PawletOS/app_Settings
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Support battery usage chart start index label is the detailed last full charge time

Browse Source 
https://screenshot.googleplex.com/5dYp7kJpNPMU6Jx.png
https://screenshot.googleplex.com/7ZSbWyCGRFSym6A.png
https://screenshot.googleplex.com/9GsPTa9zd2XttDX.png

Bug: 271214926
Fix: 271214926
Test: manual
Change-Id: Ic869653f66866964f34e111dd2ee8c052313e119
This commit is contained in:
Zaiyue Xue
2023-03-31 19:20:18 +08:00
parent be76ebdc5b
commit bcafd5dfda
8 changed files with 397 additions and 287 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java
View File

@@ -251,8 +251,7 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
hourlyBatteryLevelsPerDay.getLevels(),
hourlyBatteryLevelsPerDay.getTimestamps(),
BatteryChartViewModel.AxisLabelPosition.BETWEEN_TRAPEZOIDS,
mHourlyChartLabelTextGenerator.setLatestTimestamp(getLast(getLast(
batteryLevelData.getHourlyBatteryLevelsPerDay()).getTimestamps()))));
mHourlyChartLabelTextGenerator.updateSpecialCaseContext(batteryLevelData)));
}
refreshUi();
}
@@ -640,7 +639,11 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
private final class HourlyChartLabelTextGenerator implements
BatteryChartViewModel.LabelTextGenerator {
private Long mLatestTimestamp;
private static final int FULL_CHARGE_BATTERY_LEVEL = 100;
private boolean mIsFromFullCharge;
private long mFistTimestamp;
private long mLatestTimestamp;
@Override
public String generateText(List<Long> timestamps, int index) {
@@ -648,24 +651,37 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
// Replaces the latest timestamp text to "now".
return mContext.getString(R.string.battery_usage_chart_label_now);
}
return ConvertUtils.utcToLocalTimeHour(mContext, timestamps.get(index),
mIs24HourFormat);
long timestamp = timestamps.get(index);
boolean showMinute = false;
if (Objects.equal(timestamp, mFistTimestamp)) {
if (mIsFromFullCharge) {
showMinute = true;
} else {
// starts from 7 days ago
timestamp = TimestampUtils.getLastEvenHourTimestamp(timestamp);
}
}
return ConvertUtils.utcToLocalTimeHour(
mContext, timestamp, mIs24HourFormat, showMinute);
}
@Override
public String generateFullText(List<Long> timestamps, int index) {
if (Objects.equal(timestamps.get(index), mLatestTimestamp)) {
// Replaces the latest timestamp text to "now".
return mContext.getString(R.string.battery_usage_chart_label_now);
}
return index == timestamps.size() - 1
? generateText(timestamps, index)
: mContext.getString(R.string.battery_usage_timestamps_hyphen,
generateText(timestamps, index), generateText(timestamps, index + 1));
}
public HourlyChartLabelTextGenerator setLatestTimestamp(Long latestTimestamp) {
this.mLatestTimestamp = latestTimestamp;
HourlyChartLabelTextGenerator updateSpecialCaseContext(
@NonNull final BatteryLevelData batteryLevelData) {
BatteryLevelData.PeriodBatteryLevelData firstDayLevelData =
batteryLevelData.getHourlyBatteryLevelsPerDay().get(0);
this.mIsFromFullCharge =
firstDayLevelData.getLevels().get(0) == FULL_CHARGE_BATTERY_LEVEL;
this.mFistTimestamp = firstDayLevelData.getTimestamps().get(0);
this.mLatestTimestamp = getLast(getLast(
batteryLevelData.getHourlyBatteryLevelsPerDay()).getTimestamps());
return this;
}
}

6
src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
View File

@@ -280,12 +280,12 @@ public final class ConvertUtils {
}
/** Converts UTC timestamp to local time hour data. */
public static String utcToLocalTimeHour(
