fix some bugs

lib/l10n/app_en.arb

@@ -290,6 +290,7 @@
   "receiveNow": "Receive now",
   "receiveLater": "Receive later",
   "tokenSavedForLater": "Token saved to claim later",
+  "noConnectionTokenSaved": "No connection. Token saved to claim later.",
   "pendingTokenLimitReached": "Pending tokens limit reached (max 50)",
   "filterToReceive": "To receive",
   "noPendingTokens": "No pending tokens",

lib/l10n/app_es.arb

@@ -410,6 +410,7 @@
   "receiveNow": "Recibir ahora",
   "receiveLater": "Recibir después",
   "tokenSavedForLater": "Token guardado para reclamar después",
+  "noConnectionTokenSaved": "Sin conexión. Token guardado para reclamar después.",
   "pendingTokenLimitReached": "Límite de tokens pendientes alcanzado (max 50)",
   "filterToReceive": "Para recibir",
   "noPendingTokens": "Sin tokens pendientes",

lib/screens/4_receive/receive_screen.dart

@@ -3,6 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:connectivity_plus/connectivity_plus.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -114,20 +115,10 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
           ),
         ),
 
-        // Botones guardar para después y reclamar (fijo abajo)
+        // Botón recibir (fijo abajo)
         Padding(
           padding: const EdgeInsets.all(AppDimensions.paddingMedium),
-          child: Column(
-            children: [
-              // Botón principal: Guardar para después
-              if (_isValidToken && _tokenInfo != null && !_isProcessing) ...[
-                _buildReceiveLaterButton(),
-                const SizedBox(height: AppDimensions.paddingSmall),
-              ],
-              // Botón secundario: Reclamar ahora
-              _buildClaimButton(),
-            ],
-          ),
+          child: _buildReceiveButton(),
         ),
       ],
     );
@@ -404,53 +395,91 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     );
   }
 
-  Widget _buildClaimButton() {
+  Widget _buildReceiveButton() {
     final l10n = L10n.of(context)!;
-    // Botón principal (naranja) para reclamar - abajo, cerca de los dedos
     return PrimaryButton(
-      text: _isProcessing ? l10n.claiming : l10n.receiveNow,
-      onPressed: _isValidToken && !_isProcessing ? _claimToken : null,
+      text: _isProcessing ? l10n.claiming : l10n.receive,
+      onPressed: _isValidToken && !_isProcessing ? _receiveToken : null,
     );
   }
 
-  Widget _buildReceiveLaterButton() {
-    final l10n = L10n.of(context)!;
-    // Botón secundario (outline) para guardar para después
-    return GestureDetector(
-      onTap: _saveForLater,
-      child: Container(
-        width: double.infinity,
-        padding: const EdgeInsets.symmetric(vertical: 14),
-        decoration: BoxDecoration(
-          color: Colors.white.withValues(alpha: 0.08),
-          borderRadius: BorderRadius.circular(12),
-          border: Border.all(
-            color: Colors.white.withValues(alpha: 0.2),
-            width: 1,
+  /// Verifica si hay conexión a internet
+  Future<bool> _checkConnectivity() async {
+    final result = await Connectivity().checkConnectivity();
+    return !result.contains(ConnectivityResult.none);
+  }
+
+  /// Recibe el token: si hay conexión lo reclama, si no lo guarda para después
+  Future<void> _receiveToken() async {
+    if (_isProcessing) return;
+    setState(() => _isProcessing = true);
+
+    try {
+      final hasConnection = await _checkConnectivity();
+
+      if (hasConnection) {
+        await _claimToken();
+      } else {
+        await _saveForLaterOffline();
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Error: ${e.toString()}'),
+            backgroundColor: AppColors.error,
           ),
-        ),
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Icon(
-              LucideIcons.clock,
-              color: AppColors.textSecondary,
-              size: 18,
+        );
+      }
+    } finally {
+      if (mounted && !_showSuccess) {
+        setState(() => _isProcessing = false);
+      }
+    }
+  }
+
+  /// Guarda el token para después cuando no hay conexión
+  Future<void> _saveForLaterOffline() async {
+    final l10n = L10n.of(context)!;
+    final walletProvider = context.read<WalletProvider>();
+
+    try {
+      final pending = await walletProvider.addPendingToken(
+        _tokenController.text.trim(),
+      );
+
+      if (pending != null) {
+        if (mounted) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              content: Text(l10n.noConnectionTokenSaved),
+              backgroundColor: AppColors.warning,
+              duration: const Duration(seconds: 4),
             ),
-            const SizedBox(width: 8),
-            Text(
-              l10n.receiveLater,
-              style: TextStyle(
-                fontFamily: 'Inter',
-                fontSize: 16,
-                fontWeight: FontWeight.w500,
-                color: AppColors.textSecondary,
-              ),
+          );
+          Navigator.pop(context);
+        }
+      } else {
+        if (mounted) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              content: Text(l10n.pendingTokenLimitReached),
+              backgroundColor: AppColors.warning,
+              duration: const Duration(seconds: 3),
             ),
-          ],
-        ),
-      ),
-    );
+          );
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Error: ${e.toString()}'),
+            backgroundColor: AppColors.error,
+          ),
+        );
+      }
+    }
   }
 
