鸿蒙 白屏问题

lib/app/app.dart

@@ -1,15 +1,16 @@
 /// ============================================================
 /// 闲言APP — 应用根组件
 /// 创建时间: 2026-04-20
-/// 更新时间: 2026-05-14
+/// 更新时间: 2026-05-18
 /// 作用: MaterialApp.router + Riverpod 主题管理 + GlassTheme + flutter_animate
-/// 上次更新: 修复锁屏久解锁卡死 — resumed分支使用Future.microtask防阻塞+try-catch保护
+/// 上次更新: v6.0 添加OHOS调试日志+ErrorBoundary防白屏
 /// ============================================================
 
 import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/gestures.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
@@ -24,8 +25,23 @@ import '../core/router/app_router.dart';
 import '../core/services/device/app_lock_service.dart';
 import '../core/theme/app_theme.dart';
 import '../core/utils/logger.dart';
+import '../core/utils/platform_utils.dart' as pu;
 import '../features/settings/providers/theme_settings_provider.dart';
 import '../features/settings/presentation/font_management_page.dart';
+import '../shared/widgets/app_error_boundary.dart';
+
+class AppScrollBehavior extends MaterialScrollBehavior {
+  const AppScrollBehavior();
+
+  @override
+  Set<PointerDeviceKind> get dragDevices => {
+    PointerDeviceKind.touch,
+    PointerDeviceKind.mouse,
+    PointerDeviceKind.stylus,
+    PointerDeviceKind.invertedStylus,
+    PointerDeviceKind.trackpad,
+  };
+}
 
 class XianyanApp extends ConsumerStatefulWidget {
   const XianyanApp({super.key});
@@ -77,6 +93,14 @@ class _XianyanAppState extends ConsumerState<XianyanApp>
     final settings = ref.watch(themeSettingsProvider);
     final fontState = ref.watch(fontManagementProvider);
 
+    if (pu.isOhos) {
+      Log.i(
+        'XianyanApp build: isDark=${settings.isDark} themeMode=${settings.themeMode} '
+        'accent=${settings.accentColorId} glass=${settings.glassIntensityId} '
+        'anim=${settings.animationIntensityId} font=${settings.fontStyleId}',
+      );
+    }
+
     Animate.defaultDuration = settings.animationEnabled
         ? Duration(
             milliseconds: (300 * settings.animationIntensity.durationMultiplier)
@@ -154,6 +178,7 @@ class _XianyanAppState extends ConsumerState<XianyanApp>
           child: MaterialApp.router(
             title: '闲言',
             debugShowCheckedModeBanner: false,
+            scrollBehavior: const AppScrollBehavior(),
 
             localizationsDelegates: const [
               GlobalMaterialLocalizations.delegate,
@@ -175,16 +200,18 @@ class _XianyanAppState extends ConsumerState<XianyanApp>
               final isDark = settings.isDark;
               return AnnotatedRegion<SystemUiOverlayStyle>(
                 value: SystemUiOverlayStyle(
-                  statusBarColor: Colors.black,
+                  statusBarColor: Colors.transparent,
                   statusBarIconBrightness: isDark
                       ? Brightness.light
                       : Brightness.dark,
                   statusBarBrightness: isDark
                       ? Brightness.dark
                       : Brightness.light,
-                  systemNavigationBarColor: Colors.black,
-                  systemNavigationBarIconBrightness: Brightness.light,
-                  systemNavigationBarDividerColor: Colors.black,
+                  systemNavigationBarColor: Colors.transparent,
+                  systemNavigationBarIconBrightness: isDark
+                      ? Brightness.light
+                      : Brightness.dark,
+                  systemNavigationBarDividerColor: Colors.transparent,
                 ),
                 child: MediaQuery(
                   data: MediaQuery.of(
@@ -192,7 +219,9 @@ class _XianyanAppState extends ConsumerState<XianyanApp>
                   ).copyWith(textScaler: TextScaler.noScaling),
                   child: DefaultTextStyle(
                     style: const TextStyle(),
-                    child: botWidget,
+                    child: pu.isOhos
+                        ? AppErrorBoundary(label: 'RootApp', child: botWidget)
+                        : botWidget,
                   ),
                 ),
               );