/*
* Copyright (C) 2009 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;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.graphics.drawable.Drawable;
import android.hardware.SensorManager;
import android.os.BatteryStats;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Parcel;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.BatteryStats.Uid;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuItem;
import com.android.internal.app.IBatteryStats;
import com.android.internal.os.BatteryStatsImpl;
import com.android.internal.os.PowerProfile;
import com.android.settings.R;
import com.android.settings.fuelgauge.PowerUsageDetail.DrainType;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Displays a list of apps and subsystems that consume power, ordered by how much power was
* consumed since the last time it was unplugged.
*/
public class PowerUsageSummary extends PreferenceActivity implements Runnable {
private static final boolean DEBUG = false;
private static final String TAG = "PowerUsageSummary";
private static final int MENU_STATS_TYPE = Menu.FIRST;
private static final int MENU_STATS_REFRESH = Menu.FIRST + 1;
IBatteryStats mBatteryInfo;
BatteryStatsImpl mStats;
private List<BatterySipper> mUsageList = new ArrayList<BatterySipper>();
private PreferenceGroup mAppListGroup;
private int mStatsType = BatteryStats.STATS_UNPLUGGED;
private static final int MIN_POWER_THRESHOLD = 5;
private static final int MAX_ITEMS_TO_LIST = 10;
private long mStatsPeriod = 0;
private double mMaxPower = 1;
private double mTotalPower;
private PowerProfile mPowerProfile;
private HashMap<String,UidToDetail> mUidCache = new HashMap<String,UidToDetail>();
/** Queue for fetching name and icon for an application */
private ArrayList<BatterySipper> mRequestQueue = new ArrayList<BatterySipper>();
private Thread mRequestThread;
private boolean mAbort;
static class UidToDetail {
String name;
String packageName;
Drawable icon;
}
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.power_usage_summary);
mBatteryInfo = IBatteryStats.Stub.asInterface(
ServiceManager.getService("batteryinfo"));
mAppListGroup = (PreferenceGroup) findPreference("app_list");
mPowerProfile = new PowerProfile(this);
}
@Override
protected void onResume() {
super.onResume();
mAbort = false;
refreshStats();
}
@Override
protected void onPause() {
synchronized (mRequestQueue) {
mAbort = true;
}
mHandler.removeMessages(MSG_UPDATE_NAME_ICON);
super.onPause();
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
PowerGaugePreference pgp = (PowerGaugePreference) preference;
BatterySipper sipper = pgp.getInfo();
Intent intent = new Intent(this, PowerUsageDetail.class);
intent.putExtra(PowerUsageDetail.EXTRA_TITLE, sipper.name);
intent.putExtra(PowerUsageDetail.EXTRA_PERCENT, (int)
Math.ceil(sipper.getSortValue() * 100 / mTotalPower));
intent.putExtra(PowerUsageDetail.EXTRA_GAUGE, (int)
Math.ceil(sipper.getSortValue() * 100 / mMaxPower));
intent.putExtra(PowerUsageDetail.EXTRA_USAGE_DURATION, mStatsPeriod);
intent.putExtra(PowerUsageDetail.EXTRA_ICON_PACKAGE, sipper.defaultPackageName);
intent.putExtra(PowerUsageDetail.EXTRA_ICON_ID, sipper.iconId);
intent.putExtra(PowerUsageDetail.EXTRA_NO_COVERAGE, sipper.noCoveragePercent);
if (sipper.uidObj != null) {
