i8n과 광고 수정

lib/screens/sms_scan_screen.dart

@@ -9,6 +9,7 @@ import '../l10n/app_localizations.dart';
 import '../widgets/payment_card/payment_card_form_sheet.dart';
 import '../routes/app_routes.dart';
 import '../models/payment_card_suggestion.dart';
+import '../theme/ui_constants.dart';
 
 class SmsScanScreen extends StatefulWidget {
   const SmsScanScreen({super.key});
@@ -56,7 +57,7 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
 
     if (_controller.scannedSubscriptions.isEmpty) {
       return ScanInitialWidget(
-        onScanPressed: () => _controller.scanSms(context),
+        onScanPressed: () => _controller.startScan(context),
         errorMessage: _controller.errorMessage,
       );
     }
@@ -75,7 +76,7 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
         }
       });
       return ScanInitialWidget(
-        onScanPressed: () => _controller.scanSms(context),
+        onScanPressed: () => _controller.startScan(context),
         errorMessage: _controller.errorMessage,
       );
     }
@@ -104,7 +105,7 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
           onPaymentCardChanged: _controller.setSelectedPaymentCardId,
           enableServiceNameEditing: _controller.isServiceNameEditable,
           onServiceNameChanged: _controller.isServiceNameEditable
-              ? _controller.updateCurrentServiceName
+              ? (value) => _controller.updateCurrentServiceName(context, value)
               : null,
           onAddCard: () async {
             final newCardId = await PaymentCardFormSheet.show(context);
@@ -160,22 +161,83 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return SingleChildScrollView(
-      controller: _scrollController,
-      padding: EdgeInsets.zero,
-      child: Column(
-        children: [
-          // toolbar 높이 추가
-          SizedBox(
-            height: kToolbarHeight + MediaQuery.of(context).padding.top,
+    return Stack(
+      children: [
+        SingleChildScrollView(
+          controller: _scrollController,
+          padding: EdgeInsets.zero,
+          child: Padding(
+            padding: const EdgeInsets.only(top: UIConstants.pageTopPadding),
+            child: Column(
+              children: [
+                _buildContent(),
+                // FloatingNavigationBar를 위한 충분한 하단 여백
+                SizedBox(
+                  height: 120 + MediaQuery.of(context).padding.bottom,
+                ),
+              ],
+            ),
           ),
-          _buildContent(),
-          // FloatingNavigationBar를 위한 충분한 하단 여백
-          SizedBox(
-            height: 120 + MediaQuery.of(context).padding.bottom,
+        ),
+        if (_controller.isAdInProgress)
+          Positioned.fill(
+            child: IgnorePointer(
+              child: Stack(
+                children: [
+                  Container(
+                    color: Theme.of(context)
+                        .colorScheme
+                        .surface
+                        .withValues(alpha: 0.4),
+                  ),
+                  Center(
+                    child: DecoratedBox(
+                      decoration: BoxDecoration(
+                        color: Theme.of(context)
+                            .colorScheme
+                            .surfaceContainerHighest
+                            .withValues(alpha: 0.9),
+                        borderRadius: BorderRadius.circular(16),
+                      ),
+                      child: Padding(
+                        padding: const EdgeInsets.symmetric(
+                            horizontal: 20, vertical: 16),
+                        child: Row(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            SizedBox(
+                              width: 18,
+                              height: 18,
+                              child: CircularProgressIndicator(
+                                strokeWidth: 2,
+                                valueColor: AlwaysStoppedAnimation<Color>(
+                                  Theme.of(context).colorScheme.primary,
+                                ),
+                              ),
+                            ),
+                            const SizedBox(width: 12),
+                            Text(
+                              AppLocalizations.of(context).scanningMessages,
+                              style: Theme.of(context)
+                                  .textTheme
+                                  .titleMedium
+                                  ?.copyWith(
+                                    color:
+                                        Theme.of(context).colorScheme.onSurface,
+                                    fontWeight: FontWeight.w700,
+                                  ),
+                              textAlign: TextAlign.center,
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
           ),
-        ],
-      ),
+      ],
     );
   }
 }