[Regional preferences] Add numbering system page.
- Add language selection page - Add number format page - Refactor some part for readability. Bug: b/247073388 Bug: b/246929960 Test: atest pass Change-Id: I617698a3146b6e461467a97de8c08f4c4dc6e7f2
This commit is contained in:
tom hsu
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.regionalpreferences;
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import android.app.settings.SettingsEnums;
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import android.content.Context;
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import android.icu.text.NumberingSystem;
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import android.icu.util.ULocale;
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import android.os.Bundle;
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import android.os.LocaleList;
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import android.text.TextUtils;
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import android.util.Log;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.app.LocaleHelper;
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import com.android.internal.app.LocalePicker;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.core.SubSettingLauncher;
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import com.android.settings.dashboard.DashboardFragment;
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import java.util.Locale;
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/** Uses to control the preference UI of numbering system page. */
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public class NumberingSystemItemController extends BasePreferenceController {
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private static final String TAG = NumberingSystemItemController.class.getSimpleName();
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static final String ARG_VALUE_NUMBERING_SYSTEM_SELECT = "arg_value_numbering_system_select";
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static final String ARG_VALUE_LANGUAGE_SELECT = "arg_value_language_select";
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static final String KEY_SELECTED_LANGUAGE = "key_selected_language";
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private static final String DISPLAY_KEYWORD_NUMBERING_SYSTEM = "numbers";
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private String mOption = "";
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private String mSelectedLanguage = "";
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private DashboardFragment mParentFragment;
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private PreferenceScreen mPreferenceScreen;
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public NumberingSystemItemController(Context context, Bundle argument) {
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super(context, "no_key");
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mOption = argument.getString(
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RegionalPreferencesEntriesFragment.ARG_KEY_REGIONAL_PREFERENCE, "");
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mSelectedLanguage = argument.getString(
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NumberingSystemItemController.KEY_SELECTED_LANGUAGE, "");
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}
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/**
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* Displays preference in this controller.
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*/
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreferenceScreen = screen;
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if (mOption.equals(ARG_VALUE_LANGUAGE_SELECT)) {
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initLanguageOptionsUi(screen);
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} else if (mOption.equals(ARG_VALUE_NUMBERING_SYSTEM_SELECT)) {
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initNumberingSystemOptionsUi(screen, Locale.forLanguageTag(mSelectedLanguage));
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}
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}
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/**
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* Sets the parent fragment and attaches this controller to the settings lifecycle.
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*
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* @param fragment the fragment to use as the parent
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*/
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public void setParentFragment(DashboardFragment fragment) {
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mParentFragment = fragment;
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}
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/**
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* @return {@link AvailabilityStatus} for the Setting. This status is used to determine if the
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* Setting should be shown or disabled in Settings. Further, it can be used to produce
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* appropriate error / warning Slice in the case of unavailability.
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* </p>
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* The status is used for the convenience methods: {@link #isAvailable()}, {@link
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* #isSupported()}
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* </p>
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* The inherited class doesn't need to check work profile if android:forWork="true" is set in
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* preference xml.
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*/
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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if (mOption.equals(ARG_VALUE_LANGUAGE_SELECT)) {
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handleLanguageSelect(preference);
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} else if (mOption.equals(ARG_VALUE_NUMBERING_SYSTEM_SELECT)) {
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handleNumberSystemSelect(preference);
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}
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return true;
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}
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private void initLanguageOptionsUi(PreferenceScreen screen) {
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// Get current system language list to show on screen.
