feat: 动态页返回顶部&双击刷新

lib/pages/dynamics/controller.dart

@@ -40,6 +40,7 @@ class DynamicsController extends GetxController {
       'enabled': true
     },
   ];
+  bool flag = false;
 
   Future queryFollowDynamic({type = 'init'}) async {
     // if (type == 'init') {
@@ -129,4 +130,21 @@ class DynamicsController extends GetxController {
 
     queryFollowDynamic();
   }
+
+  onRefresh() async {
+    page = 1;
+    queryFollowUp();
+    await queryFollowDynamic();
+  }
+
+  // 返回顶部并刷新
+  void animateToTop() async {
+    if (scrollController.offset >=
+        MediaQuery.of(Get.context!).size.height * 5) {
+      scrollController.jumpTo(0);
+    } else {
+      await scrollController.animateTo(0,
+          duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
+    }
+  }
 }

lib/pages/dynamics/view.dart

@@ -117,11 +117,7 @@ class _DynamicsPageState extends State<DynamicsPage>
         ),
       ),
       body: RefreshIndicator(
-        onRefresh: () async {
-          _dynamicsController.page = 1;
-          _dynamicsController.queryFollowUp();
-          await _dynamicsController.queryFollowDynamic();
-        },
+        onRefresh: () => _dynamicsController.onRefresh(),
         child: CustomScrollView(
           controller: _dynamicsController.scrollController,
           slivers: [

lib/pages/main/view.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:pilipala/pages/dynamics/index.dart';
 import 'package:pilipala/pages/home/index.dart';
 import 'package:pilipala/pages/hot/index.dart';
 import './controller.dart';
@@ -15,6 +16,8 @@ class _MainAppState extends State<MainApp> with SingleTickerProviderStateMixin {
   final MainController _mainController = Get.put(MainController());
   final HomeController _homeController = Get.put(HomeController());
   final HotController _hotController = Get.put(HotController());
+  final DynamicsController _dynamicController = Get.put(DynamicsController());
+
   PageController? _pageController;
 
   late AnimationController? _animationController;
@@ -82,6 +85,22 @@ class _MainAppState extends State<MainApp> with SingleTickerProviderStateMixin {
     } else {
       _hotController.flag = false;
     }
+
+    if (currentPage is DynamicsPage) {
+      if (_dynamicController.flag) {
+        // 单击返回顶部 双击并刷新
+        if (DateTime.now().millisecondsSinceEpoch - _lastSelectTime! < 500) {
+          _dynamicController.onRefresh();
+        } else {
+          await Future.delayed(const Duration(microseconds: 300));
+          _dynamicController.animateToTop();
+        }
+        _lastSelectTime = DateTime.now().millisecondsSinceEpoch;
+      }
+      _dynamicController.flag = true;
+    } else {
+      _dynamicController.flag = false;
+    }
   }
 
   @override