Add in-app language setting

2020-12-11 16:53:12 +01:00 · 2020-12-11 16:53:12 +01:00 · 689dffe7c1
parent 271b9f310d
commit 689dffe7c1
35 changed files with 175 additions and 56 deletions
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -24,6 +24,7 @@
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        tools:replace="android:allowBackup">
+        <activity android:name=".BaseActivity"></activity>
        <activity android:name=".CameraActivity" />
        <activity
            android:name=".ReportActivity"
--- a/app/src/main/java/com/h/pixeldroid/AboutActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/AboutActivity.kt
@ -5,7 +5,7 @@ import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import kotlinx.android.synthetic.main.activity_about.*

-class AboutActivity : AppCompatActivity() {
+class AboutActivity : BaseActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_about)
--- a/app/src/main/java/com/h/pixeldroid/BaseActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/BaseActivity.kt
@ -0,0 +1,46 @@
+package com.h.pixeldroid
+
+import android.content.Context
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.os.Build
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.PreferenceManager
+import java.util.*
+
+
+open class BaseActivity : AppCompatActivity() {
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(updateBaseContextLocale(base))
+    }
+
+    private fun updateBaseContextLocale(context: Context): Context {
+        val language = PreferenceManager.getDefaultSharedPreferences(context).getString("language", "").orEmpty()
+        if(language.isEmpty()){
+            return context
+        }
+        val locale = Locale.forLanguageTag(language)
+        Locale.setDefault(locale)
+        return if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N) {
+            updateResourcesLocale(context, locale)
+        } else updateResourcesLocaleLegacy(context, locale)
+    }
+
+    private fun updateResourcesLocale(context: Context, locale: Locale): Context =
+        context.createConfigurationContext(
+                Configuration(context.resources.configuration)
+                        .apply { setLocale(locale) }
+        )
+
+    @SuppressWarnings("deprecation")
+    private fun updateResourcesLocaleLegacy(context: Context, locale: Locale): Context {
+        val resources: Resources = context.resources
+        val configuration: Configuration = resources.configuration
+        configuration.locale = locale
+        resources.updateConfiguration(configuration, resources.displayMetrics)
+        return context
+    }
+
+}
--- a/app/src/main/java/com/h/pixeldroid/FollowsActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/FollowsActivity.kt
@ -11,7 +11,7 @@ import com.h.pixeldroid.objects.Account.Companion.FOLLOWERS_TAG
 import javax.inject.Inject


-class FollowsActivity : AppCompatActivity() {
+class FollowsActivity : BaseActivity() {
    private var followsFragment = AccountListFragment()
    @Inject
    lateinit var db: AppDatabase
--- a/app/src/main/java/com/h/pixeldroid/LicenseActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/LicenseActivity.kt
@ -5,7 +5,7 @@ import androidx.appcompat.app.AppCompatActivity
 import kotlinx.android.synthetic.main.activity_licenses.*


-class LicenseActivity : AppCompatActivity() {
+class LicenseActivity : BaseActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_licenses)
--- a/app/src/main/java/com/h/pixeldroid/LoginActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/LoginActivity.kt
@ -48,7 +48,7 @@ since they do not depend on each other)

 */

-class LoginActivity : AppCompatActivity() {
+class LoginActivity : BaseActivity() {

    companion object {
        private const val PACKAGE_ID = BuildConfig.APPLICATION_ID
--- a/app/src/main/java/com/h/pixeldroid/MainActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/MainActivity.kt
@ -45,7 +45,7 @@ import retrofit2.Response
 import java.lang.IllegalArgumentException
 import javax.inject.Inject

-class MainActivity : AppCompatActivity() {
+class MainActivity : BaseActivity() {

    @Inject
    lateinit var db: AppDatabase
--- a/app/src/main/java/com/h/pixeldroid/PhotoEditActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/PhotoEditActivity.kt
@ -59,7 +59,7 @@ private const val REQUEST_CODE_PERMISSIONS_SEND_PHOTO = 7
 private val REQUIRED_PERMISSIONS = arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE,
    android.Manifest.permission.WRITE_EXTERNAL_STORAGE)

