diff --git a/res/values/strings.xml b/res/values/strings.xml
index 54b6fbc0da2..79db5c87410 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -381,6 +381,18 @@
Next
+
+
+ Region
+
+ Choose a region
+
+ The region you choose affects how your device displays time, dates, temperature, and more.
+
+ Suggested
+
+ All regions
+
Languages
diff --git a/res/xml/language_and_region_settings.xml b/res/xml/language_and_region_settings.xml
index 5626f2206e8..d631748fab8 100644
--- a/res/xml/language_and_region_settings.xml
+++ b/res/xml/language_and_region_settings.xml
@@ -51,6 +51,13 @@
android:title="@string/regional_preferences_category_title"
settings:controller="com.android.settings.regionalpreferences.RegionalPreferencesCategoryController">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/com/android/settings/regionalpreferences/RegionPickerBaseListPreferenceController.java b/src/com/android/settings/regionalpreferences/RegionPickerBaseListPreferenceController.java
new file mode 100644
index 00000000000..6c2c8b63331
--- /dev/null
+++ b/src/com/android/settings/regionalpreferences/RegionPickerBaseListPreferenceController.java
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2024 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.regionalpreferences;
+
+import android.content.Context;
+import android.os.LocaleList;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.annotations.Initializer;
+import com.android.internal.app.LocaleCollectorBase;
+import com.android.internal.app.LocaleHelper;
+import com.android.internal.app.LocalePicker;
+import com.android.internal.app.LocaleStore;
+import com.android.internal.app.LocaleStore.LocaleInfo;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.widget.SelectorWithWidgetPreference;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public abstract class RegionPickerBaseListPreferenceController extends BasePreferenceController {
+
+ private static final String TAG = "RegionPickerBaseListPreferenceController";
+ private static final String KEY_SUGGESTED = "suggested";
+ private PreferenceCategory mPreferenceCategory;
+ private Set mLocaleList;
+ private ArrayList mLocaleOptions;
+
+ public RegionPickerBaseListPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey) {
+ super(context, preferenceKey);
+ mLocaleList = getLocaleCollectorController(context).getSupportedLocaleList(null,
+ false, false);
+ mLocaleOptions = new ArrayList<>();
+ mLocaleOptions.ensureCapacity(mLocaleList.size());
+ }
+
+ @Override
+ @Initializer
+ public void displayPreference(@NonNull PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mPreferenceCategory = screen.findPreference(getPreferenceCategoryKey());
+ updatePreferences();
+ }
+
+ private void updatePreferences() {
+ if (mPreferenceCategory == null) {
+ Log.d(TAG, "updatePreferences, mPreferenceCategory is null");
+ return;
+ }
+ List result;
+ LocaleStore.LocaleInfo parentLocale = getParentLocale();
+ if (parentLocale != null) {
+ mLocaleList = getLocaleCollectorController(mContext).getSupportedLocaleList(
+ parentLocale, false, true);
+ }
+ mLocaleOptions.clear();
+ mLocaleOptions.ensureCapacity(mLocaleList.size());
+ result = getPreferenceCategoryKey().contains(KEY_SUGGESTED)
+ ? getSuggestedLocaleList()
+ : getSupportedLocaleList();
+ if (getPreferenceCategoryKey().contains(KEY_SUGGESTED)) {
+ Locale systemLocale = Locale.getDefault();
+ LocaleStore.LocaleInfo localeInfo = LocaleStore.getLocaleInfo(systemLocale);
+ result.add(localeInfo);
+ }
+ result = getSortedLocaleList(result);
+ setupPreference(result);
+ }
+
+ private void setupPreference(List localeInfoList) {
+ localeInfoList.stream().forEach(locale -> {
+ SelectorWithWidgetPreference pref = new SelectorWithWidgetPreference(mContext);
+ mPreferenceCategory.addPreference(pref);
+ pref.setTitle(locale.getFullCountryNameNative());
+ pref.setKey(locale.toString());
+ if (locale.getLocale().equals(Locale.getDefault())) {
+ pref.setChecked(true);
+ } else {
+ pref.setChecked(false);
+ }
+ pref.setOnClickListener(v -> {
+ switchRegion(locale);
+ });
+ });
+ mPreferenceCategory.setVisible(mPreferenceCategory.getPreferenceCount() > 0);
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ return AVAILABLE;
+ }
+
+ protected abstract String getPreferenceCategoryKey();
+
+ protected abstract LocaleCollectorBase getLocaleCollectorController(Context context);
+
+ @Nullable protected abstract LocaleStore.LocaleInfo getParentLocale();
+
+ protected List getSuggestedLocaleList() {
+ if (mLocaleList != null && !mLocaleList.isEmpty()) {
+ mLocaleOptions.addAll(mLocaleList.stream()
+ .filter(localeInfo -> localeInfo.isSuggested())
+ .collect(Collectors.toList()));
+ } else {
+ Log.d(TAG, "Can not get suggested locales because the locale list is null or empty.");
