From f0cd86b7a5cc5f83adab558aa62dae0060288bf6 Mon Sep 17 00:00:00 2001
From: wkawecki <wojtec@gmail.com>
Date: Wed, 30 Mar 2022 23:14:02 +0200
Subject: [PATCH] #13 add an option to force language X

---
 .../java/com/geeksville/mesh/BaseActivity.kt  | 40 +++++++++++++
 .../java/com/geeksville/mesh/MainActivity.kt  | 32 +++++++++-
 app/src/main/res/menu/menu_main.xml           |  4 ++
 app/src/main/res/values-cs/strings.xml        |  2 +
 app/src/main/res/values-de/strings.xml        |  2 +
 app/src/main/res/values-el/strings.xml        |  2 +
 app/src/main/res/values-es/strings.xml        |  2 +
 app/src/main/res/values-fi/strings.xml        |  2 +
 app/src/main/res/values-fr/strings.xml        |  2 +
 app/src/main/res/values-ga/strings.xml        |  1 +
 app/src/main/res/values-hu/strings.xml        |  2 +
 app/src/main/res/values-it/strings.xml        |  2 +
 app/src/main/res/values-ja/strings.xml        |  2 +
 app/src/main/res/values-ko-rKR/strings.xml    |  2 +
 app/src/main/res/values-nl/strings.xml        |  2 +
 app/src/main/res/values-no/strings.xml        |  2 +
 app/src/main/res/values-pl/strings.xml        |  2 +
 app/src/main/res/values-pt-rBR/strings.xml    |  2 +
 app/src/main/res/values-pt/strings.xml        |  2 +
 app/src/main/res/values-ro/strings.xml        |  2 +
 app/src/main/res/values-ru/strings.xml        |  2 +
 app/src/main/res/values-sk/strings.xml        |  2 +
 app/src/main/res/values-sl/strings.xml        |  4 +-
 app/src/main/res/values-sq/strings.xml        |  2 +
 app/src/main/res/values-sv/strings.xml        |  2 +
 app/src/main/res/values-tr/strings.xml        |  2 +
 app/src/main/res/values-zh/strings.xml        |  2 +
 app/src/main/res/values/arrays.xml            | 59 +++++++++++++++++++
 app/src/main/res/values/strings.xml           |  2 +
 29 files changed, 184 insertions(+), 2 deletions(-)
 create mode 100644 app/src/main/java/com/geeksville/mesh/BaseActivity.kt

diff --git a/app/src/main/java/com/geeksville/mesh/BaseActivity.kt b/app/src/main/java/com/geeksville/mesh/BaseActivity.kt
new file mode 100644
index 000000000..046387e12
--- /dev/null
+++ b/app/src/main/java/com/geeksville/mesh/BaseActivity.kt
@@ -0,0 +1,40 @@
+package com.geeksville.mesh
+
+import android.content.Context
+import android.os.Build
+import androidx.appcompat.app.AppCompatActivity
+import com.geeksville.android.Logging
+import com.geeksville.mesh.model.UIViewModel
+import java.util.*
+
+open class BaseActivity: AppCompatActivity(), Logging {
+
+    override fun attachBaseContext(newBase: Context) {
+        val res = newBase.resources
+        val config = res.configuration
+
+        // get chosen language from preference
+        val prefs = UIViewModel.getPreferences(newBase)
+        val langCode = prefs.getString("lang","zz")
+        debug("langCode is $langCode")
+
+        if (Build.VERSION.SDK_INT >= 17) {
+            val locale = if (langCode == "zz")
+                Locale.getDefault()
+            else
+                Locale(langCode)
+            config.setLocale(locale)
+
+            if(Build.VERSION.SDK_INT > 24) {
+                //Using createNewConfigurationContext will cause CompanionDeviceManager to crash
+                applyOverrideConfiguration(config)
+                super.attachBaseContext(newBase)
+            }else {
+                super.attachBaseContext(newBase.createConfigurationContext(config))
+            }
+        } else {
+            super.attachBaseContext(newBase)
+        }
+    }
+
+}
diff --git a/app/src/main/java/com/geeksville/mesh/MainActivity.kt b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
index d7bf8c0dd..1386a3053 100644
--- a/app/src/main/java/com/geeksville/mesh/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
@@ -118,7 +118,7 @@ eventually:
 val utf8 = Charset.forName("UTF-8")
 
 @AndroidEntryPoint
-class MainActivity : AppCompatActivity(), Logging,
+class MainActivity : BaseActivity(), Logging,
     ActivityCompat.OnRequestPermissionsResultCallback {
 
     companion object {
@@ -1079,6 +1079,10 @@ class MainActivity : AppCompatActivity(), Logging,
                 chooseThemeDialog()
                 return true
             }
+            R.id.preferences_language -> {
+                chooseLangDialog()
+                return true
+            }
             else -> super.onOptionsItemSelected(item)
         }
     }
@@ -1167,4 +1171,30 @@ class MainActivity : AppCompatActivity(), Logging,
