update

android/app/build.gradle

@@ -28,12 +28,12 @@ android {
     ndkVersion flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_20
+        sourceCompatibility JavaVersion.VERSION_17
-        targetCompatibility JavaVersion.VERSION_20
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     kotlinOptions {
-        jvmTarget = '20'
+        jvmTarget = '17'
     }
 
     sourceSets {

android/build.gradle

@@ -4,7 +4,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.2.1'
+        classpath 'com.android.tools.build:gradle:8.6.0'
     }
 }
 

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip

android/settings.gradle

@@ -19,8 +19,8 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.2.1" apply false
+    id "com.android.application" version "8.9.1" apply false
-    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.2.21" apply false
 }
 
 include ":app"

android/settings.gradle.kts

@@ -20,7 +20,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "8.9.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.1.0" apply false
+    id("org.jetbrains.kotlin.android") version "2.2.21" apply false
 }
 
 include(":app")

ios/Podfile.lock

@@ -33,10 +33,10 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
-  flutter_secure_storage: 1ed9476fba7e7a782b22888f956cce43e2c62f13
+  flutter_secure_storage: d33dac7ae2ea08509be337e775f6b59f1ff45f12
-  mobile_scanner: 9157936403f5a0644ca3779a38ff8404c5434a93
+  mobile_scanner: 77265f3dc8d580810e91849d4a0811a90467ed5e
-  path_provider_foundation: 080d55be775b7414fd5a5ef3ac137b97b097e564
+  path_provider_foundation: 2b6b4c569c0fb62ec74538f866245ac84301af46
-  sqflite_darwin: 20b2a3a3b70e43edae938624ce550a3cbf66a3d0
+  sqflite_darwin: 5a7236e3b501866c1c9befc6771dfd73ffb8702d
 
 PODFILE CHECKSUM: 3c63482e143d1b91d2d2560aee9fb04ecc74ac7e
 

lib/core/router/app_router.dart

@@ -125,8 +125,9 @@ class AppRouter {
 
       /// Product Detail Route
       /// Path: /product-detail
-      /// Takes warehouseId, productId, and warehouseName as extra parameter
+      /// Takes warehouseId, productId, warehouseName, and optional stageId as extra parameter
       /// Shows detailed information for a specific product
+      /// If stageId is provided, only that stage is shown, otherwise all stages are shown
       GoRoute(
         path: '/product-detail',
         name: 'product-detail',
@@ -147,6 +148,8 @@ class AppRouter {
           final warehouseId = params['warehouseId'] as int?;
           final productId = params['productId'] as int?;
           final warehouseName = params['warehouseName'] as String?;
+          // Extract optional stageId
+          final stageId = params['stageId'] as int?;
 
           // Validate parameters
           if (warehouseId == null || productId == null || warehouseName == null) {
@@ -162,6 +165,7 @@ class AppRouter {
             warehouseId: warehouseId,
             productId: productId,
             warehouseName: warehouseName,
+            stageId: stageId,
           );
         },
       ),
@@ -375,10 +379,12 @@ extension AppRouterExtension on BuildContext {
   /// [warehouseId] - ID of the warehouse
   /// [productId] - ID of the product to view
   /// [warehouseName] - Name of the warehouse (for display)
+  /// [stageId] - Optional ID of specific stage to show (if null, show all stages)
   void goToProductDetail({
     required int warehouseId,
     required int productId,
     required String warehouseName,
+    int? stageId,
   }) {
     push(
       '/product-detail',
@@ -386,6 +392,7 @@ extension AppRouterExtension on BuildContext {
         'warehouseId': warehouseId,
         'productId': productId,
         'warehouseName': warehouseName,
+        if (stageId != null) 'stageId': stageId,
       },
     );
   }

lib/features/products/presentation/pages/product_detail_page.dart

@@ -6,16 +6,19 @@ import '../../domain/entities/product_stage_entity.dart';
 
 /// Product detail page
 /// Displays product stages as chips and shows selected stage information
+/// If [stageId] is provided, only that stage is shown, otherwise all stages are shown
 class ProductDetailPage extends ConsumerStatefulWidget {
   final int warehouseId;
   final int productId;
   final String warehouseName;
+  final int? stageId;
 
   const ProductDetailPage({
     super.key,
     required this.warehouseId,
     required this.productId,
     required this.warehouseName,
+    this.stageId,
   });
 