-class PhotoEditActivity : AppCompatActivity(), FilterListFragmentListener, EditImageFragmentListener {
+class PhotoEditActivity : BaseActivity(), FilterListFragmentListener, EditImageFragmentListener {

    internal var saving: Boolean = false
    private val BITMAP_CONFIG = Bitmap.Config.ARGB_8888
--- a/app/src/main/java/com/h/pixeldroid/PostActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/PostActivity.kt
@ -20,7 +20,7 @@ import retrofit2.Callback
 import retrofit2.Response
 import javax.inject.Inject

-class PostActivity : AppCompatActivity() {
+class PostActivity : BaseActivity() {
    private lateinit var postFragment : PostFragment
    lateinit var domain : String
    private lateinit var accessToken : String
--- a/app/src/main/java/com/h/pixeldroid/PostCreationActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/PostCreationActivity.kt
@ -41,7 +41,7 @@ private val TAG = "Post Creation Activity"
 private val MORE_PICTURES_REQUEST_CODE = 0xffff


-class PostCreationActivity : AppCompatActivity(), PostCreationListener {
+class PostCreationActivity : BaseActivity(), PostCreationListener {

    private lateinit var recycler : RecyclerView
    private lateinit var adapter : PostCreationAdapter
--- a/app/src/main/java/com/h/pixeldroid/ProfileActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/ProfileActivity.kt
@ -29,7 +29,7 @@ import retrofit2.Callback
 import retrofit2.Response
 import javax.inject.Inject

-class ProfileActivity : AppCompatActivity() {
+class ProfileActivity : BaseActivity() {
    private lateinit var pixelfedAPI : PixelfedAPI
    private lateinit var adapter : ProfilePostsRecyclerViewAdapter
    private lateinit var recycler : RecyclerView
--- a/app/src/main/java/com/h/pixeldroid/ReportActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/ReportActivity.kt
@ -14,7 +14,7 @@ import retrofit2.Callback
 import retrofit2.Response
 import javax.inject.Inject

-class ReportActivity : AppCompatActivity() {
+class ReportActivity : BaseActivity() {

    @Inject
    lateinit var db: AppDatabase
--- a/app/src/main/java/com/h/pixeldroid/SearchActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/SearchActivity.kt
@ -15,7 +15,7 @@ import com.h.pixeldroid.fragments.feeds.uncachedFeeds.search.SearchHashtagFragme
 import com.h.pixeldroid.fragments.feeds.uncachedFeeds.search.SearchPostsFragment
 import com.h.pixeldroid.objects.Results

-class SearchActivity : AppCompatActivity() {
+class SearchActivity : BaseActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
--- a/app/src/main/java/com/h/pixeldroid/SettingsActivity.kt
+++ b/app/src/main/java/com/h/pixeldroid/SettingsActivity.kt
@ -3,14 +3,12 @@ package com.h.pixeldroid
 import android.content.Intent
 import android.content.SharedPreferences
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
-import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceManager
 import com.h.pixeldroid.utils.ThemeUtils.Companion.setThemeFromPreferences

-class SettingsActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferenceChangeListener {
-    private var restartActivitiesOnExit = false
+class SettingsActivity : BaseActivity(), SharedPreferences.OnSharedPreferenceChangeListener {
+    private var restartMainOnExit = false

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
@ -21,11 +19,8 @@ class SettingsActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferen
            .replace(R.id.settings, SettingsFragment())
            .commit()
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-    }

-    private fun restartCurrentActivity() {
-        intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
-        super.startActivity(intent)
+        restartMainOnExit = intent.getBooleanExtra("restartMain", false)
    }

    override fun onResume() {
@ -42,16 +37,43 @@ class SettingsActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferen
        )
    }

