Merge pull request #48 from wel97459/dev-gps

Added GPS enable and GPS interval settings.

lib/connector/meshcore_protocol.dart

@@ -20,7 +20,8 @@ class BufferReader {
 
   Uint8List readRemainingBytes() => readBytes(remaining);
 
-  String readString() => utf8.decode(readRemainingBytes(), allowMalformed: true);
+  String readString() =>
+      utf8.decode(readRemainingBytes(), allowMalformed: true);
 
   String readCString(int maxLength) {
     final value = <int>[];
@@ -38,13 +39,19 @@ class BufferReader {
 
   int readUInt8() => readBytes(1).buffer.asByteData().getUint8(0);
   int readInt8() => readBytes(1).buffer.asByteData().getInt8(0);
-  int readUInt16LE() => readBytes(2).buffer.asByteData().getUint16(0, Endian.little);
+  int readUInt16LE() =>
-  int readUInt16BE() => readBytes(2).buffer.asByteData().getUint16(0, Endian.big);
+      readBytes(2).buffer.asByteData().getUint16(0, Endian.little);
-  int readUInt32LE() => readBytes(4).buffer.asByteData().getUint32(0, Endian.little);
+  int readUInt16BE() =>
-  int readUInt32BE() => readBytes(4).buffer.asByteData().getUint32(0, Endian.big);
+      readBytes(2).buffer.asByteData().getUint16(0, Endian.big);
-  int readInt16LE() => readBytes(2).buffer.asByteData().getInt16(0, Endian.little);
+  int readUInt32LE() =>
+      readBytes(4).buffer.asByteData().getUint32(0, Endian.little);
+  int readUInt32BE() =>
+      readBytes(4).buffer.asByteData().getUint32(0, Endian.big);
+  int readInt16LE() =>
+      readBytes(2).buffer.asByteData().getInt16(0, Endian.little);
   int readInt16BE() => readBytes(2).buffer.asByteData().getInt16(0, Endian.big);
-  int readInt32LE() => readBytes(4).buffer.asByteData().getInt32(0, Endian.little);
+  int readInt32LE() =>
+      readBytes(4).buffer.asByteData().getInt32(0, Endian.little);
 
   int readInt24BE() {
     var value = (readByte() << 16) | (readByte() << 8) | readByte();
@@ -63,21 +70,25 @@ class BufferWriter {
   void writeBytes(Uint8List bytes) => _builder.add(bytes);
 
   void writeUInt16LE(int num) {
-    final bytes = Uint8List(2)..buffer.asByteData().setUint16(0, num, Endian.little);
+    final bytes = Uint8List(2)
+      ..buffer.asByteData().setUint16(0, num, Endian.little);
     writeBytes(bytes);
   }
 
   void writeUInt32LE(int num) {
-    final bytes = Uint8List(4)..buffer.asByteData().setUint32(0, num, Endian.little);
+    final bytes = Uint8List(4)
+      ..buffer.asByteData().setUint32(0, num, Endian.little);
     writeBytes(bytes);
   }
 
   void writeInt32LE(int num) {
-    final bytes = Uint8List(4)..buffer.asByteData().setInt32(0, num, Endian.little);
+    final bytes = Uint8List(4)
+      ..buffer.asByteData().setInt32(0, num, Endian.little);
     writeBytes(bytes);
   }
 
-  void writeString(String string) => writeBytes(Uint8List.fromList(utf8.encode(string)));
+  void writeString(String string) =>
+      writeBytes(Uint8List.fromList(utf8.encode(string)));
 
   void writeCString(String string, int maxLength) {
     final bytes = Uint8List(maxLength);
@@ -118,6 +129,8 @@ const int cmdGetChannel = 31;
 const int cmdSetChannel = 32;
 const int cmdGetRadioSettings = 57;
 const int cmdGetTelemetryReq = 39;
+const int cmdGetCustomVar = 40;
+const int cmdSetCustomVar = 41;
 const int cmdSendBinaryReq = 50;
 
 // Text message types
@@ -152,6 +165,7 @@ const int respCodeContactMsgRecvV3 = 16;
 const int respCodeChannelMsgRecvV3 = 17;
 const int respCodeChannelInfo = 18;
 const int respCodeRadioSettings = 25;
+const int respCodeCustomVars = 21;
 
 // Push codes (async from device)
 const int pushCodeAdvert = 0x80;
@@ -166,7 +180,6 @@ const int pushCodeNewAdvert = 0x8A;
 const int pushCodeTelemetryResponse = 0x8B;
 const int pushCodeBinaryResponse = 0x8C;
 
-
 // Contact/advertisement types
 const int advTypeChat = 1;
 const int advTypeRepeater = 2;
@@ -233,10 +246,7 @@ class ParsedContactText {
   final Uint8List senderPrefix;
   final String text;
 
-  const ParsedContactText({
+  const ParsedContactText({required this.senderPrefix, required this.text});
-    required this.senderPrefix,
-    required this.text,
-  });
 }
 
 ParsedContactText? parseContactMessageText(Uint8List frame) {
@@ -265,10 +275,17 @@ ParsedContactText? parseContactMessageText(Uint8List frame) {
     return null;
   }
 
-  var text = readCString(frame, baseTextOffset, frame.length - baseTextOffset).trim();
+  var text = readCString(
+    frame,
+    baseTextOffset,
+    frame.length - baseTextOffset,
+  ).trim();
   if (text.isEmpty && frame.length > baseTextOffset + 4) {
-    text =
+    text = readCString(
-        readCString(frame, baseTextOffset + 4, frame.length - (baseTextOffset + 4)).trim();
+      frame,
+      baseTextOffset + 4,
+      frame.length - (baseTextOffset + 4),
+    ).trim();
   }
   if (text.isEmpty) return null;
 
@@ -362,7 +379,8 @@ Uint8List buildSendTextMsgFrame(
   int attempt = 0,
   int? timestampSeconds,
 }) {
-  final timestamp = timestampSeconds ?? (DateTime.now().millisecondsSinceEpoch ~/ 1000);
+  final timestamp =
+      timestampSeconds ?? (DateTime.now().millisecondsSinceEpoch ~/ 1000);
   final writer = BufferWriter();
   writer.writeByte(cmdSendTxtMsg);
   writer.writeByte(txtTypePlain);
@@ -444,7 +462,9 @@ Uint8List buildSendSelfAdvertFrame({bool flood = false}) {
 // Format: [cmd][name...]
 Uint8List buildSetAdvertNameFrame(String name) {
   final nameBytes = utf8.encode(name);
-  final nameLen = nameBytes.length < maxNameSize ? nameBytes.length : maxNameSize - 1;
+  final nameLen = nameBytes.length < maxNameSize
+      ? nameBytes.length
+      : maxNameSize - 1;
   final writer = BufferWriter();
   writer.writeByte(cmdSetAdvertName);
   writer.writeBytes(Uint8List.fromList(nameBytes.sublist(0, nameLen)));
@@ -461,6 +481,14 @@ Uint8List buildSetAdvertLatLonFrame(double lat, double lon) {
   return writer.toBytes();
 }
 