intent.putExtra(PowerUsageDetail.EXTRA_UID, sipper.uidObj.getUid());
}
intent.putExtra(PowerUsageDetail.EXTRA_DRAIN_TYPE, sipper.drainType);
int[] types;
double[] values;
switch (sipper.drainType) {
case APP:
{
Uid uid = sipper.uidObj;
types = new int[] {
R.string.usage_type_cpu,
R.string.usage_type_cpu_foreground,
R.string.usage_type_gps,
R.string.usage_type_data_send,
R.string.usage_type_data_recv,
R.string.usage_type_audio,
R.string.usage_type_video,
};
values = new double[] {
sipper.cpuTime,
sipper.cpuFgTime,
sipper.gpsTime,
uid != null? uid.getTcpBytesSent(mStatsType) : 0,
uid != null? uid.getTcpBytesReceived(mStatsType) : 0,
0,
0
};
Writer result = new StringWriter();
PrintWriter printWriter = new PrintWriter(result);
mStats.dumpLocked(printWriter, "", mStatsType, uid.getUid());
intent.putExtra(PowerUsageDetail.EXTRA_REPORT_DETAILS, result.toString());
result = new StringWriter();
printWriter = new PrintWriter(result);
mStats.dumpCheckinLocked(printWriter, mStatsType, uid.getUid());
intent.putExtra(PowerUsageDetail.EXTRA_REPORT_CHECKIN_DETAILS, result.toString());
}
break;
case CELL:
{
types = new int[] {
R.string.usage_type_on_time,
R.string.usage_type_no_coverage
};
values = new double[] {
sipper.usageTime,
sipper.noCoveragePercent
};
}
break;
default:
{
types = new int[] {
R.string.usage_type_on_time
};
values = new double[] {
sipper.usageTime
};
}
}
intent.putExtra(PowerUsageDetail.EXTRA_DETAIL_TYPES, types);
intent.putExtra(PowerUsageDetail.EXTRA_DETAIL_VALUES, values);
startActivity(intent);
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (DEBUG) {
menu.add(0, MENU_STATS_TYPE, 0, R.string.menu_stats_total)
.setIcon(com.android.internal.R.drawable.ic_menu_info_details)
.setAlphabeticShortcut('t');
}
menu.add(0, MENU_STATS_REFRESH, 0, R.string.menu_stats_refresh)
.setIcon(com.android.internal.R.drawable.ic_menu_refresh)
.setAlphabeticShortcut('r');
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (DEBUG) {
menu.findItem(MENU_STATS_TYPE).setTitle(mStatsType == BatteryStats.STATS_TOTAL
? R.string.menu_stats_unplugged
: R.string.menu_stats_total);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_STATS_TYPE:
if (mStatsType == BatteryStats.STATS_TOTAL) {
mStatsType = BatteryStats.STATS_UNPLUGGED;
} else {
mStatsType = BatteryStats.STATS_TOTAL;
}
refreshStats();
return true;
case MENU_STATS_REFRESH:
mStats = null;
refreshStats();
return true;
default:
return false;
}
}
private void refreshStats() {
if (mStats == null) {
load();
}
mMaxPower = 0;
mTotalPower = 0;
mAppListGroup.removeAll();
mUsageList.clear();
processAppUsage();
processMiscUsage();
mAppListGroup.setOrderingAsAdded(false);
Collections.sort(mUsageList);
for (BatterySipper sipper : mUsageList) {
if (sipper.getSortValue() < MIN_POWER_THRESHOLD) continue;
final double percentOfTotal = ((sipper.getSortValue() / mTotalPower) * 100);
if (percentOfTotal < 1) continue;
PowerGaugePreference pref = new PowerGaugePreference(this, sipper.getIcon(), sipper);
double percentOfMax = (sipper.getSortValue() * 100) / mMaxPower;
sipper.percent = percentOfTotal;
pref.setTitle(sipper.name);
pref.setPercent(percentOfTotal);
pref.setOrder(Integer.MAX_VALUE - (int) sipper.getSortValue()); // Invert the order
pref.setGaugeValue(percentOfMax);
if (sipper.uidObj != null) {