+    override fun onBackPressed() {
+        // If a setting (for example language or theme) was changed, the main activity should be
+        // started without history so that the change is applied to the whole back stack
+        if (restartMainOnExit) {
+            val intent = Intent(this, MainActivity::class.java)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            super.startActivity(intent)
+        } else {
+            super.onBackPressed()
+        }
+    }
    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
        when (key) {
-            "theme" -> setThemeFromPreferences(sharedPreferences, resources)
+            "theme" -> {
+                setThemeFromPreferences(sharedPreferences, resources)
+                recreateWithRestartStatus()
+            }
+            "language" -> {
+                recreateWithRestartStatus()
+            }
        }
-
-        restartActivitiesOnExit = true
-        restartCurrentActivity()
    }

-     class SettingsFragment : PreferenceFragmentCompat() {
+    /**
+     * Mark main activity to be changed and recreate the current one
+     */
+    private fun recreateWithRestartStatus() {
+        intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
+        val savedInstanceState = Bundle().apply {
+            putBoolean("restartMain", true)
+        }
+        intent.putExtras(savedInstanceState)
+        super.startActivity(intent)
+        finish()
+    }
+
+    class SettingsFragment : PreferenceFragmentCompat() {
        override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
            setPreferencesFromResource(R.xml.root_preferences, rootKey)
        }
--- a/app/src/main/java/com/h/pixeldroid/di/ApplicationComponent.kt
+++ b/app/src/main/java/com/h/pixeldroid/di/ApplicationComponent.kt
@ -23,10 +23,7 @@ interface ApplicationComponent {
    fun inject(activity: ProfileActivity?)
    fun inject(mainActivity: MainActivity?)
    fun inject(activity: ReportActivity?)
-    fun inject(fragment: PostFragment)
-    fun inject(fragment: SearchDiscoverFragment)

-    fun inject(fragment: NotificationsFragment)
    fun inject(feedFragment: BaseFragment)
    fun inject(followsActivity: FollowsActivity)

--- a/app/src/main/java/com/h/pixeldroid/fragments/SearchDiscoverFragment.kt
+++ b/app/src/main/java/com/h/pixeldroid/fragments/SearchDiscoverFragment.kt
@ -43,7 +43,7 @@ import javax.inject.Inject
 * This fragment lets you search and use Pixelfed's Discover feature
 */

-class SearchDiscoverFragment : Fragment() {
+class SearchDiscoverFragment : BaseFragment() {
    private lateinit var api: PixelfedAPI
    private lateinit var recycler : RecyclerView
    private lateinit var adapter : DiscoverRecyclerViewAdapter
@ -51,14 +51,6 @@ class SearchDiscoverFragment : Fragment() {
    private lateinit var discoverProgressBar: ProgressBar
    private lateinit var discoverRefreshLayout: SwipeRefreshLayout

-    @Inject
-    lateinit var db: AppDatabase
-
-    @Inject
-    lateinit var apiHolder: PixelfedAPIHolder
-
-
-
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
@ -66,9 +58,6 @@ class SearchDiscoverFragment : Fragment() {
        val view = inflater.inflate(R.layout.fragment_search, container, false)
        val search = view.findViewById<SearchView>(R.id.search)

