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Allow alternative time zone ID to be set device's zone.

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If America/Godthab is set as device time zone, display it as if
America/Nuuk is chosen.
If time zone is known, but is not an alternative and not shown
in time zone picker, region will de derived from user's locale.

Bug: 155738410
Test: atest com.android.settings.datetime.timezone.model
Test: set persist.sys.timezone via adb and checked
Date & Time screen

Change-Id: I168fb4319e144dbe9e2496d06a681d4c09b411c0
This commit is contained in:
Almaz Mingaleev
2021-03-25 15:22:30 +00:00
parent d3db03b520
commit dd2a685756
7 changed files with 64 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/com/android/settings/datetime/timezone/RegionSearchPicker.java
View File

@@ -71,14 +71,14 @@ public class RegionSearchPicker extends BaseTimeZonePicker {
final FilteredCountryTimeZones countryTimeZones = mTimeZoneData.lookupCountryTimeZones(
regionId);
final Activity activity = getActivity();
if (countryTimeZones == null || countryTimeZones.getTimeZoneIds().isEmpty()) {
if (countryTimeZones == null || countryTimeZones.getPreferredTimeZoneIds().isEmpty()) {
Log.e(TAG, "Region has no time zones: " + regionId);
activity.setResult(Activity.RESULT_CANCELED);
activity.finish();
return;
}
List<String> timeZoneIds = countryTimeZones.getTimeZoneIds();
List<String> timeZoneIds = countryTimeZones.getPreferredTimeZoneIds();
// Choose the time zone associated the region if there is only one time zone in that region
if (timeZoneIds.size() == 1) {
final Intent resultData = new Intent()

2
src/com/android/settings/datetime/timezone/RegionZonePicker.java
View File

@@ -103,7 +103,7 @@ public class RegionZonePicker extends BaseTimeZoneInfoPicker {
// It could be a timely operations if there are many time zones. A region in time zone data
// contains a maximum of 29 time zones currently. It may change in the future, but it's
// unlikely to be changed drastically.
return getRegionTimeZoneInfo(filteredCountryTimeZones.getTimeZoneIds());
return getRegionTimeZoneInfo(filteredCountryTimeZones.getPreferredTimeZoneIds());
}
/**

8
src/com/android/settings/datetime/timezone/TimeZoneSettings.java
View File

@@ -214,10 +214,11 @@ public class TimeZoneSettings extends DashboardFragment {
mTimeZoneData.lookupCountryTimeZones(regionId);
use(RegionZonePreferenceController.class).setTimeZoneInfo(tzInfo);
// Only clickable when the region has more than 1 time zones or no time zone is selected.
// Only clickable when the region has more than 1 time zones or no time zone is selected.
use(RegionZonePreferenceController.class).setClickable(tzInfo == null ||
(countryTimeZones != null && countryTimeZones.getTimeZoneIds().size() > 1));
(countryTimeZones != null
&& countryTimeZones.getPreferredTimeZoneIds().size() > 1));
use(TimeZoneInfoPreferenceController.class).setTimeZoneInfo(tzInfo);
updatePreferenceStates();
@@ -244,7 +245,8 @@ public class TimeZoneSettings extends DashboardFragment {
FilteredCountryTimeZones countryTimeZones =
timeZoneData.lookupCountryTimeZones(regionId);
if (countryTimeZones == null || !countryTimeZones.getTimeZoneIds().contains(tzId)) {
if (countryTimeZones == null
|| !countryTimeZones.getPreferredTimeZoneIds().contains(tzId)) {
Log.e(TAG, "Unknown time zone id is selected: " + tzId);
return;
}

45
src/com/android/settings/datetime/timezone/model/FilteredCountryTimeZones.java
View File

@@ -16,11 +16,15 @@
package com.android.settings.datetime.timezone.model;
import android.util.ArraySet;
import com.android.i18n.timezone.CountryTimeZones;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.Set;
/**
* Wrap {@class CountryTimeZones} to filter time zone that are shown in the picker.
@@ -39,31 +43,46 @@ public class FilteredCountryTimeZones {
* a timestamp known to be in the recent past is used. This should be updated occasionally but
* it doesn't have to be very often.
*/
private static final long MIN_USE_DATE_OF_TIMEZONE = 1546300800000L; // 1/1/2019 00:00 UTC
private static final Instant MIN_USE_DATE_OF_TIMEZONE =
Instant.ofEpochMilli(1546300800000L); // 1/1/2019 00:00 UTC
private final CountryTimeZones mCountryTimeZones;
private final List<String> mTimeZoneIds;
private final List<String> mPreferredTimeZoneIds;
private final Set<String> mAlternativeTimeZoneIds;
public FilteredCountryTimeZones(CountryTimeZones countryTimeZones) {
mCountryTimeZones = countryTimeZones;
List<String> timeZoneIds = countryTimeZones.getTimeZoneMappings().stream()
.filter(timeZoneMapping ->
timeZoneMapping.isShownInPicker()
&& (timeZoneMapping.getNotUsedAfter() == null
|| timeZoneMapping.getNotUsedAfter() >= MIN_USE_DATE_OF_TIMEZONE))
.map(timeZoneMapping -> timeZoneMapping.getTimeZoneId())
.collect(Collectors.toList());
mTimeZoneIds = Collections.unmodifiableList(timeZoneIds);
List<String> timeZoneIds = new ArrayList<>();
Set<String> alternativeTimeZoneIds = new ArraySet<>();
for (CountryTimeZones.TimeZoneMapping timeZoneMapping :
countryTimeZones.getTimeZoneMappings()) {
if (timeZoneMapping.isShownInPickerAt(MIN_USE_DATE_OF_TIMEZONE)) {
String timeZoneId = timeZoneMapping.getTimeZoneId();
timeZoneIds.add(timeZoneId);
alternativeTimeZoneIds.addAll(timeZoneMapping.getAlternativeIds());
}
}
mPreferredTimeZoneIds = Collections.unmodifiableList(timeZoneIds);
mAlternativeTimeZoneIds = Collections.unmodifiableSet(alternativeTimeZoneIds);
}
public List<String> getTimeZoneIds() {
return mTimeZoneIds;
public List<String> getPreferredTimeZoneIds() {
return mPreferredTimeZoneIds;
}
public CountryTimeZones getCountryTimeZones() {
return mCountryTimeZones;
}
/**
* Returns whether {@code timeZoneId} is currently used in the country or is an alternative
* name of a currently used time zone.
*/
public boolean matches(String timeZoneId) {
return mPreferredTimeZoneIds.contains(timeZoneId)
|| mAlternativeTimeZoneIds.contains(timeZoneId);
}
public String getRegionId() {
return TimeZoneData.normalizeRegionId(mCountryTimeZones.getCountryIso());
}

2
src/com/android/settings/datetime/timezone/model/TimeZoneData.java
View File

@@ -71,7 +71,7 @@ public class TimeZoneData {
Set<String> regionIds = new ArraySet<>();
for (CountryTimeZones countryTimeZone : countryTimeZones) {
FilteredCountryTimeZones filteredZones = new FilteredCountryTimeZones(countryTimeZone);
if (filteredZones.getTimeZoneIds().contains(tzId)) {
if (filteredZones.matches(tzId)) {
regionIds.add(filteredZones.getRegionId());
}
}