pref.setKey(Integer.toString(sipper.uidObj.getUid()));
}
mAppListGroup.addPreference(pref);
if (mAppListGroup.getPreferenceCount() > MAX_ITEMS_TO_LIST) break;
}
if (DEBUG) setTitle("Battery total uAh = " + ((mTotalPower * 1000) / 3600));
synchronized (mRequestQueue) {
if (!mRequestQueue.isEmpty()) {
if (mRequestThread == null) {
mRequestThread = new Thread(this, "BatteryUsage Icon Loader");
mRequestThread.setPriority(Thread.MIN_PRIORITY);
mRequestThread.start();
}
mRequestQueue.notify();
}
}
}
private void updateStatsPeriod(long duration) {
String durationString = Utils.formatElapsedTime(this, duration / 1000);
String label = getString(mStats.isOnBattery()
? R.string.battery_stats_duration
: R.string.battery_stats_last_duration, durationString);
setTitle(label);
}
private void processAppUsage() {
SensorManager sensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
final int which = mStatsType;
final int speedSteps = mPowerProfile.getNumSpeedSteps();
final double[] powerCpuNormal = new double[speedSteps];
final long[] cpuSpeedStepTimes = new long[speedSteps];
for (int p = 0; p < speedSteps; p++) {
powerCpuNormal[p] = mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_ACTIVE, p);
}
final double averageCostPerByte = getAverageDataCost();
long uSecTime = mStats.computeBatteryRealtime(SystemClock.elapsedRealtime() * 1000, which);
mStatsPeriod = uSecTime;
updateStatsPeriod(uSecTime);
SparseArray<? extends Uid> uidStats = mStats.getUidStats();
final int NU = uidStats.size();
for (int iu = 0; iu < NU; iu++) {
Uid u = uidStats.valueAt(iu);
double power = 0;
double highestDrain = 0;
String packageWithHighestDrain = null;
//mUsageList.add(new AppUsage(u.getUid(), new double[] {power}));
Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
long cpuTime = 0;
long cpuFgTime = 0;
long gpsTime = 0;
if (processStats.size() > 0) {
// Process CPU time
for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
: processStats.entrySet()) {
if (DEBUG) Log.i(TAG, "Process name = " + ent.getKey());
Uid.Proc ps = ent.getValue();
final long userTime = ps.getUserTime(which);
final long systemTime = ps.getSystemTime(which);
final long foregroundTime = ps.getForegroundTime(which);
cpuFgTime += foregroundTime * 10; // convert to millis
final long tmpCpuTime = (userTime + systemTime) * 10; // convert to millis
int totalTimeAtSpeeds = 0;
// Get the total first
for (int step = 0; step < speedSteps; step++) {
cpuSpeedStepTimes[step] = ps.getTimeAtCpuSpeedStep(step, which);
totalTimeAtSpeeds += cpuSpeedStepTimes[step];
}
if (totalTimeAtSpeeds == 0) totalTimeAtSpeeds = 1;
// Then compute the ratio of time spent at each speed
double processPower = 0;
for (int step = 0; step < speedSteps; step++) {
double ratio = (double) cpuSpeedStepTimes[step] / totalTimeAtSpeeds;
processPower += ratio * tmpCpuTime * powerCpuNormal[step];
}
cpuTime += tmpCpuTime;
power += processPower;
if (highestDrain < processPower) {
highestDrain = processPower;
packageWithHighestDrain = ent.getKey();
}
}
if (DEBUG) Log.i(TAG, "Max drain of " + highestDrain
+ " by " + packageWithHighestDrain);
}
if (cpuFgTime > cpuTime) {
if (DEBUG && cpuFgTime > cpuTime + 10000) {
Log.i(TAG, "WARNING! Cputime is more than 10 seconds behind Foreground time");
}
cpuTime = cpuFgTime; // Statistics may not have been gathered yet.