-        (requireActivity().application as Pixeldroid).getAppComponent().inject(this)
-
-
        //Configure the search widget (see https://developer.android.com/guide/topics/search/search-dialog#ConfiguringWidget)
        val searchManager = requireActivity().getSystemService(Context.SEARCH_SERVICE) as SearchManager
        search.setSearchableInfo(searchManager.getSearchableInfo(requireActivity().componentName))
--- a/app/src/main/res/drawable/translate_black_24dp.xml
+++ b/app/src/main/res/drawable/translate_black_24dp.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12.87,15.07l-2.54,-2.51 0.03,-0.03c1.74,-1.94 2.98,-4.17 3.71,-6.53L17,6L17,4h-7L10,2L8,2v2L1,4v1.99h11.17C11.5,7.92 10.44,9.75 9,11.35 8.07,10.32 7.3,9.19 6.69,8h-2c0.73,1.63 1.73,3.17 2.98,4.56l-5.09,5.02L4,19l5,-5 3.11,3.11 0.76,-2.04zM18.5,10h-2L12,22h2l1.12,-3h4.75L21,22h2l-4.5,-12zM15.88,17l1.62,-4.33L19.12,17h-3.24z"
+      android:fillColor="@color/colorDrawing"/>
+</vector>
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@ -47,7 +47,7 @@
    <string name="dark_theme">داكن</string>
    <string name="light_theme">فاتح</string>
    <string name="save_image_success">تم حفظ الصورة بنجاح</string>
-    <string name="default_theme">افتراضي (يتبع النظام)</string>
+    <string name="default_system">افتراضي (يتبع النظام)</string>
    <string name="description_max_characters">يجب أن يحتوي الوصف على %1$s حرفًا على الأكثر.</string>
    <string name="upload_post_success">تم تحميل المنشور بنجاح</string>
    <string name="upload_post_failed">فشل في تحميل المنشور</string>
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@ -93,7 +93,7 @@
    <string name="permission_denied">Permís denegat</string>
    <string name="dark_theme">Fosc</string>
    <string name="light_theme">Clar</string>
-    <string name="default_theme">Per defecte (seguint el sistema)</string>
+    <string name="default_system">Per defecte (seguint el sistema)</string>
    <string name="media_upload_completed">{gmd_cloud_done} S\'ha completat l\'enviament multimèdia</string>
    <string name="media_upload_failed">{gmd_cloud_off} L\'enviament multimèdia ha fallat, torna-ho a provar o comprova les condicions de la xarxa</string>
    <string name="posting_image_accessibility_hint">Imatge que s\'està publicant</string>
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@ -41,7 +41,7 @@
    <string name="registration_failed">Konnte die App nicht mit diesem Server verbinden</string>
    <string name="instance_error">Konnte die Informationen der Instanz nicht abrufen</string>
    <string name="upload_picture_failed">Fehler beim Hochladen!</string>
-    <string name="default_theme">Standard (Systemeinstellung)</string>
+    <string name="default_system">Standard (Systemeinstellung)</string>
    <string name="permission_denied">Berechtigung verweigert</string>
    <string name="save_image_failed">Bild kann nicht gespeichert werden</string>
    <string name="description_max_characters">Die Beschreibung darf höchstens %1$s Zeichen enthalten.</string>
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@ -97,7 +97,7 @@
    <string name="permission_denied">Permiso denegado</string>
    <string name="dark_theme">Oscuro</string>
    <string name="light_theme">Claro</string>
-    <string name="default_theme">Por defecto (Sistema)</string>
+    <string name="default_system">Por defecto (Sistema)</string>
    <string name="crop_result_error">No se pudo recuperar la imagen después del recorte</string>
    <string name="busy_dialog_ok_button">Bien, espera.</string>
    <string name="busy_dialog_text">Procesando imagen, ¡Espera a que termine!</string>
--- a/app/src/main/res/values-eu/strings.xml
+++ b/app/src/main/res/values-eu/strings.xml
@ -59,7 +59,7 @@
    <string name="save_image_failed">Ezinezkoa irudia gordetzea</string>
    <string name="dark_theme">Iluna</string>
    <string name="light_theme">Argia</string>
-    <string name="default_theme">Lehenetsia (Sistemaren lehentsia)</string>
+    <string name="default_system">Lehenetsia (Sistemaren lehentsia)</string>
    <string name="no_description">Deskribapenik ez</string>
    <string name="description_max_characters">Deskribapenak %1$s karaktere izan behar ditu gehienez.</string>
    <string name="save_image_success">Irudia behar bezala gorde da</string>
--- a/app/src/main/res/values-fa/strings.xml
+++ b/app/src/main/res/values-fa/strings.xml
@ -45,7 +45,7 @@
    <string name="permission_denied">ممنوعیت دسترسی</string>
    <string name="save_image_failed">نتوانستیم تصویر را ذخیره کنیم</string>
    <string name="description_max_characters">توضیحات حداکثر می‌توانند تا %1$s حرف داشته باشند.</string>
-    <string name="default_theme">پیش‌گزیده (پیروی از سامانه)</string>
+    <string name="default_system">پیش‌گزیده (پیروی از سامانه)</string>
    <string name="light_theme">روشن</string>
    <string name="dark_theme">تاریک</string>
    <string name="upload_post_error">بارگذاری مطلب ناموفق بود</string>
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@ -51,7 +51,7 @@
    <string name="permission_denied">Permission refusée</string>
    <string name="dark_theme">Sombre</string>
    <string name="light_theme">Clair</string>
-    <string name="default_theme">Par défaut (selon votre système)</string>
+    <string name="default_system">Par défaut (selon votre système)</string>
