refactor: Better future loading dialog without flickering

lib/config/themes.dart

@@ -127,7 +127,7 @@ abstract class FluffyThemes {
       ),
       dialogTheme: DialogTheme(
         shape: RoundedRectangleBorder(
-          borderRadius: BorderRadius.circular(AppConfig.borderRadius / 2),
+          borderRadius: BorderRadius.circular(AppConfig.borderRadius),
         ),
       ),
       snackBarTheme: const SnackBarThemeData(

lib/pages/archive/archive.dart

@@ -2,10 +2,10 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/archive/archive_view.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
 class Archive extends StatefulWidget {

lib/pages/bootstrap/bootstrap_dialog.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/encryption.dart';
 import 'package:matrix/matrix.dart';
 
@@ -12,6 +11,7 @@ import 'package:fluffychat/utils/error_reporter.dart';
 import 'package:fluffychat/utils/fluffy_share.dart';
 import 'package:fluffychat/utils/localized_exception_extension.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../utils/adaptive_bottom_sheet.dart';
 import '../key_verification/key_verification_dialog.dart';
 

lib/pages/chat/chat.dart

@@ -11,7 +11,6 @@ import 'package:desktop_drop/desktop_drop.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:emoji_picker_flutter/emoji_picker_flutter.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:matrix/matrix.dart';
@@ -33,6 +32,7 @@ import 'package:fluffychat/utils/matrix_sdk_extensions/event_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/filtered_timeline_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../utils/account_bundles.dart';
 import '../../utils/localized_exception_extension.dart';

lib/pages/chat/chat_view.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:badges/badges.dart';
 import 'package:desktop_drop/desktop_drop.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/config/themes.dart';
@@ -18,6 +17,7 @@ import 'package:fluffychat/pages/chat/reply_display.dart';
 import 'package:fluffychat/utils/account_config.dart';
 import 'package:fluffychat/widgets/chat_settings_popup_menu.dart';
 import 'package:fluffychat/widgets/connection_status_header.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/mxc_image.dart';
 import 'package:fluffychat/widgets/unread_rooms_badge.dart';

lib/pages/chat/events/message_reactions.dart

@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
 
 import 'package:collection/collection.dart' show IterableExtension;
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/mxc_image.dart';
 

lib/pages/chat/pinned_events.dart

@@ -4,12 +4,12 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/chat/chat.dart';
 import 'package:fluffychat/pages/chat/chat_app_bar_list_tile.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 
 class PinnedEvents extends StatelessWidget {
   final ChatController controller;

lib/pages/chat/send_location_dialog.dart

@@ -4,11 +4,11 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/chat/events/map_bubble.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 
 class SendLocationDialog extends StatefulWidget {
   final Room room;

lib/pages/chat_access_settings/chat_access_settings_controller.dart

@@ -2,11 +2,11 @@ import 'package:flutter/material.dart' hide Visibility;
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/chat_access_settings/chat_access_settings_page.dart';
 import 'package:fluffychat/utils/localized_exception_extension.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
 class ChatAccessSettings extends StatefulWidget {

lib/pages/chat_details/chat_details.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:matrix/matrix.dart';
@@ -13,6 +12,7 @@ import 'package:fluffychat/pages/settings/settings.dart';
 import 'package:fluffychat/utils/file_selector.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
 enum AliasActions { copy, delete, setCanonical }

lib/pages/chat_encryption_settings/chat_encryption_settings.dart

@@ -2,12 +2,12 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/encryption.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/chat_encryption_settings/chat_encryption_settings_view.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../key_verification/key_verification_dialog.dart';
 

lib/pages/chat_list/chat_list.dart

@@ -9,7 +9,6 @@ import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:cross_file/cross_file.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter_shortcuts/flutter_shortcuts.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart' as sdk;
 import 'package:matrix/matrix.dart';
@@ -24,6 +23,7 @@ import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/utils/show_update_snackbar.dart';
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../../utils/account_bundles.dart';
 import '../../config/setting_keys.dart';
 import '../../utils/matrix_sdk_extensions/matrix_file_extension.dart';