+Uint8List buildSetCustomVarFrame(String value) {
+  final writer = BufferWriter();
+  writer.writeByte(cmdSetCustomVar);
+  writer.writeString(value);
+  writer.writeByte(0);
+  return writer.toBytes();
+}
+
 // Build CMD_REBOOT frame
 // Format: [cmd]["reboot"]
 Uint8List buildRebootFrame() {
@@ -544,7 +572,9 @@ Uint8List buildUpdateContactPathFrame(
   // Path data (64 bytes, zero-padded)
   final pathPadded = Uint8List(maxPathSize);
   if (customPath.isNotEmpty && pathLen > 0) {
-    final copyLen = customPath.length < maxPathSize ? customPath.length : maxPathSize;
+    final copyLen = customPath.length < maxPathSize
+        ? customPath.length
+        : maxPathSize;
     for (int i = 0; i < copyLen; i++) {
       pathPadded[i] = customPath[i];
     }
@@ -575,6 +605,11 @@ Uint8List buildGetRadioSettingsFrame() {
   return Uint8List.fromList([cmdGetRadioSettings]);
 }
 
+//Build CMD_GET_CUSTOM_VARS frame
+Uint8List buildGetCustomVarsFrame() {
+  return Uint8List.fromList([cmdGetCustomVar]);
+}
+
 // Calculate LoRa airtime for a packet
 // Based on Semtech SX127x datasheet formula
 // Returns airtime in milliseconds
@@ -598,9 +633,11 @@ int calculateLoRaAirtime({
   final crc = 1; // CRC enabled
   final de = lowDataRateOptimize ? 1 : 0;
 
-  final numerator = 8 * payloadBytes - 4 * spreadingFactor + 28 + 16 * crc - headerBytes;
+  final numerator =
+      8 * payloadBytes - 4 * spreadingFactor + 28 + 16 * crc - headerBytes;
   final denominator = 4 * (spreadingFactor - 2 * de);
-  var payloadSymbols = 8 + ((numerator / denominator).ceil()) * (codingRate + 4);
+  var payloadSymbols =
+      8 + ((numerator / denominator).ceil()) * (codingRate + 4);
 
   if (payloadSymbols < 0) {
     payloadSymbols = 8;
@@ -647,7 +684,8 @@ Uint8List buildSendCliCommandFrame(
   int attempt = 0,
   int? timestampSeconds,
 }) {
-  final timestamp = timestampSeconds ?? (DateTime.now().millisecondsSinceEpoch ~/ 1000);
+  final timestamp =
+      timestampSeconds ?? (DateTime.now().millisecondsSinceEpoch ~/ 1000);
   final writer = BufferWriter();
   writer.writeByte(cmdSendTxtMsg);
   writer.writeByte(txtTypeCliData);
@@ -661,10 +699,7 @@ Uint8List buildSendCliCommandFrame(
 
 // Build a telemetry request frame
 // Format: [cmd][pub_key x32][payload]
-Uint8List buildSendBinaryReq(
+Uint8List buildSendBinaryReq(Uint8List repeaterPubKey, {Uint8List? payload}) {
-  Uint8List repeaterPubKey, {
-  Uint8List? payload,
-}) {
   final writer = BufferWriter();
   writer.writeByte(cmdSendBinaryReq);
   writer.writeBytes(repeaterPubKey);

lib/l10n/app_bg.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Ще излезе скоро",
   "channels_enterHashtag": "Въведете хаштаг",
   "channels_hashtagHint": "напр. #отбор",
+  "settings_locationIntervalSec": "Интервал за GPS (Секунди)",
+  "settings_locationGPSEnable": "Активиране на GPS",
+  "settings_locationGPSEnableSubtitle": "Активирайте автоматичното актуализиране на местоположението чрез GPS.",
+  "settings_locationIntervalInvalid": "Интервалът трябва да бъде поне 60 секунди и по-малко от 86400 секунди.",
   "room_management": "Управление на сървъра за стая",
   "contacts_manageRoom": "Управление на сървър за стая"
 }

lib/l10n/app_de.arb

@@ -1348,7 +1348,5 @@
   "channels_scanQrCode": "Scannen Sie einen QR-Code",
   "channels_scanQrCodeComingSoon": "Bald verfügbar",
   "channels_enterHashtag": "Gib Hashtag ein",
-  "channels_hashtagHint": "z.B. #team",
+  "channels_hashtagHint": "z.B. #team"
-  "contacts_manageRoom": "Verwalten Sie den Raumserver",
-  "room_management": "Raumserververwaltung"
 }

lib/l10n/app_en.arb

@@ -83,9 +83,13 @@
   "settings_radioSettingsUpdated": "Radio settings updated",
   "settings_location": "Location",
   "settings_locationSubtitle": "GPS coordinates",
-  "settings_locationUpdated": "Location updated",
+  "settings_locationUpdated": "Location and GPS settings updated",
   "settings_locationBothRequired": "Enter both latitude and longitude.",
   "settings_locationInvalid": "Invalid latitude or longitude.",
+  "settings_locationGPSEnable": "GPS Enable",
+  "settings_locationGPSEnableSubtitle": "Enables GPS to automatically update location.",
+  "settings_locationIntervalSec": "Interval for GPS (Seconds)",
+  "settings_locationIntervalInvalid": "Interval must be at least 60 seconds, and less than 86400 seconds.",
   "settings_latitude": "Latitude",
   "settings_longitude": "Longitude",
   "settings_privacyMode": "Privacy Mode",

lib/l10n/app_es.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Próximamente",
   "channels_enterHashtag": "Introducir hashtag",
   "channels_hashtagHint": "ej. #equipo",
+  "settings_locationGPSEnable": "Habilitar GPS",
+  "settings_locationGPSEnableSubtitle": "Habilita la actualización automática de la ubicación mediante GPS.",
+  "settings_locationIntervalSec": "Intervalo para GPS (Segundos)",
+  "settings_locationIntervalInvalid": "El intervalo debe ser de al menos 60 segundos y menor que 86400 segundos.",
   "contacts_manageRoom": "Gestionar Servidor de Habitación",
   "room_management": "Administración del Servidor de Habitación"
 }

lib/l10n/app_fr.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Bientôt disponible",
   "channels_enterHashtag": "Entrez le hashtag",
   "channels_hashtagHint": "ex. #équipe",
-  "contacts_manageRoom": "Gérer le serveur de salle",
+  "settings_locationGPSEnable": "Habilita GPS",
-  "room_management": "Gestion du serveur de pièce"
+  "settings_locationGPSEnableSubtitle": "Habilita la actualización automática de la ubicación mediante GPS.",
+  "settings_locationIntervalSec": "Intervalo pour GPS (Segundos)",
+  "settings_locationIntervalInvalid": "El intervalo debe ser de al menos 60 segundos y menor que 86400 segundos.",
+  "contacts_manageRoom": "Gestionar Servidor de Habitación",
+  "room_management": "Administración del Servidor de Habitación"
 }

lib/l10n/app_it.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Arriverà presto",
   "channels_enterHashtag": "Inserisci hashtag",
   "channels_hashtagHint": "es. #team",
-  "room_management": "Gestione del Server di Camera",
+  "settings_locationGPSEnable": "Abilita GPS",
-  "contacts_manageRoom": "Gestisci Server Camera"
+  "settings_locationGPSEnableSubtitle": "Abilita l'aggiornamento automatico della posizione tramite GPS.",
+  "settings_locationIntervalSec": "Intervallo GPS (Secondi)",
+  "settings_locationIntervalInvalid": "L'intervallo deve essere di almeno 60 secondi e inferiore a 86400 secondi.",
+  "contacts_manageRoom": "Gestisci Server Camera",
+  "room_management": "Gestione del Server di Camera"
 }

lib/l10n/app_localizations.dart

@@ -465,7 +465,7 @@ abstract class AppLocalizations {
   /// No description provided for @settings_locationUpdated.
   ///
   /// In en, this message translates to:
-  /// **'Location updated'**
+  /// **'Location and GPS settings updated'**
   String get settings_locationUpdated;
 