final Context context, final long timestamp, final boolean is24HourFormat) {
public static String utcToLocalTimeHour(final Context context, final long timestamp,
final boolean is24HourFormat, final boolean showMinute) {
final Locale locale = getLocale(context);
// e.g. for 12-hour format: 9 PM
// e.g. for 24-hour format: 09:00
final String skeleton = is24HourFormat ? "HHm" : "ha";
final String skeleton = is24HourFormat ? "HHm" : (showMinute ? "hma" : "ha");
final String pattern = DateFormat.getBestDateTimePattern(locale, skeleton);
return DateFormat.format(pattern, timestamp).toString();
}

251
src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java
View File

@@ -285,7 +285,6 @@ public final class DataProcessor {
final Map<Integer, Map<Integer, Map<Long, Map<String, List<AppUsagePeriod>>>>> resultMap =
new ArrayMap<>();
final long dailySize = hourlyBatteryLevelsPerDay.size();
for (int dailyIndex = 0; dailyIndex < hourlyBatteryLevelsPerDay.size(); dailyIndex++) {
final Map<Integer, Map<Long, Map<String, List<AppUsagePeriod>>>> dailyMap =
new ArrayMap<>();
@@ -294,21 +293,9 @@ public final class DataProcessor {
continue;
}
final List<Long> timestamps = hourlyBatteryLevelsPerDay.get(dailyIndex).getTimestamps();
final long hourlySize = timestamps.size() - 1;
for (int hourlyIndex = 0; hourlyIndex < timestamps.size() - 1; hourlyIndex++) {
// The start slot timestape is the near hour timestamp instead of the last full
// charge time. So use rawStartTimestamp instead of reading the timestamp from
// hourlyBatteryLevelsPerDay here.
final long startTimestamp =
dailyIndex == 0 && hourlyIndex == 0 && !sDebug
? rawStartTimestamp : timestamps.get(hourlyIndex);
// The final slot is to show the data from last even hour until now but the
// timestamp in hourlyBatteryLevelsPerDay is not the real value. So use current
// timestamp instead of reading the timestamp from hourlyBatteryLevelsPerDay here.
final long endTimestamp =
dailyIndex == dailySize - 1 && hourlyIndex == hourlySize - 1 && !sDebug
? System.currentTimeMillis() : timestamps.get(hourlyIndex + 1);
final long startTimestamp = timestamps.get(hourlyIndex);
final long endTimestamp = timestamps.get(hourlyIndex + 1);
// Gets the app usage event list for this hourly slot first.
final List<AppUsageEvent> hourlyAppUsageEventList =
getAppUsageEventListWithinTimeRangeWithBuffer(
@@ -463,11 +450,8 @@ public final class DataProcessor {
Collections.sort(rawTimestampList);
final long currentTime = getCurrentTimeMillis();
final List<Long> expectedTimestampList = getTimestampSlots(rawTimestampList, currentTime);
final boolean isFromFullCharge =
isFromFullCharge(batteryHistoryMap.get(rawTimestampList.get(0)));
interpolateHistory(
context, rawTimestampList, expectedTimestampList, currentTime, isFromFullCharge,
batteryHistoryMap, resultMap);
context, rawTimestampList, expectedTimestampList, batteryHistoryMap, resultMap);
Log.d(TAG, String.format("getHistoryMapWithExpectedTimestamps() size=%d in %d/ms",
resultMap.size(), (System.currentTimeMillis() - startTime)));
return resultMap;
@@ -496,8 +480,9 @@ public final class DataProcessor {
}
/**
* Computes expected timestamp slots for last full charge, which will return hourly timestamps
* between start and end two even hour values.
* Computes expected timestamp slots. The start timestamp is the last full charge time.
* The end timestamp is current time. The middle timestamps are the sharp hour timestamps
* between the start and end timestamps.
