iOS中未安装微信App时，设置界面不显示"在线客服"

lib/bloc/setting/setting_cubit.dart

@@ -11,21 +11,25 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 class SettingState extends Equatable {
   final String h5Version;
+  final bool wechatInstalled;
 
   const SettingState({
     this.h5Version = '',
+    this.wechatInstalled = false,
   });
 
   SettingState copyWith({
     String? h5Version,
+    bool? wechatInstalled,
   }) {
     return SettingState(
       h5Version: h5Version ?? this.h5Version,
+      wechatInstalled: wechatInstalled ?? this.wechatInstalled,
     );
   }
 
   @override
-  List<Object?> get props => [h5Version];
+  List<Object?> get props => [h5Version, wechatInstalled];
 }
 
 class SettingCubit extends Cubit<SettingState> {
@@ -38,6 +42,7 @@ class SettingCubit extends Cubit<SettingState> {
 
   void _init() {
     _readH5ShowVersion();
+    _checkWechat();
   }
 
   void _readH5ShowVersion() {
@@ -45,6 +50,13 @@ class SettingCubit extends Cubit<SettingState> {
     emit(state.copyWith(h5Version: h5Version));
   }
 
+  // 微信安装检测
+  void _checkWechat() {
+    _fluwx.isWeChatInstalled.then((value) {
+      emit(state.copyWith(wechatInstalled: value));
+    });
+  }
+
   /// 跳转客服（微信小程序）
   void goCs() {
     _fluwx.open(

lib/ui/pages/setting/setting_page.dart

+import 'dart:io';
+
 import 'package:appframe/bloc/setting/setting_cubit.dart';
 import 'package:appframe/config/constant.dart';
 import 'package:appframe/config/env_config.dart';
@@ -16,6 +18,33 @@ class SettingPage extends StatelessWidget {
         builder: (context, state) {
           final settingCubit = context.read<SettingCubit>();
 
+          var customerService = Platform.isAndroid || state.wechatInstalled
+              ? [
+                  Card(
+                    margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(6),
+                    ),
+                    child: Column(
+                      children: [
+                        ListTile(
+                          leading: const Icon(Icons.headset_mic, size: 20),
+                          title: const Text('在线客服', style: TextStyle(fontSize: 14)),
+                          onTap: () {
+                            settingCubit.goCs();
+                          },
+                          contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
+                          trailing: const Icon(Icons.arrow_forward_ios, size: 14),
+                          dense: true,
+                          visualDensity: VisualDensity.compact,
+                        ),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                ]
+              : [];
+
           return Scaffold(
             appBar: AppBar(
               title: const Text('设置', style: TextStyle(color: Colors.white, fontSize: 18)),
@@ -129,28 +158,7 @@ class SettingPage extends StatelessWidget {
                           ),
                         ),
                         const SizedBox(height: 8),
-                        Card(
-                          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
-                          shape: RoundedRectangleBorder(
-                            borderRadius: BorderRadius.circular(6),
-                          ),
-                          child: Column(
-                            children: [
-                              ListTile(
-                                leading: const Icon(Icons.headset_mic, size: 20),
-                                title: const Text('在线客服', style: TextStyle(fontSize: 14)),
-                                onTap: () {
-                                  settingCubit.goCs();
-                                },
-                                contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
-                                trailing: const Icon(Icons.arrow_forward_ios, size: 14),
-                                dense: true,
-                                visualDensity: VisualDensity.compact,
-                              ),
-                            ],
-                          ),
-                        ),
-                        const SizedBox(height: 8),
+                        ...customerService,
                         Card(
                           margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
                           shape: RoundedRectangleBorder(