lib/pages/chat_list/chat_list_item.dart

@@ -2,12 +2,12 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/room_status_extension.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/hover_builder.dart';
 import '../../config/themes.dart';
 import '../../utils/date_time_extension.dart';

lib/pages/chat_list/space_view.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart' as sdk;
 import 'package:matrix/matrix.dart';
@@ -15,6 +14,7 @@ import 'package:fluffychat/utils/adaptive_bottom_sheet.dart';
 import 'package:fluffychat/utils/localized_exception_extension.dart';
 import 'package:fluffychat/utils/stream_extension.dart';
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/public_room_bottom_sheet.dart';
 

lib/pages/chat_permissions_settings/chat_permissions_settings.dart

@@ -3,11 +3,11 @@ import 'dart:developer';
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/chat_permissions_settings/chat_permissions_settings_view.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/permission_slider_dialog.dart';
 

lib/pages/device_settings/device_settings.dart

@@ -3,12 +3,12 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart' show IterableExtension;
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/encryption/utils/key_verification.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/device_settings/device_settings_view.dart';
 import 'package:fluffychat/pages/key_verification/key_verification_dialog.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../widgets/matrix.dart';
 
 class DevicesSettings extends StatefulWidget {

lib/pages/invitation_selection/invitation_selection.dart

@@ -4,11 +4,11 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/invitation_selection/invitation_selection_view.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../utils/localized_exception_extension.dart';
 

lib/pages/key_verification/key_verification_dialog.dart

@@ -6,11 +6,11 @@ import 'package:flutter/services.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/encryption.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 
 class KeyVerificationDialog extends StatefulWidget {
   Future<void> show(BuildContext context) => showAdaptiveDialog(

lib/pages/login/login.dart

@@ -4,10 +4,10 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/localized_exception_extension.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../utils/platform_infos.dart';
 import 'login_view.dart';

lib/pages/settings/settings.dart

@@ -5,12 +5,12 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/file_selector.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../widgets/matrix.dart';
 import '../bootstrap/bootstrap_dialog.dart';
 import 'settings_view.dart';

lib/pages/settings_3pid/settings_3pid.dart

@@ -2,9 +2,9 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'settings_3pid_view.dart';
 

lib/pages/settings_emotes/settings_emotes.dart

@@ -6,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:http/http.dart' hide Client;
 import 'package:matrix/matrix.dart';
@@ -14,6 +13,7 @@ import 'package:matrix/matrix.dart';
 import 'package:fluffychat/utils/client_manager.dart';
 import 'package:fluffychat/utils/file_selector.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_file_extension.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../widgets/matrix.dart';
 import 'import_archive_dialog.dart';
 import 'settings_emotes_view.dart';

lib/pages/settings_ignore_list/settings_ignore_list.dart

@@ -1,9 +1,9 @@
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../widgets/matrix.dart';
 import 'settings_ignore_list_view.dart';
 

lib/pages/settings_ignore_list/settings_ignore_list_view.dart

@@ -1,10 +1,10 @@
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/layouts/max_width_body.dart';
 import '../../widgets/matrix.dart';
 import 'settings_ignore_list.dart';

lib/pages/settings_notifications/settings_notifications.dart

@@ -3,10 +3,10 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart' show IterableExtension;
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/localized_exception_extension.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../../widgets/matrix.dart';
 import 'settings_notifications_view.dart';
 

lib/pages/settings_security/settings_security.dart

@@ -2,10 +2,10 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/widgets/app_lock.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../bootstrap/bootstrap_dialog.dart';
 import 'settings_security_view.dart';

lib/pages/settings_style/settings_style.dart

@@ -1,11 +1,10 @@
 import 'package:flutter/material.dart';
 
