Optimize proxies expansion panel

Fix text error

lib/application.dart

@@ -150,6 +150,7 @@ class ApplicationState extends State<Application> {
                 builder: (lightDynamic, darkDynamic) {
                   _updateSystemColorSchemes(lightDynamic, darkDynamic);
                   return MaterialApp(
+                    debugShowCheckedModeBanner: false,
                     navigatorKey: globalState.navigatorKey,
                     localizationsDelegates: const [
                       AppLocalizations.delegate,
@@ -164,7 +165,6 @@ class ApplicationState extends State<Application> {
                     themeMode: state.themeMode,
                     theme: ThemeData(
                       useMaterial3: true,
-                      fontFamily: '',
                       pageTransitionsTheme: _pageTransitionsTheme,
                       colorScheme: _getAppColorScheme(
                         brightness: Brightness.light,
@@ -174,7 +174,6 @@ class ApplicationState extends State<Application> {
                     ),
                     darkTheme: ThemeData(
                       useMaterial3: true,
-                      fontFamily: '',
                       pageTransitionsTheme: _pageTransitionsTheme,
                       colorScheme: _getAppColorScheme(
                         brightness: Brightness.dark,

lib/clash/core.dart

@@ -96,7 +96,7 @@ class ClashCore {
     final proxiesRawString = proxiesRaw.cast<Utf8>().toDartString();
     return Isolate.run<List<Group>>(() {
       if(proxiesRawString.isEmpty) return [];
-      final proxies = json.decode(proxiesRawString) as Map;
+      final proxies = (json.decode(proxiesRawString) ?? {}) as Map;
       if(proxies.isEmpty) return [];
       final groupNames = [
         UsedProxy.GLOBAL.name,

lib/common/context.dart

@@ -7,8 +7,12 @@ extension BuildContextExtension on BuildContext {
     return findAncestorStateOfType<CommonScaffoldState>();
   }
 
+  Size get appSize{
+    return MediaQuery.of(this).size;
+  }
+
   double get width {
-    return MediaQuery.of(this).size.width;
+    return appSize.width;
   }
 
   ColorScheme get colorScheme => Theme.of(this).colorScheme;

lib/fragments/connections.dart

@@ -198,7 +198,7 @@ class ConnectionItem extends StatelessWidget {
   }
 
   String _getRequestText(Metadata metadata) {
-    var text = "${metadata.network}:://";
+    var text = "${metadata.network}://";
     final ips = [
       metadata.host,
       metadata.destinationIP,

lib/fragments/dashboard/dashboard.dart

@@ -56,7 +56,7 @@ class _DashboardFragmentState extends State<DashboardFragment> {
                   ),
                   GridItem(
                     crossAxisCellCount: isDesktop ? 4 : 6,
-                    child: const IntranetIp(),
+                    child: const IntranetIP(),
                   ),
                 ],
               );

lib/fragments/dashboard/intranet_ip.dart

@@ -5,14 +5,14 @@ import 'package:fl_clash/state.dart';
 import 'package:fl_clash/widgets/widgets.dart';
 import 'package:flutter/material.dart';
 
-class IntranetIp extends StatefulWidget {
-  const IntranetIp({super.key});
+class IntranetIP extends StatefulWidget {
+  const IntranetIP({super.key});
 
   @override
-  State<IntranetIp> createState() => _IntranetIpState();
+  State<IntranetIP> createState() => _IntranetIPState();
 }
 
-class _IntranetIpState extends State<IntranetIp> {
+class _IntranetIPState extends State<IntranetIP> {
   final ipNotifier = ValueNotifier<String>("");
 
