diff --git a/lib/main.dart b/lib/main.dart
index 28cf166..bbcfad3 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -21,7 +21,7 @@ void main() {
   WidgetsFlutterBinding.ensureInitialized();
 
   // Инициализация workmanager
-  Workmanager().initialize(callbackDispatcher, isInDebugMode: false);
+  Workmanager().initialize(callbackDispatcher);
 
   runApp(const ProviderScope(child: IgnisApp()));
 }
@@ -132,4 +132,4 @@ class _MainGateState extends ConsumerState<MainGate> {
       ),
     );
   }
-}
\ No newline at end of file
+}
diff --git a/lib/providers/providers.dart b/lib/providers/providers.dart
index 9501c22..ae43cbd 100644
--- a/lib/providers/providers.dart
+++ b/lib/providers/providers.dart
@@ -278,9 +278,10 @@ class GroupsNotifier extends Notifier<List<dynamic>> {
 
         // Если группа залочена (недавно управляли) -- берём локальное состояние
         if (_lockUntil.containsKey(id) && _lockUntil[id]!.isAfter(now)) {
-          final existing = state.cast<dynamic?>().firstWhere(
-              (old) => old?['id'].toString() == id,
-              orElse: () => null);
+          final existing = state.firstWhere(
+            (old) => old['id'].toString() == id,
+            orElse: () => null,
+          );
           return existing ?? map;
         }
 
@@ -311,9 +312,10 @@ class GroupsNotifier extends Notifier<List<dynamic>> {
           }
         } catch (e) {
           // При ошибке опроса -- сохраняем предыдущее состояние
-          final existing = state.cast<dynamic?>().firstWhere(
-              (s) => s?['id'].toString() == id,
-              orElse: () => null);
+          final existing = state.firstWhere(
+            (s) => s['id'].toString() == id,
+            orElse: () => null,
+          );
           map['last_state'] = existing?['last_state'] ??
               {'state': false, 'brightness': 100, 'temp': 4000};
         }
@@ -743,4 +745,4 @@ String formatDistance(double km) {
   } else {
     return '${km.round()} км';
   }
-}
\ No newline at end of file
+}
diff --git a/lib/screens/api_keys_screen.dart b/lib/screens/api_keys_screen.dart
index 0f9a2c3..f48b9bd 100644
--- a/lib/screens/api_keys_screen.dart
+++ b/lib/screens/api_keys_screen.dart
@@ -47,9 +47,11 @@ class _ApiKeysScreenState extends ConsumerState<ApiKeysScreen> {
                     margin: const EdgeInsets.all(12),
                     padding: const EdgeInsets.all(12),
                     decoration: BoxDecoration(
-                      color: Colors.deepOrange.withOpacity(0.15),
+                      color: Colors.deepOrange.withValues(alpha: 0.15),
                       borderRadius: BorderRadius.circular(12),
-                      border: Border.all(color: Colors.deepOrange.withOpacity(0.3)),
+                      border: Border.all(
+                        color: Colors.deepOrange.withValues(alpha: 0.3),
+                      ),
                     ),
                     child: Column(
                       crossAxisAlignment: CrossAxisAlignment.start,
@@ -159,7 +161,7 @@ class _ApiKeysScreenState extends ConsumerState<ApiKeysScreen> {
               SwitchListTile(
                 title: const Text('Администратор'),
                 value: isAdmin,
-                activeColor: Colors.deepOrange,
+                activeThumbColor: Colors.deepOrange,
                 onChanged: (v) => setDialogState(() => isAdmin = v),
                 contentPadding: EdgeInsets.zero,
               ),
@@ -275,7 +277,7 @@ class _ApiKeyCard extends StatelessWidget {
               Container(
                 padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
                 decoration: BoxDecoration(
-                  color: Colors.amber.withOpacity(0.2),
+                  color: Colors.amber.withValues(alpha: 0.2),
                   borderRadius: BorderRadius.circular(4),
                 ),
                 child: const Text(
@@ -289,7 +291,7 @@ class _ApiKeyCard extends StatelessWidget {
               Container(
                 padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
                 decoration: BoxDecoration(
-                  color: Colors.redAccent.withOpacity(0.2),
+                  color: Colors.redAccent.withValues(alpha: 0.2),
                   borderRadius: BorderRadius.circular(4),
                 ),
                 child: const Text(
@@ -325,7 +327,7 @@ class _ApiKeyCard extends StatelessWidget {
   String _formatDate(String iso) {
     try {
       final d = DateTime.parse(iso);
-      final pad = (int n) => n.toString().padLeft(2, '0');
+      String pad(int n) => n.toString().padLeft(2, '0');
       return '${pad(d.day)}.${pad(d.month)}.${d.year}';
     } catch (_) {
       return iso;
diff --git a/lib/screens/event_log_screen.dart b/lib/screens/event_log_screen.dart
index 83f1f20..aa4eb77 100644
--- a/lib/screens/event_log_screen.dart
+++ b/lib/screens/event_log_screen.dart
@@ -156,7 +156,7 @@ class _EventRow extends StatelessWidget {
     if (iso.isEmpty) return '';
     try {
       final d = DateTime.parse(iso);
-      final pad = (int n) => n.toString().padLeft(2, '0');
+      String pad(int n) => n.toString().padLeft(2, '0');
       return '${pad(d.day)}.${pad(d.month)} ${pad(d.hour)}:${pad(d.minute)}:${pad(d.second)}';
     } catch (_) {
       return iso;
diff --git a/lib/screens/home_edit_screen.dart b/lib/screens/home_edit_screen.dart
index 9900f0a..4043765 100644
--- a/lib/screens/home_edit_screen.dart
+++ b/lib/screens/home_edit_screen.dart
@@ -170,7 +170,7 @@ class _HomeEditScreenState extends ConsumerState<HomeEditScreen> {
                 ),
               ),
               value: _geofenceEnabled,
-              activeColor: Colors.deepOrange,
+              activeThumbColor: Colors.deepOrange,
               onChanged: _hasCoordinates
                   ? (v) => setState(() => _geofenceEnabled = v)
                   : null,
@@ -285,4 +285,4 @@ class _HomeEditScreenState extends ConsumerState<HomeEditScreen> {
 