         }
     }
 
+    private fun chooseLangDialog() {
+
+        /// Prepare dialog and its items
+        val builder = MaterialAlertDialogBuilder(this)
+        builder.setTitle(getString(R.string.preferences_language))
+
+        val languageLabels by lazy { resources.getStringArray(R.array.language_entries) }
+        val languageValues by lazy { resources.getStringArray(R.array.language_values) }
+
+        /// Load preferences and its value
+        val prefs = UIViewModel.getPreferences(this)
+        val editor: SharedPreferences.Editor = prefs.edit()
+        val lang = prefs.getString("lang", "zz")
+        debug("Lang from prefs: $lang")
+
+        builder.setSingleChoiceItems(languageLabels, languageValues.indexOf(lang)) { dialog, which ->
+            var lang = languageValues[which];
+            debug("Set lang pref to $lang")
+            editor.putString("lang", lang)
+            editor.apply()
+            dialog.dismiss()
+        }
+        val dialog = builder.create()
+        dialog.show()
+    }
+
 }
diff --git a/app/src/main/res/menu/menu_main.xml b/app/src/main/res/menu/menu_main.xml
index 37c9fad55..600836a5f 100644
--- a/app/src/main/res/menu/menu_main.xml
+++ b/app/src/main/res/menu/menu_main.xml
@@ -28,6 +28,10 @@
         android:id="@+id/theme"
         android:title="@string/theme"
         app:showAsAction="withText" />
+    <item
+        android:id="@+id/preferences_language"
+        android:title="@string/preferences_language"
+        app:showAsAction="withText" />
     <item
         android:id="@+id/about"
         android:title="@string/about"
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 23fb43959..566608553 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -62,4 +62,6 @@
     <string name="rate_dialog_cancel_en">Připomenout později</string>
     <string name="rate_dialog_ok_en">Ohodnotit teď</string>
     <string name="rate_dialog_title_en">Ohodnoťte Meshtastic</string>
+    <string name="preferences_language">Jazyk</string>
+    <string name="preferences_system_default">Podle systému</string>
 </resources>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 6c29d3806..557521e25 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -28,4 +28,6 @@
     <string name="are_you_sure_channel">Möchten Sie wirklich den Kanal wechseln? Die gesamte Kommunikation mit anderen Knoten wird unterbrochen, bis Sie die neuen Kanaleinstellungen freigeben.</string>
     <string name="new_channel_rcvd">Neuen Kanal-Link empfangen</string>
     <string name="do_you_want_switch">Möchten Sie zum Kanal wechseln? \'%s\' </string>
+    <string name="preferences_language">Sprache</string>
+    <string name="preferences_system_default">System</string>
 </resources>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index b5743c54a..06655d6ec 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -73,4 +73,6 @@
     <string name="modem_config_slow_short">Μικρή εμβέλεια (αργό)</string>
     <string name="modem_config_slow_medium">Μεσαία εμβέλεια (αργό)</string>
     <string name="modem_config_slow_long">μεγάλη εμβέλεια (αργό)</string>
+    <string name="preferences_language">Γλώσσα</string>
+    <string name="preferences_system_default">Προκαθορισμένο του συστήματος</string>
 </resources>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 24e1c10b2..4832d241b 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -96,4 +96,6 @@
     <string name="modem_config_slow_short">Curto alcance / lento</string>
     <string name="modem_config_slow_medium">Médio alcance / lento</string>
     <string name="modem_config_slow_long">Largo alcance / lento)</string>
+    <string name="preferences_language">Idioma</string>
+    <string name="preferences_system_default">Predeterminado del sistema</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index d8e413e55..6dc2b5f5a 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -28,4 +28,6 @@
     <string name="are_you_sure_channel">Oletko varma, että haluat vaihtaa kanavaa? Kaikki yhteydet katkeavat, ennen kuin olet jakanut uudet kanavan asetukset.</string>
     <string name="new_channel_rcvd">Vastaanotettu uuden kanavan URL</string>
     <string name="do_you_want_switch">Haluatko siirtyä kanavalle \'%s\'?</string>
+    <string name="preferences_language">Kieli</string>
+    <string name="preferences_system_default">Järjestelmän oletus</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 8af1f7007..491b00e6f 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -77,4 +77,6 @@