   Future<String?> getLocalIpAddress() async {
@@ -45,7 +45,7 @@ class _IntranetIpState extends State<IntranetIp> {
   Widget build(BuildContext context) {
     return CommonCard(
       info: Info(
-        label: appLocalizations.intranetIp,
+        label: appLocalizations.intranetIP,
         iconData: Icons.devices,
       ),
       onPressed: (){

lib/fragments/profiles/add_profile.dart

@@ -91,7 +91,8 @@ class _URLFormDialogState extends State<URLFormDialog> {
           runSpacing: 16,
           children: [
             TextField(
-              maxLines: null,
+              maxLines: 5,
+              minLines: 1,
               controller: urlController,
               decoration: InputDecoration(
                 border: const OutlineInputBorder(),

lib/fragments/profiles/edit_profile.dart

@@ -94,7 +94,8 @@ class _EditProfileState extends State<EditProfile> {
         ListItem(
           title: TextFormField(
             controller: urlController,
-            maxLines: null,
+            maxLines: 5,
+            minLines: 1,
             decoration: InputDecoration(
               border: const OutlineInputBorder(),
               labelText: appLocalizations.url,

lib/fragments/profiles/profiles.dart

@@ -55,7 +55,7 @@ class _ProfilesFragmentState extends State<ProfilesFragment> {
   _updateProfiles() async {
     final updateProfiles = profileItemKeys.map<Future>(
         (key) async => await key.currentState?.updateProfile(false));
-    final result = await Future.wait(updateProfiles);
+    await Future.wait(updateProfiles);
   }
 
   _initScaffoldState() {

lib/fragments/proxies.dart

@@ -1,3 +1,6 @@
+import 'dart:io';
+import 'dart:math';
+
 import 'package:collection/collection.dart';
 import 'package:fl_clash/clash/core.dart';
 import 'package:fl_clash/common/common.dart';
@@ -227,6 +230,17 @@ class ProxiesExpansionPanelFragment extends StatefulWidget {
 
 class _ProxiesExpansionPanelFragmentState
     extends State<ProxiesExpansionPanelFragment> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Selector2<AppState, Config, ProxiesSelectorState>(
@@ -245,7 +259,6 @@ class _ProxiesExpansionPanelFragmentState
           itemBuilder: (_, index) {
             final groupName = state.groupNames[index];
             return ProxyGroupView(
-              key: Key(groupName),
               groupName: groupName,
               type: ProxiesType.expansion,
             );
@@ -277,6 +290,8 @@ class ProxyGroupView extends StatefulWidget {
 
 class _ProxyGroupViewState extends State<ProxyGroupView> {
   var isLock = false;
+  final isBoundaryNotifier = ValueNotifier<bool>(false);
+  var isEnd = false;
 
   String get groupName => widget.groupName;
 
@@ -368,6 +383,32 @@ class _ProxyGroupViewState extends State<ProxyGroupView> {
     );
   }
 