     if (mounted) Navigator.of(context).pop();
   }
-}
\ No newline at end of file
+}
diff --git a/lib/screens/homes_screen.dart b/lib/screens/homes_screen.dart
index db0a098..759f57c 100644
--- a/lib/screens/homes_screen.dart
+++ b/lib/screens/homes_screen.dart
@@ -15,15 +15,18 @@ class HomesScreen extends ConsumerStatefulWidget {
 }
 
 class _HomesScreenState extends ConsumerState<HomesScreen> {
+  late final UserLocationNotifier _userLocationNotifier;
+
   @override
   void initState() {
     super.initState();
-    Future.microtask(() => ref.read(userLocationProvider.notifier).startWatching());
+    _userLocationNotifier = ref.read(userLocationProvider.notifier);
+    Future.microtask(() => _userLocationNotifier.startWatching());
   }
 
   @override
   void dispose() {
-    ref.read(userLocationProvider.notifier).stopWatching();
+    _userLocationNotifier.stopWatching();
     super.dispose();
   }
 
@@ -200,4 +203,4 @@ class _HomesScreenState extends ConsumerState<HomesScreen> {
       ),
     );
   }
-}
\ No newline at end of file
+}
diff --git a/lib/screens/remote_screen.dart b/lib/screens/remote_screen.dart
index 56e8a63..831ca6c 100644
--- a/lib/screens/remote_screen.dart
+++ b/lib/screens/remote_screen.dart
@@ -179,7 +179,7 @@ class _RemoteScreenState extends ConsumerState<RemoteScreen> {
                           margin: const EdgeInsets.symmetric(
                               horizontal: 12, vertical: 6),
                           decoration: BoxDecoration(
-                            color: Colors.redAccent.withOpacity(0.3),
+                            color: Colors.redAccent.withValues(alpha: 0.3),
                             borderRadius: BorderRadius.circular(16),
                           ),
                           child: const Icon(Icons.delete, color: Colors.redAccent),
diff --git a/lib/screens/schedules_screen.dart b/lib/screens/schedules_screen.dart
index bd967b9..a5114d8 100644
--- a/lib/screens/schedules_screen.dart
+++ b/lib/screens/schedules_screen.dart
@@ -240,7 +240,7 @@ class _AddScheduleSheetState extends ConsumerState<_AddScheduleSheet> {
 
             // Выбор группы
             DropdownButtonFormField<String>(
-              value: _selectedGroupId,
+              initialValue: _selectedGroupId,
               decoration: const InputDecoration(labelText: 'Группа'),
               items: groups.map((g) {
                 final id = g['id'].toString();
@@ -256,7 +256,7 @@ class _AddScheduleSheetState extends ConsumerState<_AddScheduleSheet> {
               title: Text(_targetState ? 'Включить' : 'Выключить'),
               subtitle: const Text('Действие при срабатывании'),
               value: _targetState,
-              activeColor: Colors.deepOrange,
+              activeThumbColor: Colors.deepOrange,
               onChanged: (v) => setState(() => _targetState = v),
               contentPadding: EdgeInsets.zero,
             ),
diff --git a/lib/services/geofence_worker.dart b/lib/services/geofence_worker.dart
index 096f58d..3196093 100644
--- a/lib/services/geofence_worker.dart
+++ b/lib/services/geofence_worker.dart
@@ -73,9 +73,12 @@ Future<bool> executeGeofenceCheck() async {
     try {
       // Сначала lastKnown (мгновенно)
       pos = await Geolocator.getLastKnownPosition();
-      // Если старше 5 минут -- запрашиваем свежую
+      final lastTimestamp = pos?.timestamp;
+
+      // Если позиции нет или она несвежая -- запрашиваем новую
       if (pos == null ||
-          DateTime.now().difference(pos.timestamp).inMinutes > 5) {
+          lastTimestamp == null ||
+          DateTime.now().difference(lastTimestamp).inMinutes > 5) {
         pos = await Geolocator.getCurrentPosition(
           locationSettings: const LocationSettings(
             accuracy: LocationAccuracy.low,
@@ -87,8 +90,6 @@ Future<bool> executeGeofenceCheck() async {
       return true; // не удалось получить позицию
     }
 