*/
@VisibleForTesting
static List<Long> getTimestampSlots(final List<Long> rawTimestampList, final long currentTime) {
@@ -505,19 +490,18 @@ public final class DataProcessor {
if (rawTimestampList.isEmpty()) {
return timestampSlots;
}
final long rawStartTimestamp = rawTimestampList.get(0);
// No matter the start is from last full charge or 6 days ago, use the nearest even hour.
final long startTimestamp = getNearestEvenHourTimestamp(rawStartTimestamp);
// Use the first even hour after the current time as the end.
final long endTimestamp = getFirstEvenHourAfterTimestamp(currentTime);
final long startTimestamp = rawTimestampList.get(0);
final long endTimestamp = currentTime;
// If the start timestamp is later or equal the end one, return the empty list.
if (startTimestamp >= endTimestamp) {
return timestampSlots;
}
for (long timestamp = startTimestamp; timestamp <= endTimestamp;
timestamp += DateUtils.HOUR_IN_MILLIS) {
timestampSlots.add(startTimestamp);
for (long timestamp = TimestampUtils.getNextHourTimestamp(startTimestamp);
timestamp < endTimestamp; timestamp += DateUtils.HOUR_IN_MILLIS) {
timestampSlots.add(timestamp);
}
timestampSlots.add(endTimestamp);
return timestampSlots;
}
@@ -539,34 +523,38 @@ public final class DataProcessor {
}
final long startTime = timestampList.get(0);
final long endTime = timestampList.get(timestampList.size() - 1);
// If the timestamp diff is smaller than MIN_TIME_SLOT, returns the empty list directly.
if (endTime - startTime < MIN_TIME_SLOT) {
return dailyTimestampList;
}
long nextDay = getTimestampOfNextDay(startTime);
// Only if the timestamp diff in the first day is bigger than MIN_TIME_SLOT, start from the
// first day. Otherwise, start from the second day.
if (nextDay - startTime >= MIN_TIME_SLOT) {
dailyTimestampList.add(startTime);
}
while (nextDay < endTime) {
dailyTimestampList.add(nextDay);
nextDay = getTimestampOfNextDay(nextDay);
}
final long lastDailyTimestamp = dailyTimestampList.get(dailyTimestampList.size() - 1);
// Only if the timestamp diff in the last day is bigger than MIN_TIME_SLOT, add the
// last day.
if (endTime - lastDailyTimestamp >= MIN_TIME_SLOT) {
dailyTimestampList.add(endTime);
}
// The dailyTimestampList must have the start and end timestamp, otherwise, return an empty
// list.
if (dailyTimestampList.size() < MIN_TIMESTAMP_DATA_SIZE) {
return new ArrayList<>();
for (long timestamp = startTime; timestamp < endTime;
timestamp = TimestampUtils.getNextDayTimestamp(timestamp)) {
dailyTimestampList.add(timestamp);
}
dailyTimestampList.add(endTime);
return dailyTimestampList;
}
@VisibleForTesting
static List<List<Long>> getHourlyTimestamps(final List<Long> dailyTimestamps) {
final List<List<Long>> hourlyTimestamps = new ArrayList<>();
if (dailyTimestamps.size() < MIN_DAILY_DATA_SIZE) {
return hourlyTimestamps;
}
for (int dailyIndex = 0; dailyIndex < dailyTimestamps.size() - 1; dailyIndex++) {
final List<Long> hourlyTimestampsPerDay = new ArrayList<>();
final long startTime = dailyTimestamps.get(dailyIndex);
final long endTime = dailyTimestamps.get(dailyIndex + 1);
hourlyTimestampsPerDay.add(startTime);
for (long timestamp = TimestampUtils.getNextEvenHourTimestamp(startTime);
timestamp < endTime; timestamp += MIN_TIME_SLOT) {
hourlyTimestampsPerDay.add(timestamp);
}
hourlyTimestampsPerDay.add(endTime);
hourlyTimestamps.add(hourlyTimestampsPerDay);
}
return hourlyTimestamps;
}
@VisibleForTesting
static boolean isFromFullCharge(@Nullable final Map<String, BatteryHistEntry> entryList) {
if (entryList == null) {
@@ -602,30 +590,6 @@ public final class DataProcessor {
return results;
}
/**
* @return Returns the timestamp for 00:00 1 day after the given timestamp based on local
* timezone.
*/
@VisibleForTesting
static long getTimestampOfNextDay(long timestamp) {
return getTimestampWithDayDiff(timestamp, /*dayDiff=*/ 1);
}
/**
* Returns whether currentSlot will be used in daily chart.
