Revert A13+ per-app language preferences

See #12093 (comment)

Author: Stypox

app/build.gradle

@@ -97,10 +97,6 @@ android {
         androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
     }
 
-    androidResources {
-        generateLocaleConfig = true
-    }
-
     buildFeatures {
         viewBinding true
         buildConfig true

app/src/main/java/org/schabi/newpipe/settings/ContentSettingsFragment.java

@@ -1,11 +1,7 @@
 package org.schabi.newpipe.settings;
 
 import android.content.Context;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
-import android.provider.Settings;
 import android.util.Log;
 import android.widget.Toast;
 
@@ -23,7 +19,6 @@
 import org.schabi.newpipe.util.image.PreferredImageQuality;
 
 import java.io.IOException;
-import java.util.Locale;
 
 public class ContentSettingsFragment extends BasePreferenceFragment {
     private String youtubeRestrictedModeEnabledKey;
@@ -40,26 +35,6 @@ public void onCreatePreferences(final Bundle savedInstanceState, final String ro
 
     private void setupAppLanguagePreferences() {
         final Preference appLanguagePref = requirePreference(R.string.app_language_key);
-        // Android 13+ allows to set app specific languages
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-            appLanguagePref.setVisible(false);
-
-            final Preference newAppLanguagePref =
-                    requirePreference(R.string.app_language_android_13_and_up_key);
-            newAppLanguagePref.setSummaryProvider(preference -> {
-                final Locale loc = AppCompatDelegate.getApplicationLocales().get(0);
-                return loc != null ? loc.getDisplayName() : getString(R.string.systems_language);
-            });
-            newAppLanguagePref.setOnPreferenceClickListener(preference -> {
-                final Intent intent = new Intent(Settings.ACTION_APP_LOCALE_SETTINGS)
-                        .setData(Uri.fromParts("package", requireContext().getPackageName(), null));
-                startActivity(intent);
-                return true;
-            });
-            newAppLanguagePref.setVisible(true);
-            return;
-        }
-
         appLanguagePref.setOnPreferenceChangeListener((preference, newValue) -> {
             final String language = (String) newValue;
             final String systemLang = getString(R.string.default_localization_key);

app/src/main/java/org/schabi/newpipe/util/Localization.java

@@ -447,11 +447,6 @@ public static void migrateAppLanguageSettingIfNecessary(@NonNull final Context c
         final String appLanguageKey = context.getString(R.string.app_language_key);
         final String appLanguageValue = sp.getString(appLanguageKey, null);
         if (appLanguageValue != null) {
-            // The app language key is used on Android versions < 33
-            // for more info, see ContentSettingsFragment
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-                sp.edit().remove(appLanguageKey).apply();
-            }
             final String appLanguageDefaultValue =
                     context.getString(R.string.default_localization_key);
             if (!appLanguageValue.equals(appLanguageDefaultValue)) {

app/src/main/res/resources.properties

@@ -356,7 +356,6 @@
     <string name="playback_skip_silence_key">playback_skip_silence_key</string>
 
     <string name="app_language_key">app_language_key</string>
-    <string name="app_language_android_13_and_up_key">app_language_android_13_and_up_key</string>
 
     <string name="feed_update_threshold_key">feed_update_threshold_key</string>
     <string name="feed_update_threshold_default_value">300</string>

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

@@ -13,13 +13,6 @@
         app:iconSpaceReserved="false"
         app:useSimpleSummaryProvider="true" />
 
-    <Preference
-        android:key="@string/app_language_android_13_and_up_key"
-        android:title="@string/app_language_title"
-        app:isPreferenceVisible="false"
-        app:singleLineTitle="false"
-        app:iconSpaceReserved="false" />
-
     <ListPreference
         android:defaultValue="@string/default_localization_key"
         android:entries="@array/language_names"