   @override
@@ -31,11 +34,22 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
     _providerKey = '${widget.warehouseId}_${widget.productId}';
 
     // Load product stages when page is initialized
-    Future.microtask(() {
+    Future.microtask(() async {
-      ref.read(productDetailProvider(_providerKey).notifier).loadProductDetail(
+      await ref.read(productDetailProvider(_providerKey).notifier).loadProductDetail(
             widget.warehouseId,
             widget.productId,
           );
+
+      // If stageId is provided, auto-select that stage
+      if (widget.stageId != null) {
+        final stages = ref.read(productDetailProvider(_providerKey)).stages;
+        final stageIndex = stages.indexWhere(
+          (stage) => stage.productStageId == widget.stageId,
+        );
+        if (stageIndex != -1) {
+          ref.read(productDetailProvider(_providerKey).notifier).selectStage(stageIndex);
+        }
+      }
     });
   }
 
@@ -166,12 +180,58 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
       );
     }
 
+    // Filter stages if stageId is provided
+    final displayStages = widget.stageId != null
+        ? stages.where((stage) => stage.productStageId == widget.stageId).toList()
+        : stages;
+
+    // When stageId is provided but no matching stage found
+    if (widget.stageId != null && displayStages.isEmpty && stages.isNotEmpty) {
+      return Scaffold(
+        body: Center(
+          child: Padding(
+            padding: const EdgeInsets.all(24),
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Icon(
+                  Icons.search_off,
+                  size: 64,
+                  color: theme.colorScheme.error,
+                ),
+                const SizedBox(height: 16),
+                Text(
+                  'Stage Not Found',
+                  style: theme.textTheme.titleLarge?.copyWith(
+                    color: theme.colorScheme.error,
+                  ),
+                ),
+                const SizedBox(height: 8),
+                Text(
+                  'Stage with ID ${widget.stageId} was not found in this product.',
+                  textAlign: TextAlign.center,
+                  style: theme.textTheme.bodyMedium,
+                ),
+                const SizedBox(height: 24),
+                FilledButton.icon(
+                  onPressed: () => Navigator.pop(context),
+                  icon: const Icon(Icons.arrow_back),
+                  label: const Text('Go Back'),
+                ),
+              ],
+            ),
+          ),
+        ),
+      );
+    }
+
     return RefreshIndicator(
       onRefresh: _onRefresh,
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           // Stage chips section
+          if (displayStages.isNotEmpty)
             Container(
               width: double.infinity,
               padding: const EdgeInsets.all(16),
@@ -185,29 +245,61 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
               ),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Row(
                     children: [
                       Text(
-                  'Production Stages (${stages.length})',
+                        widget.stageId != null
+                            ? 'Selected Stage'
+                            : 'Production Stages (${displayStages.length})',
                         style: theme.textTheme.titleSmall?.copyWith(
                           fontWeight: FontWeight.bold,
                         ),
                       ),
+                      if (widget.stageId != null) ...[
+                        const Spacer(),
+                        Container(
+                          padding: const EdgeInsets.symmetric(
+                            horizontal: 8,
+                            vertical: 4,
+                          ),
+                          decoration: BoxDecoration(
+                            color: theme.colorScheme.primaryContainer,
+                            borderRadius: BorderRadius.circular(4),
+                          ),
+                          child: Text(
+                            'ID: ${widget.stageId}',
+                            style: theme.textTheme.bodySmall?.copyWith(
+                              color: theme.colorScheme.onPrimaryContainer,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                        ),
+                      ],
+                    ],
+                  ),
                   const SizedBox(height: 12),
                   Wrap(
                     spacing: 8,
                     runSpacing: 8,
-                  children: List.generate(stages.length, (index) {
+                    children: List.generate(displayStages.length, (index) {
-                    final stage = stages[index];
+                      final stage = displayStages[index];
-                    final isSelected = index == selectedIndex;
+                      // When stageId is provided, check if this stage matches the stageId
+                      // Otherwise, check if the index matches the selected index
+                      final isSelected = widget.stageId != null
+                          ? stage.productStageId == widget.stageId
+                          : stages.indexOf(stage) == selectedIndex;
 