*/
@VisibleForTesting
static boolean isForDailyChart(final boolean isStartOrEnd, final long currentSlot) {
// The start and end timestamps will always be used in daily chart.
if (isStartOrEnd) {
return true;
}
// The timestamps for 00:00 will be used in daily chart.
final long startOfTheDay = getTimestampWithDayDiff(currentSlot, /*dayDiff=*/ 0);
return currentSlot == startOfTheDay;
}
/**
* @return Returns the indexed battery usage data for each corresponding time slot.
*
@@ -1184,43 +1148,22 @@ public final class DataProcessor {
Context context,
final List<Long> rawTimestampList,
final List<Long> expectedTimestampSlots,
final long currentTime,
final boolean isFromFullCharge,
final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap,
final Map<Long, Map<String, BatteryHistEntry>> resultMap) {
if (rawTimestampList.isEmpty() || expectedTimestampSlots.isEmpty()) {
return;
}
final long expectedStartTimestamp = expectedTimestampSlots.get(0);
final long rawStartTimestamp = rawTimestampList.get(0);
int startIndex = 0;
// If the expected start timestamp is full charge or earlier than what we have, use the
// first data of what we have directly. This should be OK because the expected start
// timestamp is the nearest even hour of the raw start timestamp, their time diff is no
// more than 1 hour.
if (isFromFullCharge || expectedStartTimestamp < rawStartTimestamp) {
startIndex = 1;
resultMap.put(expectedStartTimestamp, batteryHistoryMap.get(rawStartTimestamp));
}
final int expectedTimestampSlotsSize = expectedTimestampSlots.size();
for (int index = startIndex; index < expectedTimestampSlotsSize; index++) {
final long currentSlot = expectedTimestampSlots.get(index);
if (currentSlot > currentTime) {
// The slot timestamp is greater than the current time. Puts a placeholder first,
// then in the async task, loads the real time battery usage data from the battery
// stats service.
// If current time is odd hour, one placeholder is added. If the current hour is
// even hour, two placeholders are added. This is because the method
// insertHourlyUsageDiffDataPerSlot() requires continuing three hours data.
resultMap.put(currentSlot,
Map.of(CURRENT_TIME_BATTERY_HISTORY_PLACEHOLDER, EMPTY_BATTERY_HIST_ENTRY));
continue;
}
final boolean isStartOrEnd = index == 0 || index == expectedTimestampSlotsSize - 1;
interpolateHistoryForSlot(
context, currentSlot, rawTimestampList, batteryHistoryMap, resultMap,
isStartOrEnd);
final long startTimestamp = expectedTimestampSlots.get(0);
final long endTimestamp = expectedTimestampSlots.get(expectedTimestampSlotsSize - 1);
resultMap.put(startTimestamp, batteryHistoryMap.get(startTimestamp));
for (int index = 1; index < expectedTimestampSlotsSize - 1; index++) {
interpolateHistoryForSlot(context, expectedTimestampSlots.get(index), rawTimestampList,
batteryHistoryMap, resultMap);
}
resultMap.put(endTimestamp,
Map.of(CURRENT_TIME_BATTERY_HISTORY_PLACEHOLDER, EMPTY_BATTERY_HIST_ENTRY));
}
private static void interpolateHistoryForSlot(
@@ -1228,8 +1171,7 @@ public final class DataProcessor {
final long currentSlot,
final List<Long> rawTimestampList,
final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap,
final Map<Long, Map<String, BatteryHistEntry>> resultMap,
final boolean isStartOrEnd) {
final Map<Long, Map<String, BatteryHistEntry>> resultMap) {
final long[] nearestTimestamps = findNearestTimestamp(rawTimestampList, currentSlot);
final long lowerTimestamp = nearestTimestamps[0];
final long upperTimestamp = nearestTimestamps[1];
@@ -1252,9 +1194,8 @@ public final class DataProcessor {
resultMap.put(currentSlot, new ArrayMap<>());
return;
}
interpolateHistoryForSlot(context,
currentSlot, lowerTimestamp, upperTimestamp, batteryHistoryMap, resultMap,
isStartOrEnd);
interpolateHistoryForSlot(
context, currentSlot, lowerTimestamp, upperTimestamp, batteryHistoryMap, resultMap);
}
private static void interpolateHistoryForSlot(
@@ -1263,8 +1204,7 @@ public final class DataProcessor {
final long lowerTimestamp,
final long upperTimestamp,
final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap,
final Map<Long, Map<String, BatteryHistEntry>> resultMap,
final boolean isStartOrEnd) {
final Map<Long, Map<String, BatteryHistEntry>> resultMap) {
final Map<String, BatteryHistEntry> lowerEntryDataMap =
batteryHistoryMap.get(lowerTimestamp);
final Map<String, BatteryHistEntry> upperEntryDataMap =
@@ -1278,7 +1218,7 @@ public final class DataProcessor {
// Skips the booting-specific logics and always does interpolation for daily chart level
// data.
