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Commit 43a2ac6c authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
Browse files

Merge changes from topic "ww_5_auto_restrict"

* changes:
  Add special check for excessive bg anomaly
  Add auto restriction for excessive background
parents 7d8e770b 457fb842
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+1 −0
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@@ -40,6 +40,7 @@ LOCAL_JAVA_LIBRARIES := \
LOCAL_STATIC_JAVA_LIBRARIES := \
    android-arch-lifecycle-runtime \
    android-arch-lifecycle-extensions \
    guava \
    jsr305 \
    settings-logtags \

+3 −0
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@@ -3299,6 +3299,9 @@
        <service android:name=".fuelgauge.batterytip.AnomalyCleanUpJobService"
                 android:permission="android.permission.BIND_JOB_SERVICE" />

        <service android:name=".fuelgauge.batterytip.AnomalyDetectionJobService"
                 android:permission="android.permission.BIND_JOB_SERVICE" />

        <!-- This is the longest AndroidManifest.xml ever. -->
    </application>
</manifest>
+1 −0
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@@ -19,6 +19,7 @@
<resources>
    <item type="id" name="preference_highlighted" />
    <item type="id" name="job_anomaly_clean_up" />
    <item type="id" name="job_anomaly_detection" />

    <item type="id" name="lock_none" />
    <item type="id" name="lock_pin" />
+35 −2
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@@ -44,6 +44,7 @@ import com.android.settings.fuelgauge.anomaly.Anomaly;
import com.android.settings.overlay.FeatureFactory;

import com.android.settingslib.utils.PowerUtil;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Collections;
@@ -69,6 +70,7 @@ public class BatteryUtils {
        int BACKGROUND = 2;
        int ALL = 3;
    }

    private static final String TAG = "BatteryUtils";

    private static final int MIN_POWER_THRESHOLD_MILLI_AMP = 5;
@@ -81,6 +83,7 @@ public class BatteryUtils {
    private Context mContext;
    @VisibleForTesting
    PowerUsageFeatureProvider mPowerUsageFeatureProvider;

    public static BatteryUtils getInstance(Context context) {
        if (sInstance == null || sInstance.isDataCorrupted()) {
            sInstance = new BatteryUtils(context);
@@ -153,8 +156,7 @@ public class BatteryUtils {
    private long getProcessForegroundTimeMs(BatteryStats.Uid uid, int which) {
        final long rawRealTimeUs = PowerUtil.convertMsToUs(SystemClock.elapsedRealtime());
        return getScreenUsageTimeMs(uid, which, rawRealTimeUs)
                + PowerUtil.convertUsToMs(
                        getForegroundServiceTotalTimeUs(uid, rawRealTimeUs));
                + PowerUtil.convertUsToMs(getForegroundServiceTotalTimeUs(uid, rawRealTimeUs));
    }

    /**
@@ -349,6 +351,7 @@ public class BatteryUtils {

    /**
     * Calculate the screen usage time since last full charge.
     *
     * @param batteryStatsHelper utility class that contains the screen usage data
     * @return time in millis
     */
@@ -500,5 +503,35 @@ public class BatteryUtils {
        return false;
    }

    /**
     * Check if the app represented by {@code uid} has battery usage more than {@code threshold}
     *
     * @param batteryStatsHelper used to check the battery usage
     * @param userManager        used to init the {@code batteryStatsHelper}
     * @param uid                represent the app
     * @param threshold          battery percentage threshold(e.g. 10 means 10% battery usage )
     * @return {@code true} if battery drain is more than the threshold
     */
    public boolean isAppHeavilyUsed(BatteryStatsHelper batteryStatsHelper, UserManager userManager,
            int uid, int threshold) {
        initBatteryStatsHelper(batteryStatsHelper, null /* bundle */, userManager);
        final int dischargeAmount = batteryStatsHelper.getStats().getDischargeAmount(
                BatteryStats.STATS_SINCE_CHARGED);
        List<BatterySipper> batterySippers = batteryStatsHelper.getUsageList();
        final double hiddenAmount = removeHiddenBatterySippers(batterySippers);

        for (int i = 0, size = batterySippers.size(); i < size; i++) {
            final BatterySipper batterySipper = batterySippers.get(i);
            if (batterySipper.getUid() == uid) {
                final int percent = (int) calculateBatteryPercent(
                        batterySipper.totalPowerMah, batteryStatsHelper.getTotalPower(),
                        hiddenAmount,
                        dischargeAmount);
                return percent >= threshold;
            }
        }

        return false;
    }
}
+177 −0
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/*
 * Copyright (C) 2018 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.batterytip;

import static android.os.StatsDimensionsValue.INT_VALUE_TYPE;
import static android.os.StatsDimensionsValue.TUPLE_VALUE_TYPE;

import android.app.AppOpsManager;
import android.app.StatsManager;
import android.app.job.JobInfo;
import android.app.job.JobParameters;
import android.app.job.JobScheduler;
import android.app.job.JobService;
import android.app.job.JobWorkItem;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.StatsDimensionsValue;
import android.os.SystemPropertiesProto;
import android.os.UserManager;
import android.provider.Settings;
import android.support.annotation.VisibleForTesting;
import android.util.Log;

import com.android.internal.os.BatteryStatsHelper;
import com.android.settings.R;
import com.android.settings.fuelgauge.BatteryUtils;
import com.android.settingslib.utils.ThreadUtils;

import java.util.List;
import java.util.concurrent.TimeUnit;

/** A JobService to store anomaly data to anomaly database */
public class AnomalyDetectionJobService extends JobService {
    private static final String TAG = "AnomalyDetectionService";
    private static final int UID_NULL = 0;
    private static final int STATSD_UID_FILED = 1;
    private static final int ON = 1;