}
power /= 1000;
// Add cost of data traffic
power += (u.getTcpBytesReceived(mStatsType) + u.getTcpBytesSent(mStatsType))
* averageCostPerByte;
// Process Sensor usage
Map<Integer, ? extends BatteryStats.Uid.Sensor> sensorStats = u.getSensorStats();
for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> sensorEntry
: sensorStats.entrySet()) {
Uid.Sensor sensor = sensorEntry.getValue();
int sensorType = sensor.getHandle();
BatteryStats.Timer timer = sensor.getSensorTime();
long sensorTime = timer.getTotalTimeLocked(uSecTime, which) / 1000;
double multiplier = 0;
switch (sensorType) {
case Uid.Sensor.GPS:
multiplier = mPowerProfile.getAveragePower(PowerProfile.POWER_GPS_ON);
gpsTime = sensorTime;
break;
default:
android.hardware.Sensor sensorData =
sensorManager.getDefaultSensor(sensorType);
if (sensorData != null) {
multiplier = sensorData.getPower();
if (DEBUG) {
Log.i(TAG, "Got sensor " + sensorData.getName() + " with power = "
+ multiplier);
}
}
}
power += (multiplier * sensorTime) / 1000;
}
// Add the app to the list if it is consuming power
if (power != 0) {
BatterySipper app = new BatterySipper(packageWithHighestDrain, DrainType.APP, 0, u,
new double[] {power});
app.cpuTime = cpuTime;
app.gpsTime = gpsTime;
app.cpuFgTime = cpuFgTime;
mUsageList.add(app);
}
if (power > mMaxPower) mMaxPower = power;
mTotalPower += power;
if (DEBUG) Log.i(TAG, "Added power = " + power);
}
}
private void addPhoneUsage(long uSecNow) {
long phoneOnTimeMs = mStats.getPhoneOnTime(uSecNow, mStatsType) / 1000;
double phoneOnPower = mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ACTIVE)
* phoneOnTimeMs / 1000;
addEntry(getString(R.string.power_phone), DrainType.PHONE, phoneOnTimeMs,
R.drawable.ic_settings_voice_calls, phoneOnPower);
}
private void addScreenUsage(long uSecNow) {
double power = 0;
long screenOnTimeMs = mStats.getScreenOnTime(uSecNow, mStatsType) / 1000;
power += screenOnTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_SCREEN_ON);
final double screenFullPower =
mPowerProfile.getAveragePower(PowerProfile.POWER_SCREEN_FULL);
for (int i = 0; i < BatteryStats.NUM_SCREEN_BRIGHTNESS_BINS; i++) {
double screenBinPower = screenFullPower * (i + 0.5f)
/ BatteryStats.NUM_SCREEN_BRIGHTNESS_BINS;
long brightnessTime = mStats.getScreenBrightnessTime(i, uSecNow, mStatsType) / 1000;
power += screenBinPower * brightnessTime;
if (DEBUG) {
Log.i(TAG, "Screen bin power = " + (int) screenBinPower + ", time = "
+ brightnessTime);
}
}
power /= 1000; // To seconds
addEntry(getString(R.string.power_screen), DrainType.SCREEN, screenOnTimeMs,
R.drawable.ic_settings_display, power);
}
private void addRadioUsage(long uSecNow) {
double power = 0;
final int BINS = BatteryStats.NUM_SIGNAL_STRENGTH_BINS;
long signalTimeMs = 0;
for (int i = 0; i < BINS; i++) {
long strengthTimeMs = mStats.getPhoneSignalStrengthTime(i, uSecNow, mStatsType) / 1000;
power += strengthTimeMs / 1000
* mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ON, i);
signalTimeMs += strengthTimeMs;
}
long scanningTimeMs = mStats.getPhoneSignalScanningTime(uSecNow, mStatsType) / 1000;
power += scanningTimeMs / 1000 * mPowerProfile.getAveragePower(
PowerProfile.POWER_RADIO_SCANNING);
BatterySipper bs =
addEntry(getString(R.string.power_cell), DrainType.CELL, signalTimeMs,
R.drawable.ic_settings_cell_standby, power);
if (signalTimeMs != 0) {
bs.noCoveragePercent = mStats.getPhoneSignalStrengthTime(0, uSecNow, mStatsType)
/ 1000 * 100.0 / signalTimeMs;
}
}
private void addWiFiUsage(long uSecNow) {
long onTimeMs = mStats.getWifiOnTime(uSecNow, mStatsType) / 1000;