if (lowerTimestamp < upperEntryDataBootTimestamp
&& !isForDailyChart(isStartOrEnd, currentSlot)) {
&& !TimestampUtils.isMidnight(currentSlot)) {
// Provides an opportunity to force align the slot directly.
if ((upperTimestamp - currentSlot) < 10 * DateUtils.MINUTE_IN_MILLIS) {
log(context, "force align into the nearest slot", currentSlot, null);
@@ -1325,70 +1265,6 @@ public final class DataProcessor {
resultMap.put(currentSlot, newHistEntryMap);
}
/**
* @return Returns the nearest even hour timestamp of the given timestamp.
*/
private static long getNearestEvenHourTimestamp(long rawTimestamp) {
// If raw hour is even, the nearest even hour should be the even hour before raw
// start. The hour doesn't need to change and just set the minutes and seconds to 0.
// Otherwise, the nearest even hour should be raw hour + 1.
// For example, the nearest hour of 14:30:50 should be 14:00:00. While the nearest
// hour of 15:30:50 should be 16:00:00.
return getEvenHourTimestamp(rawTimestamp, /*addHourOfDay*/ 1);
}
/**
* @return Returns the fist even hour timestamp after the given timestamp.
*/
private static long getFirstEvenHourAfterTimestamp(long rawTimestamp) {
return getLastEvenHourBeforeTimestamp(rawTimestamp + DateUtils.HOUR_IN_MILLIS * 2);
}
/**
* @return Returns the last even hour timestamp before the given timestamp.
*/
private static long getLastEvenHourBeforeTimestamp(long rawTimestamp) {
// If raw hour is even, the hour doesn't need to change as well.
// Otherwise, the even hour before raw end should be raw hour - 1.
// For example, the even hour before 14:30:50 should be 14:00:00. While the even
// hour before 15:30:50 should be 14:00:00.
return getEvenHourTimestamp(rawTimestamp, /*addHourOfDay*/ -1);
}
private static long getEvenHourTimestamp(long rawTimestamp, int addHourOfDay) {
final Calendar evenHourCalendar = Calendar.getInstance();
evenHourCalendar.setTimeInMillis(rawTimestamp);
// Before computing the evenHourCalendar, record raw hour based on local timezone.
