[app] Add language selector (#1087)

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

@@ -26,6 +26,7 @@ import android.content.SharedPreferences;
 import android.os.Build;
 import android.os.Process;
 import android.system.Os;
+import android.text.TextUtils;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
@@ -57,6 +58,7 @@ import okhttp3.Request;
 import okhttp3.Response;
 import okhttp3.logging.HttpLoggingInterceptor;
 import rikka.material.app.DayNightDelegate;
+import rikka.material.app.LocaleDelegate;
 
 public class App extends Application {
 
@@ -130,6 +132,7 @@ public class App extends Application {
         }
         DayNightDelegate.setApplicationContext(this);
         DayNightDelegate.setDefaultNightMode(ThemeUtil.getDarkTheme());
+        LocaleDelegate.setDefaultLocale(getLocale());
 
         loadRemoteVersion();
         RepoLoader.getInstance().loadRemoteData();
@@ -211,4 +214,12 @@ public class App extends Application {
         }
         return buildTime.atOffset(ZoneOffset.UTC).plusDays(30).toInstant().isBefore(now);
     }
+
+    public static Locale getLocale() {
+        String tag = getPreferences().getString("language", null);
+        if (TextUtils.isEmpty(tag) || "SYSTEM".equals(tag)) {
+            return Locale.getDefault();
+        }
+        return Locale.forLanguageTag(tag);
+    }
 }

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

@@ -23,6 +23,7 @@ import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -33,6 +34,7 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
+import androidx.core.text.HtmlCompat;
 import androidx.preference.Preference;
 import androidx.preference.SwitchPreference;
 import androidx.recyclerview.widget.RecyclerView;
@@ -49,10 +51,13 @@ import org.lsposed.manager.util.BackupUtils;
 import org.lsposed.manager.util.theme.ThemeUtil;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.Locale;
 
 import rikka.core.util.ResourceUtils;
 import rikka.material.app.DayNightDelegate;
+import rikka.material.app.LocaleDelegate;
+import rikka.preference.SimpleMenuPreference;
 import rikka.recyclerview.RecyclerViewKt;
 import rikka.widget.borderview.BorderRecyclerView;
 
@@ -230,6 +235,40 @@ public class SettingsFragment extends BaseFragment {
                     return true;
                 });
             }
+
+            SimpleMenuPreference language = findPreference("language");
+            if (language != null) {
+                language.setOnPreferenceChangeListener((preference, newValue) -> {
+                    var locale = "SYSTEM".equals(newValue) ? LocaleDelegate.getSystemLocale() : Locale.forLanguageTag((String) newValue);
+                    LocaleDelegate.setDefaultLocale(locale);
+                    MainActivity activity = (MainActivity) getActivity();
+                    if (activity != null) {
+                        activity.restart();
+                    }
+                    return true;
+                });
+                var tag = language.getValue();
+                var userLocale = App.getLocale();
+                var entries = new ArrayList<CharSequence>();
+                for (int i = 0; i < language.getEntries().length; i++) {
+                    if (i > 0) {
+                        var locale = Locale.forLanguageTag(language.getEntries()[i].toString());
+                        entries.add(HtmlCompat.fromHtml(String.format("%s - %s",
+                                !TextUtils.isEmpty(locale.getScript()) ? locale.getDisplayScript(locale) : locale.getDisplayName(locale),
+                                !TextUtils.isEmpty(locale.getScript()) ? locale.getDisplayScript(userLocale) : locale.getDisplayName(userLocale)
+                        ), HtmlCompat.FROM_HTML_MODE_LEGACY));
+                    } else {
+                        entries.add(language.getEntries()[i]);
+                    }
+                }
+                language.setEntries(entries.toArray(new CharSequence[0]));
+                if (TextUtils.isEmpty(tag) || "SYSTEM".equals(tag)) {
+                    language.setSummary(getString(rikka.material.R.string.follow_system));
+                } else {
+                    var locale = Locale.forLanguageTag(tag);
+                    language.setSummary(!TextUtils.isEmpty(locale.getScript()) ? locale.getDisplayScript(userLocale) : locale.getDisplayName(userLocale));
+                }
+            }
         }
 
         @Override

app/src/main/res/drawable/ic_baseline_translate_24.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
   ~ This file is part of LSPosed.
   ~
@@ -15,17 +14,16 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with LSPosed.  If not, see <https://www.gnu.org/licenses/>.
   ~
-  ~ Copyright (C) 2020 EdXposed Contributors
   ~ Copyright (C) 2021 LSPosed Contributors
   -->
-<resources>
+
-    <!-- MainActivity -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    <!-- LogsActivity -->
+    android:width="24dp"
-    <!-- Notification -->
+    android:height="24dp"
-    <!-- ModulesActivity -->
+    android:viewportWidth="24"
-    <!-- AppListActivity -->
+    android:viewportHeight="24"
-    <!-- ModulesActivity and AppListActivity -->
+    android:tint="?attr/colorControlNormal">
-    <!-- SettingsActivity -->
+  <path
-    <!-- Module Repo -->
+      android:fillColor="@android:color/white"
-    <!-- CrashReportActivity -->
+      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"/>
-</resources>
+</vector>