+ }
+
+ return mLocaleOptions;
+ }
+
+ protected List getSupportedLocaleList() {
+ if (mLocaleList != null && !mLocaleList.isEmpty()) {
+ mLocaleOptions.addAll(mLocaleList.stream()
+ .filter(localeInfo -> !localeInfo.isSuggested())
+ .collect(Collectors.toList()));
+ } else {
+ Log.d(TAG, "Can not get supported locales because the locale list is null or empty.");
+ }
+ return mLocaleOptions;
+ }
+
+ private List getSortedLocaleList(
+ List localeInfos) {
+ final Locale sortingLocale = Locale.getDefault();
+ final LocaleHelper.LocaleInfoComparator comp =
+ new LocaleHelper.LocaleInfoComparator(sortingLocale, true);
+ Collections.sort(localeInfos, comp);
+ return localeInfos;
+ }
+
+ private void switchRegion(LocaleStore.LocaleInfo localeInfo) {
+ if (localeInfo.getLocale().equals(Locale.getDefault())) {
+ return;
+ }
+ updateRegion(localeInfo.getLocale().toLanguageTag());
+ updatePreferences();
+ }
+
+ private void updateRegion(String selectedLanguageTag) {
+ LocaleList localeList = LocaleList.getDefault();
+ Locale systemLocale = Locale.getDefault();
+ Set extensionKeys = systemLocale.getExtensionKeys();
+ Locale selectedLocale = Locale.forLanguageTag(selectedLanguageTag);
+ Locale.Builder builder = new Locale.Builder();
+ builder.setLocale(selectedLocale);
+ if (!extensionKeys.isEmpty()) {
+ for (Character extKey : extensionKeys) {
+ builder.setExtension(extKey, systemLocale.getExtension(extKey));
+ }
+ }
+ Locale newLocale = builder.build();
+ Locale[] resultLocales = new Locale[localeList.size()];
+ resultLocales[0] = newLocale;
+ for (int i = 1; i < localeList.size(); i++) {
+ resultLocales[i] = localeList.get(i);
+ }
+ LocalePicker.updateLocales(new LocaleList(resultLocales));
+ }
+}
diff --git a/src/com/android/settings/regionalpreferences/RegionPickerFragment.java b/src/com/android/settings/regionalpreferences/RegionPickerFragment.java
new file mode 100644
index 00000000000..b675d2a2551
--- /dev/null
+++ b/src/com/android/settings/regionalpreferences/RegionPickerFragment.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2024 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.regionalpreferences;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+
+import com.android.internal.app.LocaleStore;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.flags.Flags;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+public class RegionPickerFragment extends DashboardFragment{
+
+ private static final String TAG = "RegionPickerFragment";
+ private static final String KEY_PREFERENCE_SYSTEM_REGION_LIST = "system_region_list";
+ private static final String KEY_PREFERENCE_SYSTEM_REGION_SUGGESTED_LIST =
+ "system_region_suggested_list";
+
+ @Override
+ public void onCreate(@NonNull Bundle icicle) {
+ super.onCreate(icicle);
+ }
+
+ @Override
+ protected int getPreferenceScreenResId() {
+ return R.xml.system_region_picker;
+ }
+
+ @Override
+ protected String getLogTag() {
+ return TAG;
+ }
+
+ @Override
+ public int getMetricsCategory() {
+ return 0;
+ }
+
+ @Override
+ protected List createPreferenceControllers(Context context) {
+ return buildPreferenceControllers(context);
+ }
+
+ private List buildPreferenceControllers(
+ @NonNull Context context) {
+ Locale parentLocale = LocaleStore.getLocaleInfo(Locale.getDefault()).getParent();
+ LocaleStore.LocaleInfo parentLocaleInfo = LocaleStore.getLocaleInfo(parentLocale);
+ SystemRegionSuggestedListPreferenceController mSuggestedListPreferenceController =
+ new SystemRegionSuggestedListPreferenceController(
+ context, KEY_PREFERENCE_SYSTEM_REGION_SUGGESTED_LIST, parentLocaleInfo);
+ SystemRegionAllListPreferenceController mSystemRegionAllListPreferenceController =
+ new SystemRegionAllListPreferenceController(
+ context, KEY_PREFERENCE_SYSTEM_REGION_LIST, parentLocaleInfo);
+ final List controllers = new ArrayList<>();
+ controllers.add(mSuggestedListPreferenceController);
+ controllers.add(mSystemRegionAllListPreferenceController);
+ return controllers;
+ }
+
+ public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+ new BaseSearchIndexProvider(R.xml.system_region_picker) {
+ @Override
+ protected boolean isPageSearchEnabled(Context context) {
+ if (!Flags.regionalPreferencesApiEnabled()) {
+ return false;
+ }
+ return true;
+ }
+ };
+}
diff --git a/src/com/android/settings/regionalpreferences/RegionPreferenceController.java b/src/com/android/settings/regionalpreferences/RegionPreferenceController.java
new file mode 100644
index 00000000000..a9d87f0f181
--- /dev/null
+++ b/src/com/android/settings/regionalpreferences/RegionPreferenceController.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2024 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.regionalpreferences;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.app.LocaleStore;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.flags.Flags;