final int rawHour = evenHourCalendar.get(Calendar.HOUR_OF_DAY);
if (rawHour % 2 != 0) {
evenHourCalendar.add(Calendar.HOUR_OF_DAY, addHourOfDay);
}
evenHourCalendar.set(Calendar.MINUTE, 0);
evenHourCalendar.set(Calendar.SECOND, 0);
evenHourCalendar.set(Calendar.MILLISECOND, 0);
return evenHourCalendar.getTimeInMillis();
}
private static List<List<Long>> getHourlyTimestamps(final List<Long> dailyTimestamps) {
final List<List<Long>> hourlyTimestamps = new ArrayList<>();
if (dailyTimestamps.size() < MIN_DAILY_DATA_SIZE) {
return hourlyTimestamps;
}
for (int dailyStartIndex = 0; dailyStartIndex < dailyTimestamps.size() - 1;
dailyStartIndex++) {
long currentTimestamp = dailyTimestamps.get(dailyStartIndex);
final long dailyEndTimestamp = dailyTimestamps.get(dailyStartIndex + 1);
final List<Long> hourlyTimestampsPerDay = new ArrayList<>();
while (currentTimestamp <= dailyEndTimestamp) {
hourlyTimestampsPerDay.add(currentTimestamp);
currentTimestamp += MIN_TIME_SLOT;
}
hourlyTimestamps.add(hourlyTimestampsPerDay);
}
return hourlyTimestamps;
}
private static List<BatteryLevelData.PeriodBatteryLevelData> getHourlyPeriodBatteryLevelData(
Context context,
final Map<Long, Map<String, BatteryHistEntry>> processedBatteryHistoryMap,
@@ -1465,11 +1341,16 @@ public final class DataProcessor {
final Long endTimestamp = hourlyTimestamps.get(hourlyIndex + 1);
final long slotDuration = endTimestamp - startTimestamp;
List<Map<String, BatteryHistEntry>> slotBatteryHistoryList = new ArrayList<>();
for (Long timestamp = startTimestamp; timestamp <= endTimestamp;
timestamp += DateUtils.HOUR_IN_MILLIS) {
slotBatteryHistoryList.add(
batteryHistoryMap.getOrDefault(startTimestamp, EMPTY_BATTERY_MAP));
for (Long timestamp = TimestampUtils.getNextHourTimestamp(startTimestamp);
timestamp < endTimestamp; timestamp += DateUtils.HOUR_IN_MILLIS) {
slotBatteryHistoryList.add(
batteryHistoryMap.getOrDefault(timestamp, EMPTY_BATTERY_MAP));
}
slotBatteryHistoryList.add(
batteryHistoryMap.getOrDefault(endTimestamp, EMPTY_BATTERY_MAP));
final BatteryDiffData hourlyBatteryDiffData =
insertHourlyUsageDiffDataPerSlot(
context,
@@ -1942,16 +1823,6 @@ public final class DataProcessor {
return true;
}
private static long getTimestampWithDayDiff(final long timestamp, final int dayDiff) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(timestamp);
calendar.add(Calendar.DAY_OF_YEAR, dayDiff);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
return calendar.getTimeInMillis();
}
private static long getDiffValue(long v1, long v2) {
return v2 > v1 ? v2 - v1 : 0;
}

68
src/com/android/settings/fuelgauge/batteryusage/TimestampUtils.java Normal file
View File

@@ -0,0 +1,68 @@
/*
* Copyright (C) 2023 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.fuelgauge.batteryusage;
import java.util.Calendar;
/** A utility class for timestamp operations. */
final class TimestampUtils {
static long getNextHourTimestamp(final long timestamp) {
final Calendar calendar = getSharpHourCalendar(timestamp);
calendar.add(Calendar.HOUR_OF_DAY, 1);
return calendar.getTimeInMillis();
}
static long getNextEvenHourTimestamp(final long timestamp) {
final Calendar calendar = getSharpHourCalendar(timestamp);
final int hour = calendar.get(Calendar.HOUR_OF_DAY);
calendar.add(Calendar.HOUR_OF_DAY, hour % 2 == 0 ? 2 : 1);
return calendar.getTimeInMillis();
}
static long getLastEvenHourTimestamp(final long timestamp) {
final Calendar calendar = getSharpHourCalendar(timestamp);
final int hour = calendar.get(Calendar.HOUR_OF_DAY);
calendar.add(Calendar.HOUR_OF_DAY, hour % 2 == 0 ? 0 : -1);
return calendar.getTimeInMillis();
}
static long getNextDayTimestamp(final long timestamp) {
final Calendar calendar = getSharpHourCalendar(timestamp);
calendar.add(Calendar.DAY_OF_YEAR, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
return calendar.getTimeInMillis();
}
static boolean isMidnight(final long timestamp) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(timestamp);
return calendar.get(Calendar.HOUR_OF_DAY) == 0
&& calendar.get(Calendar.MINUTE) == 0
&& calendar.get(Calendar.SECOND) == 0
&& calendar.get(Calendar.MILLISECOND) == 0;
}
private static Calendar getSharpHourCalendar(final long timestamp) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(timestamp);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar;
}
}