settings/about use nav bar area

lib/widgets/about/about_page.dart

@@ -2,7 +2,9 @@ import 'package:aves/widgets/about/app_ref.dart';
 import 'package:aves/widgets/about/bug_report.dart';
 import 'package:aves/widgets/about/credits.dart';
 import 'package:aves/widgets/about/licenses.dart';
+import 'package:aves/widgets/common/basic/insets.dart';
 import 'package:aves/widgets/common/extensions/build_context.dart';
+import 'package:aves/widgets/common/providers/media_query_data_provider.dart';
 import 'package:flutter/material.dart';
 
 class AboutPage extends StatelessWidget {
@@ -12,11 +14,14 @@ class AboutPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return MediaQueryDataProvider(
+      child: Scaffold(
         appBar: AppBar(
           title: Text(context.l10n.aboutPageTitle),
         ),
-      body: SafeArea(
+        body: GestureAreaProtectorStack(
+          child: SafeArea(
+            bottom: false,
             child: CustomScrollView(
               slivers: [
                 SliverPadding(
@@ -35,9 +40,12 @@ class AboutPage extends StatelessWidget {
                   ),
                 ),
                 const Licenses(),
+                const BottomPaddingSliver(),
               ],
             ),
           ),
+        ),
+      ),
     );
   }
 }

lib/widgets/aves_app.dart

@@ -200,6 +200,8 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
 
   // save IDs of entries visible at the top of the collection page with current layout settings
   void _saveTopEntries() {
+    if (!settings.initialized) return;
+
     final stopwatch = Stopwatch()..start();
     final screenSize = window.physicalSize / window.devicePixelRatio;
     var tileExtent = settings.getTileExtent(CollectionPage.routeName);

lib/widgets/settings/settings_page.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:math';
 import 'dart:typed_data';
 
 import 'package:aves/model/actions/settings_actions.dart';
@@ -8,8 +9,10 @@ import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/durations.dart';
 import 'package:aves/theme/icons.dart';
 import 'package:aves/widgets/common/action_mixins/feedback.dart';
+import 'package:aves/widgets/common/basic/insets.dart';
 import 'package:aves/widgets/common/basic/menu.dart';
 import 'package:aves/widgets/common/extensions/build_context.dart';
+import 'package:aves/widgets/common/extensions/media_query.dart';
 import 'package:aves/widgets/common/providers/media_query_data_provider.dart';
 import 'package:aves/widgets/settings/accessibility/accessibility.dart';
 import 'package:aves/widgets/settings/app_export/items.dart';
@@ -72,17 +75,22 @@ class _SettingsPageState extends State<SettingsPage> with FeedbackMixin {
             ),
           ],
         ),
-        body: Theme(
+        body: GestureAreaProtectorStack(
+          child: SafeArea(
+            bottom: false,
+            child: Theme(
               data: theme.copyWith(
                 textTheme: theme.textTheme.copyWith(
                   // dense style font for tile subtitles, without modifying title font
                   bodyText2: const TextStyle(fontSize: 12),
                 ),
               ),
-          child: SafeArea(
               child: AnimationLimiter(
-              child: ListView(
+                child: Selector<MediaQueryData, double>(
-                padding: const EdgeInsets.all(8),
+                    selector: (context, mq) => max(mq.effectiveBottomPadding, mq.systemGestureInsets.bottom),
+                    builder: (context, mqPaddingBottom, child) {
+                      return ListView(
+                        padding: const EdgeInsets.all(8) + EdgeInsets.only(bottom: mqPaddingBottom),
                         children: AnimationConfiguration.toStaggeredList(
                           duration: durations.staggeredAnimation,
                           delay: durations.staggeredAnimationDelay * timeDilation,
@@ -103,6 +111,8 @@ class _SettingsPageState extends State<SettingsPage> with FeedbackMixin {
                             LanguageSection(expandedNotifier: _expandedNotifier),
                           ],
                         ),
+                      );
+                    }),
               ),
             ),
           ),

lib/widgets/viewer/info/info_page.dart

@@ -57,7 +57,8 @@ class _InfoPageState extends State<InfoPage> {
                   return ValueListenableBuilder<AvesEntry?>(
                     valueListenable: widget.entryNotifier,
                     builder: (context, mainEntry, child) {
-                      if (mainEntry != null) {
+                      if (mainEntry == null) return const SizedBox();
+
                       Widget _buildContent({AvesEntry? pageEntry}) {
                         final targetEntry = pageEntry ?? mainEntry;
                         return EmbeddedDataOpener(
@@ -79,8 +80,6 @@ class _InfoPageState extends State<InfoPage> {
                               builder: (pageEntry) => _buildContent(pageEntry: pageEntry),
                             )
                           : _buildContent();
-                      }
-                      return const SizedBox();
                     },
                   );
                 },