Fix language switch (#1741)

app/build.gradle.kts

@@ -18,15 +18,13 @@
  */
 
 import com.android.build.gradle.internal.dsl.BuildType
-import java.io.PrintStream
 import java.nio.file.Paths
 import java.time.Instant
-import java.util.*
 
 plugins {
-    id("org.gradle.idea")
     id("com.android.application")
     id("androidx.navigation.safeargs")
+    id("dev.rikka.tools.autoresconfig")
 }
 
 val androidTargetSdkVersion: Int by rootProject.extra
@@ -123,6 +121,13 @@ android {
     }
 }
 
+autoResConfig {
+    generateClass.set(true)
+    generateRes.set(false)
+    generatedClassFullName.set("org.lsposed.manager.util.LangList")
+    generatedArrayFirstItem.set("SYSTEM")
+}
+
 val optimizeReleaseRes = task("optimizeReleaseRes").doLast {
     val aapt2 = File(
         androidComponents.sdkComponents.sdkDirectory.get().asFile,
@@ -158,38 +163,6 @@ tasks.whenTaskAdded {
     }
 }
 
-afterEvaluate {
-    android.applicationVariants.forEach { variant ->
-        val outSrcDir = file("$buildDir/generated/source/langList/${variant.name}")
-        val outSrc = file("$outSrcDir/org/lsposed/manager/util/LangList.java")
-        val genLangList =
-            tasks.register("generate${variant.name.capitalize(Locale.ROOT)}LangList") {
-                inputs.files("src/main/res")
-                outputs.file(outSrc)
-                doLast {
-                    val langList = File(projectDir, "src/main/res").listFiles { dir ->
-                        dir.name.startsWith("values-") && File(dir, "strings.xml").exists()
-                    }.orEmpty().sorted().map {
-                        it.name.substring(7).split("-", limit = 2)
-                    }.map {
-                        if (it.size == 1) Locale(it[0])
-                        else Locale(it[0], it[1].substring(1))
-                    }.map { it.toLanguageTag() }
-                    PrintStream(outSrc).print(
-                        """
-                        |package org.lsposed.manager.util;
-                        |public final class LangList {
-                        |    public static final String[] LANG_LIST = {"SYSTEM", ${
-                            langList.joinToString(", ") { """"$it"""" }
-                        }};
-                        |}""".trimMargin()
-                    )
-                }
-            }
-        variant.registerJavaGeneratingTask(genLangList, outSrcDir)
-    }
-}
-
 dependencies {
     val glideVersion = "4.13.1"
     val navVersion: String by rootProject.extra

app/src/main/java/org/lsposed/manager/App.java

@@ -193,17 +193,6 @@ public class App extends Application {
         });
     }
 
-    @SuppressWarnings("deprecation")
-    @Override
-    public void onConfigurationChanged(@NonNull Configuration newConfig) {
-        if (getResources().getConfiguration().diff(newConfig) != 0) {
-            LocaleDelegate.setDefaultLocale(getLocale());
-            newConfig.setLocale(getLocale());
-            getResources().updateConfiguration(newConfig, getResources().getDisplayMetrics());
-        }
-        super.onConfigurationChanged(newConfig);
-    }
-
     @Override
     public void onCreate() {
         super.onCreate();
@@ -221,7 +210,12 @@ public class App extends Application {
         }
         DayNightDelegate.setApplicationContext(this);
         DayNightDelegate.setDefaultNightMode(ThemeUtil.getDarkTheme());
-        onConfigurationChanged(getResources().getConfiguration());
+        LocaleDelegate.setDefaultLocale(getLocale());
+        var res = getResources();
+        var config = res.getConfiguration();
+        config.setLocale(LocaleDelegate.getDefaultLocale());
+        //noinspection deprecation
+        res.updateConfiguration(config, res.getDisplayMetrics());
 
         IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction("org.lsposed.manager.NOTIFICATION");
@@ -288,11 +282,15 @@ public class App extends Application {
         return okHttpCache;
     }
 