   /// No description provided for @settings_locationBothRequired.
@@ -480,6 +480,30 @@ abstract class AppLocalizations {
   /// **'Invalid latitude or longitude.'**
   String get settings_locationInvalid;
 
+  /// No description provided for @settings_locationGPSEnable.
+  ///
+  /// In en, this message translates to:
+  /// **'GPS Enable'**
+  String get settings_locationGPSEnable;
+
+  /// No description provided for @settings_locationGPSEnableSubtitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Enables GPS to automatically update location.'**
+  String get settings_locationGPSEnableSubtitle;
+
+  /// No description provided for @settings_locationIntervalSec.
+  ///
+  /// In en, this message translates to:
+  /// **'Interval for GPS (Seconds)'**
+  String get settings_locationIntervalSec;
+
+  /// No description provided for @settings_locationIntervalInvalid.
+  ///
+  /// In en, this message translates to:
+  /// **'Interval must be at least 60 seconds, and less than 86400 seconds.'**
+  String get settings_locationIntervalInvalid;
+
   /// No description provided for @settings_latitude.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_bg.dart

@@ -201,6 +201,20 @@ class AppLocalizationsBg extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Невалидна ширина или дължина.';
 
+  @override
+  String get settings_locationGPSEnable => 'Активиране на GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Активирайте автоматичното актуализиране на местоположението чрез GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Интервал за GPS (Секунди)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Интервалът трябва да бъде поне 60 секунди и по-малко от 86400 секунди.';
+
   @override
   String get settings_latitude => 'Широчина';
 

lib/l10n/app_localizations_de.dart

@@ -200,6 +200,20 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Ungültige Breiten- oder Längengrade.';
 
+  @override
+  String get settings_locationGPSEnable => 'GPS Enable';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Enables GPS to automatically update location.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval for GPS (Seconds)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Interval must be at least 60 seconds, and less than 86400 seconds.';
+
   @override
   String get settings_latitude => 'Breitengrad';
 
@@ -648,7 +662,7 @@ class AppLocalizationsDe extends AppLocalizations {
   String get contacts_manageRepeater => 'Wiederholungen verwalten';
 
   @override
-  String get contacts_manageRoom => 'Verwalten Sie den Raumserver';
+  String get contacts_manageRoom => 'Manage Room Server';
 
   @override
   String get contacts_roomLogin => 'Raum-Login';
@@ -1590,7 +1604,7 @@ class AppLocalizationsDe extends AppLocalizations {
   String get repeater_management => 'Repeater-Verwaltung';
 
   @override
-  String get room_management => 'Raumserververwaltung';
+  String get room_management => 'Room Server Management';
 
   @override
   String get repeater_managementTools => 'Verwaltungs-Tools';

lib/l10n/app_localizations_en.dart

@@ -190,7 +190,7 @@ class AppLocalizationsEn extends AppLocalizations {
   String get settings_locationSubtitle => 'GPS coordinates';
 
   @override
-  String get settings_locationUpdated => 'Location updated';
+  String get settings_locationUpdated => 'Location and GPS settings updated';
 
   @override
   String get settings_locationBothRequired =>
@@ -199,6 +199,20 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Invalid latitude or longitude.';
 
+  @override
+  String get settings_locationGPSEnable => 'GPS Enable';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Enables GPS to automatically update location.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval for GPS (Seconds)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Interval must be at least 60 seconds, and less than 86400 seconds.';
+
   @override
   String get settings_latitude => 'Latitude';
 

lib/l10n/app_localizations_es.dart

@@ -200,6 +200,20 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Latitud o longitud inválidos.';
 
+  @override
+  String get settings_locationGPSEnable => 'Habilitar GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Habilita la actualización automática de la ubicación mediante GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Intervalo para GPS (Segundos)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'El intervalo debe ser de al menos 60 segundos y menor que 86400 segundos.';
+
   @override
   String get settings_latitude => 'Latitud';
 

lib/l10n/app_localizations_fr.dart

@@ -200,6 +200,20 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Latitude ou longitude invalide.';
 
+  @override
+  String get settings_locationGPSEnable => 'Habilita GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Habilita la actualización automática de la ubicación mediante GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Intervalo pour GPS (Segundos)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'El intervalo debe ser de al menos 60 segundos y menor que 86400 segundos.';
+
   @override
   String get settings_latitude => 'Latitude';
 
@@ -650,7 +664,7 @@ class AppLocalizationsFr extends AppLocalizations {
   String get contacts_manageRepeater => 'Gérer le répétiteur';
 
   @override
-  String get contacts_manageRoom => 'Gérer le serveur de salle';
+  String get contacts_manageRoom => 'Gestionar Servidor de Habitación';
 
   @override
   String get contacts_roomLogin => 'Connexion Salle';
@@ -1595,7 +1609,7 @@ class AppLocalizationsFr extends AppLocalizations {
   String get repeater_management => 'Gestion des répétiteurs';
 
   @override
-  String get room_management => 'Gestion du serveur de pièce';
+  String get room_management => 'Administración del Servidor de Habitación';
 
   @override
   String get repeater_managementTools => 'Outils de Gestion';

lib/l10n/app_localizations_it.dart

@@ -200,6 +200,20 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Latitudine o longitudine non valida.';
 
+  @override
+  String get settings_locationGPSEnable => 'Abilita GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Abilita l\'aggiornamento automatico della posizione tramite GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Intervallo GPS (Secondi)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'L\'intervallo deve essere di almeno 60 secondi e inferiore a 86400 secondi.';
+
   @override
   String get settings_latitude => 'Latitudine';
 

lib/l10n/app_localizations_nl.dart

@@ -200,6 +200,20 @@ class AppLocalizationsNl extends AppLocalizations {
   String get settings_locationInvalid =>
       'Ongeldige breedtegraad of lengtegraad.';
 
+  @override
+  String get settings_locationGPSEnable => 'GPS inschakelen';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Activeer automatisch locatieupdates via GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval voor GPS (Seconden)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'De intervallen moeten minstens 60 seconden zijn en minder dan 86400 seconden.';
+
   @override
   String get settings_latitude => 'Breedtegraad';
 

lib/l10n/app_localizations_pl.dart

@@ -202,6 +202,20 @@ class AppLocalizationsPl extends AppLocalizations {
   String get settings_locationInvalid =>
       'Nieprawidłowa szerokość geograficzna lub długość geograficzna.';
 
