| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.applications; |
| |
| import android.annotation.NonNull; |
| import android.app.ActivityManager; |
| import android.app.LocaleConfig; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.LocaleList; |
| import android.util.FeatureFlagUtils; |
| import android.util.Log; |
| |
| import com.android.settings.R; |
| |
| import java.util.List; |
| |
| /** This class provides methods that help dealing with per app locale. */ |
| public class AppLocaleUtil { |
| private static final String TAG = AppLocaleUtil.class.getSimpleName(); |
| |
| public static final Intent LAUNCHER_ENTRY_INTENT = |
| new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_LAUNCHER); |
| |
| /** |
| * Decides the UI display of per app locale. |
| */ |
| public static boolean canDisplayLocaleUi( |
| @NonNull Context context, |
| @NonNull String packageName, |
| @NonNull List<ResolveInfo> infos) { |
| boolean isDisallowedPackage = isDisallowedPackage(context, packageName); |
| boolean hasLauncherEntry = hasLauncherEntry(packageName, infos); |
| boolean isSignedWithPlatformKey = isSignedWithPlatformKey(context, packageName); |
| boolean canDisplay = !isDisallowedPackage |
| && !isSignedWithPlatformKey |
| && hasLauncherEntry |
| && isAppLocaleSupported(context, packageName); |
| |
| Log.i(TAG, "Can display preference - [" + packageName + "] :" |
| + " isDisallowedPackage : " + isDisallowedPackage |
| + " / isSignedWithPlatformKey : " + isSignedWithPlatformKey |
| + " / hasLauncherEntry : " + hasLauncherEntry |
| + " / canDisplay : " + canDisplay); |
| return canDisplay; |
| } |
| |
| private static boolean isDisallowedPackage(Context context, String packageName) { |
| final String[] disallowedPackages = context.getResources().getStringArray( |
| R.array.config_disallowed_app_localeChange_packages); |
| for (String disallowedPackage : disallowedPackages) { |
| if (packageName.equals(disallowedPackage)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static boolean isSignedWithPlatformKey(Context context, String packageName) { |
| PackageInfo packageInfo = null; |
| PackageManager packageManager = context.getPackageManager(); |
| ActivityManager activityManager = context.getSystemService(ActivityManager.class); |
| try { |
| packageInfo = packageManager.getPackageInfoAsUser( |
| packageName, /* flags= */ 0, |
| activityManager.getCurrentUser()); |
| } catch (PackageManager.NameNotFoundException ex) { |
| Log.e(TAG, "package not found: " + packageName); |
| } |
| if (packageInfo == null) { |
| return false; |
| } |
| return packageInfo.applicationInfo.isSignedWithPlatformKey(); |
| } |
| |
| private static boolean hasLauncherEntry(String packageName, List<ResolveInfo> infos) { |
| return infos.stream() |
| .anyMatch(info -> info.activityInfo.packageName.equals(packageName)); |
| } |
| |
| /** |
| * Check the function of per app language is supported by current application. |
| */ |
| public static boolean isAppLocaleSupported(Context context, String packageName) { |
| LocaleList localeList = getPackageLocales(context, packageName); |
| if (localeList != null) { |
| return localeList.size() > 0; |
| } |
| |
| if (FeatureFlagUtils.isEnabled( |
| context, FeatureFlagUtils.SETTINGS_APP_LOCALE_OPT_IN_ENABLED)) { |
| return false; |
| } |
| |
| return getAssetLocales(context, packageName).length > 0; |
| } |
| |
| /** |
| * Get locales fron AssetManager. |
| */ |
| public static String[] getAssetLocales(Context context, String packageName) { |
| try { |
| PackageManager packageManager = context.getPackageManager(); |
| String[] locales = packageManager.getResourcesForApplication( |
| packageManager.getPackageInfo(packageName, PackageManager.MATCH_ALL) |
| .applicationInfo).getAssets().getNonSystemLocales(); |
| if (locales == null) { |
| Log.i(TAG, "[" + packageName + "] locales are null."); |
| } |
| if (locales.length <= 0) { |
| Log.i(TAG, "[" + packageName + "] locales length is 0."); |
| return new String[0]; |
| } |
| String locale = locales[0]; |
| Log.i(TAG, "First asset locale - [" + packageName + "] " + locale); |
| return locales; |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Can not found the package name : " + packageName + " / " + e); |
| } |
| return new String[0]; |
| } |
| |
| /** |
| * Get locales from LocaleConfig. |
| */ |
| public static LocaleList getPackageLocales(Context context, String packageName) { |
| try { |
| LocaleConfig localeConfig = |
| new LocaleConfig(context.createPackageContext(packageName, 0)); |
| if (localeConfig.getStatus() == LocaleConfig.STATUS_SUCCESS) { |
| return localeConfig.getSupportedLocales(); |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Can not found the package name : " + packageName + " / " + e); |
| } |
| return null; |
| } |
| } |