+  Widget _androidExpansionHandle(Widget child) {
+    return NotificationListener<ScrollNotification>(
+      onNotification: (ScrollNotification notification) {
+        if (notification is ScrollEndNotification) {
+          if (notification.metrics.atEdge) {
+            isEnd = notification.metrics.pixels ==
+                notification.metrics.maxScrollExtent;
+            isBoundaryNotifier.value = true;
+          }
+        }
+        return false;
+      },
+      child: Listener(
+        onPointerMove: (details) {
+          double yOffset = details.delta.dy;
+          if (yOffset > 0 && isEnd) {
+            isBoundaryNotifier.value = false;
+          } else if (yOffset < 0 && !isEnd) {
+            isBoundaryNotifier.value = false;
+          }
+        },
+        child: child,
+      ),
+    );
+  }
+
   Widget _buildExpansionGroupView({
     required List<Proxy> proxies,
     required int columns,
@@ -376,6 +417,14 @@ class _ProxyGroupViewState extends State<ProxyGroupView> {
     final sortedProxies = globalState.appController.getSortProxies(
       proxies,
     );
+    final group =
+        globalState.appController.appState.getGroupWithName(groupName)!;
+    final itemHeight = _getItemHeight(proxyCardType);
+    final innerHeight = context.appSize.height - 200;
+    final lines = (sortedProxies.length / columns).ceil();
+    final minLines = innerHeight >= 200 ? (innerHeight / itemHeight).floor() : 3;
+    final hasScrollable = lines > minLines;
+    final height = (itemHeight + 8) * min(lines, minLines) - 8;
     return Selector<Config, Set<String>>(
       selector: (_, config) => config.currentUnfoldSet,
       builder: (_, currentUnfoldSet, __) {
@@ -417,7 +466,7 @@ class _ProxyGroupViewState extends State<ProxyGroupView> {
                           crossAxisAlignment: CrossAxisAlignment.center,
                           children: [
                             Text(
-                              groupName,
+                              group.type.name,
                               style: context.textTheme.labelMedium?.toLight,
                             ),
                             Flexible(
@@ -485,25 +534,69 @@ class _ProxyGroupViewState extends State<ProxyGroupView> {
               right: 8,
             ),
             children: [
-              Grid(
-                mainAxisSpacing: 8,
-                crossAxisSpacing: 8,
-                crossAxisCount: columns,
-                children: [
-                  for (final proxy in sortedProxies)
-                    _currentProxyNameBuilder(
-                      builder: (value) {
-                        return ProxyCard(
-                          style: CommonCardType.filled,
-                          type: proxyCardType,
-                          isSelected: value == proxy.name,
-                          key: ValueKey('$groupName.${proxy.name}'),
-                          proxy: proxy,
-                          groupName: groupName,
-                        );
-                      },
-                    ),
-                ],
+              SizedBox(
+                height: height,
+                child: Platform.isAndroid
+                    ? _androidExpansionHandle(
+                        ValueListenableBuilder(
+                          valueListenable: isBoundaryNotifier,
+                          builder: (_, isBoundary, child) {
+                            return GridView.builder(
+                              physics: isBoundary || !hasScrollable
+                                  ? const NeverScrollableScrollPhysics()
+                                  : const AlwaysScrollableScrollPhysics(),
+                              gridDelegate:
+                                  SliverGridDelegateWithFixedCrossAxisCount(
+                                crossAxisCount: columns,
+                                mainAxisSpacing: 8,
+                                crossAxisSpacing: 8,
+                                mainAxisExtent: _getItemHeight(proxyCardType),
+                              ),
+                              itemCount: sortedProxies.length,
+                              itemBuilder: (_, index) {
+                                final proxy = sortedProxies[index];
+                                return _currentProxyNameBuilder(
+                                    builder: (value) {
+                                  return ProxyCard(
+                                    style: CommonCardType.filled,
+                                    type: proxyCardType,
+                                    isSelected: value == proxy.name,
+                                    key: ValueKey('$groupName.${proxy.name}'),
+                                    proxy: proxy,
+                                    groupName: groupName,
+                                  );
+                                });
+                              },
+                            );
+                          },
+                        ),
+                      )
+                    : GridView.builder(
+                  physics: !hasScrollable
+                      ? const NeverScrollableScrollPhysics()
+                      : const AlwaysScrollableScrollPhysics(),
+                  gridDelegate:
+                  SliverGridDelegateWithFixedCrossAxisCount(
+                    crossAxisCount: columns,
+                    mainAxisSpacing: 8,
+                    crossAxisSpacing: 8,
+                    mainAxisExtent: _getItemHeight(proxyCardType),
+                  ),
+                  itemCount: sortedProxies.length,
+                  itemBuilder: (_, index) {
+                    final proxy = sortedProxies[index];
+                    return _currentProxyNameBuilder(builder: (value) {
+                      return ProxyCard(
+                        style: CommonCardType.filled,
+                        type: proxyCardType,
+                        isSelected: value == proxy.name,
+                        key: ValueKey('$groupName.${proxy.name}'),
+                        proxy: proxy,
+                        groupName: groupName,
+                      );
+                    });
+                  },
+                ),
               ),
             ],
           ),
@@ -512,6 +605,12 @@ class _ProxyGroupViewState extends State<ProxyGroupView> {
     );
   }
 