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LocaleList localeList = LocaleList.getDefault();
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for (int i = 0; i < localeList.size(); i++) {
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Preference pref = new Preference(mContext);
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Locale locale = localeList.get(i);
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pref.setTitle(LocaleHelper.getDisplayName(locale.stripExtensions(), locale, true));
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pref.setKey(locale.toLanguageTag());
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pref.setSummary(getNumberingSystem(locale));
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screen.addPreference(pref);
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}
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}
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private void initNumberingSystemOptionsUi(PreferenceScreen screen, Locale targetLocale) {
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String[] locales = LocalePicker.getSupportedLocales(mContext);
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for (String localeTag : locales) {
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Locale supportedLocale = Locale.forLanguageTag(localeTag);
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if (isSameBaseLocale(targetLocale, supportedLocale)) {
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TickButtonPreference pref = new TickButtonPreference(mContext);
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String numberingName = getNumberingSystem(supportedLocale);
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pref.setTitle(numberingName);
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String key = supportedLocale.getUnicodeLocaleType(
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ExtensionTypes.NUMBERING_SYSTEM);
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pref.setKey(key == null ? RegionalPreferencesDataUtils.DEFAULT_VALUE : key);
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pref.setTickEnable(isSameNumberingSystem(targetLocale, supportedLocale));
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screen.addPreference(pref);
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}
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}
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}
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private void handleLanguageSelect(Preference preference) {
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final Bundle extra = new Bundle();
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extra.putString(RegionalPreferencesEntriesFragment.ARG_KEY_REGIONAL_PREFERENCE,
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ARG_VALUE_NUMBERING_SYSTEM_SELECT);
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extra.putString(KEY_SELECTED_LANGUAGE, preference.getKey());
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new SubSettingLauncher(preference.getContext())
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.setDestination(NumberingPreferencesFragment.class.getName())
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.setSourceMetricsCategory(
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SettingsEnums.NUMBERING_SYSTEM_LANGUAGE_SELECTION_PREFERENCE)
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.setArguments(extra)
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.launch();
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}
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private void handleNumberSystemSelect(Preference preference) {
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for (int i = 0; i < mPreferenceScreen.getPreferenceCount(); i++) {
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TickButtonPreference pref = (TickButtonPreference) mPreferenceScreen.getPreference(i);
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Log.i(TAG, "[onPreferenceClick] key is " + pref.getKey());
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if (pref.getKey().equals(preference.getKey())) {
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pref.setTickEnable(true);
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Locale updatedLocale =
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saveNumberingSystemToLocale(
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Locale.forLanguageTag(mSelectedLanguage), pref.getKey());
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// After updated locale to framework, this fragment will recreate,
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// so it need to update the argement of selected language.
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Bundle bundle = new Bundle();
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bundle.putString(RegionalPreferencesEntriesFragment.ARG_KEY_REGIONAL_PREFERENCE,
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ARG_VALUE_NUMBERING_SYSTEM_SELECT);
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bundle.putString(KEY_SELECTED_LANGUAGE, updatedLocale.toLanguageTag());
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mParentFragment.setArguments(bundle);
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continue;
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}
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pref.setTickEnable(false);
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}
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}
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private Locale saveNumberingSystemToLocale(Locale targetLocale, String value) {
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LocaleList localeList = LocalePicker.getLocales();
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Locale[] locales = new Locale[localeList.size()];
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for (int i = 0; i < localeList.size(); i++) {
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Locale locale = localeList.get(i);
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if (targetLocale.equals(locale)) {
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if (value.equals(RegionalPreferencesDataUtils.DEFAULT_VALUE)) {
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value = null;
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}
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Locale updatedLocale = new Locale.Builder()
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.setLocale(locale)
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.setUnicodeLocaleKeyword(ExtensionTypes.NUMBERING_SYSTEM, value)
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.build();
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locales[i] = updatedLocale;
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continue;
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}
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locales[i] = localeList.get(i);
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}
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LocalePicker.updateLocales(new LocaleList(locales));
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return targetLocale;
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}
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private static String getNumberingSystem(Locale locale) {
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ULocale uLocale = new ULocale.Builder()
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.setUnicodeLocaleKeyword(ExtensionTypes.NUMBERING_SYSTEM,
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NumberingSystem.getInstance(locale).getName())
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.build();
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return uLocale.getDisplayKeywordValue(DISPLAY_KEYWORD_NUMBERING_SYSTEM,
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ULocale.forLocale(locale));
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}
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private static boolean isSameNumberingSystem(Locale locale1, Locale locale2) {
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String name1 = NumberingSystem.getInstance(locale1).getName();
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String name2 = NumberingSystem.getInstance(locale2).getName();
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return TextUtils.equals(name1, name2);
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}
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private static boolean isSameBaseLocale(Locale locale1, Locale locale2) {
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return locale1.stripExtensions().equals(locale2.stripExtensions());
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}
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}
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