    <string name="upload_post_failed">Échec du téléversement de la publication</string>
    <string name="upload_post_success">Téléversement de la publication avec succès</string>
    <string name="posted_on">Publié le %1$s</string>
--- a/app/src/main/res/values-gl/strings.xml
+++ b/app/src/main/res/values-gl/strings.xml
@ -93,7 +93,7 @@
    <string name="permission_denied">Permiso denegado</string>
    <string name="dark_theme">Escuro</string>
    <string name="light_theme">Claro</string>
-    <string name="default_theme">Por omisión (do sistema)</string>
+    <string name="default_system">Por omisión (do sistema)</string>
    <string name="media_upload_failed">{gmd_cloud_off} Fallou a subida do ficheiro, inténtao outra vez e comproba a conexión</string>
    <string name="posting_image_accessibility_hint">Imaxe que se publicou</string>
    <string name="media_upload_completed">{gmd_cloud_done} Subida do ficheiro completada</string>
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@ -97,7 +97,7 @@
    <string name="media_upload_failed">{gmd_cloud_off} Caricamento dei contenuti non riuscito, riprovare o verificare le condizioni della rete</string>
    <string name="follow_button_failed">Impossibile visualizzare il tasto segui</string>
    <string name="follow_status_failed">Impossibile ottenere lo stato segui</string>
-    <string name="default_theme">Predefinito (Segue il sistema)</string>
+    <string name="default_system">Predefinito (Segue il sistema)</string>
    <string name="crop_result_error">Impossibile recuperare l\'immagine dopo il ritaglio</string>
    <string name="busy_dialog_ok_button">Ok, aspetta.</string>
    <string name="busy_dialog_text">Elaborando ancora l\'immagine, attendi che finisca prima!</string>
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@ -97,7 +97,7 @@
    <string name="permission_denied">権限がありません</string>
    <string name="dark_theme">ダーク</string>
    <string name="light_theme">ライト</string>
-    <string name="default_theme">デフォルト(システム設定)</string>
+    <string name="default_system">デフォルト(システム設定)</string>
    <string name="busy_dialog_ok_button">お待ちください。</string>
    <string name="busy_dialog_text">画像を処理しています。しばらくお待ちください。</string>
    <string name="nothing_to_see_here">ここには何もありません！</string>
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@ -74,7 +74,7 @@
    <string name="upload_post_failed">Kon post niet uploaden</string>
    <string name="save_image_failed">Kon afbeelding niet opslaan</string>
    <string name="permission_denied">Toestemming geweigerd</string>
-    <string name="default_theme">Standaard (systeem instelling)</string>
+    <string name="default_system">Standaard (systeem instelling)</string>
    <string name="instance_error">Kon instance-informatie niet ophalen</string>
    <string name="likes">%1$s Vind-ik-leuks</string>
    <string name="request_format_error">Fout bij het uploaden: slecht verzoekformaat</string>
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@ -58,7 +58,7 @@
    <string name="registration_failed">Nie udało się zarejestrować aplikacji na tym serwerze</string>
    <string name="instance_error">Nie udało się pobrać informacji o instancji</string>
    <string name="instance_not_pixelfed_warning">To chyba nie jest instancja Pixelfed. Aplikacja może zachowywać się nieprzewidywalnie.</string>
-    <string name="default_theme">Systemowy</string>
+    <string name="default_system">Systemowy</string>
    <string name="followed_notification">%1$s obserwujących</string>
    <string name="liked_notification">%1$s polubień</string>
    <string name="whats_an_instance">Co to jest instancja\?</string>
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@ -74,7 +74,7 @@
    <string name="permission_denied">Недостаточно прав</string>
    <string name="dark_theme">Тёмная</string>
    <string name="light_theme">Светлая</string>
-    <string name="default_theme">По умолчанию (как в системе)</string>
+    <string name="default_system">По умолчанию (как в системе)</string>
    <string name="follow_status_failed">Не удалось получить статус подписки</string>
    <string name="follow_error">Не удалось подписаться</string>
    <string name="action_not_allowed">Это действие запрещено</string>
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@ -97,7 +97,7 @@
    <string name="permission_denied">Åtkomst nekas</string>
    <string name="dark_theme">Mörkt</string>
    <string name="light_theme">Ljust</string>
-    <string name="default_theme">Standard (Följer systemet)</string>
+    <string name="default_system">Standard (Följer systemet)</string>
    <string name="nothing_to_see_here">Det finns inget här!</string>
    <string name="crop_result_error">Kunde inte hämta bilden efter beskärning</string>
    <string name="busy_dialog_ok_button">OK, vänta på det.</string>
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@ -95,7 +95,7 @@
    <string name="save_image_success">图片成功保存</string>
    <string name="save_image_failed">无法保存图像</string>
    <string name="permission_denied">没有权限</string>
-    <string name="default_theme">默认（跟随系统设置）</string>
+    <string name="default_system">默认（跟随系统设置）</string>
    <string name="light_theme">浅色</string>
    <string name="dark_theme">深色</string>
    <string name="nothing_to_see_here">这里什么也没有！</string>
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@ -6,8 +6,53 @@
    </string-array>

