feat:首页Tab进行懒加载

Tecode · Aug 21, 2024 · 1fbf0e7 · 1fbf0e7
1 parent 1b12232
commit 1fbf0e7
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 11 deletions.
diff --git a/lib/containers/discovery.dart b/lib/containers/discovery.dart
@@ -158,22 +158,23 @@ class _DiscoveryState extends State<Discovery> with AutomaticKeepAliveClientMixi
                             const opacityCurve = Interval(0.0, 0.75, curve: Curves.fastOutSlowIn);
                             // 过渡动画
                             return AnimatedBuilder(
-                                animation: animation,
-                                builder: (BuildContext context, Widget? child) => Opacity(
-                                      opacity: opacityCurve.transform(animation.value),
-                                      child: DiscoveryDetail(
-                                        tag: '$index TAG${data.imgId}',
-                                        url: data.url,
-                                      ),
-                                    ));
+                              animation: animation,
+                              builder: (BuildContext context, Widget? child) => Opacity(
+                                opacity: opacityCurve.transform(animation.value),
+                                child: DiscoveryDetail(
+                                  tag: '$index TAG${data.imgId}',
+                                  url: data.url,
+                                ),
+                              ),
+                            );
                           }),
                         ),
                         behavior: HitTestBehavior.opaque,
                         child: FadeInImage.assetNetwork(
                           placeholder: 'assets/images/loading.gif',
                           image: data.url,
-                          imageCacheWidth: 80,
                           fit: BoxFit.cover,
+                          imageCacheWidth: 80,
                         ),
                       ),
                     );

diff --git a/lib/containers/entrance.dart b/lib/containers/entrance.dart
@@ -42,10 +42,12 @@ class _EntranceState extends State<Entrance> {
   int activeIndex = 0;
   final UniLinksType _type = UniLinksType.string;
   late StreamSubscription _sub;
+  late PageController controller;
 
   @override
   void initState() {
     super.initState();
+    controller = PageController(initialPage: activeIndex);
     //  scheme初始化，保证有上下文，需要跳转页面
     initPlatformState();
   }
@@ -98,8 +100,9 @@ class _EntranceState extends State<Entrance> {
         child: Column(
           children: <Widget>[
             Expanded(
-              child: IndexedStack(
-                index: activeIndex,
+              child: PageView(
+                controller: controller,
+                physics: const NeverScrollableScrollPhysics(),
                 children: <Widget>[
                   const Home(),
                   const Discovery(),
@@ -115,6 +118,7 @@ class _EntranceState extends State<Entrance> {
               activeKey: Entrance.navList[activeIndex]['key'] as String,
               onChange: (int index) => setState(() {
                 activeIndex = index;
+                controller.jumpToPage(index);
               }),
             ),
           ],