memperbaiki beberapa fitur

mobile_TA/padi_app/lib/screen/login.dart

@@ -35,7 +35,7 @@ class _LoginScreenState extends State<LoginScreen> {
     try {
       final response = await http
           .post(
-            Uri.parse('http://192.168.18.23:8000/api/mobile/login'),
+            Uri.parse('http://192.168.43.222:8000/api/mobile/login'),
             headers: {
               'Accept': 'application/json',
               'Content-Type': 'application/json',

mobile_TA/padi_app/lib/screen/register_screen.dart

@@ -45,7 +45,7 @@ class _RegisterScreenState extends State<RegisterScreen> {
     try {
       final response = await http
           .post(
-            Uri.parse('http://192.168.18.23:8000/api/mobile/register'),
+            Uri.parse('http://192.168.43.222:8000/api/mobile/register'),
             headers: {
               'Accept': 'application/json',
               'Content-Type': 'application/json',

mobile_TA/padi_app/lib/screen/result_screen.dart

@@ -454,7 +454,7 @@ class _ResultScreenState extends State<ResultScreen> {
                   
                   // Harga
                   Text(
-                    'Rp ${product.price.toStringAsFixed(0)}',
+                    'Rp ${_formatPrice(product.price)}',
                     style: const TextStyle(
                       fontSize: 11,
                       fontWeight: FontWeight.bold,
@@ -498,15 +498,29 @@ class _ResultScreenState extends State<ResultScreen> {
   }
 
   Future<void> _launchUrl(String urlString) async {
-    final Uri url = Uri.parse(urlString);
+    final String trimmed = urlString.trim();
+    if (trimmed.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Link kosong')),
+      );
+      return;
+    }
+
+    final Uri? parsed = Uri.tryParse(trimmed);
+    final Uri url = (parsed != null && parsed.hasScheme)
+        ? parsed
+        : Uri.parse('https://$trimmed');
+
     try {
-      if (await canLaunchUrl(url)) {
+      final bool opened = await launchUrl(url, mode: LaunchMode.externalApplication);
-        await launchUrl(url, mode: LaunchMode.externalApplication);
+      if (!opened) {
-      } else {
+        final bool fallbackOpened = await launchUrl(url, mode: LaunchMode.platformDefault);
+        if (!fallbackOpened) {
           ScaffoldMessenger.of(context).showSnackBar(
             const SnackBar(content: Text('Tidak dapat membuka link')),
           );
         }
+      }
     } catch (e) {
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text('Error: $e')),
@@ -514,6 +528,20 @@ class _ResultScreenState extends State<ResultScreen> {
     }
   }
 
+  String _formatPrice(double price) {
+    final value = price.round();
+    final raw = value.toString();
+    final buffer = StringBuffer();
+    for (int i = 0; i < raw.length; i++) {
+      final position = raw.length - i;
+      buffer.write(raw[i]);
+      if (position > 1 && position % 3 == 1) {
+        buffer.write('.');
+      }
+    }
+    return buffer.toString();
+  }
+
   void _showDetailPopup(BuildContext context) {
     showDialog(
       context: context,

mobile_TA/padi_app/lib/services/classification_service.dart

@@ -10,7 +10,7 @@ class ClassificationService {
   // Device Fisik (WiFi): http://192.168.x.x:8000/api/classification (ganti dengan IP komputer Anda)
   // Testing Lokal: http://127.0.0.1:8000/api/classification
   // Production (ngrok): https://gobony-wedgy-cathi.ngrok-free.dev/api/classification
-  static const String _apiRoot = 'http://192.168.18.23:8000/api';
+  static const String _apiRoot = 'https://gobony-wedgy-cathi.ngrok-free.dev/api';
   static const String _baseUrl = '$_apiRoot/classification';
   static const String _historyUrl = '$_apiRoot/classifications';
   

mobile_TA/padi_app/lib/services/product_service.dart

@@ -41,7 +41,7 @@ class ProductItem {
 
 class ProductService {
   // Samakan dengan API root di classification_service.dart
-  static const String _apiRoot = 'http://192.168.18.23:8000/api';
+  static const String _apiRoot = 'https://gobony-wedgy-cathi.ngrok-free.dev/api';
   static const String _productsUrl = '$_apiRoot/products';
 
   final http.Client _httpClient;