+  @override
+  String get settings_locationGPSEnable => 'Włącz GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Włącza automatyczne aktualizowanie pozycji za pomocą GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interwał dla GPS (Sekundy)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Interwał musi wynosić co najmniej 60 sekund i mniej niż 86400 sekund.';
+
   @override
   String get settings_latitude => 'Szerokość';
 

lib/l10n/app_localizations_pt.dart

@@ -201,6 +201,20 @@ class AppLocalizationsPt extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Latitude ou longitude inválidos.';
 
+  @override
+  String get settings_locationGPSEnable => 'Ativar GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Habilita a atualização automática da localização via GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Intervalo para GPS (Segundos)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'O intervalo deve ser de pelo menos 60 segundos e inferior a 86400 segundos.';
+
   @override
   String get settings_latitude => 'Latitude';
 

lib/l10n/app_localizations_sk.dart

@@ -200,6 +200,20 @@ class AppLocalizationsSk extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Neplatná šírka alebo dĺžka.';
 
+  @override
+  String get settings_locationGPSEnable => 'Aktivovať GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Povolí automatické aktualizovanie polohy pomocou GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval pre GPS (Sekundy)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Interval musí byť aspoň 60 sekúnd a menej ako 86400 sekúnd.';
+
   @override
   String get settings_latitude => 'Súradnica';
 
@@ -1103,7 +1117,7 @@ class AppLocalizationsSk extends AppLocalizations {
 
   @override
   String get chat_clearPathSubtitle =>
-      'Znovu nájsť vynútene pri nasledujacej pošlite';
+      'Znovu nájsť vynútene pri nasledujúcej pošlite';
 
   @override
   String get chat_pathCleared =>

lib/l10n/app_localizations_sl.dart

@@ -200,6 +200,20 @@ class AppLocalizationsSl extends AppLocalizations {
   String get settings_locationInvalid =>
       'Neveljna zemeljska širina ali dolžina.';
 
+  @override
+  String get settings_locationGPSEnable => 'Omogoči GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Omogoči samodejno posodabljanje lokacije z GPS-jem.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval za GPS (Sekunde)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Intervallo mora biti vsaj 60 sekund in manj kot 86400 sekund.';
+
   @override
   String get settings_latitude => 'Širina';
 
@@ -435,7 +449,7 @@ class AppLocalizationsSl extends AppLocalizations {
 
   @override
   String get appSettings_enableNotificationsSubtitle =>
-      'Prejmujte obvestila o sporočilih in oglasih';
+      'Prejmite obvestila o sporočilih in oglasih';
 
   @override
   String get appSettings_notificationPermissionDenied =>
@@ -631,7 +645,7 @@ class AppLocalizationsSl extends AppLocalizations {
 
   @override
   String get contacts_noContactsFound =>
-      'Niti ena osebe ali skupine ni najdena.';
+      'Niti ena oseba ali skupine ni najdena.';
 
   @override
   String get contacts_deleteContact => 'Izbrisati Kontakt';
@@ -683,7 +697,7 @@ class AppLocalizationsSl extends AppLocalizations {
 
   @override
   String get contacts_noContactsMatchFilter =>
-      'Niti ena osebe ne ustreza vašemu kriteriju.';
+      'Niti ena oseba ne ustreza vašemu kriteriju.';
 
   @override
   String get contacts_noMembers => 'Nič članov.';
@@ -1189,7 +1203,7 @@ class AppLocalizationsSl extends AppLocalizations {
 
   @override
   String get map_nodesNeedGps =>
-      'Omrežje morajo deliti svoje GPS koordinate,\nda se prikazajo na zemljeobrazniku.';
+      'Omrežje morajo deliti svoje GPS koordinate,\nda se prikazao na zemljeobrazniku.';
 
   @override
   String map_nodesCount(int count) {

lib/l10n/app_localizations_sv.dart

@@ -199,6 +199,20 @@ class AppLocalizationsSv extends AppLocalizations {
   @override
   String get settings_locationInvalid => 'Ogiltig latitud eller longitud.';
 
+  @override
+  String get settings_locationGPSEnable => 'Aktivera GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle =>
+      'Aktivera automatiska uppdateringar av platsen med hjälp av GPS.';
+
+  @override
+  String get settings_locationIntervalSec => 'Interval för GPS (Sekunder)';
+
+  @override
+  String get settings_locationIntervalInvalid =>
+      'Intervalet måste vara minst 60 sekunder och mindre än 86400 sekunder.';
+
   @override
   String get settings_latitude => 'Latitud';
 

lib/l10n/app_localizations_zh.dart

@@ -196,6 +196,18 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get settings_locationInvalid => '无效的纬度或经度。';
 
+  @override
+  String get settings_locationGPSEnable => '启用GPS';
+
+  @override
+  String get settings_locationGPSEnableSubtitle => '启用GPS自动更新位置。';
+
+  @override
+  String get settings_locationIntervalSec => 'GPS 间隔（秒）';
+
+  @override
+  String get settings_locationIntervalInvalid => '时间间隔必须至少为60秒，且小于86400秒。';
+
   @override
   String get settings_latitude => '纬度';
 

lib/l10n/app_nl.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Komt later",
   "channels_enterHashtag": "Voer hashtag in",
   "channels_hashtagHint": "bijv. #team",
-  "room_management": "Beheer Server Kamer",
+  "settings_locationGPSEnable": "GPS inschakelen",
-  "contacts_manageRoom": "Beheer Ruimte Server"
+  "settings_locationGPSEnableSubtitle": "Activeer automatisch locatieupdates via GPS.",
+  "settings_locationIntervalSec": "Interval voor GPS (Seconden)",
+  "settings_locationIntervalInvalid": "De intervallen moeten minstens 60 seconden zijn en minder dan 86400 seconden.",
+  "contacts_manageRoom": "Beheer Ruimte Server",
+  "room_management": "Beheer Server Kamer"
 }

lib/l10n/app_pl.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Wkrótce",
   "channels_enterHashtag": "Wprowadź hashtag",
   "channels_hashtagHint": "np. #zespół",
+  "settings_locationGPSEnable": "Włącz GPS",
+  "settings_locationGPSEnableSubtitle": "Włącza automatyczne aktualizowanie pozycji za pomocą GPS.",
+  "settings_locationIntervalSec": "Interwał dla GPS (Sekundy)",
+  "settings_locationIntervalInvalid": "Interwał musi wynosić co najmniej 60 sekund i mniej niż 86400 sekund.",
   "contacts_manageRoom": "Zarządzaj Serwerem Pokoju",
   "room_management": "Zarządzanie Serwerem Pokoju"
 }

lib/l10n/app_pt.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Em breve",
   "channels_enterHashtag": "Insira hashtag",
   "channels_hashtagHint": "ex. #equipe",
+  "settings_locationGPSEnable": "Ativar GPS",
+  "settings_locationGPSEnableSubtitle": "Habilita a atualização automática da localização via GPS.",
+  "settings_locationIntervalInvalid": "O intervalo deve ser de pelo menos 60 segundos e inferior a 86400 segundos.",
+  "settings_locationIntervalSec": "Intervalo para GPS (Segundos)",
   "contacts_manageRoom": "Gerenciar Servidor de Sala",
   "room_management": "Gerenciamento de Servidor de Sala"
 }

