Refactor contact handling and enhance UI with new advert options and localized strings

lib/connector/meshcore_connector.dart

@@ -1680,12 +1680,6 @@ class MeshCoreConnector extends ChangeNotifier {
         _isLoadingContacts = true;
         notifyListeners();
         break;
-      case pushCodeNewAdvert:
-        debugPrint('Got NEW_ADVERT');
-        _handleContact(frame);
-        notifyListeners();
-        unawaited(_persistContacts());
-        break;
       case respCodeContact:
         debugPrint('Got CONTACT');
         _handleContact(frame);
@@ -1743,7 +1737,6 @@ class MeshCoreConnector extends ChangeNotifier {
         break;
       case respCodeCustomVars:
         _handleCustomVars(frame);
-        break;
       default:
         debugPrint('Unknown frame code: $code');
     }

lib/connector/meshcore_protocol.dart

@@ -18,6 +18,10 @@ class BufferReader {
     return data;
   }
 
+  void skipBytes(int count) {
+    _pointer += count;
+  }
+
   Uint8List readRemainingBytes() => readBytes(remaining);
 
   String readString() =>
@@ -135,6 +139,7 @@ const int cmdSendStatusReq = 27;
 const int cmdGetContactByKey = 30;
 const int cmdGetChannel = 31;
 const int cmdSetChannel = 32;
+const int cmdSendTracePath = 36;
 const int cmdGetRadioSettings = 57;
 const int cmdGetTelemetryReq = 39;
 const int cmdGetCustomVar = 40;
@@ -185,6 +190,7 @@ const int pushCodeLoginSuccess = 0x85;
 const int pushCodeLoginFail = 0x86;
 const int pushCodeStatusResponse = 0x87;
 const int pushCodeLogRxData = 0x88;
+const int pushCodeTraceData = 0x89;
 const int pushCodeNewAdvert = 0x8A;
 const int pushCodeTelemetryResponse = 0x8B;
 const int pushCodeBinaryResponse = 0x8C;
@@ -718,6 +724,21 @@ Uint8List buildSendBinaryReq(Uint8List repeaterPubKey, {Uint8List? payload}) {
   return writer.toBytes();
 }
 
+//Build a trace request frame
+//[cmd][tag x4][auth x4][flag][payload]
+Uint8List buildTraceReq(int tag, int auth, int flag, {Uint8List? payload})
+{
+  final writer = BufferWriter();
+  writer.writeByte(cmdSendTracePath);
+  writer.writeUInt32LE(tag);
+  writer.writeUInt32LE(auth);
+  writer.writeByte(flag);
+  if (payload != null && payload.isNotEmpty) {
+    writer.writeBytes(payload);
+  }
+  return writer.toBytes();
+}
+
 // Build a export contact frame
 // [cmd][pub_key x32 / if empty exports your contact info]
 Uint8List buildExportContactFrame(Uint8List pubKey) {

lib/l10n/app_en.arb

@@ -1327,5 +1327,9 @@
   "contacts_clipboardEmpty": "Clipboard Is Empty.",
   "contacts_invalidAdvertFormat": "Invalid Contact Data",
   "contacts_contactImported": "Contact has been Imported.",
-  "contacts_contactImportFailed": "Contact Failed to Imported."
+  "contacts_contactImportFailed": "Contact Failed to Imported.",
+  "contacts_zeroHopAdvert":"Zero Hop Advert",
+  "contacts_floodAdvert":"Flood Advert",
+  "contacts_copyAdvertToClipboard":"Copy Advert to Clipboard",
+  "contacts_addContactFromClipboard":"Add Contact from Clipboard"
 }

lib/models/contact.dart

@@ -102,6 +102,10 @@ class Contact {
     return parts.join(',');
   }
 
+  String get shortPubKeyHex {
+    return "<${publicKeyHex.substring(0, 8)}...${publicKeyHex.substring(publicKeyHex.length - 8)}>";
+  }
+
   Uint8List get _pathBytesForDisplay {
     if (pathOverride != null) {
       if (pathOverride! < 0) return Uint8List(0);

