2 * Copyright (C) 2018 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings.fuelgauge.batterytip.detectors;
19 import android.content.Context;
20 import android.os.BatteryStats;
21 import android.support.annotation.VisibleForTesting;
23 import com.android.internal.os.BatterySipper;
24 import com.android.internal.os.BatteryStatsHelper;
25 import com.android.settings.fuelgauge.BatteryUtils;
26 import com.android.settings.fuelgauge.batterytip.BatteryTipPolicy;
27 import com.android.settings.fuelgauge.batterytip.AppInfo;
28 import com.android.settings.fuelgauge.BatteryInfo;
29 import com.android.settings.fuelgauge.batterytip.HighUsageDataParser;
30 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
31 import com.android.settings.fuelgauge.batterytip.tips.HighUsageTip;
33 import java.util.ArrayList;
34 import java.util.Collections;
35 import java.util.List;
38 * Detector whether to show summary tip. This detector should be executed as the last
39 * {@link BatteryTipDetector} since it need the most up-to-date {@code visibleTips}
41 public class HighUsageDetector implements BatteryTipDetector {
42 private BatteryTipPolicy mPolicy;
43 private BatteryStatsHelper mBatteryStatsHelper;
44 private List<AppInfo> mHighUsageAppList;
45 private Context mContext;
47 HighUsageDataParser mDataParser;
49 BatteryUtils mBatteryUtils;
51 public HighUsageDetector(Context context, BatteryTipPolicy policy,
52 BatteryStatsHelper batteryStatsHelper) {
55 mBatteryStatsHelper = batteryStatsHelper;
56 mHighUsageAppList = new ArrayList<>();
57 mBatteryUtils = BatteryUtils.getInstance(context);
58 mDataParser = new HighUsageDataParser(mPolicy.highUsagePeriodMs,
59 mPolicy.highUsageBatteryDraining);
63 public BatteryTip detect() {
64 final long screenUsageTimeMs = mBatteryUtils.calculateScreenUsageTime(mBatteryStatsHelper);
65 if (mPolicy.highUsageEnabled) {
67 if (mDataParser.isDeviceHeavilyUsed()) {
68 final List<BatterySipper> batterySippers = mBatteryStatsHelper.getUsageList();
69 for (int i = 0, size = batterySippers.size(); i < size; i++) {
70 final BatterySipper batterySipper = batterySippers.get(i);
71 if (!mBatteryUtils.shouldHideSipper(batterySipper)) {
72 final long foregroundTimeMs = mBatteryUtils.getProcessTimeMs(
73 BatteryUtils.StatusType.FOREGROUND, batterySipper.uidObj,
74 BatteryStats.STATS_SINCE_CHARGED);
75 mHighUsageAppList.add(new AppInfo.Builder()
76 .setUid(batterySipper.getUid())
78 mBatteryUtils.getPackageName(batterySipper.getUid()))
79 .setScreenOnTimeMs(foregroundTimeMs)
84 mHighUsageAppList = mHighUsageAppList.subList(0,
85 Math.min(mPolicy.highUsageAppCount, mHighUsageAppList.size()));
86 Collections.sort(mHighUsageAppList, Collections.reverseOrder());
90 return new HighUsageTip(screenUsageTimeMs, mHighUsageAppList);
94 void parseBatteryData() {
95 BatteryInfo.parse(mBatteryStatsHelper.getStats(), mDataParser);