     <string name="modem_config_slow_short">Courte distance (lent)</string>
     <string name="modem_config_slow_medium">Moyenne distance (lent)</string>
     <string name="modem_config_slow_long">Longue distance (lent)</string>
+    <string name="preferences_language">Langue</string>
+    <string name="preferences_system_default">Valeur par défaut du système</string>
 </resources>
diff --git a/app/src/main/res/values-ga/strings.xml b/app/src/main/res/values-ga/strings.xml
index 7ebffb92c..1b14b2349 100644
--- a/app/src/main/res/values-ga/strings.xml
+++ b/app/src/main/res/values-ga/strings.xml
@@ -43,4 +43,5 @@
     <string name="current_pair">Tá tú péireáilte faoi láthair le raidió %s</string>
     <string name="not_paired_yet">Níl raidió péireálite agat fós.</string>
     <string name="change_radio">Athraigh raidió</string>
+    <string name="preferences_language">Teanga</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 04710ba72..654d74ab0 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -105,4 +105,6 @@
     <string name="modem_config_slow_short">Rövid hatótáv (lassú)</string>
     <string name="modem_config_slow_medium">Közepes hatótáv (lassú)</string>
     <string name="modem_config_slow_long">Távoli hatótáv (lassú)</string>
+    <string name="preferences_language">Nyelv</string>
+    <string name="preferences_system_default">Alapbeállítás</string>
 </resources>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 235d07cdc..74cd6d8d3 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -42,4 +42,6 @@
     <string name="current_pair">Attualmente sei associato alla radio %s</string>
     <string name="not_paired_yet">Non hai ancora associato alcuna radio..</string>
     <string name="change_radio">Cambia radio</string>
+    <string name="preferences_language">Lingua</string>
+    <string name="preferences_system_default">Predefinito di sistema</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index b38ebb5aa..a2fb2d994 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -55,4 +55,6 @@ mapboxの有償プラン（または代替地図プロバイダ）を検討さ
     <string name="not_connected">接続されていません。下記のMeshtasticデバイスを選択してください。</string>
     <string name="connected_sleeping">接続しましたが、Meshtasticデバイスはスリープ状態です。</string>
     <string name="update_to">%s更新</string>
+    <string name="preferences_language">言語</string>
+    <string name="preferences_system_default">システム既定</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ko-rKR/strings.xml b/app/src/main/res/values-ko-rKR/strings.xml
index e96773a02..a6b747228 100644
--- a/app/src/main/res/values-ko-rKR/strings.xml
+++ b/app/src/main/res/values-ko-rKR/strings.xml
@@ -76,4 +76,6 @@
     <string name="modem_config_slow_short">짧은 거리 (느린 속도)</string>
     <string name="modem_config_slow_medium">중간 거리 (느린 속도)</string>
     <string name="modem_config_slow_long">>먼 거리 (느린 속도)</string>
+    <string name="preferences_language">언어</string>
+    <string name="preferences_system_default">시스템 기본값</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 5b8653401..1bd37b686 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -73,4 +73,6 @@
     <string name="modem_config_slow_short">Klein bereik (traag)</string>
     <string name="modem_config_slow_medium">Medium bereik (traag)</string>
     <string name="modem_config_slow_long">Groot bereik (traag)</string>
+    <string name="preferences_language">Taal</string>
+    <string name="preferences_system_default">Systeemstandaard</string>
 </resources>
diff --git a/app/src/main/res/values-no/strings.xml b/app/src/main/res/values-no/strings.xml
index 9155ecc4a..f675496a4 100644
--- a/app/src/main/res/values-no/strings.xml
+++ b/app/src/main/res/values-no/strings.xml
@@ -73,4 +73,6 @@
     <string name="modem_config_slow_short">Kort rekkevidde (langsom)</string>
     <string name="modem_config_slow_medium">Medium rekkevidde (langsom)</string>
     <string name="modem_config_slow_long">Lang rekkevidde (langsom)</string>
+    <string name="preferences_language">Språk</string>
+    <string name="preferences_system_default">System standard</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 73729189d..ca72a2ef2 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -135,4 +135,6 @@
     <string name="why_background_required">Ta opcja wymaga dostępu \"Pozwól cały czas\" do lokalizacji.</string>
     <string name="cancel_no_radio">Anuluj (brak dostępu)</string>
     <string name="allow_will_show">Pozwól</string>
