Add language selector in Settings (English, Indonesian), fix values-in to values-id, update README

Author: risunCode

app/src/main/java/com/appcontrolx/ui/SettingsFragment.kt

@@ -46,6 +46,7 @@ class SettingsFragment : Fragment() {
         super.onViewCreated(view, savedInstanceState)
 
         setupTheme()
+        setupLanguage()
         setupCurrentMode()
         setupSafetySettings()
         setupRollbackSettings()
@@ -88,6 +89,64 @@ class SettingsFragment : Fragment() {
         }
     }
 
+    private fun setupLanguage() {
+        updateLanguageText()
+        
+        binding.itemLanguage.setOnClickListener {
+            val languages = arrayOf(
+                getString(R.string.language_system),
+                getString(R.string.language_english),
+                getString(R.string.language_indonesian)
+            )
+            val languageCodes = arrayOf("system", "en", "id")
+            
+            val currentLang = prefs.getString(Constants.PREFS_LANGUAGE, "system") ?: "system"
+            val currentIndex = languageCodes.indexOf(currentLang).coerceAtLeast(0)
+            
+            MaterialAlertDialogBuilder(requireContext())
+                .setTitle(R.string.settings_language)
+                .setSingleChoiceItems(languages, currentIndex) { dialog, which ->
+                    val selectedLang = languageCodes[which]
+                    prefs.edit().putString(Constants.PREFS_LANGUAGE, selectedLang).apply()
+                    applyLanguage(selectedLang)
+                    updateLanguageText()
+                    dialog.dismiss()
+                }
+                .setNegativeButton(android.R.string.cancel, null)
+                .show()
+        }
+    }
+    
+    private fun updateLanguageText() {
+        val currentLang = prefs.getString(Constants.PREFS_LANGUAGE, "system") ?: "system"
+        binding.tvCurrentLanguage.text = when (currentLang) {
+            "en" -> getString(R.string.language_english)
+            "id" -> getString(R.string.language_indonesian)
+            else -> getString(R.string.language_system)
+        }
+    }
+    
+    private fun applyLanguage(langCode: String) {
+        val locale = when (langCode) {
+            "en" -> java.util.Locale.ENGLISH
+            "id" -> java.util.Locale("id", "ID")
+            else -> java.util.Locale.getDefault()
+        }
+        
+        val config = resources.configuration
+        config.setLocale(locale)
+        
+        // Restart activity to apply
+        MaterialAlertDialogBuilder(requireContext())
+            .setTitle(R.string.settings_language)
+            .setMessage(R.string.settings_restart_required)
+            .setPositiveButton(R.string.settings_restart_now) { _, _ ->
+                restartApp()
+            }
+            .setNegativeButton(R.string.settings_restart_later, null)
+            .show()
+    }
+    
     private fun setupCurrentMode() {
         updateModeDisplay()
 

app/src/main/java/com/appcontrolx/utils/Constants.kt

@@ -8,6 +8,7 @@ object Constants {
     const val PREFS_PROTECT_SYSTEM = "protect_system"
     const val PREFS_AUTO_SNAPSHOT = "auto_snapshot"
     const val PREFS_THEME = "theme"
+    const val PREFS_LANGUAGE = "language"
 
     const val MODE_ROOT = "root"
     const val MODE_SHIZUKU = "shizuku"

app/src/main/res/layout/fragment_settings.xml

@@ -70,6 +70,42 @@
                             android:textSize="14sp" />
                     </LinearLayout>
                 </LinearLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:background="@color/outline"
+                    android:layout_marginVertical="8dp" />
+
+                <LinearLayout
+                    android:id="@+id/itemLanguage"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal"
+                    android:gravity="center_vertical"
+                    android:paddingVertical="8dp"
+                    android:background="?attr/selectableItemBackground">
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/settings_language"
+                            android:textSize="16sp" />
+
+                        <TextView
+                            android:id="@+id/tvCurrentLanguage"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textColor="@color/on_surface_secondary"
+                            android:textSize="14sp" />
+                    </LinearLayout>
+                </LinearLayout>
             </LinearLayout>
         </com.google.android.material.card.MaterialCardView>
 

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

@@ -159,6 +159,11 @@
     <string name="theme_system">System Default</string>
     <string name="theme_light">Light</string>
     <string name="theme_dark">Dark</string>
+    <string name="settings_language">Language</string>
+    <string name="settings_language_desc">Choose app language</string>
+    <string name="language_system">System Default</string>
+    <string name="language_english">English</string>
+    <string name="language_indonesian">Bahasa Indonesia</string>
 
     <!-- App Detail -->
     <string name="btn_info">App Info</string>