lib/l10n/app_sk.arb

@@ -559,7 +559,7 @@
   "chat_setCustomPath": "Nastaviť vlastnú cestu",
   "chat_setCustomPathSubtitle": "Ručne zadajte trasu.",
   "chat_clearPath": "Vyčistiš cestu",
-  "chat_clearPathSubtitle": "Znovu nájsť vynútene pri nasledujacej pošlite",
+  "chat_clearPathSubtitle": "Znovu nájsť vynútene pri nasledujúcej pošlite",
   "chat_pathCleared": "Cesta vyčistená. Nasledujúce prepočetné získa trasu znova.",
   "chat_floodModeSubtitle": "Použite prepínanie trasy v navigačnom paneli.",
   "chat_floodModeEnabled": "Odosporňovacia prevádzka je zapnutá. Vypnite ju znova cez ikonu routovania v navigačnom páse.",
@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Čoskoro",
   "channels_enterHashtag": "Zadajte hashtag",
   "channels_hashtagHint": "napr. #tím",
-  "room_management": "Správa servera miestnosti",
+  "settings_locationGPSEnable": "Aktivovať GPS",
-  "contacts_manageRoom": "Spravovať server miestnosti"
+  "settings_locationGPSEnableSubtitle": "Povolí automatické aktualizovanie polohy pomocou GPS.",
+  "settings_locationIntervalSec": "Interval pre GPS (Sekundy)",
+  "settings_locationIntervalInvalid": "Interval musí byť aspoň 60 sekúnd a menej ako 86400 sekúnd.",
+  "contacts_manageRoom": "Spravovať server miestnosti",
+  "room_management": "Správa servera miestnosti"
 }

lib/l10n/app_sl.arb

@@ -176,7 +176,7 @@
   "appSettings_languageBg": "Български",
   "appSettings_notifications": "Obveščanja",
   "appSettings_enableNotifications": "Omogoči obveščanje",
-  "appSettings_enableNotificationsSubtitle": "Prejmujte obvestila o sporočilih in oglasih",
+  "appSettings_enableNotificationsSubtitle": "Prejmite obvestila o sporočilih in oglasih",
   "appSettings_notificationPermissionDenied": "Odobritev obvestila zavrnjena",
   "appSettings_notificationsEnabled": "Obvestila omogočena",
   "appSettings_notificationsDisabled": "Obvestila so izklopljena",
@@ -256,7 +256,7 @@
   "contacts_contactsWillAppear": "Kontakti se bodo prikazali, ko naprave oglasijo.",
   "contacts_searchContacts": "Iskanje kontaktov...",
   "contacts_noUnreadContacts": "Nerešeno kontaktov.",
-  "contacts_noContactsFound": "Niti ena osebe ali skupine ni najdena.",
+  "contacts_noContactsFound": "Niti ena oseba ali skupine ni najdena.",
   "contacts_deleteContact": "Izbrisati Kontakt",
   "contacts_removeConfirm": "Izbrisati {contactName} iz kontaktov?",
   "@contacts_removeConfirm": {
@@ -291,7 +291,7 @@
     }
   },
   "contacts_filterContacts": "Filtri kontakt\\,...",
-  "contacts_noContactsMatchFilter": "Niti ena osebe ne ustreza vašemu kriteriju.",
+  "contacts_noContactsMatchFilter": "Niti ena oseba ne ustreza vašemu kriteriju.",
   "contacts_noMembers": "Nič članov.",
   "contacts_lastSeenNow": "Datum zadnjega vpisa zdaj",
   "contacts_lastSeenMinsAgo": "Zadnjič videti {minutes} minut nazaj",
@@ -606,7 +606,7 @@
   },
   "map_title": "Mapa omrežja",
   "map_noNodesWithLocation": "Nihče od notranjih elementov nima podatkov o lokaciji.",
-  "map_nodesNeedGps": "Omrežje morajo deliti svoje GPS koordinate,\nda se prikazajo na zemljeobrazniku.",
+  "map_nodesNeedGps": "Omrežje morajo deliti svoje GPS koordinate,\nda se prikazao na zemljeobrazniku.",
   "map_nodesCount": "Omize: {count}",
   "@map_nodesCount": {
     "placeholders": {
@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Prihajajoča",
   "channels_enterHashtag": "Vnesite hashtag",
   "channels_hashtagHint": "npr. #ekipa",
+  "settings_locationGPSEnable": "Omogoči GPS",
+  "settings_locationGPSEnableSubtitle": "Omogoči samodejno posodabljanje lokacije z GPS-jem.",
+  "settings_locationIntervalSec": "Interval za GPS (Sekunde)",
+  "settings_locationIntervalInvalid": "Intervallo mora biti vsaj 60 sekund in manj kot 86400 sekund.",
   "contacts_manageRoom": "Upravljajte strežnik sobe",
   "room_management": "Upravljanje stremlišča"
 }

lib/l10n/app_sv.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "Kommer snart",
   "channels_enterHashtag": "Ange hashtag",
   "channels_hashtagHint": "t.ex. #team",
+  "settings_locationGPSEnable": "Aktivera GPS",
+  "settings_locationGPSEnableSubtitle": "Aktivera automatiska uppdateringar av platsen med hjälp av GPS.",
+  "settings_locationIntervalSec": "Interval för GPS (Sekunder)",
+  "settings_locationIntervalInvalid": "Intervalet måste vara minst 60 sekunder och mindre än 86400 sekunder.",
   "contacts_manageRoom": "Hantera Rumserver",
   "room_management": "Rumserverhantering"
 }

lib/l10n/app_zh.arb

@@ -1349,6 +1349,10 @@
   "channels_scanQrCodeComingSoon": "即将到来",
   "channels_enterHashtag": "输入标签",
   "channels_hashtagHint": "例如 #团队",
+  "settings_locationGPSEnable": "启用GPS",
+  "settings_locationGPSEnableSubtitle": "启用GPS自动更新位置。",
+  "settings_locationIntervalSec": "GPS 间隔（秒）",
+  "settings_locationIntervalInvalid": "时间间隔必须至少为60秒，且小于86400秒。",
   "contacts_manageRoom": "管理房间服务器",
   "room_management": "房间服务器管理"
 }