    <string-array name="theme_entries">
-        <item>@string/default_theme</item>
+        <item>@string/default_system</item>
        <item>@string/light_theme</item>
        <item>@string/dark_theme</item>
    </string-array>
+
+
+    <string-array name="languages_entries">
+        <item>@string/default_system</item>
+        <item>العربية</item>
+        <item>বাংলা (বাংলাদেশ)</item>
+        <item>Català</item>
+        <item>Deutsch</item>
+        <item>Esperanto</item>
+        <item>Euskara</item>
+        <item>فارسی</item>
+        <item>Français</item>
+        <item>Gaeilge</item>
+        <item>Italiano</item>
+        <item>日本語</item>
+        <item>Nederlands</item>
+        <item>Polski</item>
+        <item>Português (Brasil)</item>
+        <item>Русский</item>
+        <item>Svenska</item>
+        <item>Українська</item>
+        <item>中文(简体)</item>
+    </string-array>
+
+    <string-array name="languages_values">
+        <item>default</item>
+        <item>ar</item>
+        <item>bn-bd</item>
+        <item>ca</item>
+        <item>de</item>
+        <item>es</item>
+        <item>eu</item>
+        <item>fa</item>
+        <item>fr</item>
+        <item>gl</item>
+        <item>it</item>
+        <item>ja</item>
+        <item>nl</item>
+        <item>pl</item>
+        <item>pt-br</item>
+        <item>ru</item>
+        <item>sv</item>
+        <item>uk</item>
+        <item>zh-CN</item>
+    </string-array>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -16,7 +16,7 @@
    <!-- Theme Preferences -->
    <string name="theme_title">Application Theme</string>
    <string name="theme_header">Theme</string>
-    <string name="default_theme">Default (Follows system)</string>
+    <string name="default_system">Default (Follows system)</string>
    <string name="light_theme">Light</string>
    <string name="dark_theme">Dark</string>
    <string name="followed_notification">%1$s followed you</string>
@ -143,6 +143,7 @@
    <string name="OK">OK</string>
    <string name="delete_dialog">Delete this post?</string>
    <string name="cancel">Cancel</string>
+    <string name="language">Language</string>


 </resources>
--- a/app/src/main/res/xml/root_preferences.xml
+++ b/app/src/main/res/xml/root_preferences.xml
@ -18,4 +18,13 @@
            android:targetPackage="com.h.pixeldroid"
            android:targetClass="com.h.pixeldroid.AboutActivity"/>
    </Preference>
+
+    <ListPreference
+        app:defaultValue="default"
+        app:entries="@array/languages_entries"
+        app:entryValues="@array/languages_values"
+        app:key="language"
+        app:title="@string/language"
+        app:useSimpleSummaryProvider="true"
+        app:icon="@drawable/translate_black_24dp" />
 </PreferenceScreen>