some more cleanups

app/src/main/java/com/skeler/scanely/MainActivity.kt

@@ -15,14 +15,15 @@ import androidx.compose.ui.Modifier
 import com.skeler.scanely.navigation.ScanelyNavigation
 import com.skeler.scanely.ui.theme.ScanelyTheme
 import com.skeler.scanely.ui.theme.ThemeMode
+import androidx.core.content.edit
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContent {
             // Load preferences directly (no remember needed for the reference itself, but needed for the state)
-            val prefs = getPreferences(Context.MODE_PRIVATE)
+            val prefs = getPreferences(MODE_PRIVATE)
 
             // Load initial state immediately
             // We use mutableStateOf with the loaded value directly to ensure it initializes correctly.
@@ -44,13 +45,13 @@ class MainActivity : ComponentActivity() {
                         onThemeChanged = { newMode ->
                             themeMode = newMode
                             // Commit immediately to ensure persistence
-                            prefs.edit().putString("theme_mode", newMode.name).commit() 
+                            prefs.edit(commit = true) { putString("theme_mode", newMode.name) }
                         },
                         ocrLanguages = ocrLanguages,
                         onOcrLanguagesChanged = { newLangs ->
                             ocrLanguages = newLangs
                              // Commit immediately
-                            prefs.edit().putStringSet("ocr_langs", newLangs).commit()
+                            prefs.edit(commit = true) { putStringSet("ocr_langs", newLangs) }
                         }
                     )
                 }

app/src/main/java/com/skeler/scanely/navigation/Navigation.kt

@@ -39,6 +39,7 @@ object Routes {
     const val CAMERA = "camera"
     const val RESULTS = "results"
     const val BARCODE_SCANNER = "barcode_scanner"
+    const val HISTORY = "history"
 }
 
 
@@ -213,13 +214,11 @@ fun ScanelyNavigation(
                     onThemeChanged = onThemeChanged,
                     ocrLanguages = ocrLanguages,
                     onOcrLanguagesChanged = onOcrLanguagesChanged,
-                    onCaptureClick = { navController.navigate(Routes.CAMERA) },
                     onGalleryClick = { launchGalleryPicker() },
                     onPdfClick = {
                         pdfLauncher.launch(arrayOf("application/pdf"))
                     },
-                    onBarcodeClick = { navController.navigate(Routes.BARCODE_SCANNER) },
-                    onHistoryClick = { navController.navigate("history") }
+
                 )
             }