+    <string name="preferences_language">Język (wymagany restart)</string>
+    <string name="preferences_system_default">Domyślny systemu</string>
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index fc18bb8ce..02e373bae 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -123,4 +123,6 @@
     </plurals>
     <string name="delete">Excluir</string>
     <string name="select_all">Selecionar tudo</string>
+    <string name="preferences_language">Idioma</string>
+    <string name="preferences_system_default">Padrão do sistema</string>
 </resources>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 13521d704..3e3019895 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -123,4 +123,6 @@
     </plurals>
     <string name="delete">Excluir</string>
     <string name="select_all">Selecionar tudo</string>
+    <string name="preferences_language">Idioma</string>
+    <string name="preferences_system_default">Configuração por omissão</string>
 </resources>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index 61085a5d8..f0dc195c5 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -73,4 +73,6 @@
     <string name="modem_config_slow_short">Rază scurtă (încet)</string>
     <string name="modem_config_slow_medium">Rază medie (încet)</string>
     <string name="modem_config_slow_long">Rază lungă (încet)</string>
+    <string name="preferences_language">Limba</string>
+    <string name="preferences_system_default">Setarea telefonului</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 8e7ae5a92..87ef9a607 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -37,4 +37,6 @@
     <string name="report_a_bug">Сообщить об ошибке</string>
     <string name="report_bug_text">Вы уверены, что хотите сообщить об ошибке? После сообщения, пожалуйста, напишите в meshtastic.discourse.group, чтобы мы могли сопоставить отчет с тем, что вы нашли.</string>
     <string name="report">Отчет</string>
+    <string name="preferences_language">Язык</string>
+    <string name="preferences_system_default">По умолчанию</string>
 </resources>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 9a06917ae..c28077f89 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -121,4 +121,6 @@
     <string name="modem_config_slow_short">Krátky dosah / Pomalé</string>
     <string name="modem_config_slow_medium">Stredný dosah / Pomalé</string>
     <string name="modem_config_slow_long">Dlhý dosah / Pomalé</string>
+    <string name="preferences_language">Jazyk</string>
+    <string name="preferences_system_default">Predvolené nastavenie</string>
 </resources>
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index 1520b3344..289d7dc91 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -18,7 +18,7 @@
     <string name="analytics_okay">Anonimna statistika uporabe in poročila o zrušitvah.</string>
     <string name="looking_for_meshtastic_devices">Iščem Meshtastic naprave…</string>
     <string name="requires_bluetooth">Ta aplikacija zahteva dostop do bluetooth. Dovolite dostop v nastavitvah za Android.</string>
-    <string name="error_bluetooth">Napaka - aplikacija potrebuje Bluetooth povezavo</string>
+    <string name="error_bluetooth">Gumb za skupno rabopovezavo</string>
     <string name="starting_pairing">Začetek seznanjanja naprav</string>
     <string name="pairing_failed">Napaka seznanjanja naprav</string>
     <string name="url_for_join">URL za pridružitev Meshtastic mreže</string>
@@ -68,4 +68,6 @@
     <string name="modem_config_slow_short">Kratek doseg (počasen)</string>
     <string name="modem_config_slow_medium">Srednji doseg (počasen)</string>
     <string name="modem_config_slow_long">Dolg doseg (počasen)</string>
+    <string name="preferences_language">Jezik</string>
+    <string name="preferences_system_default">Privzeta sistemska</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sq/strings.xml b/app/src/main/res/values-sq/strings.xml
index 128ca8805..3074df403 100644
--- a/app/src/main/res/values-sq/strings.xml
+++ b/app/src/main/res/values-sq/strings.xml
@@ -28,4 +28,6 @@
     <string name="are_you_sure_channel">Je i sigurtë për ndërrimin e kanalit radio ? I gjithë komunikimi me nyjet e tjera do të përfundojë derisa të shprëndani parametrat e reja të kanalit radio.</string>
     <string name="new_channel_rcvd">Ju keni një kanal radio të ri URL</string>
     <string name="do_you_want_switch">Dëshiron të kalosh në këtë kanal radio ? \'%s\' ?</string>
