/*
* Copyright (C) 2006 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.battery_history;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Formatter;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import com.android.internal.app.IBatteryStats;
import com.android.settings.R;
import android.app.Activity;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.BatteryStats;
import android.os.Bundle;
import android.os.Parcel;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.BatteryStats.Timer;
import android.os.BatteryStats.Uid;
import android.util.Log;
import android.util.LogPrinter;
import android.util.SparseArray;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.AdapterView.OnItemSelectedListener;
public class BatteryHistory extends Activity implements OnClickListener, OnItemSelectedListener {
private static final String TAG = "BatteryHistory";
private static final int SECONDS_PER_MINUTE = 60;
private static final int SECONDS_PER_HOUR = 60 * 60;
private static final int SECONDS_PER_DAY = 24 * 60 * 60;
// Must be in sync with the values in res/values/array.xml (id battery_history_type_spinner)
private static final int CPU_USAGE = 0;
private static final int NETWORK_USAGE = 1;
private static final int GPS_USAGE = 2;
private static final int SENSOR_USAGE = 3;
private static final int WAKELOCK_USAGE = 4;
private static final int MISC_USAGE = 5;
// Must be in sync with the values in res/values/array.xml (id battery_history_which_spinner)
private static final int UNPLUGGED = 0;
private static final int CURRENT = 1;
private static final int TOTAL = 2;
private BatteryStats mStats;
private int mWhich = BatteryStats.STATS_UNPLUGGED;
private int mType = MISC_USAGE;
private GraphableButton[] mButtons;
IBatteryStats mBatteryInfo;
private List<CpuUsage> mCpuUsage = new ArrayList<CpuUsage>();
private List<NetworkUsage> mNetworkUsage = new ArrayList<NetworkUsage>();
private List<SensorUsage> mSensorUsage = new ArrayList<SensorUsage>();
private List<SensorUsage> mGpsUsage = new ArrayList<SensorUsage>();
private List<WakelockUsage> mWakelockUsage = new ArrayList<WakelockUsage>();
private List<MiscUsage> mMiscUsage = new ArrayList<MiscUsage>();
private boolean mHaveCpuUsage, mHaveNetworkUsage, mHaveSensorUsage,
mHaveWakelockUsage, mHaveMiscUsage;
private LinearLayout mGraphLayout;
private LinearLayout mTextLayout;
private TextView mMessageText;
private TextView mDetailsText;
private Button mDetailsBackButton;
private Spinner mTypeSpinner;
private Spinner mWhichSpinner;
private boolean mDetailsShown = false;
private static String getLabel(String packageName, PackageManager pm) {
try {
ApplicationInfo ai = pm.getApplicationInfo(packageName, 0);
CharSequence label = ai.loadLabel(pm);
if (label != null) {
return label.toString();
}
} catch (NameNotFoundException e) {
return packageName;
}
return "";
}
void formatTime(double millis, StringBuilder sb) {
int seconds = (int) Math.floor(millis / 1000);
int days = 0, hours = 0, minutes = 0;
if (seconds > SECONDS_PER_DAY) {
days = seconds / SECONDS_PER_DAY;
seconds -= days * SECONDS_PER_DAY;
}
if (seconds > SECONDS_PER_HOUR) {
hours = seconds / SECONDS_PER_HOUR;
seconds -= hours * SECONDS_PER_HOUR;
}
if (seconds > SECONDS_PER_MINUTE) {
minutes = seconds / SECONDS_PER_MINUTE;
seconds -= minutes * SECONDS_PER_MINUTE;
}
if (days > 0) {
sb.append(getString(R.string.battery_history_days, days, hours, minutes, seconds));
} else if (hours > 0) {
sb.append(getString(R.string.battery_history_hours, hours, minutes, seconds));
} else if (minutes > 0) {
sb.append(getString(R.string.battery_history_minutes, minutes, seconds));
} else {
sb.append(getString(R.string.battery_history_seconds, seconds));
}
}
abstract class Graphable implements Comparable<Graphable> {
protected String mName;
protected String mNamePackage;
protected boolean mUniqueName;
protected String[] mPackages;
protected String[] mPackageNames;
public abstract String getLabel();
public abstract double getSortValue();
public abstract double[] getValues();
public abstract void getInfo(StringBuilder info);
public double getMaxValue() {
return -Double.MAX_VALUE;
}
public int compareTo(Graphable o) {
double t = getSortValue();
double ot = o.getSortValue();
if (t < ot) {
// Largest first
return 1;
} else if (t > ot) {
return -1;
} else {
return 0;
}
}
// Side effects: sets mName and mUniqueName
void getNameForUid(int uid) {
PackageManager pm = getPackageManager();
mPackages = pm.getPackagesForUid(uid);
if (mPackages == null) {
mName = Integer.toString(uid);
mNamePackage = null;
return;
}
mPackageNames = new String[mPackages.length];
System.arraycopy(mPackages, 0, mPackageNames, 0, mPackages.length);
// Convert package names to user-facing labels where possible
for (int i = 0; i < mPackageNames.length; i++) {
mPackageNames[i] = BatteryHistory.getLabel(mPackageNames[i], pm);
}
if (mPackageNames.length == 1) {
mNamePackage = mPackages[0];
mName = mPackageNames[0];
mUniqueName = true;
} else {
mName = getString(R.string.battery_history_uid, uid); // Default name
// Look for an official name for this UID.