app/src/main/res/drawable/ic_round_assignment_24.xml

@@ -6,6 +6,6 @@
     android:tint="?attr/colorControlNormal"
     android:autoMirrored="true">
   <path
-      android:fillColor="@android:color/white"
+      android:fillColor="@color/material_blue_500"
       android:pathData="M19,3h-4.18C14.4,1.84 13.3,1 12,1s-2.4,0.84 -2.82,2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM12,3c0.55,0 1,0.45 1,1s-0.45,1 -1,1 -1,-0.45 -1,-1 0.45,-1 1,-1zM13,17L8,17c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1h5c0.55,0 1,0.45 1,1s-0.45,1 -1,1zM16,13L8,13c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1h8c0.55,0 1,0.45 1,1s-0.45,1 -1,1zM16,9L8,9c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1h8c0.55,0 1,0.45 1,1s-0.45,1 -1,1z"/>
 </vector>

app/src/main/res/values-zh-rCN/strings.xml

@@ -30,6 +30,7 @@
     <string name="Logs">日志</string>
     <string name="Settings">设置</string>
     <string name="About">关于</string>
+    <string name="report_issue">报告问题</string>
     <string name="module_repo">仓库</string>
     <string name="module_repo_summary">模块仓库（Beta）</string>
     <string name="about_view_source_code"><![CDATA[在 %1$s 查看源码<br/>加入我们的 %2$s 频道]]></string>
@@ -165,6 +166,7 @@
     <string name="settings_show_hidden_icon_apps_enabled">强制应用在启动器中显示图标</string>
     <string name="settings_show_hidden_icon_apps_enabled_summary">在 Android 10 之后，应用不被允许隐藏启动器图标。关闭本选项可禁用此系统功能。</string>
     <string name="settings_group_system">系统</string>
+    <string name="settings_language">语言</string>
 
     <!-- Module Repo -->
     <string name="module_readme">自述文件</string>

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

@@ -31,4 +31,66 @@
         <item>MODE_NIGHT_YES</item>
         <item>MODE_NIGHT_FOLLOW_SYSTEM</item>
     </string-array>
+
+    <string-array name="language" translatable="false">
+        <item>@string/follow_system</item>
+        <item>af-ZA</item>
+        <item>ar-SA</item>
+        <item>ca-ES</item>
+        <item>cs-CZ</item>
+        <item>da-DK</item>
+        <item>el-GR</item>
+        <item>es-ES</item>
+        <item>fi-FI</item>
+        <item>fr-FR</item>
+        <item>hu-HU</item>
+        <item>it-IT</item>
+        <item>iw-IL</item>
+        <item>ja-JP</item>
+        <item>ko-KR</item>
+        <item>nl-NL</item>
+        <item>no-NO</item>
+        <item>pl-PL</item>
+        <item>pt-BR</item>
+        <item>pt-PT</item>
+        <item>ro-RO</item>
+        <item>ru-RU</item>
+        <item>tr-TR</item>
+        <item>uk-UA</item>
+        <item>vi-VN</item>
+        <item>zh-CN</item>
+        <item>zh-HK</item>
+        <item>zh-TW</item>
+    </string-array>
+
+    <string-array name="language_value" translatable="false">
+        <item>SYSTEM</item>
+        <item>af-ZA</item>
+        <item>ar-SA</item>
+        <item>ca-ES</item>
+        <item>cs-CZ</item>
+        <item>da-DK</item>
+        <item>el-GR</item>
+        <item>es-ES</item>
+        <item>fi-FI</item>
+        <item>fr-FR</item>
+        <item>hu-HU</item>
+        <item>it-IT</item>
+        <item>iw-IL</item>
+        <item>ja-JP</item>
+        <item>ko-KR</item>
+        <item>nl-NL</item>
+        <item>no-NO</item>
+        <item>pl-PL</item>
+        <item>pt-BR</item>
+        <item>pt-PT</item>
+        <item>ro-RO</item>
+        <item>ru-RU</item>
+        <item>tr-TR</item>
+        <item>uk-UA</item>
+        <item>vi-VN</item>
+        <item>zh-CN</item>
+        <item>zh-HK</item>
+        <item>zh-TW</item>
+    </string-array>
 </resources>

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

@@ -165,6 +165,7 @@
     <string name="settings_show_hidden_icon_apps_enabled">Force apps to show launcher icons</string>
     <string name="settings_show_hidden_icon_apps_enabled_summary">After Android 10, apps are not allowed to hide their launcher icons. Turn off the toggle to disable this system feature.</string>
     <string name="settings_group_system">System</string>
+    <string name="settings_language">Language</string>
 
     <!-- Module Repo -->
     <string name="module_readme">Readme</string>

app/src/main/res/xml/prefs.xml

@@ -30,6 +30,18 @@
             android:title="@string/dns_over_http" />
     </com.takisoft.preferencex.PreferenceCategory>
 
+    <com.takisoft.preferencex.PreferenceCategory android:title="@string/settings_language">
+
+        <rikka.preference.SimpleMenuPreference
+            android:defaultValue="SYSTEM"
+            android:entries="@array/language"
+            android:entryValues="@array/language_value"
+            android:icon="@drawable/ic_baseline_translate_24"
+            android:summary="%s"
+            android:key="language"
+            android:title="@string/settings_language" />
+    </com.takisoft.preferencex.PreferenceCategory>
+
     <com.takisoft.preferencex.PreferenceCategory android:title="@string/settings_group_theme">
         <SwitchPreference
             android:defaultValue="true"