    @VisibleForTesting
    static final long MAX_DELAY_MS = TimeUnit.MINUTES.toMillis(30);

    public static void scheduleAnomalyDetection(Context context, Intent intent) {
        final JobScheduler jobScheduler = context.getSystemService(JobScheduler.class);
        final ComponentName component = new ComponentName(context,
                AnomalyDetectionJobService.class);
        final JobInfo.Builder jobBuilder =
                new JobInfo.Builder(R.id.job_anomaly_detection, component)
                        .setOverrideDeadline(MAX_DELAY_MS);

        if (jobScheduler.enqueue(jobBuilder.build(), new JobWorkItem(intent))
                != JobScheduler.RESULT_SUCCESS) {
            Log.i(TAG, "Anomaly detection job service enqueue failed.");
        }
    }

    @Override
    public boolean onStartJob(JobParameters params) {
        ThreadUtils.postOnBackgroundThread(() -> {
            final BatteryDatabaseManager batteryDatabaseManager =
                    BatteryDatabaseManager.getInstance(this);
            final BatteryTipPolicy policy = new BatteryTipPolicy(this);
            final BatteryUtils batteryUtils = BatteryUtils.getInstance(this);
            final ContentResolver contentResolver = getContentResolver();
            final BatteryStatsHelper batteryStatsHelper = new BatteryStatsHelper(this,
                    true /* collectBatteryBroadcast */);
            final UserManager userManager = getSystemService(UserManager.class);

            for (JobWorkItem item = params.dequeueWork(); item != null;
                    item = params.dequeueWork()) {
                saveAnomalyToDatabase(batteryStatsHelper, userManager, batteryDatabaseManager,
                        batteryUtils, policy, contentResolver,
                        item.getIntent().getExtras());
            }
            jobFinished(params, false /* wantsReschedule */);
        });

        return true;
    }

    @Override
    public boolean onStopJob(JobParameters jobParameters) {
        return false;
    }

    @VisibleForTesting
    void saveAnomalyToDatabase(BatteryStatsHelper batteryStatsHelper, UserManager userManager,
            BatteryDatabaseManager databaseManager, BatteryUtils batteryUtils,
            BatteryTipPolicy policy, ContentResolver contentResolver, Bundle bundle) {
        // The Example of intentDimsValue is: 35:{1:{1:{1:10013|}|}|}
        final StatsDimensionsValue intentDimsValue =
                bundle.getParcelable(StatsManager.EXTRA_STATS_DIMENSIONS_VALUE);
        final long subscriptionId = bundle.getLong(StatsManager.EXTRA_STATS_SUBSCRIPTION_ID,
                -1);
        final long timeMs = bundle.getLong(AnomalyDetectionReceiver.KEY_ANOMALY_TIMESTAMP,
                System.currentTimeMillis());
        Log.i(TAG, "Extra stats value: " + intentDimsValue.toString());

        try {
            final int uid = extractUidFromStatsDimensionsValue(intentDimsValue);
            final int anomalyType = StatsManagerConfig.getAnomalyTypeFromSubscriptionId(
                    subscriptionId);
            final boolean smartBatteryOn = Settings.Global.getInt(contentResolver,
                    Settings.Global.APP_STANDBY_ENABLED, ON) == ON;
            final String packageName = batteryUtils.getPackageName(uid);

            if (anomalyType == StatsManagerConfig.AnomalyType.EXCESSIVE_BG) {
                // TODO(b/72385333): check battery percentage draining in batterystats
                if (batteryUtils.isLegacyApp(packageName) && batteryUtils.isAppHeavilyUsed(
                        batteryStatsHelper, userManager, uid,
                        policy.excessiveBgDrainPercentage)) {
                    Log.e(TAG, "Excessive detected uid=" + uid);
                    batteryUtils.setForceAppStandby(uid, packageName,
                            AppOpsManager.MODE_IGNORED);
                    databaseManager.insertAnomaly(packageName, anomalyType,
                            smartBatteryOn
                                    ? AnomalyDatabaseHelper.State.AUTO_HANDLED
                                    : AnomalyDatabaseHelper.State.NEW,
                            timeMs);
                }
            } else {
                databaseManager.insertAnomaly(packageName, anomalyType,
                        AnomalyDatabaseHelper.State.NEW, timeMs);
            }
        } catch (NullPointerException | IndexOutOfBoundsException e) {
            Log.e(TAG, "Parse stats dimensions value error.", e);
        }
    }

    /**
     * Extract the uid from {@link StatsDimensionsValue}
     *
     * The uid dimension has the format: 1:<int> inside the tuple list. Here are some examples:
     * 1. Excessive bg anomaly: 27:{1:10089|}
     * 2. Wakeup alarm anomaly: 35:{1:{1:{1:10013|}|}|}
     * 3. Bluetooth anomaly:    3:{1:{1:{1:10140|}|}|}
     */
    @VisibleForTesting
    final int extractUidFromStatsDimensionsValue(StatsDimensionsValue statsDimensionsValue) {
        //TODO(b/73172999): Add robo test for this method
        if (statsDimensionsValue == null) {
            return UID_NULL;
        }
        if (statsDimensionsValue.isValueType(INT_VALUE_TYPE)
                && statsDimensionsValue.getField() == STATSD_UID_FILED) {
            // Find out the real uid
            return statsDimensionsValue.getIntValue();
        }
        if (statsDimensionsValue.isValueType(TUPLE_VALUE_TYPE)) {
            final List<StatsDimensionsValue> values = statsDimensionsValue.getTupleValueList();
            for (int i = 0, size = values.size(); i < size; i++) {
                int uid = extractUidFromStatsDimensionsValue(values.get(i));
                if (uid != UID_NULL) {
                    return uid;
                }
            }
        }

        return UID_NULL;
    }
}
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