   Future<void> _pasteFromClipboard() async {
@@ -487,61 +516,8 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     });
   }
 
-  Future<void> _saveForLater() async {
-    if (_isProcessing) return; // Guard contra doble-tap
-
-    setState(() => _isProcessing = true);
-
-    final l10n = L10n.of(context)!;
-    final walletProvider = context.read<WalletProvider>();
-
-    try {
-      final pending = await walletProvider.addPendingToken(
-        _tokenController.text.trim(),
-      );
-
-      if (pending != null) {
-        if (mounted) {
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text(l10n.tokenSavedForLater),
-              backgroundColor: AppColors.success,
-              duration: const Duration(seconds: 2),
-            ),
-          );
-          Navigator.pop(context);
-        }
-      } else {
-        // Límite alcanzado
-        if (mounted) {
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text(l10n.pendingTokenLimitReached),
-              backgroundColor: AppColors.warning,
-              duration: const Duration(seconds: 3),
-            ),
-          );
-        }
-      }
-    } catch (e) {
-      if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(
-            content: Text('Error: ${e.toString()}'),
-            backgroundColor: AppColors.error,
-          ),
-        );
-      }
-    } finally {
-      if (mounted) {
-        setState(() => _isProcessing = false);
-      }
-    }
-  }
-
   Future<void> _claimToken() async {
     setState(() {
-      _isProcessing = true;
       _errorMessage = null;
     });
 
@@ -561,7 +537,6 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
           _receivedAmount = amountReceived;
           _receivedUnit = detectedUnit; // Usar unidad del token
           _showSuccess = true;
-          _isProcessing = false;
         });
 
         // Disparar confetti
@@ -583,12 +558,6 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
       setState(() {
         _errorMessage = errorMessage;
       });
-    } finally {
-      if (mounted && !_showSuccess) {
-        setState(() {
-          _isProcessing = false;
-        });
-      }
     }
   }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,7 @@
 import FlutterMacOS
 import Foundation
 
+import connectivity_plus
 import flutter_secure_storage_macos
 import path_provider_foundation
 import share_plus
@@ -13,6 +14,7 @@ import sqflite_darwin
 import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  ConnectivityPlusPlugin.register(with: registry.registrar(forPlugin: "ConnectivityPlusPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))

pubspec.lock

@@ -106,6 +106,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.0"
+  connectivity_plus:
+    dependency: "direct main"
+    description:
+      name: connectivity_plus
+      sha256: b5e72753cf63becce2c61fd04dfe0f1c430cc5278b53a1342dc5ad839eab29ec
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.5"
+  connectivity_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: connectivity_plus_platform_interface
+      sha256: "42657c1715d48b167930d5f34d00222ac100475f73d10162ddf43e714932f204"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   convert:
     dependency: transitive
     description:
@@ -146,6 +162,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: d0c98dcd4f5169878b6cf8f6e0a52403a9dff371a3e2f019697accbf6f44a270
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.12"
   fake_async:
     dependency: transitive
     description:
@@ -446,6 +470,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  nm:
+    dependency: transitive
+    description:
+      name: nm
+      sha256: "2c9aae4127bdc8993206464fcc063611e0e36e72018696cd9631023a31b24254"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.0"
   path:
     dependency: transitive
     description:

pubspec.yaml

@@ -52,6 +52,9 @@ dependencies:
   # UUID generator for pending tokens
   uuid: ^4.3.3
 
+  # Connectivity detection
+  connectivity_plus: ^6.0.5
+
 dev_dependencies:
   flutter_test:
     sdk: flutter

windows/flutter/generated_plugin_registrant.cc

@@ -6,11 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <connectivity_plus/connectivity_plus_windows_plugin.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <share_plus/share_plus_windows_plugin_c_api.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  ConnectivityPlusWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
   SharePlusWindowsPluginCApiRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  connectivity_plus
   flutter_secure_storage_windows
   share_plus
   url_launcher_windows