-import 'package:future_loading_dialog/future_loading_dialog.dart';
-
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/config/setting_keys.dart';
 import 'package:fluffychat/utils/account_config.dart';
 import 'package:fluffychat/utils/file_selector.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/theme_builder.dart';
 import '../../widgets/matrix.dart';
 import 'settings_style_view.dart';

lib/pages/user_bottom_sheet/user_bottom_sheet.dart

@@ -2,11 +2,11 @@ import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/config/themes.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/permission_slider_dialog.dart';
 import '../../widgets/matrix.dart';
 import 'user_bottom_sheet_view.dart';

lib/utils/matrix_sdk_extensions/event_extension.dart

@@ -4,10 +4,10 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import 'package:async/async.dart' as async;
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/size_string.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'matrix_file_extension.dart';
 
 extension LocalizedBody on Event {

lib/utils/matrix_sdk_extensions/matrix_file_extension.dart

@@ -4,13 +4,13 @@ import 'package:flutter/material.dart';
 
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:universal_html/html.dart' as html;
 
 import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/utils/size_string.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 
 extension MatrixFileExtension on MatrixFile {
   void save(BuildContext context) async {

lib/utils/url_launcher.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart' show IterableExtension;
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 import 'package:punycode/punycode.dart';
@@ -12,6 +11,7 @@ import 'package:url_launcher/url_launcher_string.dart';
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/pages/user_bottom_sheet/user_bottom_sheet.dart';
 import 'package:fluffychat/utils/adaptive_bottom_sheet.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/public_room_bottom_sheet.dart';
 import 'platform_infos.dart';

lib/widgets/chat_settings_popup_menu.dart

@@ -5,11 +5,11 @@ import 'package:flutter/services.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:keyboard_shortcuts/keyboard_shortcuts.dart';
 import 'package:matrix/matrix.dart';
 
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'matrix.dart';
 
 enum ChatPopupMenuActions { details, mute, unmute, leave, search }

lib/widgets/future_loading_dialog.dart

@@ -0,0 +1,141 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+
+import 'package:async/async.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+import 'package:fluffychat/utils/localized_exception_extension.dart';
+
+/// Displays a loading dialog which reacts to the given [future]. The dialog
+/// will be dismissed and the value will be returned when the future completes.
+/// If an error occured, then [onError] will be called and this method returns
+/// null.
+Future<Result<T>> showFutureLoadingDialog<T>({
+  required BuildContext context,
+  required Future<T> Function() future,
+  String? title,
+  String? backLabel,
+  String Function(dynamic exception)? onError,
+  bool barrierDismissible = false,
+}) async {
+  final futureExec = future();
+  final resultFuture = ResultFuture(futureExec);
+
+  var i = 3;
+  do {
+    final result = resultFuture.result;
+    if (result != null) {
+      if (result.isError) break;
+      return result;
+    }
+    await Future.delayed(const Duration(milliseconds: 100));
+    i--;
+  } while (i > 0);
+
+  final result = await showAdaptiveDialog<Result<T>>(
+    context: context,
+    barrierDismissible: barrierDismissible,
+    builder: (BuildContext context) => LoadingDialog<T>(
+      future: futureExec,
+      title: title,
+      backLabel: backLabel,
+      onError: onError,
+    ),
+  );
+  return result ??
+      Result.error(
+        Exception('FutureDialog canceled'),
+        StackTrace.current,
+      );
+}
+
+class LoadingDialog<T> extends StatefulWidget {
+  final String? title;
+  final String? backLabel;
+  final Future<T> future;
+  final String Function(dynamic exception)? onError;
+
+  const LoadingDialog({
+    super.key,
+    required this.future,
+    this.title,
+    this.onError,
+    this.backLabel,
+  });
+  @override
+  LoadingDialogState<T> createState() => LoadingDialogState<T>();
+}
+
+class LoadingDialogState<T> extends State<LoadingDialog> {
+  Object? exception;
+  StackTrace? stackTrace;
+
+  @override
+  void initState() {
+    super.initState();
+    widget.future.then(
+      (result) => Navigator.of(context).pop<Result<T>>(Result.value(result)),
+      onError: (e, s) => setState(() {
+        exception = e;
+        stackTrace = s;
+      }),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final exception = this.exception;
+    final titleLabel = exception != null
+        ? widget.onError?.call(exception) ??
+            exception.toLocalizedString(context)
+        : widget.title ?? L10n.of(context).loadingPleaseWait;
+
+    return AlertDialog.adaptive(
+      content: ConstrainedBox(
+        constraints: const BoxConstraints(maxWidth: 256),
+        child: Row(
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            if (exception == null)
+              const CircularProgressIndicator.adaptive()
+            else
+              Icon(
+                Icons.error_outline_outlined,
+                color: Theme.of(context).colorScheme.error,
+                size: 48,
+              ),
+            const SizedBox(width: 20),
+            Expanded(
+              child: Text(
+                titleLabel,
+                maxLines: 2,
+                textAlign: TextAlign.left,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ),
+          ],
+        ),
+      ),
+      actions: exception == null
+          ? null
+          : [
+              TextButton(
+                onPressed: () => Navigator.of(context).pop<Result<T>>(
+                  Result.error(
+                    exception,
+                    stackTrace,
+                  ),
+                ),
+                child: Text(widget.backLabel ?? L10n.of(context).close),
+              ),
+            ],
+    );
+  }
+}
+
+extension DeprecatedApiAccessExtension<T> on Result<T> {
+  T? get result => asValue?.value;
+
+  Object? get error => asError?.error;
+}

