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() {