chore(demo): display OneSignal ID in push section

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: fadi-george

examples/demo/lib/viewmodels/app_viewmodel.dart

@@ -64,6 +64,9 @@ class AppViewModel extends ChangeNotifier {
 
   bool get isLoggedIn => _externalUserId != null;
 
+  String? _oneSignalId;
+  String? get oneSignalId => _oneSignalId;
+
   // Push state
   String? _pushSubscriptionId;
   String? get pushSubscriptionId => _pushSubscriptionId;
@@ -139,9 +142,11 @@ class AppViewModel extends ChangeNotifier {
     _pushEnabled = OneSignal.User.pushSubscription.optedIn ?? false;
     _hasNotificationPermission = OneSignal.Notifications.permission;
 
+    final onesignalId = await OneSignal.User.getOnesignalId();
+    _oneSignalId = onesignalId;
+
     notifyListeners();
 
-    final onesignalId = await OneSignal.User.getOnesignalId();
     if (onesignalId == null) return;
 
     // fetchUserDataFromApi owns _isLoading + notifyListeners.
@@ -171,6 +176,9 @@ class AppViewModel extends ChangeNotifier {
         'User changed: onesignalId=${nextOnesignalId ?? 'null'}, externalId=${state.current.externalId ?? 'null'}',
       );
 
+      _oneSignalId = nextOnesignalId;
+      notifyListeners();
+
       // Drive the post-login fetch from the observer so it runs only once the
       // SDK has actually assigned a new onesignalId. Logout clears it to null;
       // skip the fetch in that case (logoutUser already clears local lists).

examples/demo/lib/widgets/sections/push_section.dart

@@ -28,6 +28,29 @@ class PushSection extends StatelessWidget {
               padding: AppSpacing.cardPadding,
               child: Column(
                 children: [
+                  Row(
+                    children: [
+                      Text(
+                        'OneSignal ID',
+                        style: Theme.of(context).textTheme.bodyMedium,
+                      ),
+                      const SizedBox(width: 12),
+                      Expanded(
+                        child: Semantics(
+                          identifier: 'onesignal_id_value',
+                          container: true,
+                          child: SelectableText(
+                            vm.oneSignalId ?? '—',
+                            style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                                  fontFamily: 'monospace',
+                                ),
+                            textAlign: TextAlign.end,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                  const Divider(),
                   Row(
                     children: [
                       Text(

examples/demo_pods/lib/viewmodels/app_viewmodel.dart

@@ -59,6 +59,9 @@ class AppViewModel extends ChangeNotifier {
 
   bool get isLoggedIn => _externalUserId != null;
 
+  String? _oneSignalId;
+  String? get oneSignalId => _oneSignalId;
+
   // Push state
   String? _pushSubscriptionId;
   String? get pushSubscriptionId => _pushSubscriptionId;
@@ -134,9 +137,11 @@ class AppViewModel extends ChangeNotifier {
     _pushEnabled = OneSignal.User.pushSubscription.optedIn ?? false;
     _hasNotificationPermission = OneSignal.Notifications.permission;
 
+    final onesignalId = await OneSignal.User.getOnesignalId();
+    _oneSignalId = onesignalId;
+
     notifyListeners();
 
-    final onesignalId = await OneSignal.User.getOnesignalId();
     if (onesignalId == null) return;
 
     _isLoading = true;
@@ -172,6 +177,8 @@ class AppViewModel extends ChangeNotifier {
       debugPrint(
         'User changed: onesignalId=${state.current.onesignalId ?? 'null'}, externalId=${state.current.externalId ?? 'null'}',
       );
+      _oneSignalId = state.current.onesignalId;
+      notifyListeners();
     });
   }
 

examples/demo_pods/lib/widgets/sections/push_section.dart

@@ -28,6 +28,29 @@ class PushSection extends StatelessWidget {
               padding: AppSpacing.cardPadding,
               child: Column(
                 children: [
+                  Row(
+                    children: [
+                      Text(
+                        'OneSignal ID',
+                        style: Theme.of(context).textTheme.bodyMedium,
+                      ),
+                      const SizedBox(width: 12),
+                      Expanded(
+                        child: Semantics(
+                          identifier: 'onesignal_id_value',
+                          container: true,
+                          child: SelectableText(
+                            vm.oneSignalId ?? '—',
+                            style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                                  fontFamily: 'monospace',
+                                ),
+                            textAlign: TextAlign.end,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                  const Divider(),
                   Row(
                     children: [
                       Text(