lib/widgets/matrix.dart

@@ -8,7 +8,6 @@ import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:collection/collection.dart';
 import 'package:desktop_notifications/desktop_notifications.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:http/http.dart' as http;
 import 'package:image_picker/image_picker.dart';
 import 'package:intl/intl.dart';
@@ -21,12 +20,12 @@ import 'package:url_launcher/url_launcher_string.dart';
 
 import 'package:fluffychat/utils/client_manager.dart';
 import 'package:fluffychat/utils/init_with_restore.dart';
-import 'package:fluffychat/utils/localized_exception_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_file_extension.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/utils/uia_request_manager.dart';
 import 'package:fluffychat/utils/voip_plugin.dart';
 import 'package:fluffychat/widgets/fluffy_chat_app.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import '../config/app_config.dart';
 import '../config/setting_keys.dart';
 import '../pages/key_verification/key_verification_dialog.dart';
@@ -234,16 +233,6 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
     } else {
       initSettings();
     }
-    initLoadingDialog();
-  }
-
-  void initLoadingDialog() {
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      LoadingDialog.defaultTitle = L10n.of(context).loadingPleaseWait;
-      LoadingDialog.defaultBackLabel = L10n.of(context).close;
-      LoadingDialog.defaultOnError =
-          (e) => (e as Object?)!.toLocalizedString(context);
-    });
   }
 
   Future<void> initConfig() async {

lib/widgets/public_room_bottom_sheet.dart

@@ -2,13 +2,13 @@ import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter_linkify/flutter_linkify.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:go_router/go_router.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/fluffy_share.dart';
 import 'package:fluffychat/utils/url_launcher.dart';
 import 'package:fluffychat/widgets/avatar.dart';
+import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
 class PublicRoomBottomSheet extends StatelessWidget {

pubspec.lock

@@ -789,14 +789,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  future_loading_dialog:
-    dependency: "direct main"
-    description:
-      name: future_loading_dialog
-      sha256: "2718b1a308db452da32ab9bca9ad496ff92b683e217add9e92cf50520f90537e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.0"
   geolocator:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -51,7 +51,6 @@ dependencies:
   flutter_typeahead: ^5.2.0
   flutter_web_auth_2: ^3.1.1
   flutter_webrtc: ^0.11.7
-  future_loading_dialog: ^0.3.0
   geolocator: ^7.6.2
   go_router: ^14.3.0
   handy_window: ^0.4.0