lib/screens/settings_screen.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:meshcore_open/widgets/elements_ui.dart';
 import 'package:provider/provider.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 
@@ -38,10 +39,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
   Widget build(BuildContext context) {
     final l10n = context.l10n;
     return Scaffold(
-      appBar: AppBar(
+      appBar: AppBar(title: Text(l10n.settings_title), centerTitle: true),
-        title: Text(l10n.settings_title),
-        centerTitle: true,
-      ),
       body: SafeArea(
         top: false,
         child: Consumer<MeshCoreConnector>(
@@ -68,7 +66,10 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
-  Widget _buildDeviceInfoCard(BuildContext context, MeshCoreConnector connector) {
+  Widget _buildDeviceInfoCard(
+    BuildContext context,
+    MeshCoreConnector connector,
+  ) {
     final l10n = context.l10n;
     return Card(
       child: Padding(
@@ -83,21 +84,38 @@ class _SettingsScreenState extends State<SettingsScreen> {
             const SizedBox(height: 16),
             _buildInfoRow(l10n.settings_infoName, connector.deviceDisplayName),
             _buildInfoRow(l10n.settings_infoId, connector.deviceIdLabel),
-            _buildInfoRow(l10n.settings_infoStatus, connector.isConnected ? l10n.common_connected : l10n.common_disconnected),
+            _buildInfoRow(
+              l10n.settings_infoStatus,
+              connector.isConnected
+                  ? l10n.common_connected
+                  : l10n.common_disconnected,
+            ),
             _buildBatteryInfoRow(context, connector),
             if (connector.selfName != null)
               _buildInfoRow(l10n.settings_nodeName, connector.selfName!),
             if (connector.selfPublicKey != null)
-              _buildInfoRow(l10n.settings_infoPublicKey, '${pubKeyToHex(connector.selfPublicKey!).substring(0, 16)}...'),
+              _buildInfoRow(
-            _buildInfoRow(l10n.settings_infoContactsCount, '${connector.contacts.length}'),
+                l10n.settings_infoPublicKey,
-            _buildInfoRow(l10n.settings_infoChannelCount, '${connector.channels.length}'),
+                '${pubKeyToHex(connector.selfPublicKey!).substring(0, 16)}...',
+              ),
+            _buildInfoRow(
+              l10n.settings_infoContactsCount,
+              '${connector.contacts.length}',
+            ),
+            _buildInfoRow(
+              l10n.settings_infoChannelCount,
+              '${connector.channels.length}',
+            ),
           ],
         ),
       ),
     );
   }
 
-  Widget _buildBatteryInfoRow(BuildContext context, MeshCoreConnector connector) {
+  Widget _buildBatteryInfoRow(
+    BuildContext context,
+    MeshCoreConnector connector,
+  ) {
     final l10n = context.l10n;
     final percent = connector.batteryPercent;
     final millivolts = connector.batteryMillivolts;
@@ -167,7 +185,10 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
-  Widget _buildNodeSettingsCard(BuildContext context, MeshCoreConnector connector) {
+  Widget _buildNodeSettingsCard(
+    BuildContext context,
+    MeshCoreConnector connector,
+  ) {
     final l10n = context.l10n;
     return Card(
       child: Column(
@@ -298,7 +319,9 @@ class _SettingsScreenState extends State<SettingsScreen> {
             onTap: () {
               Navigator.push(
                 context,
-                MaterialPageRoute(builder: (context) => const BleDebugLogScreen()),
+                MaterialPageRoute(
+                  builder: (context) => const BleDebugLogScreen(),
+                ),
               );
             },
           ),
@@ -311,7 +334,9 @@ class _SettingsScreenState extends State<SettingsScreen> {
             onTap: () {
               Navigator.push(
                 context,
-                MaterialPageRoute(builder: (context) => const AppDebugLogScreen()),
+                MaterialPageRoute(
+                  builder: (context) => const AppDebugLogScreen(),
+                ),
               );
             },
           ),
@@ -334,20 +359,14 @@ class _SettingsScreenState extends State<SettingsScreen> {
         children: [
           Row(
             children: [
-              if (leading != null) ...[
+              if (leading != null) ...[leading, const SizedBox(width: 8)],
-                leading,
-                const SizedBox(width: 8),
-              ],
               Text(label, style: TextStyle(color: Colors.grey[600])),
             ],
           ),
           Flexible(
             child: Text(
               value,
-              style: TextStyle(
+              style: TextStyle(fontWeight: FontWeight.w500, color: valueColor),
-                fontWeight: FontWeight.w500,
-                color: valueColor,
-              ),
               overflow: TextOverflow.ellipsis,
             ),
           ),
@@ -413,75 +432,154 @@ class _SettingsScreenState extends State<SettingsScreen> {
     final l10n = context.l10n;
     final latController = TextEditingController();
     final lonController = TextEditingController();
+    final intervalController = TextEditingController();
+    latController.text = connector.selfLatitude?.toStringAsFixed(6) ?? '';
+    lonController.text = connector.selfLongitude?.toStringAsFixed(6) ?? '';
+
+    // Safe access to custom vars - may be null before device responds
+    final customVars = connector.currentCustomVars ?? {};
+    final bool hasGPS = customVars.containsKey("gps");
+    bool isGPSEnabled = customVars["gps"] == "1";
+
+    // Read current interval or default to 900 (15 minutes)
+    final currentInterval = int.tryParse(customVars["gps_interval"] ?? "") ?? 900;
+    intervalController.text = currentInterval.toString();
+
     showDialog(
       context: context,
-      builder: (context) => AlertDialog(
+      builder: (dialogContext) => StatefulBuilder(
-        title: Text(l10n.settings_location),
+        builder: (context, setDialogState) => AlertDialog(
-        content: Column(
+          title: Text(l10n.settings_location),
-          mainAxisSize: MainAxisSize.min,
+          content: Column(
-          children: [
+            mainAxisSize: MainAxisSize.min,
-            TextField(
+            children: [
-              controller: latController,
+              TextField(
-              decoration: InputDecoration(
+                controller: latController,
-                labelText: l10n.settings_latitude,
+                decoration: InputDecoration(
-                border: const OutlineInputBorder(),
+                  labelText: l10n.settings_latitude,
+                  border: const OutlineInputBorder(),
+                ),
+                keyboardType: const TextInputType.numberWithOptions(
+                  decimal: true,
+                  signed: true,
+                ),
               ),
-              keyboardType: const TextInputType.numberWithOptions(decimal: true, signed: true),
+              const SizedBox(height: 16),
+              TextField(
+                controller: lonController,
+                decoration: InputDecoration(
+                  labelText: l10n.settings_longitude,
+                  border: const OutlineInputBorder(),
+                ),
+                keyboardType: const TextInputType.numberWithOptions(
+                  decimal: true,
+                  signed: true,
+                ),
+              ),
+              if (hasGPS) ...[
+                const SizedBox(height: 16),
+                TextField(
+                  controller: intervalController,
+                  decoration: InputDecoration(
+                    labelText: l10n.settings_locationIntervalSec,
+                    border: const OutlineInputBorder(),
+                  ),
+                  keyboardType: const TextInputType.numberWithOptions(
+                    decimal: false,
+                    signed: false,
+                  ),
+                ),
+                const SizedBox(height: 16),
+                FeatureToggleRow(
+                  title: l10n.settings_locationGPSEnable,
+                  subtitle: l10n.settings_locationGPSEnableSubtitle,
+                  value: isGPSEnabled,
+                  onChanged: (value) async {
+                    setDialogState(() => isGPSEnabled = value);
+                    if (value) {
+                      await connector.setCustomVar("gps:1");
+                    } else {
+                      await connector.setCustomVar("gps:0");
+                    }
+                  },
+                ),
+              ],
+            ],
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context),
+              child: Text(l10n.common_cancel),
             ),
-            const SizedBox(height: 16),
+            TextButton(
-            TextField(
+              onPressed: () async {
-              controller: lonController,
+                Navigator.pop(context);
-              decoration: InputDecoration(
+
-                labelText: l10n.settings_longitude,
+                if (hasGPS) {
-                border: const OutlineInputBorder(),
+                  final intervalText = intervalController.text.trim();
-              ),
+                  if (intervalText.isEmpty) {
-              keyboardType: const TextInputType.numberWithOptions(decimal: true, signed: true),
+                    return;
+                  }
+
+                  final interval = int.tryParse(intervalText);
+                  if (interval == null || interval < 60 || interval >= 86400) {
+                    if (!context.mounted) return;
+                    ScaffoldMessenger.of(context).showSnackBar(
+                      SnackBar(
+                        content: Text(l10n.settings_locationIntervalInvalid),
+                      ),
+                    );
+                    return;
+                  }
+
+                  await connector.setCustomVar("gps_interval:$interval");
+                  await connector.refreshDeviceInfo();
+                  if (!context.mounted) return;
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text(l10n.settings_locationUpdated)),
+                  );
+                }
+
+                final latText = latController.text.trim();
+                final lonText = lonController.text.trim();
+                if (latText.isEmpty && lonText.isEmpty) {
+                  return;
+                }
+
+                final currentLat = connector.selfLatitude;
+                final currentLon = connector.selfLongitude;
+                final lat = latText.isNotEmpty
+                    ? double.tryParse(latText)
+                    : currentLat;
+                final lon = lonText.isNotEmpty
+                    ? double.tryParse(lonText)
+                    : currentLon;
+                if (lat == null || lon == null) {
+                  if (!context.mounted) return;
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text(l10n.settings_locationBothRequired)),
+                  );
+                  return;
+                }
+                if (lat < -90 || lat > 90 || lon < -180 || lon > 180) {
+                  if (!context.mounted) return;
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text(l10n.settings_locationInvalid)),
+                  );
+                  return;
+                }
+
+                await connector.setNodeLocation(lat: lat, lon: lon);
+                await connector.refreshDeviceInfo();
+                if (!context.mounted) return;
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(content: Text(l10n.settings_locationUpdated)),
+                );
+              },
+              child: Text(l10n.common_save),
             ),
           ],
         ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: Text(l10n.common_cancel),
-          ),
-          TextButton(
-            onPressed: () async {
-              Navigator.pop(context);
-              final latText = latController.text.trim();
-              final lonText = lonController.text.trim();
-              if (latText.isEmpty && lonText.isEmpty) {
-                return;
-              }
-
-              final currentLat = connector.selfLatitude;
-              final currentLon = connector.selfLongitude;
-              final lat = latText.isNotEmpty ? double.tryParse(latText) : currentLat;
-              final lon = lonText.isNotEmpty ? double.tryParse(lonText) : currentLon;
-              if (lat == null || lon == null) {
-                if (!context.mounted) return;
-                ScaffoldMessenger.of(context).showSnackBar(
-                  SnackBar(content: Text(l10n.settings_locationBothRequired)),
-                );
-                return;
-              }
-              if (lat < -90 || lat > 90 || lon < -180 || lon > 180) {
-                if (!context.mounted) return;
-                ScaffoldMessenger.of(context).showSnackBar(
-                  SnackBar(content: Text(l10n.settings_locationInvalid)),
-                );
-                return;
-              }
-
-              await connector.setNodeLocation(lat: lat, lon: lon);
-              await connector.refreshDeviceInfo();
-              if (!context.mounted) return;
-              ScaffoldMessenger.of(context).showSnackBar(
-                SnackBar(content: Text(l10n.settings_locationUpdated)),
-              );
-            },
-            child: Text(l10n.common_save),
-          ),
-        ],
       ),
     );
   }
@@ -530,17 +628,17 @@ class _SettingsScreenState extends State<SettingsScreen> {
   void _sendAdvert(BuildContext context, MeshCoreConnector connector) {
     final l10n = context.l10n;
     connector.sendSelfAdvert(flood: true);
-    ScaffoldMessenger.of(context).showSnackBar(
+    ScaffoldMessenger.of(
-      SnackBar(content: Text(l10n.settings_advertisementSent)),
+      context,
-    );
+    ).showSnackBar(SnackBar(content: Text(l10n.settings_advertisementSent)));
   }
 