                       return FilterChip(
                         selected: isSelected,
                         label: Text(stage.displayName),
-                      onSelected: (_) {
+                        onSelected: widget.stageId == null
+                            ? (_) {
                                 ref
                                     .read(productDetailProvider(_providerKey).notifier)
-                            .selectStage(index);
+                                    .selectStage(stages.indexOf(stage));
-                      },
+                              }
+                            : null, // Disable selection when specific stage is shown
                         backgroundColor: theme.colorScheme.surface,
                         selectedColor: theme.colorScheme.primaryContainer,
                         checkmarkColor: theme.colorScheme.primary,
@@ -226,16 +318,24 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
 
           // Stage details section
           Expanded(
-            child: selectedStage == null
+            child: () {
-                ? const Center(child: Text('No stage selected'))
+              // When stageId is provided, use the filtered stage
-                : SingleChildScrollView(
+              final stageToShow = widget.stageId != null && displayStages.isNotEmpty
+                  ? displayStages.first
+                  : selectedStage;
+
+              if (stageToShow == null) {
+                return const Center(child: Text('No stage selected'));
+              }
+
+              return SingleChildScrollView(
                     physics: const AlwaysScrollableScrollPhysics(),
                     padding: const EdgeInsets.all(16),
                     child: Column(
                       crossAxisAlignment: CrossAxisAlignment.start,
                       children: [
                         // Stage header
-                        _buildStageHeader(selectedStage, theme),
+                        _buildStageHeader(stageToShow, theme),
                         const SizedBox(height: 16),
 
                         // Quantity information
@@ -244,16 +344,16 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
                           title: 'Quantities',
                           icon: Icons.inventory_outlined,
                           children: [
-                            _buildInfoRow('Passed Quantity', '${selectedStage.passedQuantity}'),
+                            _buildInfoRow('Passed Quantity', '${stageToShow.passedQuantity}'),
                             _buildInfoRow(
                               'Passed Weight',
-                              '${selectedStage.passedQuantityWeight.toStringAsFixed(2)} kg',
+                              '${stageToShow.passedQuantityWeight.toStringAsFixed(2)} kg',
                             ),
                             const Divider(height: 24),
-                            _buildInfoRow('Issued Quantity', '${selectedStage.issuedQuantity}'),
+                            _buildInfoRow('Issued Quantity', '${stageToShow.issuedQuantity}'),
                             _buildInfoRow(
                               'Issued Weight',
-                              '${selectedStage.issuedQuantityWeight.toStringAsFixed(2)} kg',
+                              '${stageToShow.issuedQuantityWeight.toStringAsFixed(2)} kg',
                             ),
                           ],
                         ),
@@ -265,21 +365,22 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
                           title: 'Stage Information',
                           icon: Icons.info_outlined,
                           children: [
-                            _buildInfoRow('Product ID', '${selectedStage.productId}'),
+                            _buildInfoRow('Product ID', '${stageToShow.productId}'),
-                            if (selectedStage.productStageId != null)
+                            if (stageToShow.productStageId != null)
-                              _buildInfoRow('Stage ID', '${selectedStage.productStageId}'),
+                              _buildInfoRow('Stage ID', '${stageToShow.productStageId}'),
-                            if (selectedStage.actionTypeId != null)
+                            if (stageToShow.actionTypeId != null)
-                              _buildInfoRow('Action Type ID', '${selectedStage.actionTypeId}'),
+                              _buildInfoRow('Action Type ID', '${stageToShow.actionTypeId}'),
-                            _buildInfoRow('Stage Name', selectedStage.displayName),
+                            _buildInfoRow('Stage Name', stageToShow.displayName),
                           ],
                         ),
                         const SizedBox(height: 16),
 
                         // Status indicators
-                        _buildStatusCards(selectedStage, theme),
+                        _buildStatusCards(stageToShow, theme),
                       ],
                     ),
-                  ),
+                  );
+            }(),
           ),
         ],
       ),

lib/features/products/presentation/pages/products_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
 
 import '../../../../core/di/providers.dart';
 import '../../../../core/router/app_router.dart';
@@ -41,6 +42,141 @@ class _ProductsPageState extends ConsumerState<ProductsPage> {
     await ref.read(productsProvider.notifier).refreshProducts();
   }
 
