[Experiment] Obfuscate App Access

app/lib/features/labs/model/labs_features.dart

@@ -11,6 +11,7 @@ enum LabsFeature {
   // specific features
   chatUnread,
   chatNG,
+  obfuscatedApp,
 
   // system features
   deviceCalendarSync,

app/lib/features/settings/pages/labs_page.dart

@@ -33,6 +33,11 @@ class SettingsLabsPage extends ConsumerWidget {
               title: Text(lang.labsAppFeatures),
               tiles: [
                 const LabsNotificationsSettingsTile(),
+              ],
+            ),
+            SettingsSection(
+              title: Text(lang.securityAndPrivacy),
+              tiles: [
                 SettingsTile.switchTile(
                   title: Text(lang.encryptionBackupKeyBackup),
                   description: Text(lang.sharedCalendarAndEvents),
@@ -44,6 +49,18 @@ class SettingsLabsPage extends ConsumerWidget {
                     newVal,
                   ),
                 ),
+                SettingsTile.switchTile(
+                  title: const Text('Hide App behind Calculator'),
+                  description: const Text(
+                      'Show a calculator when starting or switching to the app. Press 1984 enter to pass'),
+                  initialValue:
+                      ref.watch(isActiveProvider(LabsFeature.obfuscatedApp)),
+                  onToggle: (newVal) => updateFeatureState(
+                    ref,
+                    LabsFeature.obfuscatedApp,
+                    newVal,
+                  ),
+                ),
               ],
             ),
             SettingsSection(

app/lib/main.dart

@@ -1,25 +1,30 @@
 import 'dart:async';
 
+import 'package:acter/common/themes/app_theme.dart';
+import 'package:acter/config/desktop.dart';
+import 'package:acter/config/env.g.dart';
+import 'package:acter/config/notifications/init.dart';
 import 'package:acter/common/providers/app_state_provider.dart';
 import 'package:acter/common/themes/acter_theme.dart';
-import 'package:acter/common/themes/app_theme.dart';
 import 'package:acter/common/tutorial_dialogs/bottom_navigation_tutorials/bottom_navigation_tutorials.dart';
 import 'package:acter/common/tutorial_dialogs/space_overview_tutorials/create_or_join_space_tutorials.dart';
 import 'package:acter/common/tutorial_dialogs/space_overview_tutorials/space_overview_tutorials.dart';
 import 'package:acter/common/utils/logging.dart';
 import 'package:acter/common/utils/main.dart';
-import 'package:acter/config/desktop.dart';
-import 'package:acter/config/env.g.dart';
-import 'package:acter/config/notifications/init.dart';
 import 'package:acter/config/setup.dart';
 import 'package:acter/features/cli/main.dart';
+import 'package:acter/features/labs/model/labs_features.dart';
+import 'package:acter/features/labs/providers/labs_providers.dart';
 import 'package:acter/features/settings/providers/settings_providers.dart';
 import 'package:acter/router/router.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:acter_trigger_auto_complete/acter_trigger_autocomplete.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_easyloading/flutter_easyloading.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_simple_calculator/flutter_simple_calculator.dart';
+import 'package:secure_application/secure_application.dart';
 import 'package:intl/date_symbol_data_local.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 import 'package:video_player_media_kit/video_player_media_kit.dart';
@@ -96,11 +101,19 @@ class Acter extends ConsumerStatefulWidget {
 }
 
 class _ActerState extends ConsumerState<Acter> with WidgetsBindingObserver {
+  final secureApplicationController = SecureApplicationController(
+    SecureApplicationState(
+      locked: true,
+      secured: true,
+    ),
+  );
   @override
   void initState() {
     super.initState();
     ref.read(localeProvider.notifier).initLanguage();
     WidgetsBinding.instance.addObserver(this);
+
+    // WidgetsBinding.instance?.addPostFrameCallback((_) => localAuthenticate());
   }
 
   @override
@@ -114,21 +127,79 @@ class _ActerState extends ConsumerState<Acter> with WidgetsBindingObserver {
     super.dispose();
   }
 
-  @override
-  Widget build(BuildContext context) {
-    final language = ref.watch(localeProvider);
+  Widget appBuilder(BuildContext context, Widget? child) {
+    final obfuscateApp = ref.watch(isActiveProvider(LabsFeature.obfuscatedApp));
 
+    // EasyLoading Wrapper
+    final easyLoadingBuilder = EasyLoading.init();
     // all toast msgs will appear at bottom
-    final builder = EasyLoading.init();
     EasyLoading.instance.toastPosition = EasyLoadingToastPosition.bottom;
+    final inner = easyLoadingBuilder(context, child);
+
+    if (obfuscateApp) {
+      return SecureApplication(
+        nativeRemoveDelay: 800,
+        secureApplicationController: secureApplicationController,
+        child: SecureGate(
+          opacity: 1,
+          lockedBuilder: (context, secureNotifier) => SimpleCalculator(
+            onChanged: (key, value, expression) {
+              print("key $key, value $value, expression: $expression");
+              if (value.toString() == '1984.0') {
+                secureNotifier!.unlock();
+              }
+            },
+          ),
+          child: inner,
+        ),
+      );
+    }
+
+    return inner;
+  }
+
+  Future<bool?> askValidation(BuildContext context) async {
+    final context = rootNavKey.currentState!.overlay!.context;
+    print("asking to validate!");
+    return await showDialog<bool>(
+      context: context,
+      barrierDismissible: false, // user must tap button!
+      builder: (BuildContext context) {
+        return CupertinoAlertDialog(
+          title: Text('Unlock app content'),
+          content: Text(
+              'Do you wan to unlock the application content? Clicking no will secure the app'),
+          actions: <Widget>[
+            CupertinoDialogAction(
+              isDefaultAction: true,
+              child: Text('No'),
+              onPressed: () {
+                Navigator.of(context).pop(false);
+              },
+            ),
+            CupertinoDialogAction(
+              child: Text('Yes'),
+              onPressed: () {
+                Navigator.of(context).pop(true);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final language = ref.watch(localeProvider);
 
     return Portal(
       child: MaterialApp.router(
         routerConfig: goRouter,
         theme: ActerTheme.theme,
         restorationScopeId: 'acter',
         title: 'Acter',
-        builder: builder,
+        builder: appBuilder,
         locale: Locale(language),
         localizationsDelegates: L10n.localizationsDelegates,
         supportedLocales: L10n.supportedLocales,