Implement printing status card and fix transaction screen issues

android/app/build.gradle

@@ -5,6 +5,35 @@ plugins {
     id "dev.flutter.flutter-gradle-plugin"
 }
 
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.example.cashumit"
     compileSdk = 35
@@ -26,15 +55,22 @@ android {
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
         targetSdk = flutter.targetSdkVersion
-        versionCode = flutter.versionCode
+        versionCode = flutter.versionCode.toInteger()
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
+        }
+    }
+    
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.debug
+            signingConfig signingConfigs.release
         }
     }
 }

lib/features/transaction_screen.dart

@@ -6,6 +6,7 @@ import 'package:cashumit/services/firefly_api_service.dart';
 import 'package:bluetooth_print/bluetooth_print.dart';
 import 'package:bluetooth_print/bluetooth_print_model.dart';
 import 'package:cashumit/utils/currency_format.dart';
+import 'package:cashumit/widgets/printing_status_card.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class TransactionScreen extends StatefulWidget {
@@ -40,6 +41,9 @@ class _TransactionScreenState extends State<TransactionScreen> {
   String? _destinationAccountName;
   bool _isLoadingAccounts = false;
   
+  // Printing status
+  bool _isPrinting = false;
+  
   // Controllers for manual account input
   final TextEditingController _sourceAccountController = TextEditingController();
   final TextEditingController _destinationAccountController = TextEditingController();
@@ -451,6 +455,11 @@ class _TransactionScreenState extends State<TransactionScreen> {
 
     if (confirmed != true) return;
 
+    // Tampilkan status printing
+    setState(() {
+      _isPrinting = true;
+    });
+
     // Cetak struk
     final printService = PrintService();
     final printed = await printService.printTransaction(
@@ -459,6 +468,11 @@ class _TransactionScreenState extends State<TransactionScreen> {
       'Jl. Merdeka No. 123, Jakarta',
     );
 
+    // Sembunyikan status printing
+    setState(() {
+      _isPrinting = false;
+    });
+
     if (!printed) {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
@@ -507,7 +521,9 @@ class _TransactionScreenState extends State<TransactionScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return Stack(
+      children: [
+        Scaffold(
           appBar: AppBar(
             title: const Text('Aplikasi Kasir'),
             actions: [
@@ -725,6 +741,16 @@ class _TransactionScreenState extends State<TransactionScreen> {
               ),
             ),
           ),
+        ),
+        PrintingStatusCard(
+          isVisible: _isPrinting,
+          onDismiss: () {
+            setState(() {
+              _isPrinting = false;
+            });
+          },
+        ),
+      ],
     );
   }
 

lib/widgets/printing_status_card.dart

@@ -5,10 +5,10 @@ class PrintingStatusCard extends StatefulWidget {
   final VoidCallback? onDismiss;
 
   const PrintingStatusCard({
-    Key? key,
+    super.key,
     required this.isVisible,
     this.onDismiss,
-  }) : super(key: key);
+  }) : super();
 
   @override
   State<PrintingStatusCard> createState() => _PrintingStatusCardState();
@@ -71,12 +71,14 @@ class _PrintingStatusCardState extends State<PrintingStatusCard>
     return AnimatedBuilder(
       animation: _controller,
       builder: (context, child) {
-        return Positioned(
+        return Visibility(
+          visible: widget.isVisible,
+          child: Positioned(
             top: 100,
             left: MediaQuery.of(context).size.width * 0.1,
             right: MediaQuery.of(context).size.width * 0.1,
             child: IgnorePointer(
-            ignoring: !widget.isVisible,
+              ignoring: !_fadeAnimation.value.isNaN && _fadeAnimation.value < 0.5,
               child: Opacity(
                   opacity: _fadeAnimation.value,
                   child: Transform.scale(
@@ -151,6 +153,7 @@ class _PrintingStatusCardState extends State<PrintingStatusCard>
                 ),
               ),
             ),
+          ),
         );
       },
     );