refactored HTTP error handling and streamlined UI components by centralizing shared logic and removing redundant parameters

lib/widget/async_actions/async_dialog_action.dart

@@ -5,14 +5,12 @@ class AsyncDialogAction extends StatefulWidget {
   final AsyncActionCallback onConfirm;
   final String? cancelLabel;
   final AsyncErrorBuilder? errorBuilder;
-  final ButtonStyle? confirmStyle;
 
   const AsyncDialogAction({
     required this.confirmLabel,
     required this.onConfirm,
     this.cancelLabel = 'Abbrechen',
     this.errorBuilder,
-    this.confirmStyle,
     super.key,
   });
 
@@ -58,7 +56,6 @@ class _AsyncDialogActionState extends State<AsyncDialogAction> {
                   child: Text(widget.cancelLabel!),
                 ),
               TextButton(
-                style: widget.confirmStyle,
                 onPressed: _controller.busy
                     ? null
                     : () async {

lib/widget/avatar_actions_sheet.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 
 import '../routing/app_routes.dart';
+import 'details_bottom_sheet.dart';
 import 'file_pick.dart';
 
 /// Result of the user's choice inside [showAvatarActionsSheet]. The sheet
@@ -32,69 +33,50 @@ Future<AvatarSheetResult?> showAvatarActionsSheet(
   required bool allowRemove,
 }) async {
   AvatarSheetResult? result;
-  await showModalBottomSheet<void>(
-    context: context,
-    isScrollControlled: true,
-    showDragHandle: true,
-    useSafeArea: true,
-    builder: (sheetContext) => SafeArea(
-      child: SingleChildScrollView(
-        padding: EdgeInsets.only(
-          bottom: 16 + MediaQuery.viewInsetsOf(sheetContext).bottom,
-        ),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.stretch,
-          children: [
-            ListTile(
-              leading: const Icon(Icons.photo_library_outlined),
-              title: const Text('Aus Galerie wählen'),
-              onTap: () async {
-                final bytes = await _pickAndCrop(
-                  sheetContext,
-                  FilePick.singleGalleryPick,
-                );
-                if (bytes == null || !sheetContext.mounted) return;
-                result = AvatarUploadResult(bytes);
-                Navigator.of(sheetContext).pop();
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.photo_camera_outlined),
-              title: const Text('Foto aufnehmen'),
-              onTap: () async {
-                final bytes = await _pickAndCrop(
-                  sheetContext,
-                  FilePick.cameraPick,
-                );
-                if (bytes == null || !sheetContext.mounted) return;
-                result = AvatarUploadResult(bytes);
-                Navigator.of(sheetContext).pop();
-              },
-            ),
-            if (allowRemove) ...[
-              const Divider(),
-              ListTile(
-                leading: Icon(
-                  Icons.delete_outline,
-                  color: Theme.of(sheetContext).colorScheme.error,
-                ),
-                title: Text(
-                  'Profilbild entfernen',
-                  style: TextStyle(
-                    color: Theme.of(sheetContext).colorScheme.error,
-                  ),
-                ),
-                onTap: () {
-                  result = const AvatarRemoveResult();
-                  Navigator.of(sheetContext).pop();
-                },
-              ),
-            ],
-          ],
-        ),
+  await showDetailsBottomSheet(
+    context,
+    children: (sheetContext) => [
+      ListTile(
+        leading: const Icon(Icons.photo_library_outlined),
+        title: const Text('Aus Galerie wählen'),
+        onTap: () async {
+          final bytes = await _pickAndCrop(
+            sheetContext,
+            FilePick.singleGalleryPick,
+          );
+          if (bytes == null || !sheetContext.mounted) return;
+          result = AvatarUploadResult(bytes);
+          Navigator.of(sheetContext).pop();
+        },
       ),
-    ),
+      ListTile(
+        leading: const Icon(Icons.photo_camera_outlined),
+        title: const Text('Foto aufnehmen'),
+        onTap: () async {
+          final bytes = await _pickAndCrop(sheetContext, FilePick.cameraPick);
+          if (bytes == null || !sheetContext.mounted) return;
+          result = AvatarUploadResult(bytes);
+          Navigator.of(sheetContext).pop();
+        },
+      ),
+      if (allowRemove) ...[
+        const Divider(),
+        ListTile(
+          leading: Icon(
+            Icons.delete_outline,
+            color: Theme.of(sheetContext).colorScheme.error,
+          ),
+          title: Text(
+            'Profilbild entfernen',
+            style: TextStyle(color: Theme.of(sheetContext).colorScheme.error),
+          ),
+          onTap: () {
+            result = const AvatarRemoveResult();
+            Navigator.of(sheetContext).pop();
+          },
+        ),
+      ],
+    ],
   );
   return result;
 }

lib/widget/chat_background_picker_sheet.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 
 import '../routing/app_routes.dart';
+import 'details_bottom_sheet.dart';
 import 'file_pick.dart';
 