for (String name : mPackages) {
try {
PackageInfo pi = pm.getPackageInfo(name, 0);
if (pi.sharedUserLabel != 0) {
CharSequence nm = pm.getText(name,
pi.sharedUserLabel, pi.applicationInfo);
if (nm != null) {
mName = nm.toString();
break;
}
}
} catch (PackageManager.NameNotFoundException e) {
}
}
}
}
}
class CpuUsage extends Graphable {
String mProcess;
double[] mUsage;
double mTotalRuntime;
long mStarts;
public CpuUsage(int uid, String process, long userTime, long systemTime,
long starts, long totalRuntime) {
getNameForUid(uid);
mProcess = process;
PackageManager pm = BatteryHistory.this.getPackageManager();
mName = BatteryHistory.getLabel(process, pm);
mUsage = new double[2];
mUsage[0] = userTime;
mUsage[1] = userTime + systemTime;
mTotalRuntime = totalRuntime;
mStarts = starts;
}
public String getLabel() {
return mName;
}
public double getSortValue() {
return mUsage[1];
}
public double[] getValues() {
return mUsage;
}
public double getMaxValue() {
return mTotalRuntime;
}
public void getInfo(StringBuilder info) {
info.append(getString(R.string.battery_history_cpu_usage, mProcess));
info.append("\n\n");
info.append(getString(R.string.battery_history_user_time));
formatTime(mUsage[0] * 10, info);
info.append('\n');
info.append(getString(R.string.battery_history_system_time));
formatTime((mUsage[1] - mUsage[0]) * 10, info);
info.append('\n');
info.append(getString(R.string.battery_history_total_time));
formatTime((mUsage[1]) * 10, info);
info.append('\n');
info.append(getString(R.string.battery_history_starts, mStarts));
}
}
class NetworkUsage extends Graphable {
double[] mUsage;
public NetworkUsage(int uid, long received, long sent) {
getNameForUid(uid);
mUsage = new double[2];
mUsage[0] = received;
mUsage[1] = received + sent;
}
public String getLabel() {
return mName;
}
public double getSortValue() {
return mUsage[1];
}
public double[] getValues() {
return mUsage;
}
public void getInfo(StringBuilder info) {
info.append(getString(R.string.battery_history_network_usage, mName));
info.append("\n\n");
info.append(getString(R.string.battery_history_bytes_received, (long) mUsage[0]));
info.append('\n');
info.append(getString(R.string.battery_history_bytes_sent,
(long) mUsage[1] - (long) mUsage[0]));
info.append('\n');
info.append(getString(R.string.battery_history_bytes_total, (long) mUsage[1]));
if (!mUniqueName) {
info.append("\n\n");
info.append(getString(R.string.battery_history_packages_sharing_this_uid));
info.append('\n');
PackageManager pm = BatteryHistory.this.getPackageManager();
List<String> names = new ArrayList<String>();
for (String name : mPackageNames) {
names.add(BatteryHistory.getLabel(name, pm));
}
Collections.sort(names);
for (String name : names) {
info.append(" ");
info.append(name);
info.append('\n');
}
}
}
}
class SensorUsage extends Graphable {
double[] mUsage;
double mTotalRealtime;
int mCount;
public SensorUsage(int uid, long time, int count, long totalRealtime) {
getNameForUid(uid);
mUsage = new double[1];
mUsage[0] = time;
mTotalRealtime = totalRealtime;
mCount = count;
}
public String getLabel() {
return mName;
}
public double getSortValue() {
return mUsage[0];
}
public double[] getValues() {
return mUsage;
}
public double getMaxValue() {
return mTotalRealtime;
}
public void getInfo(StringBuilder info) {
info.append(getString(R.string.battery_history_sensor));
info.append(mName);
info.append("\n\n");
