add lang toggle in setttings

app/src/main/java/sh/sar/basedbank/ui/home/SettingsFragment.kt

@@ -6,6 +6,8 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.appcompat.app.AppCompatDelegate.setApplicationLocales
+import androidx.core.os.LocaleListCompat
 import androidx.fragment.app.Fragment
 import sh.sar.basedbank.R
 import sh.sar.basedbank.databinding.FragmentSettingsBinding
@@ -42,6 +44,19 @@ class SettingsFragment : Fragment() {
             prefs.edit().putString("theme", key).apply()
             AppCompatDelegate.setDefaultNightMode(mode)
         }
+
+        // Language
+        val currentLocales = AppCompatDelegate.getApplicationLocales()
+        val currentLang = if (currentLocales.isEmpty) "en" else currentLocales[0]?.language ?: "en"
+        binding.languageToggle.check(
+            if (currentLang == "dv") R.id.btnLangDhivehi else R.id.btnLangEnglish
+        )
+
+        binding.languageToggle.addOnButtonCheckedListener { _, checkedId, isChecked ->
+            if (!isChecked) return@addOnButtonCheckedListener
+            val tag = if (checkedId == R.id.btnLangDhivehi) "dv" else "en"
+            setApplicationLocales(LocaleListCompat.forLanguageTags(tag))
+        }
     }
 
     override fun onResume() {

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

@@ -52,6 +52,39 @@
 
         </com.google.android.material.button.MaterialButtonToggleGroup>
 
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/language"
+            android:textAppearance="?attr/textAppearanceTitleMedium"
+            android:layout_marginTop="24dp"
+            android:layout_marginBottom="12dp" />
+
+        <com.google.android.material.button.MaterialButtonToggleGroup
+            android:id="@+id/languageToggle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:singleSelection="true"
+            app:selectionRequired="true">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/btnLangEnglish"
+                style="@style/Widget.Material3.Button.OutlinedButton"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="@string/lang_english" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/btnLangDhivehi"
+                style="@style/Widget.Material3.Button.OutlinedButton"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="@string/lang_dhivehi" />
+
+        </com.google.android.material.button.MaterialButtonToggleGroup>
+
     </LinearLayout>
 
 </ScrollView>

app/src/main/res/values-b+dv/strings.xml

@@ -86,6 +86,9 @@
     <string name="theme_system">ސިސްޓަމް</string>
     <string name="theme_light">ލައިޓް</string>
     <string name="theme_dark">ޑާކް</string>
+    <string name="language">ބަސް</string>
+    <string name="lang_english">English</string>
+    <string name="lang_dhivehi">ދިވެހި</string>
 
     <!-- Home -->
     <string name="accounts">އެކައުންޓްތައް</string>

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

@@ -85,6 +85,9 @@
     <string name="theme_system">System</string>
     <string name="theme_light">Light</string>
     <string name="theme_dark">Dark</string>
+    <string name="language">Language</string>
+    <string name="lang_english">English</string>
+    <string name="lang_dhivehi">ދިވެހި</string>
 
     <!-- Home -->
     <string name="accounts">Accounts</string>