lib/screens/contacts_screen.dart

@@ -177,7 +177,7 @@ class _ContactsScreenState extends State<ContactsScreen>
                   children: [
                     const Icon(Icons.connect_without_contact),
                     const SizedBox(width: 8),
-                    Text("Zero Hop Advert"),
+                    Text(context.l10n.contacts_zeroHopAdvert),
                   ],
                 ),
                 onTap: () => {
@@ -192,7 +192,7 @@ class _ContactsScreenState extends State<ContactsScreen>
                   children: [
                     const Icon(Icons.cell_tower),
                     const SizedBox(width: 8),
-                    Text("Flood Advert"),
+                    Text(context.l10n.contacts_floodAdvert),
                   ],
                 ),
                 onTap: () => {
@@ -207,7 +207,7 @@ class _ContactsScreenState extends State<ContactsScreen>
                   children: [
                     const Icon(Icons.copy),
                     const SizedBox(width: 8),
-                    Text("Copy Advert to Clipboard"),
+                    Text(context.l10n.contacts_copyAdvertToClipboard),
                   ],
                 ),
                 onTap: () => _contactExport(Uint8List.fromList([])),
@@ -217,7 +217,7 @@ class _ContactsScreenState extends State<ContactsScreen>
                   children: [
                     const Icon(Icons.paste),
                     const SizedBox(width: 8),
-                    Text("Add Contact from Clipboard"),
+                    Text(context.l10n.contacts_addContactFromClipboard),
                   ],
                 ),
                 onTap: () => _contactImport(),
@@ -227,12 +227,22 @@ class _ContactsScreenState extends State<ContactsScreen>
             ),
             PopupMenuButton(
               itemBuilder: (context) => [
+                PopupMenuItem(
+                  child: Row(
+                    children: [
+                      const Icon(Icons.logout, color: Colors.red),
+                      const SizedBox(width: 8),
+                      Text(context.l10n.common_disconnect),
+                    ],
+                  ),
+                  onTap: () => _disconnect(context, connector),
+                ),
                 PopupMenuItem(
                   child: Row(
                     children: [
                       const Icon(Icons.settings),
                       const SizedBox(width: 8),
-                      const Text('Settings'),
+                      Text(context.l10n.settings_title),
                     ],
                   ),
                   onTap: () => Navigator.push(
@@ -240,16 +250,6 @@ class _ContactsScreenState extends State<ContactsScreen>
                     MaterialPageRoute(builder: (context) => const SettingsScreen()),
                   ),
                 ),
-                                PopupMenuItem(
-                  child: Row(
-                    children: [
-                      const Icon(Icons.logout, color: Colors.red),
-                      const SizedBox(width: 8),
-                      const Text('Disconnect'),
-                    ],
-                  ),
-                  onTap: () => _disconnect(context, connector),
-                )
               ],
               icon: const Icon(Icons.more_vert),
             ),
@@ -930,7 +930,7 @@ class _ContactsScreenState extends State<ContactsScreen>
                   _showRoomLogin(context, contact, RoomLoginDestination.management);
                 },
               ),
-            ] else
+            ] else ...[
               ListTile(
                 leading: const Icon(Icons.chat),
                 title: Text(context.l10n.contacts_openChat),
@@ -1005,17 +1005,16 @@ class _ContactTile extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final shotPublicKey =
-        "<${contact.publicKeyHex.substring(0, 8)}...${contact.publicKeyHex.substring(contact.publicKeyHex.length - 8)}>";
     return ListTile(
       leading: CircleAvatar(
         backgroundColor: _getTypeColor(contact.type),
         child: _buildContactAvatar(contact),
       ),
       title: Text(contact.name),
-      subtitle: Text(
-        '${contact.typeLabel}\n${contact.shortPubKeyHex}',
-      ),
+      subtitle: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+        Text(contact.pathLabel),
+        Text(contact.shortPubKeyHex, style: TextStyle(fontSize: 12))
+      ],),
       // Clamp text scaling in trailing section to prevent overflow while
       // maintaining accessibility. Primary content (title/subtitle) scales normally.
       trailing: MediaQuery(
@@ -1039,21 +1038,15 @@ class _ContactTile extends StatelessWidget {
             Row(
               mainAxisSize: MainAxisSize.min,
               children: [
-              Text(contact.pathLabel,
-                  style: TextStyle(fontSize: 12, color: Colors.grey[600])),
               if (contact.hasLocation)
                 Icon(Icons.location_on, size: 14, color: Colors.grey[400]),
               ],
             ),
-          Text(
-            _formatLastSeen(context, lastSeen),
-            style: TextStyle(fontSize: 12, color: Colors.grey[600]),
-          ),
-          if (contact.hasLocation)
-            Icon(Icons.location_on, size: 14, color: Colors.grey[400]),
           ],
         ),
       ),
+      onTap: onTap,
+      onLongPress: onLongPress,
     );
   }