Optional navigation features

lib/dev_config.dart

@@ -41,6 +41,9 @@ const String kClientVersion = '1.0.2';
 // Development/testing features - set to false for production builds
 const bool kEnableDevelopmentModes = false; // Set to false to hide sandbox/simulate modes and force production mode
 
+// Navigation features - set to false to hide navigation UI elements while in development
+const bool kEnableNavigationFeatures = kEnableDevelopmentModes; // Hide navigation until fully implemented
+
 // Marker/node interaction
 const int kCameraMinZoomLevel = 10; // Minimum zoom to show nodes (Overpass)
 const int kOsmApiMinZoomLevel = 13; // Minimum zoom for OSM API bbox queries (sandbox mode)

lib/screens/home_screen.dart

@@ -433,13 +433,15 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
       _editSheetShown = false;
     }
 
-    // Auto-open navigation sheet when needed - simplified logic
-    final shouldShowNavSheet = appState.isInSearchMode || appState.showingOverview;
-    if (shouldShowNavSheet && !_navigationSheetShown) {
-      _navigationSheetShown = true;
-      WidgetsBinding.instance.addPostFrameCallback((_) => _openNavigationSheet());
-    } else if (!shouldShowNavSheet) {
-      _navigationSheetShown = false;
+    // Auto-open navigation sheet when needed - simplified logic (only in dev mode)
+    if (kEnableNavigationFeatures) {
+      final shouldShowNavSheet = appState.isInSearchMode || appState.showingOverview;
+      if (shouldShowNavSheet && !_navigationSheetShown) {
+        _navigationSheetShown = true;
+        WidgetsBinding.instance.addPostFrameCallback((_) => _openNavigationSheet());
+      } else if (!shouldShowNavSheet) {
+        _navigationSheetShown = false;
+      }
     }
 
     // Pass the active sheet height directly to the map
@@ -498,15 +500,15 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
               sheetHeight: activeSheetHeight,
               selectedNodeId: _selectedNodeId,
               onNodeTap: openNodeTagSheet,
-              onSearchPressed: _onNavigationButtonPressed,
+              onSearchPressed: kEnableNavigationFeatures ? _onNavigationButtonPressed : null,
               onUserGesture: () {
                 if (appState.followMeMode != FollowMeMode.off) {
                   appState.setFollowMeMode(FollowMeMode.off);
                 }
               },
             ),
-            // Search bar (slides in when in search mode)
-            if (appState.isInSearchMode) 
+            // Search bar (slides in when in search mode) - only in dev mode
+            if (kEnableNavigationFeatures && appState.isInSearchMode) 
               Positioned(
                 top: 0,
                 left: 0,

lib/screens/settings_screen.dart

@@ -39,14 +39,17 @@ class SettingsScreen extends StatelessWidget {
             ),
             const Divider(),
             
-            _buildNavigationTile(
-              context,
-              icon: Icons.navigation,
-              title: locService.t('navigation.navigationSettings'),
-              subtitle: locService.t('navigation.navigationSettingsSubtitle'),
-              onTap: () => Navigator.pushNamed(context, '/settings/navigation'),
-            ),
-            const Divider(),
+            // Only show navigation settings in development builds
+            if (kEnableNavigationFeatures) ...[
+              _buildNavigationTile(
+                context,
+                icon: Icons.navigation,
+                title: locService.t('navigation.navigationSettings'),
+                subtitle: locService.t('navigation.navigationSettingsSubtitle'),
+                onTap: () => Navigator.pushNamed(context, '/settings/navigation'),
+              ),
+              const Divider(),
+            ],
             
             _buildNavigationTile(
               context,

lib/widgets/map/map_overlays.dart

@@ -121,8 +121,8 @@ class MapOverlays extends StatelessWidget {
             builder: (context, appState, child) {
               return Column(
                 children: [
-                  // Navigation button - simplified logic
-                  if (onSearchPressed != null && (appState.showSearchButton || appState.showRouteButton))
+                  // Navigation button - simplified logic (only show in dev mode)
+                  if (kEnableNavigationFeatures && onSearchPressed != null && (appState.showSearchButton || appState.showRouteButton)) ...[
                     FloatingActionButton(
                       mini: true,
                       heroTag: "search_nav",
@@ -132,8 +132,8 @@ class MapOverlays extends StatelessWidget {
                           : LocalizationService.instance.t('navigation.searchLocation'),
                       child: Icon(appState.showRouteButton ? Icons.route : Icons.search),
                     ),
-                  if (onSearchPressed != null && (appState.showSearchButton || appState.showRouteButton)) 
                     const SizedBox(height: 8),
+                  ],
                   
                   // Layer selector button
                   const LayerSelectorButton(),