+        case .day:
             vc = ESRefreshTableViewController.init(style: .plain)
-        case 5:
+        case .collectionView:
             vc = CollectionViewController()
-        default:
-            break
         }
-        vc.title = dataArray[indexPath.row]
+        vc.title = element.rawValue
         self.navigationController?.pushViewController(vc, animated: true)
     }
 
@@ -87,7 +89,7 @@ public class ViewController: UIViewController, UITableViewDataSource, UITableVie
     public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         let cell = self.tableView.dequeueReusableCell(withIdentifier: "ListTableViewCell")
         if let cell = cell as? ListTableViewCell {
-            cell.titleLabel.text = "\(indexPath.row + 1).   " + dataArray[indexPath.row]
+            cell.titleLabel.text = "\(indexPath.row + 1).   " + dataArray[indexPath.row].rawValue
         }
         return cell!
     }
@@ -104,7 +106,7 @@ public class ViewController: UIViewController, UITableViewDataSource, UITableVie
 
     public func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         tableView.deselectRow(at: indexPath as IndexPath, animated: true)
-        self.select(indexPath: indexPath)
+        self.selectRow(dataArray[indexPath.row])
     }
 
 }