+    <string name="preferences_language">Gjuhë</string>
+    <string name="preferences_system_default">Parazgjedhje sistemi</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index eb71fdde9..dc558f61a 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -28,4 +28,6 @@
     <string name="are_you_sure_channel">Är du säker på att du vill byta kanal? All kommunikation med andra noder avbryts tills du delar de nya kanalinställningarna.</string>
     <string name="new_channel_rcvd">Ny kanal-länk mottagen</string>
     <string name="do_you_want_switch">Vill du växla till kanalen \'%s\' </string>
+    <string name="preferences_language">Språk</string>
+    <string name="preferences_system_default">Systemets standard</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 80346d790..3739a19b2 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -70,4 +70,6 @@
     <string name="modem_config_slow_short">Kısa menzilli (yavaş)</string>
     <string name="modem_config_slow_medium">Orta menzilli (yavaş)</string>
     <string name="modem_config_slow_long">Uzun menzilli (yavaş)</string>
+    <string name="preferences_system_default">Sistem varsayılanı</string>
+    <string name="preferences_language">Dil</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 8ea70c221..6e27c241b 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -106,4 +106,6 @@
     <string name="modem_config_slow_short">短距离（速度慢）</string>
     <string name="modem_config_slow_medium">中等距离（速度慢）</string>
     <string name="modem_config_slow_long">长距离（速度慢）</string>
+    <string name="preferences_language">语言</string>
+    <string name="preferences_system_default">系统默认</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index c0035db1a..4746f7e33 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -3,4 +3,63 @@
     <array name="MapMenuCheckbox">
         <item>Use Custom URI?</item>
     </array>
+    <string-array name="language_entries">
+        <!-- zz --><item>@string/preferences_system_default</item>
+        <!-- en --><item>English</item>
+        <!-- cs --><item>Čeština</item>
+        <!-- zh --><item>Chinese 中文 </item>
+        <!-- de --><item>Deutsch</item>
+        <!-- es --><item>Español</item>
+        <!-- fr --><item>Français</item>
+        <!-- ga --><item>Gaeilge</item>
+        <!-- el --><item>Greek ελληνικά</item>
+        <!-- ht --><item>Haiti</item>
+        <!-- it --><item>Italiano</item>
+        <!-- ja --><item>Japanese 日本語</item>
+        <!-- ko-rKR --><item>Korean 한국어</item>
+        <!-- hu --><item>Magyar</item>
+        <!-- nl --><item>Nederlands</item>
+        <!-- no --><item>Norge</item>
+        <!-- pl --><item>Polski</item>
+        <!-- pt --><item>Português</item>
+        <!-- pt_BR --><item>Português do Brasil</item>
+        <!-- ro --><item>Română</item>
+        <!-- ru --><item>Russian Pусский</item>
+        <!-- sq --><item>Shqip</item>
+        <!-- sk --><item>Slovenský</item>
+        <!-- sl --><item>Slovenščina</item>
+        <!-- fi --><item>Suomi</item>
+        <!-- sv --><item>Svenska</item>
+        <!-- tr --><item>Türkçe</item>
+    </string-array>
+
+    <string-array name="language_values">
+        <item>zz</item>
+        <item>en</item>
+        <item>cs</item>
+        <item>zh</item>
+        <item>de</item>
+        <item>es</item>
+        <item>fr</item>
+        <item>ga</item>
+        <item>el</item>
+        <item>ht</item>
+        <item>it</item>
+        <item>ja</item>
+        <item>ko-rKR</item>
+        <item>hu</item>
+        <item>nl</item>
+        <item>no</item>
+        <item>pl</item>
+        <item>pt</item>
+        <item>pt_BR</item>
+        <item>ro</item>
+        <item>ru</item>
+        <item>sq</item>
+        <item>sk</item>
+        <item>sl</item>
+        <item>fi</item>
+        <item>sv</item>
+        <item>tr</item>
+    </string-array>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 99b4a2adc..404935fe9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -138,4 +138,6 @@
     <string name="download_region_dialog_title">Download Region</string>
     <string name="download_region_connection_alert">You are not connected to the internet, you cannot download an offline map</string>
     <string name="download_failed">Unable to download style pack</string>
+    <string name="preferences_language">Language (restart needed)</string>
+    <string name="preferences_system_default">System default</string>
 </resources>
\ No newline at end of file