Create a new region picker page
1. The region which is selected in region picker will also apply to the first locale. 2. When a user change the first locale, the region of the first locale will be updated to the region picker. Bug: 385047778 Flag: com.android.settings.flags.regional_preferences_api_enabled Test: check hsv Change-Id: I001e0910ce9d1601513ed2f52e6ee30d3551859f
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danielwbhuang
@@ -0,0 +1,183 @@
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/*
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* Copyright (C) 2024 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.content.Context;
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import android.os.LocaleList;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.preference.PreferenceCategory;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.annotations.Initializer;
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import com.android.internal.app.LocaleCollectorBase;
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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.internal.app.LocaleStore;
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import com.android.internal.app.LocaleStore.LocaleInfo;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.widget.SelectorWithWidgetPreference;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import java.util.stream.Collectors;
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public abstract class RegionPickerBaseListPreferenceController extends BasePreferenceController {
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private static final String TAG = "RegionPickerBaseListPreferenceController";
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private static final String KEY_SUGGESTED = "suggested";
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private PreferenceCategory mPreferenceCategory;
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private Set<LocaleInfo> mLocaleList;
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private ArrayList<LocaleInfo> mLocaleOptions;
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public RegionPickerBaseListPreferenceController(@NonNull Context context,
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@NonNull String preferenceKey) {
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super(context, preferenceKey);
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mLocaleList = getLocaleCollectorController(context).getSupportedLocaleList(null,
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false, false);
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mLocaleOptions = new ArrayList<>();
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mLocaleOptions.ensureCapacity(mLocaleList.size());
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}
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@Override
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@Initializer
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public void displayPreference(@NonNull PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreferenceCategory = screen.findPreference(getPreferenceCategoryKey());
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updatePreferences();
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}
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private void updatePreferences() {
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if (mPreferenceCategory == null) {
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Log.d(TAG, "updatePreferences, mPreferenceCategory is null");
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return;
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}
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List<LocaleStore.LocaleInfo> result;
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LocaleStore.LocaleInfo parentLocale = getParentLocale();
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if (parentLocale != null) {
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mLocaleList = getLocaleCollectorController(mContext).getSupportedLocaleList(
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parentLocale, false, true);
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}
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mLocaleOptions.clear();
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mLocaleOptions.ensureCapacity(mLocaleList.size());
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result = getPreferenceCategoryKey().contains(KEY_SUGGESTED)
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? getSuggestedLocaleList()
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: getSupportedLocaleList();
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if (getPreferenceCategoryKey().contains(KEY_SUGGESTED)) {
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Locale systemLocale = Locale.getDefault();
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LocaleStore.LocaleInfo localeInfo = LocaleStore.getLocaleInfo(systemLocale);
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result.add(localeInfo);
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}
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result = getSortedLocaleList(result);
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setupPreference(result);
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}
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private void setupPreference(List<LocaleStore.LocaleInfo> localeInfoList) {
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localeInfoList.stream().forEach(locale -> {
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SelectorWithWidgetPreference pref = new SelectorWithWidgetPreference(mContext);
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mPreferenceCategory.addPreference(pref);
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pref.setTitle(locale.getFullCountryNameNative());
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pref.setKey(locale.toString());
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if (locale.getLocale().equals(Locale.getDefault())) {
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pref.setChecked(true);
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} else {
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pref.setChecked(false);
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}
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pref.setOnClickListener(v -> {
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switchRegion(locale);
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});
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});
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mPreferenceCategory.setVisible(mPreferenceCategory.getPreferenceCount() > 0);
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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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protected abstract String getPreferenceCategoryKey();
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protected abstract LocaleCollectorBase getLocaleCollectorController(Context context);
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@Nullable protected abstract LocaleStore.LocaleInfo getParentLocale();
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protected List<LocaleStore.LocaleInfo> getSuggestedLocaleList() {
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if (mLocaleList != null && !mLocaleList.isEmpty()) {
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mLocaleOptions.addAll(mLocaleList.stream()
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.filter(localeInfo -> localeInfo.isSuggested())
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.collect(Collectors.toList()));
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} else {
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Log.d(TAG, "Can not get suggested locales because the locale list is null or empty.");
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}
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return mLocaleOptions;
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}
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protected List<LocaleStore.LocaleInfo> getSupportedLocaleList() {
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if (mLocaleList != null && !mLocaleList.isEmpty()) {
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mLocaleOptions.addAll(mLocaleList.stream()
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.filter(localeInfo -> !localeInfo.isSuggested())
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.collect(Collectors.toList()));
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} else {
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Log.d(TAG, "Can not get supported locales because the locale list is null or empty.");
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}
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return mLocaleOptions;
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}
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private List<LocaleStore.LocaleInfo> getSortedLocaleList(
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List<LocaleStore.LocaleInfo> localeInfos) {
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final Locale sortingLocale = Locale.getDefault();
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final LocaleHelper.LocaleInfoComparator comp =
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new LocaleHelper.LocaleInfoComparator(sortingLocale, true);
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Collections.sort(localeInfos, comp);
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return localeInfos;
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}
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private void switchRegion(LocaleStore.LocaleInfo localeInfo) {
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if (localeInfo.getLocale().equals(Locale.getDefault())) {
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return;
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}
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updateRegion(localeInfo.getLocale().toLanguageTag());
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updatePreferences();
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}
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private void updateRegion(String selectedLanguageTag) {
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LocaleList localeList = LocaleList.getDefault();
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Locale systemLocale = Locale.getDefault();
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Set<Character> extensionKeys = systemLocale.getExtensionKeys();
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Locale selectedLocale = Locale.forLanguageTag(selectedLanguageTag);
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Locale.Builder builder = new Locale.Builder();
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builder.setLocale(selectedLocale);
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if (!extensionKeys.isEmpty()) {
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for (Character extKey : extensionKeys) {
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builder.setExtension(extKey, systemLocale.getExtension(extKey));
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}
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}
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Locale newLocale = builder.build();
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Locale[] resultLocales = new Locale[localeList.size()];
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resultLocales[0] = newLocale;
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for (int i = 1; i < localeList.size(); i++) {
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resultLocales[i] = localeList.get(i);
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}
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LocalePicker.updateLocales(new LocaleList(resultLocales));
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}
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}
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