优化话题列表AppBar显示

lib/main.dart

@@ -22,7 +22,10 @@ import 'package:akuCommunity/utils/headers.dart';
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   SystemChrome.setSystemUIOverlayStyle(
-    SystemUiOverlayStyle(statusBarColor: Colors.transparent),
+    SystemUiOverlayStyle(
+      statusBarColor: Colors.transparent,
+      systemNavigationBarColor: Colors.white,
+    ),
   );
   JPush jpush = new JPush();
   jpush.addEventHandler(

lib/pages/setting_page/agreement_page/agreement_page.dart

@@ -15,13 +15,7 @@ class _AgreementPageState extends State<AgreementPage> {
       title: '用户协议',
       body: SingleChildScrollView(
         padding: EdgeInsets.all(16.w),
-        child: Column(
-          children: [
-            Text(
-              '《用户协议》',
-              style: TextStyle(fontWeight: FontWeight.w600, fontSize: 35.w),
-            ),
-            Text(
+        child: Text(
           '''
 欢迎您使用“小蜜蜂智慧社区”APP软件及服务！
 为使用“小蜜蜂智慧社区”APP软件（以下简称“许可软件”）及服务，您应当阅读并遵守《用户协议》（以下简称“本协议”）。请您务必审慎阅读、充分理解各条款内容，特别是免除或者限制责任的条款，以及开通或使用某项服务的单独协议，并选择接受或不接受。限制、免责条款可能以加粗形式提示您注意。
@@ -225,8 +219,6 @@ class _AgreementPageState extends State<AgreementPage> {
             fontSize: 30.w,
           ),
         ),
-          ],
-        ),
       ),
     );
   }

lib/pages/setting_page/agreement_page/privacy_page.dart

@@ -16,13 +16,7 @@ class _PrivacyPageState extends State<PrivacyPage> {
       title: '隐私政策',
       body: SingleChildScrollView(
         padding: EdgeInsets.all(16.sp),
-        child: Column(
-          children: [
-            Text(
-              '小蜜蜂智慧社区隐私政策',
-              style: TextStyle(fontWeight: FontWeight.w600, fontSize: 35.w),
-            ),
-            Text(
+        child: Text(
           '''
 小蜜蜂智慧社区APP是由深圳市凯达来科技有限公司提供的一款智慧社区APP，为用户提供更好、更优、更个性化的服务是我们坚持不懈的追求，也希望通过我们提供的服务可以更方便您的生活。依据法律的规定，我们将在特定情形下收集、使用、保存和披露您的个人信息。以下条款描述了我们如何收集、使用、保存和披露您的个人信息。
 本政策将帮助您了解以下内容，请根据以下目录阅读相应章节：
@@ -128,8 +122,6 @@ class _PrivacyPageState extends State<PrivacyPage> {
             fontSize: 30.w,
           ),
         ),
-          ],
-        ),
       ),
     );
   }

lib/pages/tab_navigator.dart

@@ -99,6 +99,7 @@ class _TabNavigatorState extends State<TabNavigator>
       bottomNavigationBar: StatefulBuilder(builder: (context, setFunc) {
         return BottomNavigationBar(
           items: _bottomNav,
+          backgroundColor: Colors.white,
           currentIndex: _currentIndex,
           selectedFontSize: 20.sp,
           unselectedFontSize: 20.sp,

lib/ui/community/community_views/topic/topic_detail_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
 import 'package:flutter_easyrefresh/easy_refresh.dart';
 import 'package:get/get.dart';
@@ -31,7 +32,9 @@ class _TopicDetailPageState extends State<TopicDetailPage> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return AnnotatedRegion<SystemUiOverlayStyle>(
+      value: SystemUiOverlayStyle.light,
+      child: Scaffold(
         floatingActionButton: FloatingActionButton(
           heroTag: 'event_add',
           onPressed: () async {
@@ -83,6 +86,7 @@ class _TopicDetailPageState extends State<TopicDetailPage> {
             );
           },
         ),
+      ),
     );
   }
 }

lib/ui/community/community_views/topic/topic_sliver_header.dart

@@ -26,7 +26,7 @@ class TopicSliverHeader extends SliverPersistentHeaderDelegate {
       top: 0,
       bottom: 0,
       child: Material(
-        color: Colors.white.withOpacity(0 + 0.5 * _offset(shrinkOffset)),
+        color: Colors.black.withOpacity(0 + 0.5 * _offset(shrinkOffset)),
       ),
     );
   }
@@ -35,7 +35,7 @@ class TopicSliverHeader extends SliverPersistentHeaderDelegate {
     return Positioned(
       left: 0,
       top: ScreenUtil().statusBarHeight,
-      child: BeeBackButton().material(
+      child: BeeBackButton(color: Colors.white).material(
         color: Colors.transparent,
         clipBehavior: Clip.antiAlias,
         borderRadius: BorderRadius.circular(24),
@@ -47,7 +47,7 @@ class TopicSliverHeader extends SliverPersistentHeaderDelegate {
     return Positioned(
       bottom: 202.w - 195.w * _filterOffset(shrinkOffset),
       left: 32.w + (95.w - 32.w) * _offset(shrinkOffset),
-      child: '#$title'.text.bold.size(52.sp).make(),
+      child: '#$title'.text.bold.white.size(52.sp).make(),
     );
   }
 
@@ -57,7 +57,15 @@ class TopicSliverHeader extends SliverPersistentHeaderDelegate {
       left: 32.w,
       child: Opacity(
         opacity: 1 - _offset(shrinkOffset),
-        child: subTitle.text.size(24.sp).make(),
+        child: SizedBox(
+          width: 500.w,
+          child: subTitle.text
+              .size(24.sp)
+              .maxLines(2)
+              .white
+              .overflow(TextOverflow.ellipsis)
+              .make(),
+        ),
       ),
     );
   }
@@ -78,6 +86,13 @@ class TopicSliverHeader extends SliverPersistentHeaderDelegate {
               fit: BoxFit.cover,
             ),
           ),
+          Positioned(
+            left: 0,
+            right: 0,
+            top: 0,
+            bottom: 0,
+            child: Material(color: Colors.black.withOpacity(0.4)),
+          ),
           _buildOverlay(shrinkOffset),
           _buildBackButton(),
           _buildTitle(shrinkOffset),