-    public static Locale getLocale() {
+    public static Locale getLocale(String tag) {
-        String tag = getPreferences().getString("language", null);
         if (TextUtils.isEmpty(tag) || "SYSTEM".equals(tag)) {
-            return Locale.getDefault();
+            return LocaleDelegate.getSystemLocale();
         }
         return Locale.forLanguageTag(tag);
     }
+
+    public static Locale getLocale() {
+        String tag = getPreferences().getString("language", null);
+        return getLocale(tag);
+    }
 }

app/src/main/java/org/lsposed/manager/ui/fragment/SettingsFragment.java

@@ -239,6 +239,16 @@ public class SettingsFragment extends BaseFragment {
             }
 
             Preference primary_color = findPreference("theme_color");
+            if (primary_color != null) {
+                primary_color.setOnPreferenceChangeListener((preference, newValue) -> {
+                    MainActivity activity = (MainActivity) getActivity();
+                    if (activity != null) {
+                        activity.restart();
+                    }
+                    return true;
+                });
+            }
+
             SwitchPreference prefShowHiddenIcons = findPreference("show_hidden_icon_apps_enabled");
             if (prefShowHiddenIcons != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                 if (ConfigManager.isBinderAlive()) {
@@ -270,7 +280,7 @@ public class SettingsFragment extends BaseFragment {
                 var tag = language.getValue();
                 var userLocale = App.getLocale();
                 var entries = new ArrayList<CharSequence>();
-                var lstLang = LangList.LANG_LIST;
+                var lstLang = LangList.LOCALES;
                 for (var lang : lstLang) {
                     if (lang.equals(SYSTEM)) {
                         entries.add(getString(rikka.core.R.string.follow_system));
@@ -287,6 +297,21 @@ public class SettingsFragment extends BaseFragment {
                     var locale = Locale.forLanguageTag(tag);
                     language.setSummary(!TextUtils.isEmpty(locale.getScript()) ? locale.getDisplayScript(userLocale) : locale.getDisplayName(userLocale));
                 }
+                language.setOnPreferenceChangeListener((preference, newValue) -> {
+                    var app = App.getInstance();
+                    var locale = App.getLocale((String)newValue);
+                    var res = app.getResources();
+                    var config = res.getConfiguration();
+                    config.setLocale(locale);
+                    LocaleDelegate.setDefaultLocale(locale);
+                    //noinspection deprecation
+                    res.updateConfiguration(config, res.getDisplayMetrics());
+                    MainActivity activity = (MainActivity) getActivity();
+                    if (activity != null) {
+                        activity.restart();
+                    }
+                    return true;
+                });
             }
 
             Preference translation = findPreference("translation");
@@ -307,24 +332,6 @@ public class SettingsFragment extends BaseFragment {
                     translation_contributors.setSummary(translators);
                 }
             }
-
-            App.getPreferences().registerOnSharedPreferenceChangeListener((sharedPreferences, key) -> {
-                var newValue = sharedPreferences.getAll().getOrDefault(key, null);
-                if (newValue == null) return;
-                switch (key) {
-                    case "language":
-                        var app = App.getInstance();
-                        var config = app.getResources().getConfiguration();
-                        app.onConfigurationChanged(config);
-                    case "theme_color":
-                    case "follow_system_accent":
-                        MainActivity activity = (MainActivity) getActivity();
-                        if (activity != null) {
-                            activity.restart();
-                        }
-                        break;
-                }
-            });
         }
 
         @NonNull

build.gradle.kts

@@ -28,6 +28,7 @@ buildscript {
     val agpVersion by extra("7.1.2")
     dependencies {
         classpath("com.android.tools.build:gradle:$agpVersion")
+        classpath("dev.rikka.tools.autoresconfig:gradle-plugin:1.0.0")
         classpath("org.eclipse.jgit:org.eclipse.jgit:6.0.0.202111291000-r")
         classpath("androidx.navigation:navigation-safe-args-gradle-plugin:$navVersion")
     }