info.append(getString(R.string.battery_history_total_time));
formatTime(mUsage[0], info);
info.append("\n\n");
}
}
class WakelockUsage extends Graphable {
double[] mUsage;
double mTotalRealtime;
int mCount;
public WakelockUsage(int uid, long time, int count, long totalRealtime) {
getNameForUid(uid);
mUsage = new double[1];
mUsage[0] = time;
mTotalRealtime = totalRealtime;
mCount = count;
}
public String getLabel() {
return mName;
}
public double getSortValue() {
return mUsage[0];
}
public double[] getValues() {
return mUsage;
}
public double getMaxValue() {
return mTotalRealtime;
}
public void getInfo(StringBuilder info) {
info.append(getString(R.string.battery_history_wakelock));
info.append(mName);
info.append("\n\n");
info.append(getString(R.string.battery_history_total_time));
formatTime(mUsage[0], info);
info.append("\n\n");
}
}
class MiscUsage extends Graphable {
int mInfoLabelRes;
String mInfoLabel;
double[] mUsage;
double mTotalRealtime;
public MiscUsage(String name, int infoLabelRes, long value,
long totalRealtime) {
mName = name;
mInfoLabelRes = infoLabelRes;
mUsage = new double[2];
mUsage[0] = value;
mTotalRealtime = totalRealtime;
}
public MiscUsage(String name, String infoLabel, long value,
long totalRealtime) {
mName = name;
mInfoLabel = infoLabel;
mUsage = new double[2];
mUsage[0] = value;
mTotalRealtime = totalRealtime;
}
public String getLabel() {
return mName;
}
public double getSortValue() {
return mUsage[1];
}
public double[] getValues() {
return mUsage;
}
public double getMaxValue() {
return mTotalRealtime;
}
public void getInfo(StringBuilder info) {
info.append(mInfoLabel != null ? mInfoLabel : getString(mInfoLabelRes));
info.append(' ');
formatTime(mUsage[0], info);
info.append(" (");
info.append((mUsage[0]*100)/mTotalRealtime);
info.append("%)");
}
}
private List<? extends Graphable> getGraphRecords() {
switch (mType) {
case CPU_USAGE: return mCpuUsage;
case NETWORK_USAGE : return mNetworkUsage;
case SENSOR_USAGE: return mSensorUsage;
case GPS_USAGE: return mGpsUsage;
case WAKELOCK_USAGE: return mWakelockUsage;
case MISC_USAGE: return mMiscUsage;
default:
return (List<? extends Graphable>) null; // TODO
}
}
private void displayGraph() {
Log.i(TAG, "displayGraph");
collectStatistics();
// Hide the UI and selectively enable it below
mMessageText.setVisibility(View.GONE);
for (int i = 0; i < mButtons.length; i++) {
mButtons[i].setVisibility(View.INVISIBLE);
}
double maxValue = -Double.MAX_VALUE;
List<? extends Graphable> records = getGraphRecords();
for (Graphable g : records) {
double[] values = g.getValues();
maxValue = Math.max(maxValue, values[values.length - 1]);
maxValue = Math.max(maxValue, g.getMaxValue());
}
int[] colors = new int[2];
colors[0] = 0xff0000ff;
colors[1] = 0xffff0000;
for (int i = 0; i < mButtons.length; i++) {
mButtons[i].setVisibility(View.INVISIBLE);
}
int numRecords = Math.min(records.size(), mButtons.length);
if (numRecords == 0) {
mMessageText.setVisibility(View.VISIBLE);
mMessageText.setText(R.string.battery_history_no_data);
} else {
for (int i = 0; i < numRecords; i++) {
Graphable r = records.get(i);
mButtons[i].setText(r.getLabel());
mButtons[i].setValues(r.getValues(), maxValue);
mButtons[i].setVisibility(View.VISIBLE);
}
}
}
private void hideDetails() {
mTextLayout.setVisibility(View.GONE);
mGraphLayout.setVisibility(View.VISIBLE);
mDetailsShown = false;
}