long runningTimeMs = mStats.getWifiRunningTime(uSecNow, mStatsType) / 1000;
double wifiPower = (onTimeMs * 0 /* TODO */
* mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ON)
+ runningTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ON)) / 1000;
addEntry(getString(R.string.power_wifi), DrainType.WIFI, runningTimeMs,
R.drawable.ic_settings_wifi, wifiPower);
}
private void addIdleUsage(long uSecNow) {
long idleTimeMs = (uSecNow - mStats.getScreenOnTime(uSecNow, mStatsType)) / 1000;
double idlePower = (idleTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_IDLE))
/ 1000;
addEntry(getString(R.string.power_idle), DrainType.IDLE, idleTimeMs,
R.drawable.ic_settings_phone_idle, idlePower);
}
private void addBluetoothUsage(long uSecNow) {
long btOnTimeMs = mStats.getBluetoothOnTime(uSecNow, mStatsType) / 1000;
double btPower = btOnTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_BLUETOOTH_ON)
/ 1000;
int btPingCount = mStats.getBluetoothPingCount();
btPower += (btPingCount
* mPowerProfile.getAveragePower(PowerProfile.POWER_BLUETOOTH_AT_CMD)) / 1000;
addEntry(getString(R.string.power_bluetooth), DrainType.BLUETOOTH, btOnTimeMs,
R.drawable.ic_settings_bluetooth, btPower);
}
private double getAverageDataCost() {
final long WIFI_BPS = 1000000; // TODO: Extract average bit rates from system
final long MOBILE_BPS = 200000; // TODO: Extract average bit rates from system
final double WIFI_POWER = mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ACTIVE)
/ 3600;
final double MOBILE_POWER = mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ACTIVE)
/ 3600;
final long mobileData = mStats.getMobileTcpBytesReceived(mStatsType) +
mStats.getMobileTcpBytesSent(mStatsType);
final long wifiData = mStats.getTotalTcpBytesReceived(mStatsType) +
mStats.getTotalTcpBytesSent(mStatsType) - mobileData;
final long radioDataUptimeMs = mStats.getRadioDataUptime() / 1000;
final long mobileBps = radioDataUptimeMs != 0
? mobileData * 8 * 1000 / radioDataUptimeMs
: MOBILE_BPS;
double mobileCostPerByte = MOBILE_POWER / (mobileBps / 8);
double wifiCostPerByte = WIFI_POWER / (WIFI_BPS / 8);
if (wifiData + mobileData != 0) {
return (mobileCostPerByte * mobileData + wifiCostPerByte * wifiData)
/ (mobileData + wifiData);
} else {
return 0;
}
}
private void processMiscUsage() {
final int which = mStatsType;
long uSecTime = SystemClock.elapsedRealtime() * 1000;
final long uSecNow = mStats.computeBatteryRealtime(uSecTime, which);
final long timeSinceUnplugged = uSecNow;
if (DEBUG) {
Log.i(TAG, "Uptime since last unplugged = " + (timeSinceUnplugged / 1000));
}
addPhoneUsage(uSecNow);
addScreenUsage(uSecNow);
addWiFiUsage(uSecNow);
addBluetoothUsage(uSecNow);
addIdleUsage(uSecNow); // Not including cellular idle power
addRadioUsage(uSecNow);
}
private BatterySipper addEntry(String label, DrainType drainType, long time, int iconId,
double power) {
if (power > mMaxPower) mMaxPower = power;
mTotalPower += power;
BatterySipper bs = new BatterySipper(label, drainType, iconId, null, new double[] {power});
bs.usageTime = time;
bs.iconId = iconId;
mUsageList.add(bs);
return bs;
}
private void load() {
try {
byte[] data = mBatteryInfo.getStatistics();
Parcel parcel = Parcel.obtain();
parcel.unmarshall(data, 0, data.length);
parcel.setDataPosition(0);
mStats = com.android.internal.os.BatteryStatsImpl.CREATOR
.createFromParcel(parcel);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException:", e);
}
}
class BatterySipper implements Comparable<BatterySipper> {
String name;
Drawable icon;
int iconId; // For passing to the detail screen.