+  @override
+  void dispose() {
+    super.dispose();
+    isBoundaryNotifier.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Selector2<AppState, Config, ProxyGroupSelectorState>(

lib/fragments/requests.dart

@@ -193,7 +193,7 @@ class RequestItem extends StatelessWidget {
   }
 
   String _getRequestText(Metadata metadata) {
-    var text = "${metadata.network}:://";
+    var text = "${metadata.network}://";
     final ips = [
       metadata.host,
       metadata.destinationIP,

lib/l10n/arb/intl_en.arb

@@ -161,7 +161,6 @@
   "checking": "Checking...",
   "country": "Country",
   "checkError": "Check error",
-  "ipCheckTimeout": "Ip check timeout",
   "search": "Search",
   "allowBypass": "Allow applications to bypass VPN",
   "allowBypassDesc": "Some apps can bypass VPN when turned on",
@@ -173,8 +172,8 @@
   "systemProxyDesc": "Attach HTTP proxy to VpnService",
   "unifiedDelay": "Unified delay",
   "unifiedDelayDesc": "Remove extra delays such as handshaking",
-  "tcpConcurrent": "Tcp concurrent",
-  "tcpConcurrentDesc": "Enabling it will allow tcp concurrency",
+  "tcpConcurrent": "TCP concurrent",
+  "tcpConcurrentDesc": "Enabling it will allow TCP concurrency",
   "geodataLoader": "Geo Low Memory Mode",
   "geodataLoaderDesc": "Enabling will use the Geo low memory loader",
   "requests": "Requests",
@@ -188,7 +187,7 @@
   "connectionsDesc": "View current connection",
   "nullRequestsDesc": "No requests",
   "nullConnectionsDesc": "No connections",
-  "intranetIp": "Intranet IP",
+  "intranetIP": "Intranet IP",
   "view": "View",
   "cut": "Cut",
   "copy": "Copy",

lib/l10n/arb/intl_zh_CN.arb

@@ -161,7 +161,6 @@
   "checking": "检测中...",
   "country": "区域",
   "checkError": "检测失败",
-  "ipCheckTimeout": "Ip检测超时",
   "search": "搜索",
   "allowBypass": "允许应用绕过VPN",
   "allowBypassDesc": "开启后部分应用可绕过VPN",
@@ -174,7 +173,7 @@
   "unifiedDelay": "统一延迟",
   "unifiedDelayDesc": "去除握手等额外延迟",
   "tcpConcurrent": "TCP并发",
-  "tcpConcurrentDesc": "开启后允许tcp并发",
+  "tcpConcurrentDesc": "开启后允许TCP并发",
   "geodataLoader": "Geo低内存模式",
   "geodataLoaderDesc": "开启将使用Geo低内存加载器",
   "requests": "请求",
@@ -188,7 +187,7 @@
   "connectionsDesc": "查看当前连接",
   "nullRequestsDesc": "暂无请求",
   "nullConnectionsDesc": "暂无连接",
-  "intranetIp": "内网 IP",
+  "intranetIP": "内网 IP",
   "view": "查看",
   "cut": "剪切",
   "copy": "复制",

lib/l10n/intl/messages_en.dart

@@ -152,9 +152,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "infiniteTime":
             MessageLookupByLibrary.simpleMessage("Long term effective"),
         "init": MessageLookupByLibrary.simpleMessage("Init"),
-        "intranetIp": MessageLookupByLibrary.simpleMessage("Intranet IP"),
-        "ipCheckTimeout":
-            MessageLookupByLibrary.simpleMessage("Ip check timeout"),
+        "intranetIP": MessageLookupByLibrary.simpleMessage("Intranet IP"),
         "ipv6Desc": MessageLookupByLibrary.simpleMessage(
             "When turned on it will be able to receive IPv6 traffic"),
         "just": MessageLookupByLibrary.simpleMessage("Just"),
@@ -268,9 +266,9 @@ class MessageLookup extends MessageLookupByLibrary {
         "tabAnimation": MessageLookupByLibrary.simpleMessage("Tab animation"),
         "tabAnimationDesc": MessageLookupByLibrary.simpleMessage(
             "When enabled, the home tab will add a toggle animation"),
-        "tcpConcurrent": MessageLookupByLibrary.simpleMessage("Tcp concurrent"),
+        "tcpConcurrent": MessageLookupByLibrary.simpleMessage("TCP concurrent"),
         "tcpConcurrentDesc": MessageLookupByLibrary.simpleMessage(
-            "Enabling it will allow tcp concurrency"),
+            "Enabling it will allow TCP concurrency"),
         "theme": MessageLookupByLibrary.simpleMessage("Theme"),
         "themeColor": MessageLookupByLibrary.simpleMessage("Theme color"),
         "themeDesc": MessageLookupByLibrary.simpleMessage(