+
+import java.util.Locale;
+
+/** A controller for the entry of region picker page */
+public class RegionPreferenceController extends BasePreferenceController {
+
+ public RegionPreferenceController(@NonNull Context context, @NonNull String key) {
+ super(context, key);
+ }
+
+ @Override
+ public void displayPreference(@NonNull PreferenceScreen screen) {
+ super.displayPreference(screen);
+ Preference preference = screen.findPreference(getPreferenceKey());
+ LocaleStore.LocaleInfo localeInfo = LocaleStore.getLocaleInfo(Locale.getDefault());
+ preference.setSummary(localeInfo.getFullCountryNameNative());
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ if (!Flags.regionalPreferencesApiEnabled()) {
+ return CONDITIONALLY_UNAVAILABLE;
+ }
+ return AVAILABLE;
+ }
+}
diff --git a/src/com/android/settings/regionalpreferences/SystemRegionAllListPreferenceController.java b/src/com/android/settings/regionalpreferences/SystemRegionAllListPreferenceController.java
new file mode 100644
index 00000000000..47cd248b00e
--- /dev/null
+++ b/src/com/android/settings/regionalpreferences/SystemRegionAllListPreferenceController.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2024 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.regionalpreferences;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.internal.app.LocaleCollectorBase;
+import com.android.internal.app.LocaleStore;
+import com.android.internal.app.LocaleStore.LocaleInfo;
+import com.android.internal.app.SystemLocaleCollector;
+
+public class SystemRegionAllListPreferenceController extends
+ RegionPickerBaseListPreferenceController {
+
+ private static final String KEY_PREFERENCE_CATEGORY = "system_region_all_supported_category";
+ private static final String KEY_PREFERENCE_SYSTEM_REGION_LIST =
+ "system_region_list";
+ @Nullable private LocaleStore.LocaleInfo mLocaleInfo;
+
+ public SystemRegionAllListPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey) {
+ super(context, preferenceKey);
+ }
+
+ public SystemRegionAllListPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey, @NonNull LocaleStore.LocaleInfo parentLocale) {
+ super(context, preferenceKey);
+ mLocaleInfo = parentLocale;
+ }
+
+ @Override
+ protected String getPreferenceCategoryKey() {
+ return KEY_PREFERENCE_CATEGORY;
+ }
+
+ @Override
+ @NonNull
+ public String getPreferenceKey() {
+ return KEY_PREFERENCE_SYSTEM_REGION_LIST;
+ }
+
+ @Override
+ protected LocaleCollectorBase getLocaleCollectorController(Context context) {
+ return new SystemLocaleCollector(context, null);
+ }
+
+ @Nullable
+ @Override
+ protected LocaleInfo getParentLocale() {
+ return mLocaleInfo;
+ }
+}
diff --git a/src/com/android/settings/regionalpreferences/SystemRegionSuggestedListPreferenceController.java b/src/com/android/settings/regionalpreferences/SystemRegionSuggestedListPreferenceController.java
new file mode 100644
index 00000000000..9654f2a26ea
--- /dev/null
+++ b/src/com/android/settings/regionalpreferences/SystemRegionSuggestedListPreferenceController.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2024 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.regionalpreferences;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.internal.app.LocaleCollectorBase;
+import com.android.internal.app.LocaleStore;
+import com.android.internal.app.LocaleStore.LocaleInfo;
+import com.android.internal.app.SystemLocaleCollector;
+
+public class SystemRegionSuggestedListPreferenceController extends
+ RegionPickerBaseListPreferenceController {
+
+ private static final String KEY_PREFERENCE_CATEGORY = "system_region_suggested_category";
+ private static final String KEY_PREFERENCE_SYSTEM_REGION_SUGGESTED_LIST =
+ "system_region_suggested_list";
+ @Nullable private LocaleStore.LocaleInfo mLocaleInfo;
+
+ public SystemRegionSuggestedListPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey) {
+ super(context, preferenceKey);
+ }
+
+ public SystemRegionSuggestedListPreferenceController(@NonNull Context context,
+ @NonNull String preferenceKey, @NonNull LocaleStore.LocaleInfo parentLocale) {
+ super(context, preferenceKey);
+ mLocaleInfo = parentLocale;
+ }
+
+ @Override
+ protected String getPreferenceCategoryKey() {
+ return KEY_PREFERENCE_CATEGORY;
+ }
+
+ @Override
+ @NonNull
+ public String getPreferenceKey() {
+ return KEY_PREFERENCE_SYSTEM_REGION_SUGGESTED_LIST;
+ }
+
+ @Override
+ protected LocaleCollectorBase getLocaleCollectorController(Context context) {
+ return new SystemLocaleCollector(context, null);
+ }
+
+ @Nullable
+ @Override
+ protected LocaleInfo getParentLocale() {
+ return mLocaleInfo;
+ }
+}