add black background option

app/src/main/java/com/geode/launcher/MainActivity.kt

@@ -54,8 +54,10 @@ class MainActivity : ComponentActivity() {
             val themeOption by PreferenceUtils.useIntPreference(PreferenceUtils.Key.THEME)
             val theme = Theme.fromInt(themeOption)
 
+            val backgroundOption by PreferenceUtils.useBooleanPreference(PreferenceUtils.Key.BLACK_BACKGROUND)
+
             CompositionLocalProvider(LocalTheme provides theme) {
-                GeodeLauncherTheme(theme = theme) {
+                GeodeLauncherTheme(theme = theme, blackBackground = backgroundOption) {
                     Surface(
                         modifier = Modifier.fillMaxSize(),
                         color = MaterialTheme.colorScheme.background

app/src/main/java/com/geode/launcher/SettingsActivity.kt

@@ -58,8 +58,10 @@ class SettingsActivity : ComponentActivity() {
             val themeOption by PreferenceUtils.useIntPreference(PreferenceUtils.Key.THEME)
             val theme = Theme.fromInt(themeOption)
 
+            val backgroundOption by PreferenceUtils.useBooleanPreference(PreferenceUtils.Key.BLACK_BACKGROUND)
+
             CompositionLocalProvider(LocalTheme provides theme) {
-                GeodeLauncherTheme(theme = theme) {
+                GeodeLauncherTheme(theme = theme, blackBackground = backgroundOption) {
                     Surface(
                         modifier = Modifier.fillMaxSize(),
                         color = MaterialTheme.colorScheme.background
@@ -265,6 +267,10 @@ fun SettingsScreen(
                         toLabel = { themeToKey(it) },
                         extraSelectBehavior = { updateTheme(context, it) }
                     )
+                    SettingsCard(
+                        title = stringResource(R.string.preference_black_background_name),
+                        preferenceKey = PreferenceUtils.Key.BLACK_BACKGROUND
+                    )
                     SettingsCard(
                         title = context.getString(R.string.preference_load_testing_name),
                         preferenceKey = PreferenceUtils.Key.LOAD_TESTING,

app/src/main/java/com/geode/launcher/ui/theme/Theme.kt

@@ -60,16 +60,21 @@ fun GeodeLauncherTheme(
     theme: Theme = Theme.fromInt(0),
     // Dynamic color is available on Android 12+
     dynamicColor: Boolean = true,
+    blackBackground: Boolean = false,
     content: @Composable () -> Unit
 ) {
     val colorScheme = when {
         dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
             val context = LocalContext.current
-            when (theme) {
-                Theme.DARK -> dynamicDarkColorScheme(context)
+            when {
+                theme == Theme.DARK && blackBackground ->
+                    dynamicDarkColorScheme(context).copy(surface = Color.Black, background = Color.Black)
+                theme == Theme.DARK -> dynamicDarkColorScheme(context)
                 else -> dynamicLightColorScheme(context)
             }
         }
+        theme == Theme.DARK && blackBackground ->
+            DarkColorScheme.copy(surface = Color.Black, background = Color.Black)
         theme == Theme.DARK -> DarkColorScheme
         else -> LightColorScheme
     }

app/src/main/java/com/geode/launcher/utils/PreferenceUtils.kt

@@ -95,7 +95,8 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
         RELEASE_CHANNEL,
         CURRENT_VERSION_TAG,
         CURRENT_VERSION_TIMESTAMP,
-        THEME
+        THEME,
+        BLACK_BACKGROUND,
     }
 
     private fun defaultValueForBooleanKey(key: Key): Boolean {
@@ -114,6 +115,7 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
             Key.CURRENT_VERSION_TAG -> "PreferenceCurrentVersionName"
             Key.CURRENT_VERSION_TIMESTAMP -> "PreferenceCurrentVersionDescriptor"
             Key.THEME -> "PreferenceTheme"
+            Key.BLACK_BACKGROUND -> "PreferenceBlackBackground"
         }
     }
 

app/src/main/res/values/strings.xml

@@ -52,6 +52,7 @@
     <string name="preference_theme_default">System default</string>
     <string name="preference_theme_light">Light</string>
     <string name="preference_theme_dark">Dark</string>
+    <string name="preference_black_background_name">Black background in dark theme</string>
 
     <string name="preference_category_updater">Updates</string>
     <string name="preference_update_automatically_name">Enable automatic updates</string>