Send errors with description from native side, only show app zaps

android/app/src/main/kotlin/dev/zapstore/alpha/plugins/AndroidPackageManagerPlugin.kt

@@ -287,7 +287,8 @@ class AndroidPackageManagerPlugin : FlutterPlugin, MethodCallHandler,
         appId: String, 
         status: String, 
         message: String? = null,
-        errorCode: String? = null
+        errorCode: String? = null,
+        description: String? = null
     ) {
         val emitNow = emit@{
             // Update watchdog regardless of whether Dart is listening.
@@ -310,6 +311,9 @@ class AndroidPackageManagerPlugin : FlutterPlugin, MethodCallHandler,
             if (errorCode != null) {
                 event["errorCode"] = errorCode
             }
+            if (description != null) {
+                event["description"] = description
+            }
             Log.d(TAG, "Emitting to Dart: $event")
             sink.success(event)
         }
@@ -496,8 +500,9 @@ class AndroidPackageManagerPlugin : FlutterPlugin, MethodCallHandler,
                         emitInstallStatus(
                             packageName, 
                             InstallStatus.FAILED, 
-                            verification.errorMessage,
+                            verification.errorTitle,
-                            verification.errorCode
+                            verification.errorCode,
+                            verification.errorDescription
                         )
                     }
                     verificationThreads.remove(packageName)
@@ -648,14 +653,20 @@ class AndroidPackageManagerPlugin : FlutterPlugin, MethodCallHandler,
     
     private data class VerificationResult(
         val isSuccess: Boolean, 
-        val errorMessage: String = "",
+        val errorTitle: String = "",
+        val errorDescription: String? = null,
         val errorCode: String? = null
     )
     
     private fun verifyApk(file: File, expectedHash: String, expectedSize: Long): VerificationResult {
         if (!isValidApkFormat(file)) {
             file.delete()
-            return VerificationResult(false, "Invalid APK file format", ErrorCode.INVALID_FILE)
+            return VerificationResult(
+                false, 
+                "Invalid APK file",
+                "The downloaded file is not a valid APK format.",
+                ErrorCode.INVALID_FILE
+            )
         }
         
         val digest = MessageDigest.getInstance("SHA-256")
@@ -671,7 +682,8 @@ class AndroidPackageManagerPlugin : FlutterPlugin, MethodCallHandler,
         if (actualHash.lowercase() != expectedHash.lowercase()) {
             return VerificationResult(
                 false, 
-                "Hash verification failed. Expected: $expectedHash, Actual: $actualHash",
+                "Hash verification failed",
+                "The downloaded file hash does not match.\n\nExpected: $expectedHash\nActual: $actualHash",
                 ErrorCode.HASH_MISMATCH
             )
         }

lib/screens/user_screen.dart

@@ -205,24 +205,22 @@ class _UserZapsList extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    // Collect addressable tags for apps and metadata IDs separately
+    // Don't query zaps if user has no apps
-    final allAppTags = <String, Set<String>>{};
+    if (apps.isEmpty) {
-    final metadataIds = <String>{};
+      return const SizedBox.shrink();
+    }
 
+    // Collect addressable tags for apps
+    final allAppTags = <String, Set<String>>{};
     for (final app in apps) {
       final appTags = app.event.addressableIdTagMap;
       for (final entry in appTags.entries) {
         allAppTags[entry.key] = {...?allAppTags[entry.key], ...entry.value};
       }
-
-      final metadata = app.latestFileMetadata;
-      if (metadata != null) {
-        metadataIds.add(metadata.id);
-      }
     }
 
-    // Query zaps on apps (via #a tag) - separate from metadata zaps
+    // Query zaps on apps (via #a tag)
-    final appZapsState = ref.watch(
+    final zapsState = ref.watch(
       query<Zap>(
         tags: allAppTags,
         source: const LocalAndRemoteSource(relays: 'social'),
@@ -230,17 +228,7 @@ class _UserZapsList extends HookConsumerWidget {
       ),
     );
 