private void showDetails(int id) {
mGraphLayout.setVisibility(View.GONE);
mTextLayout.setVisibility(View.VISIBLE);
StringBuilder info = new StringBuilder();
List<? extends Graphable> records = getGraphRecords();
if (id < records.size()) {
Graphable record = records.get(id);
record.getInfo(info);
} else {
info.append(getString(R.string.battery_history_details_for, id));
}
mDetailsText.setText(info.toString());
mDetailsShown = true;
}
private void processCpuUsage() {
mCpuUsage.clear();
long uSecTime = SystemClock.uptimeMillis() * 1000;
final long uSecNow = mStats.computeBatteryUptime(uSecTime, mWhich) / 1000;
SparseArray<? extends Uid> uidStats = mStats.getUidStats();
final int NU = uidStats.size();
for (int iu = 0; iu < NU; iu++) {
Uid u = uidStats.valueAt(iu);
Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
if (processStats.size() > 0) {
for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
: processStats.entrySet()) {
Uid.Proc ps = ent.getValue();
long userTime = ps.getUserTime(mWhich);
long systemTime = ps.getSystemTime(mWhich);
long starts = ps.getStarts(mWhich);
if (userTime != 0 || systemTime != 0) {
mCpuUsage.add(new CpuUsage(u.getUid(), ent.getKey(),
userTime, systemTime, starts, uSecNow));
}
}
}
}
Collections.sort(mCpuUsage);
}
private void processNetworkUsage() {
mNetworkUsage.clear();
SparseArray<? extends Uid> uidStats = mStats.getUidStats();
final int NU = uidStats.size();
for (int iu = 0; iu < NU; iu++) {
Uid u = uidStats.valueAt(iu);
long received = u.getTcpBytesReceived(mWhich);
long sent = u.getTcpBytesSent(mWhich);
if (received + sent > 0) {
mNetworkUsage.add(new NetworkUsage(u.getUid(), received, sent));
}
}
Collections.sort(mNetworkUsage);
}
private void processSensorUsage() {
mGpsUsage.clear();
mSensorUsage.clear();
long uSecTime = SystemClock.elapsedRealtime() * 1000;
final long uSecNow = mStats.computeBatteryRealtime(uSecTime, mWhich) / 1000;
SparseArray<? extends Uid> uidStats = mStats.getUidStats();
final int NU = uidStats.size();
for (int iu = 0; iu < NU; iu++) {
Uid u = uidStats.valueAt(iu);
int uid = u.getUid();
Map<Integer, ? extends BatteryStats.Uid.Sensor> sensorStats = u.getSensorStats();
long timeGps = 0;
int countGps = 0;
long timeOther = 0;
int countOther = 0;
if (sensorStats.size() > 0) {
for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> ent
: sensorStats.entrySet()) {
Uid.Sensor se = ent.getValue();
int handle = se.getHandle();
Timer timer = se.getSensorTime();
if (timer != null) {
// Convert from microseconds to milliseconds with rounding
long totalTime = (timer.getTotalTimeLocked(uSecNow, mWhich) + 500) / 1000;
int count = timer.getCountLocked(mWhich);
if (handle == BatteryStats.Uid.Sensor.GPS) {
timeGps += totalTime;
countGps += count;
} else {
timeOther += totalTime;
countOther += count;
}
}
}
}
if (timeGps > 0) {
mGpsUsage.add(new SensorUsage(uid, timeGps, countGps, uSecNow));
}
if (timeOther > 0) {
mSensorUsage.add(new SensorUsage(uid, timeOther, countOther, uSecNow));
}
}
Collections.sort(mGpsUsage);
Collections.sort(mSensorUsage);
}
private void processWakelockUsage() {
mWakelockUsage.clear();
long uSecTime = SystemClock.elapsedRealtime() * 1000;
final long uSecNow = mStats.computeBatteryRealtime(uSecTime, mWhich) / 1000;
SparseArray<? extends Uid> uidStats = mStats.getUidStats();
final int NU = uidStats.size();
for (int iu = 0; iu < NU; iu++) {
Uid u = uidStats.valueAt(iu);