   void _syncTime(BuildContext context, MeshCoreConnector connector) {
     final l10n = context.l10n;
     connector.syncTime();
-    ScaffoldMessenger.of(context).showSnackBar(
+    ScaffoldMessenger.of(
-      SnackBar(content: Text(l10n.settings_timeSynchronized)),
+      context,
-    );
+    ).showSnackBar(SnackBar(content: Text(l10n.settings_timeSynchronized)));
   }
 
   void _confirmReboot(BuildContext context, MeshCoreConnector connector) {
@@ -560,7 +658,10 @@ class _SettingsScreenState extends State<SettingsScreen> {
               Navigator.pop(context);
               connector.rebootDevice();
             },
-            child: Text(l10n.common_reboot, style: const TextStyle(color: Colors.orange)),
+            child: Text(
+              l10n.common_reboot,
+              style: const TextStyle(color: Colors.orange),
+            ),
           ),
         ],
       ),
@@ -572,7 +673,9 @@ class _SettingsScreenState extends State<SettingsScreen> {
     showAboutDialog(
       context: context,
       applicationName: l10n.appTitle,
-      applicationVersion: _appVersion.isEmpty ? l10n.common_loading : _appVersion,
+      applicationVersion: _appVersion.isEmpty
+          ? l10n.common_loading
+          : _appVersion,
       applicationLegalese: l10n.settings_aboutLegalese,
       children: [
         const SizedBox(height: 16),
@@ -604,7 +707,8 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
 
     // Populate with current settings if available
     if (widget.connector.currentFreqHz != null) {
-      _frequencyController.text = (widget.connector.currentFreqHz! / 1000.0).toStringAsFixed(3);
+      _frequencyController.text = (widget.connector.currentFreqHz! / 1000.0)
+          .toStringAsFixed(3);
     } else {
       _frequencyController.text = '915.0';
     }
@@ -670,26 +774,31 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
     final txPower = int.tryParse(_txPowerController.text);
 
     if (freqMHz == null || freqMHz < 300 || freqMHz > 2500) {
-      ScaffoldMessenger.of(context).showSnackBar(
+      ScaffoldMessenger.of(
-        SnackBar(content: Text(l10n.settings_frequencyInvalid)),
+        context,
-      );
+      ).showSnackBar(SnackBar(content: Text(l10n.settings_frequencyInvalid)));
       return;
     }
 
     if (txPower == null || txPower < 0 || txPower > 22) {
-      ScaffoldMessenger.of(context).showSnackBar(
+      ScaffoldMessenger.of(
-        SnackBar(content: Text(l10n.settings_txPowerInvalid)),
+        context,
-      );
+      ).showSnackBar(SnackBar(content: Text(l10n.settings_txPowerInvalid)));
       return;
     }
 
     final freqHz = (freqMHz * 1000).round();
     final bwHz = _bandwidth.hz;
     final sf = _spreadingFactor.value;
-    final cr = _toDeviceCodingRate(_codingRate.value, widget.connector.currentCr);
+    final cr = _toDeviceCodingRate(
+      _codingRate.value,
+      widget.connector.currentCr,
+    );
 
     try {
-      await widget.connector.sendFrame(buildSetRadioParamsFrame(freqHz, bwHz, sf, cr));
+      await widget.connector.sendFrame(
+        buildSetRadioParamsFrame(freqHz, bwHz, sf, cr),
+      );
       await widget.connector.sendFrame(buildSetRadioTxPowerFrame(txPower));
       await widget.connector.refreshDeviceInfo();
 