lib/l10n/intl/messages_zh_CN.dart

@@ -123,8 +123,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "importFromURL": MessageLookupByLibrary.simpleMessage("从URL导入"),
         "infiniteTime": MessageLookupByLibrary.simpleMessage("长期有效"),
         "init": MessageLookupByLibrary.simpleMessage("初始化"),
-        "intranetIp": MessageLookupByLibrary.simpleMessage("内网 IP"),
-        "ipCheckTimeout": MessageLookupByLibrary.simpleMessage("Ip检测超时"),
+        "intranetIP": MessageLookupByLibrary.simpleMessage("内网 IP"),
         "ipv6Desc": MessageLookupByLibrary.simpleMessage("开启后将可以接收IPv6流量"),
         "just": MessageLookupByLibrary.simpleMessage("刚刚"),
         "language": MessageLookupByLibrary.simpleMessage("语言"),
@@ -217,7 +216,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "tabAnimationDesc":
             MessageLookupByLibrary.simpleMessage("开启后，主页选项卡将添加切换动画"),
         "tcpConcurrent": MessageLookupByLibrary.simpleMessage("TCP并发"),
-        "tcpConcurrentDesc": MessageLookupByLibrary.simpleMessage("开启后允许tcp并发"),
+        "tcpConcurrentDesc": MessageLookupByLibrary.simpleMessage("开启后允许TCP并发"),
         "theme": MessageLookupByLibrary.simpleMessage("主题"),
         "themeColor": MessageLookupByLibrary.simpleMessage("主题色彩"),
         "themeDesc": MessageLookupByLibrary.simpleMessage("设置深色模式，调整色彩"),

lib/l10n/l10n.dart

@@ -1670,16 +1670,6 @@ class AppLocalizations {
     );
   }
 
-  /// `Ip check timeout`
-  String get ipCheckTimeout {
-    return Intl.message(
-      'Ip check timeout',
-      name: 'ipCheckTimeout',
-      desc: '',
-      args: [],
-    );
-  }
-
   /// `Search`
   String get search {
     return Intl.message(
@@ -1790,20 +1780,20 @@ class AppLocalizations {
     );
   }
 
-  /// `Tcp concurrent`
+  /// `TCP concurrent`
   String get tcpConcurrent {
     return Intl.message(
-      'Tcp concurrent',
+      'TCP concurrent',
       name: 'tcpConcurrent',
       desc: '',
       args: [],
     );
   }
 
-  /// `Enabling it will allow tcp concurrency`
+  /// `Enabling it will allow TCP concurrency`
   String get tcpConcurrentDesc {
     return Intl.message(
-      'Enabling it will allow tcp concurrency',
+      'Enabling it will allow TCP concurrency',
       name: 'tcpConcurrentDesc',
       desc: '',
       args: [],
@@ -1941,10 +1931,10 @@ class AppLocalizations {
   }
 
   /// `Intranet IP`
-  String get intranetIp {
+  String get intranetIP {
     return Intl.message(
       'Intranet IP',
-      name: 'intranetIp',
+      name: 'intranetIP',
       desc: '',
       args: [],
     );

pubspec.yaml

@@ -1,7 +1,7 @@
 name: fl_clash
 description: A multi-platform proxy client based on ClashMeta, simple and easy to use, open-source and ad-free.
 publish_to: 'none'
-version: 0.8.28
+version: 0.8.29
 environment:
   sdk: '>=3.1.0 <4.0.0'