+  void _showBarcodeScanner() {
+    final controller = MobileScannerController(
+      formats: const [BarcodeFormat.code128],
+      facing: CameraFacing.back,
+    );
+
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      backgroundColor: Colors.transparent,
+      builder: (context) => Container(
+        height: MediaQuery.of(context).size.height * 0.7,
+        decoration: const BoxDecoration(
+          color: Colors.black,
+          borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+        ),
+        child: Column(
+          children: [
+            // Header
+            Container(
+              padding: const EdgeInsets.all(16),
+              decoration: BoxDecoration(
+                color: Colors.grey.shade900,
+                borderRadius: const BorderRadius.vertical(
+                  top: Radius.circular(20),
+                ),
+              ),
+              child: Row(
+                children: [
+                  const Icon(
+                    Icons.qr_code_scanner,
+                    color: Colors.white,
+                  ),
+                  const SizedBox(width: 12),
+                  const Expanded(
+                    child: Text(
+                      'Scan Barcode',
+                      style: TextStyle(
+                        color: Colors.white,
+                        fontSize: 18,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                  ),
+                  IconButton(
+                    icon: const Icon(Icons.close, color: Colors.white),
+                    onPressed: () {
+                      controller.dispose();
+                      Navigator.pop(context);
+                    },
+                  ),
+                ],
+              ),
+            ),
+            // Scanner
+            Expanded(
+              child: MobileScanner(
+                controller: controller,
+                onDetect: (capture) {
+                  final List<Barcode> barcodes = capture.barcodes;
+                  if (barcodes.isNotEmpty) {
+                    final barcode = barcodes.first.rawValue;
+                    if (barcode != null) {
+                      controller.dispose();
+                      Navigator.pop(context);
+                      _handleScannedBarcode(barcode);
+                    }
+                  }
+                },
+              ),
+            ),
+            // Instructions
+            Container(
+              padding: const EdgeInsets.all(16),
+              color: Colors.grey.shade900,
+              child: const Text(
+                'Position the Code 128 barcode within the frame to scan',
+                style: TextStyle(
+                  color: Colors.white70,
+                  fontSize: 14,
+                ),
+                textAlign: TextAlign.center,
+              ),
+            ),
+          ],
+        ),
+      ),
+    ).whenComplete(() => controller.dispose());
+  }
+
+  void _handleScannedBarcode(String barcode) {
+    // Parse barcode to extract productId and optional stageId
+    // Format 1: "123" (only productId)
+    // Format 2: "123-456" (productId-stageId)
+
+    int? productId;
+    int? stageId;
+
+    if (barcode.contains('-')) {
+      // Format: productId-stageId
+      final parts = barcode.split('-');
+      if (parts.length == 2) {
+        productId = int.tryParse(parts[0]);
+        stageId = int.tryParse(parts[1]);
+      }
+    } else {
+      // Format: productId only
+      productId = int.tryParse(barcode);
+    }
+
+    if (productId == null) {
+      // Invalid barcode format
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text('Invalid barcode format: "$barcode"'),
+          backgroundColor: Colors.red,
+          action: SnackBarAction(
+            label: 'OK',
+            textColor: Colors.white,
+            onPressed: () {},
+          ),
+        ),
+      );
+      return;
+    }
+
+    // Navigate to product detail with productId and optional stageId
+    context.goToProductDetail(
+      warehouseId: widget.warehouseId,
+      productId: productId,
+      warehouseName: widget.warehouseName,
+      stageId: stageId,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
@@ -83,6 +219,13 @@ class _ProductsPageState extends ConsumerState<ProductsPage> {
         products: products,
         theme: theme,
       ),
+      floatingActionButton: products.isNotEmpty
+          ? FloatingActionButton(
+              onPressed: _showBarcodeScanner,
+              tooltip: 'Scan Barcode',
+              child: const Icon(Icons.qr_code_scanner),
+            )
+          : null,
     );
   }