@@ -727,7 +836,10 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Text(l10n.settings_presets, style: const TextStyle(fontWeight: FontWeight.bold)),
+            Text(
+              l10n.settings_presets,
+              style: const TextStyle(fontWeight: FontWeight.bold),
+            ),
             const SizedBox(height: 8),
             Wrap(
               spacing: 8,
@@ -762,7 +874,9 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
                 border: const OutlineInputBorder(),
                 helperText: l10n.settings_frequencyHelper,
               ),
-              keyboardType: const TextInputType.numberWithOptions(decimal: true),
+              keyboardType: const TextInputType.numberWithOptions(
+                decimal: true,
+              ),
             ),
             const SizedBox(height: 16),
             DropdownButtonFormField<LoRaBandwidth>(
@@ -772,10 +886,9 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
                 border: const OutlineInputBorder(),
               ),
               items: LoRaBandwidth.values
-                  .map((bw) => DropdownMenuItem(
+                  .map(
-                        value: bw,
+                    (bw) => DropdownMenuItem(value: bw, child: Text(bw.label)),
-                        child: Text(bw.label),
+                  )
-                      ))
                   .toList(),
               onChanged: (value) {
                 if (value != null) setState(() => _bandwidth = value);
@@ -789,10 +902,9 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
                 border: const OutlineInputBorder(),
               ),
               items: LoRaSpreadingFactor.values
-                  .map((sf) => DropdownMenuItem(
+                  .map(
-                        value: sf,
+                    (sf) => DropdownMenuItem(value: sf, child: Text(sf.label)),
-                        child: Text(sf.label),
+                  )
-                      ))
                   .toList(),
               onChanged: (value) {
                 if (value != null) setState(() => _spreadingFactor = value);
@@ -806,10 +918,9 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
                 border: const OutlineInputBorder(),
               ),
               items: LoRaCodingRate.values
-                  .map((cr) => DropdownMenuItem(
+                  .map(
-                        value: cr,
+                    (cr) => DropdownMenuItem(value: cr, child: Text(cr.label)),
-                        child: Text(cr.label),
+                  )
-                      ))
                   .toList(),
               onChanged: (value) {
                 if (value != null) setState(() => _codingRate = value);
@@ -833,10 +944,7 @@ class _RadioSettingsDialogState extends State<_RadioSettingsDialog> {
           onPressed: () => Navigator.pop(context),
           child: Text(l10n.common_cancel),
         ),
-        FilledButton(
+        FilledButton(onPressed: _saveSettings, child: Text(l10n.common_save)),
-          onPressed: _saveSettings,
-          child: Text(l10n.common_save),
-        ),
       ],
     );
   }
@@ -850,9 +958,6 @@ class _PresetChip extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ActionChip(
+    return ActionChip(label: Text(label), onPressed: onTap);
-      label: Text(label),
-      onPressed: onTap,
-    );
   }
 }

lib/services/ble_debug_log_service.dart

@@ -16,7 +16,9 @@ class BleDebugLogEntry {
 
   String get hexPreview {
     const maxBytes = 64;
-    final bytes = payload.length > maxBytes ? payload.sublist(0, maxBytes) : payload;
+    final bytes = payload.length > maxBytes
+        ? payload.sublist(0, maxBytes)
+        : payload;
     final hex = bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join(' ');
     return payload.length > maxBytes ? '$hex …' : hex;
   }
@@ -26,14 +28,13 @@ class BleRawLogRxEntry {
   final DateTime timestamp;
   final Uint8List payload;
 
-  BleRawLogRxEntry({
+  BleRawLogRxEntry({required this.timestamp, required this.payload});
-    required this.timestamp,
-    required this.payload,
-  });
 
   String get hexPreview {
     const maxBytes = 64;
-    final bytes = payload.length > maxBytes ? payload.sublist(0, maxBytes) : payload;
+    final bytes = payload.length > maxBytes
+        ? payload.sublist(0, maxBytes)
+        : payload;
     final hex = bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join(' ');
     return payload.length > maxBytes ? '$hex …' : hex;
   }
@@ -45,7 +46,8 @@ class BleDebugLogService extends ChangeNotifier {
   final List<BleRawLogRxEntry> _rawLogRxEntries = [];
 
   List<BleDebugLogEntry> get entries => List.unmodifiable(_entries);
-  List<BleRawLogRxEntry> get rawLogRxEntries => List.unmodifiable(_rawLogRxEntries);
+  List<BleRawLogRxEntry> get rawLogRxEntries =>
+      List.unmodifiable(_rawLogRxEntries);
 
   void logFrame(Uint8List frame, {required bool outgoing, String? note}) {
     if (frame.isEmpty) return;
@@ -85,7 +87,12 @@ class BleDebugLogService extends ChangeNotifier {
     notifyListeners();
   }
 
-  String _describeFrame(int code, Uint8List frame, bool outgoing, String? note) {
+  String _describeFrame(
+    int code,
+    Uint8List frame,
+    bool outgoing,
+    String? note,
+  ) {
     final label = _codeLabel(code, outgoing: outgoing);
     final prefix = outgoing ? 'TX' : 'RX';
     final extra = _frameDetail(code, frame);
@@ -147,6 +154,8 @@ class BleDebugLogService extends ChangeNotifier {
         return 'CMD_SET_CHANNEL';
       case cmdGetRadioSettings:
         return 'CMD_GET_RADIO_SETTINGS';
+      case cmdSetCustomVar:
+        return 'CMD_SET_CUSTOM_VAR';
       default:
         return null;
     }

lib/widgets/elements_ui.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+
+class FeatureToggleRow extends StatefulWidget {
+  final String title;
+  final String subtitle;
+  final bool value;
+  final bool hasRefreshing;
+  final bool isRefreshing;
+  final ValueChanged<bool>? onChanged;
+  final VoidCallback? onRefresh;
+  final String? refreshTooltip;
+
+  const FeatureToggleRow({
+    super.key,
+    required this.title,
+    required this.subtitle,
+    required this.value,
+    this.hasRefreshing = false,
+    this.isRefreshing = false,
+    this.onChanged,
+    this.onRefresh,
+    this.refreshTooltip,
+  });
+
+  @override
+  State<FeatureToggleRow> createState() => _FeatureToggleRow();
+}
+
+class _FeatureToggleRow extends State<FeatureToggleRow> {
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Expanded(
+          child: SwitchListTile(
+            title: Text(widget.title),
+            subtitle: Text(widget.subtitle),
+            value: widget.value,
+            onChanged: widget.onChanged,
+            contentPadding: EdgeInsets.zero,
+          ),
+        ),
+        if (widget.hasRefreshing)
+          IconButton(
+            icon: widget.isRefreshing
+                ? const SizedBox(
+                    width: 18,
+                    height: 18,
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  )
+                : const Icon(Icons.refresh, size: 20),
+            onPressed: widget.isRefreshing ? null : widget.onRefresh,
+            tooltip: widget.refreshTooltip,
+            visualDensity: VisualDensity.compact,
+          ),
+      ],
+    );
+  }
+}