首页 置顶

galaxy/galaxy/AppDelegate.swift

@@ -124,7 +124,10 @@ extension AppDelegate {
     //1.设置主窗口
     private func setupRootVC() {
         let tabBarController = YHTabBarViewController()
-        let v0 = YHNavigationController(rootVC:YHHomePageViewController())
+        
+        let homeVC = YHHomePageViewController()
+        tabBarController.delegate = homeVC
+        let v0 = YHNavigationController(rootVC:homeVC)
         let v1 = YHNavigationController(rootVC:YHServiceViewController())
         let v2 = YHNavigationController(rootVC:YHMsgViewController())
         let v3 = YHNavigationController(rootVC:YHMyViewController())

galaxy/galaxy/Classes/Modules/Home(首页)/C/YHHomePageViewController.swift

@@ -54,6 +54,10 @@ class YHHomePageViewController: YHBaseViewController {
         let view = YHHomeHeadView()
         return view
     }()
+    
+
+    var tapTimestamp : CFAbsoluteTime = -10.0
+    
 }
 
 private extension YHHomePageViewController {
@@ -96,6 +100,11 @@ private extension YHHomePageViewController {
             }
             
             self.homeCollectView.reloadData()
+            
+//            DispatchQueue.main.asyncAfter(deadline: .now() + 3, execute:{
+//                printLog(YHHomeHeadView.viewH)
+//                printLog(self.homeCollectView.contentOffset)
+//            })
         }
     }
     
@@ -184,3 +193,21 @@ extension YHHomePageViewController : CollectionViewWaterfallLayoutDelegate {
         return CGSize(width: model.img_width_cell, height: model.img_height_cell)
     }
 }
+
+extension YHHomePageViewController : UITabBarControllerDelegate {
+    
+    func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
+        let doubleTapInterval : CGFloat = 0.3
+        
+        if tabBarController.selectedIndex == 0 {
+            let timestamp = CFAbsoluteTimeGetCurrent()
+            printLog(timestamp - self.tapTimestamp)
+            if timestamp - self.tapTimestamp < doubleTapInterval {
+                UIView.animate(withDuration: 0.25) {
+                    self.homeCollectView.contentOffset = CGPoint(x: 0, y: -YHHomeHeadView.viewH)//置顶功能
+                }
+            }
+            self.tapTimestamp = timestamp
+        }
+    }
+}

galaxy/galaxy/Classes/Modules/Home(首页)/C/YHStartPageViewController.swift

@@ -98,7 +98,9 @@ private extension YHStartPageViewController {
     //1.设置主窗口
     func setupRootVC() {
         let tabBarController = YHTabBarViewController()
-        let v0 = YHNavigationController(rootVC:YHHomePageViewController())
+        let homeVC = YHHomePageViewController()
+        tabBarController.delegate = homeVC
+        let v0 = YHNavigationController(rootVC:homeVC)
         let v1 = YHNavigationController(rootVC:YHServiceViewController())
         let v2 = YHNavigationController(rootVC:YHMsgViewController())
         let v3 = YHNavigationController(rootVC:YHMyViewController())