manager: add amoled mode

manager/app/src/main/java/com/rifsxd/ksunext/ui/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.rifsxd.ksunext.ui
 
+import android.content.Context
 import android.os.Build
 import android.os.Bundle
 import androidx.activity.ComponentActivity
@@ -70,7 +71,13 @@ class MainActivity : ComponentActivity() {
         if (isManager) install()
 
         setContent {
-            KernelSUTheme {
+            // Read AMOLED mode preference
+            val prefs = getSharedPreferences("settings", Context.MODE_PRIVATE)
+            val amoledMode = prefs.getBoolean("enable_amoled", false)
+
+            KernelSUTheme (
+                amoledMode = amoledMode
+            ) {
                 val navController = rememberNavController()
                 val snackBarHostState = remember { SnackbarHostState() }
                 val currentDestination = navController.currentBackStackEntryAsState()?.value?.destination

manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/Settings.kt

@@ -7,6 +7,7 @@ import android.widget.Toast
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -359,6 +360,50 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                 }
             }
 
+            var enableAmoled by rememberSaveable {
+                mutableStateOf(
+                    prefs.getBoolean("enable_amoled", false)
+                )
+            }
+            var showRestartDialog by remember { mutableStateOf(false) }
+            if (isSystemInDarkTheme()) {
+                SwitchItem(
+                    icon = Icons.Filled.Contrast,
+                    title = stringResource(id = R.string.settings_amoled_mode),
+                    summary = stringResource(id = R.string.settings_amoled_mode_summary),
+                    checked = enableAmoled
+                ) { checked ->
+                    prefs.edit().putBoolean("enable_amoled", checked).apply()
+                    enableAmoled = checked
+                    showRestartDialog = true
+                }
+                if (showRestartDialog) {
+                    AlertDialog(
+                        onDismissRequest = { showRestartDialog = false },
+                        title = { Text(stringResource(R.string.restart_required)) },
+                        text = { Text(stringResource(R.string.restart_app_message)) },
+                        confirmButton = {
+                            TextButton(onClick = {
+                                showRestartDialog = false
+                                // Restart the app
+                                val packageManager = context.packageManager
+                                val intent = packageManager.getLaunchIntentForPackage(context.packageName)
+                                intent?.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK)
+                                context.startActivity(intent)
+                                Runtime.getRuntime().exit(0)
+                            }) {
+                                Text(stringResource(R.string.restart_app))
+                            }
+                        },
+                        dismissButton = {
+                            TextButton(onClick = { showRestartDialog = false }) {
+                                Text(stringResource(R.string.later))
+                            }
+                        }
+                    )
+                }
+            }
+
             if (isOverlayAvailable && useOverlayFs) {
                 val shrink = stringResource(id = R.string.shrink_sparse_image)
                 val shrinkMessage = stringResource(id = R.string.shrink_sparse_image_message)

manager/app/src/main/java/com/rifsxd/ksunext/ui/theme/Color.kt

@@ -2,9 +2,11 @@ package com.rifsxd.ksunext.ui.theme
 
 import androidx.compose.ui.graphics.Color
 
-val YELLOW = Color(0xFFeed502)
+val PRIMARY = Color(0xFF8AADF4)           // Catppuccin Blue
-val YELLOW_LIGHT = Color(0xFFffff52)
+val PRIMARY_LIGHT = Color(0xFFB7BDF8)     // Catppuccin Lavender
-val SECONDARY_LIGHT = Color(0xffa9817f)
+val SECONDARY_LIGHT = Color(0xFFA6DA95)   // Catppuccin Green
 
-val YELLOW_DARK = Color(0xFFb7a400)
+val PRIMARY_DARK = Color(0xFF7DC4E4)      // Catppuccin Sky
-val SECONDARY_DARK = Color(0xFF4c2b2b)
+val SECONDARY_DARK = Color(0xFFF5BDE6)    // Catppuccin Pink
+
+val AMOLED_BLACK = Color(0xFF000000) // Pure black for AMOLED

manager/app/src/main/java/com/rifsxd/ksunext/ui/theme/Theme.kt

@@ -17,14 +17,14 @@ import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalContext
 
 private val DarkColorScheme = darkColorScheme(
-    primary = YELLOW,
+    primary = PRIMARY,
-    secondary = YELLOW_DARK,
+    secondary = PRIMARY_DARK,
     tertiary = SECONDARY_DARK
 )
 
 private val LightColorScheme = lightColorScheme(
-    primary = YELLOW,
+    primary = PRIMARY,
-    secondary = YELLOW_LIGHT,
+    secondary = PRIMARY_LIGHT,
     tertiary = SECONDARY_LIGHT
 )
 
@@ -33,9 +33,18 @@ fun KernelSUTheme(
     darkTheme: Boolean = isSystemInDarkTheme(),
     // Dynamic color is available on Android 12+
     dynamicColor: Boolean = true,
+    amoledMode: Boolean = false,
     content: @Composable () -> Unit
 ) {
     val colorScheme = when {
+        amoledMode && darkTheme && dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            val dynamicScheme = dynamicDarkColorScheme(context)
+            dynamicScheme.copy(
+                background = AMOLED_BLACK,
+                surface = AMOLED_BLACK
+            )
+        }
         dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
             val context = LocalContext.current
             if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)

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

@@ -142,6 +142,10 @@
     <string name="close">Close</string>
     <string name="force_stop_app">Force stop</string>
     <string name="restart_app">Restart</string>
+    <string name="settings_amoled_mode">AMOLED mode</string>
+    <string name="settings_amoled_mode_summary">Enable a pure black theme useful for AMOLED screens to reduce eye strain and save battery.</string>
+    <string name="restart_required">Restart Required</string>
+    <string name="restart_app_message">The app needs to restart for this change to take effect.</string>
     <string name="failed_to_update_sepolicy">Failed to update SELinux rules for: %s</string>
     <string name="su_not_allowed">Granting superuser isn\'t allowed for: %s</string>
     <string name="module_changelog">Changelog</string>