第七天-tableView刷新

1.用了下GCD的延迟
utsav475908 · Dec 22, 2018 · b42117f · b42117f
1 parent 6250030
commit b42117f
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Showing 3 changed files with 22 additions and 7 deletions.
diff --git a/Project 07 - PullToRefresh/PullToRefresh.xcodeproj/project.pbxproj b/Project 07 - PullToRefresh/PullToRefresh.xcodeproj/project.pbxproj
@@ -96,6 +96,7 @@
 				TargetAttributes = {
 					9F7B45B31C46A47700258538 = {
 						CreatedOnToolsVersion = 7.2;
+						DevelopmentTeam = F3YT8BWBYJ;
 						LastSwiftMigration = 0830;
 					};
 				};
@@ -265,6 +266,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = F3YT8BWBYJ;
 				INFOPLIST_FILE = PullToRefresh/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = me.appkitchen.PullToRefresh;
@@ -277,6 +279,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = F3YT8BWBYJ;
 				INFOPLIST_FILE = PullToRefresh/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = me.appkitchen.PullToRefresh;

diff --git a/...Refresh/PullToRefresh.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/...Refresh/PullToRefresh.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Project 07 - PullToRefresh/PullToRefresh/ViewController.swift b/Project 07 - PullToRefresh/PullToRefresh/ViewController.swift
@@ -10,27 +10,29 @@ import UIKit
 
 class ViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
 
+    var index = 0
     let cellIdentifer = "NewCellIdentifier"
 
     let favoriteEmoji = ["🤗🤗🤗🤗🤗", "😅😅😅😅😅", "😆😆😆😆😆"]
     let newFavoriteEmoji = ["🏃🏃🏃🏃🏃", "💩💩💩💩💩", "👸👸👸👸👸", "🤗🤗🤗🤗🤗", "😅😅😅😅😅", "😆😆😆😆😆" ]
     var emojiData = [String]()
-    var tableViewController = UITableViewController(style: .plain)
+    var tableView: UITableView!
 
     var refreshControl = UIRefreshControl()
     var navBar: UINavigationBar = UINavigationBar(frame: CGRect(x: 0, y: 0, width: 375, height: 64))
 
     override func viewDidLoad() {
         super.viewDidLoad()
+        tableView = UITableView(frame: self.view.bounds, style: .plain)
 
         emojiData = favoriteEmoji
-        let emojiTableView = tableViewController.tableView
+        let emojiTableView = tableView
 
         emojiTableView?.backgroundColor = UIColor(red:0.092, green:0.096, blue:0.116, alpha:1)
         emojiTableView?.dataSource = self
         emojiTableView?.register(UITableViewCell.self, forCellReuseIdentifier: cellIdentifer)
 
-        tableViewController.refreshControl = self.refreshControl
+        tableView.refreshControl = self.refreshControl
         self.refreshControl.addTarget(self, action: #selector(ViewController.didRoadEmoji), for: .valueChanged)
 
         self.refreshControl.backgroundColor = UIColor(red:0.113, green:0.113, blue:0.145, alpha:1)
@@ -64,7 +66,6 @@ class ViewController: UIViewController, UITableViewDataSource, UITableViewDelega
 
     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifer)! as UITableViewCell
-
         cell.textLabel!.text = self.emojiData[indexPath.row]
         cell.textLabel!.textAlignment = NSTextAlignment.center
         cell.textLabel!.font = UIFont.systemFont(ofSize: 50)
@@ -78,9 +79,12 @@ class ViewController: UIViewController, UITableViewDataSource, UITableViewDelega
     //RoadEmoji
 
     func didRoadEmoji() {
-        self.emojiData = newFavoriteEmoji
-        self.tableViewController.tableView.reloadData()
-        self.refreshControl.endRefreshing()
+        DispatchQueue.main.asyncAfter(deadline:DispatchTime.now() + 3 ) {
+            self.emojiData = [self.newFavoriteEmoji,self.favoriteEmoji][self.index]
+            self.tableView.reloadData()
+            self.refreshControl.endRefreshing()
+            self.index = (self.index + 1) % 2
+        }
     }
 
     override var preferredStatusBarStyle : UIStatusBarStyle {