int uid = u.getUid();
Map<String, ? extends BatteryStats.Uid.Wakelock> wakelockStats = u.getWakelockStats();
long time = 0;
int count = 0;
if (wakelockStats.size() > 0) {
for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
: wakelockStats.entrySet()) {
Uid.Wakelock wl = ent.getValue();
Timer timer = wl.getWakeTime(BatteryStats.WAKE_TYPE_PARTIAL);
if (timer != null) {
// Convert from microseconds to milliseconds with rounding
time += (timer.getTotalTimeLocked(uSecNow, mWhich) + 500) / 1000;
count += timer.getCountLocked(mWhich);
}
}
}
if (time > 0) {
mWakelockUsage.add(new WakelockUsage(uid, time, count, uSecNow));
}
}
Collections.sort(mWakelockUsage);
}
private final StringBuilder mFormatBuilder = new StringBuilder(8);
private final Formatter mFormatter = new Formatter(mFormatBuilder);
private final String formatRatio(long num, long den) {
if (den == 0L) {
return "---%";
}
float perc = ((float)num) / ((float)den) * 100;
mFormatBuilder.setLength(0);
mFormatter.format("%.1f%%", perc);
return mFormatBuilder.toString();
}
private void processMiscUsage() {
mMiscUsage.clear();
long rawRealtime = SystemClock.elapsedRealtime() * 1000;
final long batteryRealtime = mStats.getBatteryRealtime(rawRealtime);
final long whichRealtime = mStats.computeBatteryRealtime(rawRealtime, mWhich) / 1000;
long time = mStats.computeBatteryUptime(SystemClock.uptimeMillis() * 1000, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage(getString(
R.string.battery_history_awake_label)
+ " (" + formatRatio(time, whichRealtime) + ")",
R.string.battery_history_awake,
time, whichRealtime));
}
time = mStats.getScreenOnTime(batteryRealtime, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage(getString(
R.string.battery_history_screen_on_label)
+ " (" + formatRatio(time, whichRealtime) + ")",
R.string.battery_history_screen_on,
time, whichRealtime));
}
time = mStats.getPhoneOnTime(batteryRealtime, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage(getString(
R.string.battery_history_phone_on_label)
+ " (" + formatRatio(time, whichRealtime) + ")",
R.string.battery_history_phone_on,
time, whichRealtime));
}
time = mStats.getWifiOnTime(batteryRealtime, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage("Wifi On ("
+ formatRatio(time, whichRealtime) + ")",
"Time spent with Wifi on:",
time, whichRealtime));
}
time = mStats.getWifiRunningTime(batteryRealtime, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage("Wifi Running ("
+ formatRatio(time, whichRealtime) + ")",
"Time spent with Wifi running:",
time, whichRealtime));
}
time = mStats.getBluetoothOnTime(batteryRealtime, mWhich) / 1000;
if (time > 0) {
mMiscUsage.add(new MiscUsage("Bluetooth On ("
+ formatRatio(time, whichRealtime) + ")",
"Time spent with Bluetooth on:",
time, whichRealtime));
}
Collections.sort(mMiscUsage);
}
private void collectStatistics() {
if (mType == CPU_USAGE) {
if (!mHaveCpuUsage) {
mHaveCpuUsage = true;
processCpuUsage();
}
}
if (mType == NETWORK_USAGE) {
if (!mHaveNetworkUsage) {
mHaveNetworkUsage = true;
processNetworkUsage();
}
}
if (mType == GPS_USAGE || mType == SENSOR_USAGE) {
if (!mHaveSensorUsage) {
mHaveSensorUsage = true;
processSensorUsage();
}
}
if (mType == WAKELOCK_USAGE) {
if (!mHaveWakelockUsage) {
mHaveWakelockUsage = true;
processWakelockUsage();
}
}
if (mType == MISC_USAGE) {
if (!mHaveMiscUsage) {
mHaveMiscUsage = true;
processMiscUsage();
