feat: 搜索页的数据，缺省页

lib/root/root_page.dart

@@ -21,47 +21,51 @@ class RootPage extends StatefulWidget {
 }
 
 class _RootPageState extends State<RootPage> {
-
   final _pageController = PageController();
-  final List<Widget> _pages = [
-    NovyKeepAlive(child: FirstPage()),
-    NovyKeepAlive(child: PlayPage()),
-    CollectionPage(),
-    NovyKeepAlive(child: MyPage()),
-  ];
+  int _currentIndex = 0;
 
   @override
   Widget build(BuildContext context) {
+    final pages = [
+      NovyKeepAlive(child: FirstPage()),
+      NovyKeepAlive(child: PlayPage(isActive: _currentIndex == 1)),
+      CollectionPage(),
+      NovyKeepAlive(child: MyPage()),
+    ];
+
     return Scaffold(
       body: Stack(
         children: [
           PageView(
             physics: const NeverScrollableScrollPhysics(),
             controller: _pageController,
-            children: _pages,
+            children: pages,
           ),
           Positioned(
-            left: 0, right: 0, bottom: 0,
+            left: 0,
+            right: 0,
+            bottom: 0,
             child: SafeArea(
               top: false,
               child: AppBottomView(
                 onSelectedIndex: (index) {
+                  setState(() {
+                    _currentIndex = index;
+                  });
                   _pageController.jumpToPage(index);
                 },
               ),
             ),
-          )
+          ),
         ],
-      )
+      ),
     );
   }
 }
 
 /// 底部tabbar
 class AppBottomView extends StatefulWidget {
-  const AppBottomView({super.key,
-    required this.onSelectedIndex,
-  });
+  const AppBottomView({super.key, required this.onSelectedIndex});
 
   final Function(int) onSelectedIndex;
 
@@ -72,14 +76,17 @@ class AppBottomView extends StatefulWidget {
 }
 
 class _AppBottomViewState extends State<AppBottomView> {
-
   final List<String> _unselectedIcons = [
-    ConstImage.btHomeUnsel, ConstImage.btPlayUnsel,
-    ConstImage.btCollectUnsel, ConstImage.btMineUnsel
+    ConstImage.btHomeUnsel,
+    ConstImage.btPlayUnsel,
+    ConstImage.btCollectUnsel,
+    ConstImage.btMineUnsel,
   ];
   final List<String> _selectedIcons = [
-    ConstImage.btHomeSel, ConstImage.btPlaySel,
-    ConstImage.btCollectSel, ConstImage.btMineSel
+    ConstImage.btHomeSel,
+    ConstImage.btPlaySel,
+    ConstImage.btCollectSel,
+    ConstImage.btMineSel,
   ];
   final List<String> _titles = ['Home', 'Play', 'Collect', 'Me'];
   int _currentIndex = 0;
@@ -92,38 +99,45 @@ class _AppBottomViewState extends State<AppBottomView> {
       padding: const EdgeInsets.symmetric(horizontal: 16),
       child: Stack(
         children: [
-          Opacity(opacity: 0.9,
-            child: ImageFiltered(imageFilter: ImageFilter.blur(sigmaX: 1),
-              child: HelpImage.asset(ConstImage.appBottom,
-                width: AppScreen.screenWidth-32, height: _height,
+          Opacity(
+            opacity: 0.9,
+            child: ImageFiltered(
+              imageFilter: ImageFilter.blur(sigmaX: 1),
+              child: HelpImage.asset(
+                ConstImage.appBottom,
+                width: AppScreen.screenWidth - 32,
+                height: _height,
                 fit: BoxFit.fill,
               ),
             ),
           ),
 
           Positioned.fill(
-            child: Padding(padding: const EdgeInsets.symmetric(horizontal: 10),
+            child: Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 10),
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceAround,
                 children: List.generate(_unselectedIcons.length, (index) {
-                  return _buildTabItem(_titles[index], index, onTap: () {
-                    setState(() {
-                      _currentIndex = index;
-                    });
-                    widget.onSelectedIndex(index);
-
-                  });
+                  return _buildTabItem(
+                    _titles[index],
+                    index,
+                    onTap: () {
+                      setState(() {
+                        _currentIndex = index;
+                      });
+                      widget.onSelectedIndex(index);
+                    },
+                  );
                 }),
               ),
             ),
-          )
+          ),
         ],
       ),
     );
   }
 
-  _aaaa(){
-
+  _aaaa() {
     return ClipRRect(
       borderRadius: BorderRadius.circular(12),
       child: BackdropFilter(
@@ -131,10 +145,7 @@ class _AppBottomViewState extends State<AppBottomView> {
         child: Container(
           color: Colors.white.withOpacity(0.1),
           child: const Center(
-            child: Text(
-              '毛玻璃效果',
-              style: TextStyle(color: Colors.white),
-            ),
+            child: Text('毛玻璃效果', style: TextStyle(color: Colors.white)),
           ),
         ),
       ),
@@ -142,20 +153,23 @@ class _AppBottomViewState extends State<AppBottomView> {
   }
 
   Widget _buildTabItem(String title, int index, {required Function() onTap}) {
-    String icon = _currentIndex == index ? _selectedIcons[index] : _unselectedIcons[index];
-    Color tcolor = _currentIndex == index ? ConstColor.btGreen : ConstColor.btWhite;
+    String icon = _currentIndex == index
+        ? _selectedIcons[index]
+        : _unselectedIcons[index];
+    Color tcolor = _currentIndex == index
+        ? ConstColor.btGreen
+        : ConstColor.btWhite;
     return Container(
-      padding:  const EdgeInsets.symmetric(horizontal: 10, vertical: 7),
-      width: 60, height: 70,
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 7),
+      width: 60,
+      height: 70,
       child: Column(
         children: [
           HelpImage.asset(icon, width: 32, height: 32),
           const SizedBox(height: 2),
-          NovyText(title, fontSize: 11,
-            color: tcolor,
-          )
+          NovyText(title, fontSize: 11, color: tcolor),
         ],
-      )
+      ),
     ).addInkWell(onTap: onTap);
   }
-}
+}