 /// Bottom sheet with "from gallery" and "take photo" actions for choosing a
@@ -13,44 +14,30 @@ import 'file_pick.dart';
 /// cancelled everything.
 Future<Uint8List?> showChatBackgroundPickerSheet(BuildContext context) async {
   Uint8List? result;
-  await showModalBottomSheet<void>(
-    context: context,
-    isScrollControlled: true,
-    showDragHandle: true,
-    useSafeArea: true,
-    builder: (sheetContext) => SafeArea(
-      child: SingleChildScrollView(
-        padding: EdgeInsets.only(
-          bottom: 16 + MediaQuery.viewInsetsOf(sheetContext).bottom,
-        ),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.stretch,
-          children: [
-            ListTile(
-              leading: const Icon(Icons.photo_library_outlined),
-              title: const Text('Aus Galerie wählen'),
-              onTap: () async {
-                final bytes = await _pickRaw(FilePick.singleGalleryPick);
-                if (bytes == null || !sheetContext.mounted) return;
-                result = bytes;
-                Navigator.of(sheetContext).pop();
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.photo_camera_outlined),
-              title: const Text('Foto aufnehmen'),
-              onTap: () async {
-                final bytes = await _pickRaw(FilePick.cameraPick);
-                if (bytes == null || !sheetContext.mounted) return;
-                result = bytes;
-                Navigator.of(sheetContext).pop();
-              },
-            ),
-          ],
-        ),
+  await showDetailsBottomSheet(
+    context,
+    children: (sheetContext) => [
+      ListTile(
+        leading: const Icon(Icons.photo_library_outlined),
+        title: const Text('Aus Galerie wählen'),
+        onTap: () async {
+          final bytes = await _pickRaw(FilePick.singleGalleryPick);
+          if (bytes == null || !sheetContext.mounted) return;
+          result = bytes;
+          Navigator.of(sheetContext).pop();
+        },
       ),
-    ),
+      ListTile(
+        leading: const Icon(Icons.photo_camera_outlined),
+        title: const Text('Foto aufnehmen'),
+        onTap: () async {
+          final bytes = await _pickRaw(FilePick.cameraPick);
+          if (bytes == null || !sheetContext.mounted) return;
+          result = bytes;
+          Navigator.of(sheetContext).pop();
+        },
+      ),
+    ],
   );
   return result;
 }

lib/widget/debug/cache_view.dart

@@ -33,7 +33,6 @@ class CacheView extends StatefulWidget {
 }
 
 class _CacheViewState extends State<CacheView> {
-  final Localstore storage = Localstore.instance;
   late Future<Map<String, dynamic>?> files;
 
   @override

lib/widget/debug/debug_tile.dart

@@ -15,8 +15,7 @@ class DebugTile {
       context.read<SettingsCubit>().val().devToolsEnabled &&
       (onlyInDebug ? kDebugMode : true);
 
-  Widget jsonData(Map<String, dynamic> data, {bool ignoreConfig = false}) =>
-      callback(
+  Widget jsonData(Map<String, dynamic> data) => callback(
         title: 'JSON daten anzeigen',
         onTab: () => JsonViewer.asDialog(context, data),
       );

lib/widget/debug/json_viewer.dart

@@ -4,21 +4,7 @@ import 'package:flutter/material.dart';
 
 import '../../utils/clipboard_helper.dart';
 
-class JsonViewer extends StatelessWidget {
-  final String title;
-  final Map<String, dynamic> data;
-
-  const JsonViewer({super.key, required this.title, required this.data});
-
-  @override
-  Widget build(BuildContext context) => Scaffold(
-    appBar: AppBar(title: Text(title)),
-    body: SingleChildScrollView(
-      scrollDirection: Axis.vertical,
-      child: Text(format(data)),
-    ),
-  );
-
+class JsonViewer {
   static final _encoder = const JsonEncoder.withIndent('  ');
 
   static String format(Map<String, dynamic> jsonInput) =>