Uid uidObj;
double value;
double[] values;
DrainType drainType;
long usageTime;
long cpuTime;
long gpsTime;
long cpuFgTime;
double percent;
double noCoveragePercent;
String defaultPackageName;
BatterySipper(String label, DrainType drainType, int iconId, Uid uid, double[] values) {
this.values = values;
name = label;
this.drainType = drainType;
if (iconId > 0) {
icon = getResources().getDrawable(iconId);
}
if (values != null) value = values[0];
if ((label == null || iconId == 0) && uid != null) {
getQuickNameIconForUid(uid);
}
uidObj = uid;
}
double getSortValue() {
return value;
}
double[] getValues() {
return values;
}
Drawable getIcon() {
return icon;
}
public int compareTo(BatterySipper other) {
// Return the flipped value because we want the items in descending order
return (int) (other.getSortValue() - getSortValue());
}
void getQuickNameIconForUid(Uid uidObj) {
final int uid = uidObj.getUid();
final String uidString = Integer.toString(uid);
if (mUidCache.containsKey(uidString)) {
UidToDetail utd = mUidCache.get(uidString);
defaultPackageName = utd.packageName;
name = utd.name;
icon = utd.icon;
return;
}
PackageManager pm = getPackageManager();
final Drawable defaultActivityIcon = pm.getDefaultActivityIcon();
String[] packages = pm.getPackagesForUid(uid);
icon = pm.getDefaultActivityIcon();
if (packages == null) {
//name = Integer.toString(uid);
if (uid == 0) {
name = getResources().getString(R.string.process_kernel_label);
} else if ("mediaserver".equals(name)) {
name = getResources().getString(R.string.process_mediaserver_label);
}
iconId = R.drawable.ic_power_system;
icon = getResources().getDrawable(iconId);
return;
} else {
//name = packages[0];
}
synchronized (mRequestQueue) {
mRequestQueue.add(this);
}
}
/**
* Sets name and icon
* @param uid Uid of the application
*/
void getNameIcon() {
PackageManager pm = getPackageManager();
final int uid = uidObj.getUid();
final Drawable defaultActivityIcon = pm.getDefaultActivityIcon();
String[] packages = pm.getPackagesForUid(uid);
if (packages == null) {
name = Integer.toString(uid);
return;
}
String[] packageLabels = new String[packages.length];
System.arraycopy(packages, 0, packageLabels, 0, packages.length);
int preferredIndex = -1;
// Convert package names to user-facing labels where possible
for (int i = 0; i < packageLabels.length; i++) {
// Check if package matches preferred package
if (packageLabels[i].equals(name)) preferredIndex = i;
try {
ApplicationInfo ai = pm.getApplicationInfo(packageLabels[i], 0);
CharSequence label = ai.loadLabel(pm);
if (label != null) {
packageLabels[i] = label.toString();
}
if (ai.icon != 0) {
defaultPackageName = packages[i];
icon = ai.loadIcon(pm);
break;
}
} catch (NameNotFoundException e) {
}
}
if (icon == null) icon = defaultActivityIcon;
if (packageLabels.length == 1) {
name = packageLabels[0];
} else {
// Look for an official name for this UID.
for (String pkgName : packages) {
try {
final PackageInfo pi = pm.getPackageInfo(pkgName, 0);
if (pi.sharedUserLabel != 0) {
final CharSequence nm = pm.getText(pkgName,
pi.sharedUserLabel, pi.applicationInfo);
if (nm != null) {
name = nm.toString();
if (pi.applicationInfo.icon != 0) {
defaultPackageName = pkgName;
icon = pi.applicationInfo.loadIcon(pm);
}
break;
}
}
} catch (PackageManager.NameNotFoundException e) {
}
}
}
final String uidString = Integer.toString(uidObj.getUid());
UidToDetail utd = new UidToDetail();
utd.name = name;
utd.icon = icon;
utd.packageName = defaultPackageName;
mUidCache.put(uidString, utd);
mHandler.sendMessage(mHandler.obtainMessage(MSG_UPDATE_NAME_ICON, this));
}
}
public void run() {
while (true) {
BatterySipper bs;
synchronized (mRequestQueue) {
if (mRequestQueue.isEmpty() || mAbort) {
mRequestThread = null;
return;
}
bs = mRequestQueue.remove(0);
}
bs.getNameIcon();
}
}
private static final int MSG_UPDATE_NAME_ICON = 1;
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_NAME_ICON:
BatterySipper bs = (BatterySipper) msg.obj;
PowerGaugePreference pgp =
(PowerGaugePreference) findPreference(
Integer.toString(bs.uidObj.getUid()));
if (pgp != null) {
pgp.setIcon(bs.icon);
pgp.setPercent(bs.percent);
pgp.setTitle(bs.name);
}
break;
}
super.handleMessage(msg);
}
};
}