-    // Query zaps on metadata (via #e tag) - separate query
+    final allZaps = zapsState.models;
-    final metadataZapsState = ref.watch(
-      query<Zap>(
-        tags: {'#e': metadataIds},
-        source: const LocalAndRemoteSource(relays: 'social'),
-        subscriptionPrefix: 'user-metadata-zaps',
-      ),
-    );
-
-    // Combine zaps from both queries
-    final allZaps = {...appZapsState.models, ...metadataZapsState.models};
 
     if (allZaps.isEmpty) {
       return const SizedBox.shrink();

lib/services/package_manager/android_package_manager.dart

@@ -99,10 +99,11 @@ final class AndroidPackageManager extends PackageManager {
     final statusRaw = event['status'] as String?;
     final message = event['message'] as String?;
     final errorCode = event['errorCode'] as String?;
+    final description = event['description'] as String?;
     final status = InstallStatusX.tryParse(statusRaw);
 
     debugPrint(
-      '[PackageManager] Received event: appId=$appId, status=$status, msg=$message, errorCode=$errorCode',
+      '[PackageManager] Received event: appId=$appId, status=$status, msg=$message, errorCode=$errorCode, desc=$description',
     );
 
     if (appId == null || statusRaw == null) {
@@ -196,6 +197,7 @@ final class AndroidPackageManager extends PackageManager {
             target: target,
             type: _errorCodeToFailureType(errorCode, message),
             message: message ?? 'Installation failed',
+            description: description,
             filePath: filePath,
           ),
         );

lib/services/package_manager/install_operation.dart

@@ -132,12 +132,14 @@ class Uninstalling extends InstallOperation {
 class OperationFailed extends InstallOperation {
   final FailureType type;
   final String message;
+  final String? description;
   final String? filePath;
 
   const OperationFailed({
     required super.target,
     required this.type,
     required this.message,
+    this.description,
     this.filePath,
   });
 

lib/widgets/app_detail_widgets.dart

@@ -275,24 +275,14 @@ class _ZappersListSection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final latestMetadata = app.latestFileMetadata;
+    return _ZappersListSectionWithMetadata(app: app);
-    if (latestMetadata == null) return const SizedBox.shrink();
-
-    return _ZappersListSectionWithMetadata(
-      app: app,
-      metadataId: latestMetadata.id,
-    );
   }
 }
 
 class _ZappersListSectionWithMetadata extends ConsumerWidget {
-  const _ZappersListSectionWithMetadata({
+  const _ZappersListSectionWithMetadata({required this.app});
-    required this.app,
-    required this.metadataId,
-  });
 
   final App app;
-  final String metadataId;
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
@@ -305,19 +295,7 @@ class _ZappersListSectionWithMetadata extends ConsumerWidget {
       ),
     );
 
-    // Query zaps on metadata (via #e tag)
+    final allZaps = zapsState.models;
-    final zapsOnMetadataState = ref.watch(
-      query<Zap>(
-        tags: {
-          '#e': {metadataId},
-        },
-        source: const LocalAndRemoteSource(relays: 'social'),
-        subscriptionPrefix: 'metadata-zaps',
-      ),
-    );
-
-    // Combine zaps from both queries
-    final allZaps = {...zapsState.models, ...zapsOnMetadataState.models};
 
     if (allZaps.isEmpty) return const SizedBox.shrink();
 

lib/widgets/install_button.dart

@@ -604,7 +604,11 @@ class InstallButton extends ConsumerWidget {
     final operation = ref.read(installOperationProvider(app.identifier));
     if (operation is! OperationFailed) return;
 
-    context.showError(operation.message, actions: const []);
+    context.showError(
+      operation.message,
+      description: operation.description,
+      actions: const [],
+    );
 
     // Always clear error after showing it (reckless mode removed).
     final pm = ref.read(packageManagerProvider.notifier);
@@ -617,6 +621,9 @@ class InstallButton extends ConsumerWidget {
         'Certificate mismatch',
         description: 'The app signature does not match. Force update required.',
       );
+    } else if (operation.description != null) {
+      // Errors with descriptions (from Kotlin) are shown as toasts
+      context.showError(operation.message, description: operation.description);
     }
     // Other errors are shown when user taps the error button
   }