-    if (pos == null) return true;
-
     // 4. Считаем расстояние
     final homeLat = (targetHome['latitude'] as num).toDouble();
     final homeLon = (targetHome['longitude'] as num).toDouble();
@@ -249,4 +250,4 @@ double _haversineMeters(
   return earthRadiusM * c;
 }
 
-double _degToRad(double deg) => deg * (math.pi / 180);
\ No newline at end of file
+double _degToRad(double deg) => deg * (math.pi / 180);
diff --git a/lib/widgets/color_picker.dart b/lib/widgets/color_picker.dart
index 327d391..c4fc9a8 100644
--- a/lib/widgets/color_picker.dart
+++ b/lib/widgets/color_picker.dart
@@ -1,4 +1,3 @@
-import 'dart:math';
 import 'package:flutter/material.dart';
 
 /// Простой цветовой пикер в виде HSV-слайдеров.
diff --git a/lib/widgets/group_card.dart b/lib/widgets/group_card.dart
index 9e56f85..cbd4123 100644
--- a/lib/widgets/group_card.dart
+++ b/lib/widgets/group_card.dart
@@ -23,6 +23,9 @@ class _GroupCardState extends ConsumerState<GroupCard> {
   double? _localBrightness;
   double? _localTemp;
 
+  int _channelValue(double channel) =>
+      (channel * 255.0).round().clamp(0, 255);
+
   @override
   Widget build(BuildContext context) {
     final g = widget.group;
@@ -53,7 +56,10 @@ class _GroupCardState extends ConsumerState<GroupCard> {
         decoration: BoxDecoration(
           borderRadius: BorderRadius.circular(16),
           border: isOn
-              ? Border.all(color: cardAccent.withOpacity(0.3), width: 1)
+              ? Border.all(
+                  color: cardAccent.withValues(alpha: 0.3),
+                  width: 1,
+                )
               : null,
         ),
         child: Padding(
@@ -84,7 +90,7 @@ class _GroupCardState extends ConsumerState<GroupCard> {
                     ),
                   Switch(
                     value: isOn,
-                    activeColor: Colors.deepOrange,
+                    activeThumbColor: Colors.deepOrange,
                     onChanged: (v) =>
                         ref.read(groupsProvider.notifier).toggleGroup(id, v),
                   ),
@@ -166,7 +172,12 @@ class _GroupCardState extends ConsumerState<GroupCard> {
                     initialColor: Color.fromARGB(255, r, gVal, b),
                     onColorChanged: (c) {
                       // Обновление UI-превью -- через debounce отправляется на сервер
-                      ref.read(groupsProvider.notifier).setColor(id, c.red, c.green, c.blue);
+                      ref.read(groupsProvider.notifier).setColor(
+                            id,
+                            _channelValue(c.r),
+                            _channelValue(c.g),
+                            _channelValue(c.b),
+                          );
                     },
                   ),
 
@@ -257,7 +268,9 @@ class _ModeChip extends StatelessWidget {
         duration: const Duration(milliseconds: 200),
         padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
         decoration: BoxDecoration(
-          color: selected ? Colors.deepOrange.withOpacity(0.2) : Colors.white10,
+          color: selected
+              ? Colors.deepOrange.withValues(alpha: 0.2)
+              : Colors.white10,
           borderRadius: BorderRadius.circular(20),
           border: selected
               ? Border.all(color: Colors.deepOrange, width: 1)
diff --git a/test/widget_test.dart b/test/widget_test.dart
index 7016f2d..1c4c0bd 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -1,30 +1,24 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import 'package:ignis_app/main.dart';
 
 void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+  TestWidgetsFlutterBinding.ensureInitialized();
 
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
+  testWidgets('app opens homes screen when no homes are configured',
+      (WidgetTester tester) async {
+    SharedPreferences.setMockInitialValues({});
 
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
+    await tester.pumpWidget(
+      const ProviderScope(
+        child: IgnisApp(),
+      ),
+    );
+    await tester.pumpAndSettle();
 
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
+    expect(find.text('ДОМА'), findsOneWidget);
+    expect(find.text('Нет добавленных домов'), findsOneWidget);
   });
 }