}
}
}
private void load() {
try {
byte[] data = mBatteryInfo.getStatistics();
Parcel parcel = Parcel.obtain();
//Log.i(TAG, "Got data: " + data.length + " bytes");
parcel.unmarshall(data, 0, data.length);
parcel.setDataPosition(0);
mStats = com.android.internal.os.BatteryStatsImpl.CREATOR
.createFromParcel(parcel);
//Log.i(TAG, "RECEIVED BATTERY INFO:");
//mStats.dumpLocked(new LogPrinter(Log.INFO, TAG));
mHaveCpuUsage = mHaveNetworkUsage = mHaveSensorUsage
= mHaveWakelockUsage = mHaveMiscUsage = false;
} catch (RemoteException e) {
Log.e(TAG, "RemoteException:", e);
}
}
public void onClick(View v) {
if (v == mDetailsBackButton) {
hideDetails();
return;
}
int id = ((Integer) v.getTag()).intValue();
showDetails(id);
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK && mDetailsShown) {
hideDetails();
return true;
}
return super.onKeyDown(keyCode, event);
}
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
int oldWhich = mWhich;
if (parent.equals(mTypeSpinner)) {
mType = position;
} else if (parent.equals(mWhichSpinner)) {
switch (position) {
case UNPLUGGED:
mWhich = BatteryStats.STATS_UNPLUGGED;
break;
case CURRENT:
mWhich = BatteryStats.STATS_CURRENT;
break;
case TOTAL:
mWhich = BatteryStats.STATS_TOTAL;
break;
}
}
if (oldWhich != mWhich) {
mHaveCpuUsage = mHaveNetworkUsage = mHaveSensorUsage
= mHaveWakelockUsage = mHaveMiscUsage = false;
}
displayGraph();
}
public void onNothingSelected(AdapterView<?> parent) {
// Do nothing
}
@Override
public Object onRetainNonConfigurationInstance() {
BatteryStats stats = mStats;
mStats = null;
return stats;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mStats != null) {
outState.putParcelable("stats", mStats);
}
outState.putInt("type", mType);
outState.putInt("which", mWhich);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Log.i(TAG, "onCreate");
setContentView(R.layout.battery_history);
mStats = (BatteryStats)getLastNonConfigurationInstance();
if (icicle != null) {
if (mStats == null) {
mStats = (BatteryStats)icicle.getParcelable("stats");
}
mType = icicle.getInt("type");
mWhich = icicle.getInt("which");
}
mGraphLayout = (LinearLayout) findViewById(R.id.graphLayout);
mTextLayout = (LinearLayout) findViewById(R.id.textLayout);
mDetailsText = (TextView) findViewById(R.id.detailsText);
mMessageText = (TextView) findViewById(R.id.messageText);
mTypeSpinner = (Spinner) findViewById(R.id.typeSpinner);
mTypeSpinner.setSelection(mType);
mTypeSpinner.setOnItemSelectedListener(this);
mWhichSpinner = (Spinner) findViewById(R.id.whichSpinner);
mWhichSpinner.setOnItemSelectedListener(this);
mWhichSpinner.setEnabled(true);
mButtons = new GraphableButton[8];
mButtons[0] = (GraphableButton) findViewById(R.id.button0);
mButtons[1] = (GraphableButton) findViewById(R.id.button1);
mButtons[2] = (GraphableButton) findViewById(R.id.button2);
mButtons[3] = (GraphableButton) findViewById(R.id.button3);
mButtons[4] = (GraphableButton) findViewById(R.id.button4);
mButtons[5] = (GraphableButton) findViewById(R.id.button5);
mButtons[6] = (GraphableButton) findViewById(R.id.button6);
mButtons[7] = (GraphableButton) findViewById(R.id.button7);
for (int i = 0; i < mButtons.length; i++) {
mButtons[i].setTag(i);
mButtons[i].setOnClickListener(this);
}
mBatteryInfo = IBatteryStats.Stub.asInterface(
ServiceManager.getService("batteryinfo"));
if (mStats == null) {
load();
}
displayGraph();
}
}