/*
* Copyright (C) 2013 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.applications;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.app.AlertDialog;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ServiceInfo;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Process;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceCategory;
import android.text.format.Formatter;
import android.util.ArrayMap;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.AppHeader;
import com.android.settings.CancellablePreference;
import com.android.settings.CancellablePreference.OnCancelListener;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.SummaryPreference;
import com.android.settings.applications.ProcStatsEntry.Service;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
public class ProcessStatsDetail extends SettingsPreferenceFragment {
private static final String TAG = "ProcessStatsDetail";
public static final int MENU_FORCE_STOP = 1;
public static final String EXTRA_PACKAGE_ENTRY = "package_entry";
public static final String EXTRA_WEIGHT_TO_RAM = "weight_to_ram";
public static final String EXTRA_TOTAL_TIME = "total_time";
public static final String EXTRA_MAX_MEMORY_USAGE = "max_memory_usage";
public static final String EXTRA_TOTAL_SCALE = "total_scale";
private static final String KEY_DETAILS_HEADER = "status_header";
private static final String KEY_FREQUENCY = "frequency";
private static final String KEY_MAX_USAGE = "max_usage";
private static final String KEY_PROCS = "processes";
private final ArrayMap<ComponentName, CancellablePreference> mServiceMap = new ArrayMap<>();
private PackageManager mPm;
private DevicePolicyManager mDpm;
private MenuItem mForceStop;
private ProcStatsPackageEntry mApp;
private double mWeightToRam;
private long mTotalTime;
private long mOnePercentTime;
private double mMaxMemoryUsage;
private double mTotalScale;
private PreferenceCategory mProcGroup;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mPm = getActivity().getPackageManager();
mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
final Bundle args = getArguments();
mApp = args.getParcelable(EXTRA_PACKAGE_ENTRY);
mApp.retrieveUiData(getActivity(), mPm);
mWeightToRam = args.getDouble(EXTRA_WEIGHT_TO_RAM);
mTotalTime = args.getLong(EXTRA_TOTAL_TIME);
mMaxMemoryUsage = args.getDouble(EXTRA_MAX_MEMORY_USAGE);
mTotalScale = args.getDouble(EXTRA_TOTAL_SCALE);
mOnePercentTime = mTotalTime/100;
mServiceMap.clear();
createDetails();
setHasOptionsMenu(true);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
if (mApp.mUiTargetApp == null) {
finish();
return;
}
AppHeader.createAppHeader(this,
mApp.mUiTargetApp != null ? mApp.mUiTargetApp.loadIcon(mPm) : new ColorDrawable(0),
mApp.mUiLabel, mApp.mPackage, mApp.mUiTargetApp.uid);
}
@Override
protected int getMetricsCategory() {
return MetricsEvent.APPLICATIONS_PROCESS_STATS_DETAIL;
}
@Override
public void onResume() {
super.onResume();
checkForceStop();
updateRunningServices();
}
private void updateRunningServices() {
ActivityManager activityManager = (ActivityManager)
getActivity().getSystemService(Context.ACTIVITY_SERVICE);
List<RunningServiceInfo> runningServices =
activityManager.getRunningServices(Integer.MAX_VALUE);
// Set all services as not running, then turn back on the ones we find.
int N = mServiceMap.size();
for (int i = 0; i < N; i++) {
mServiceMap.valueAt(i).setCancellable(false);
}
N = runningServices.size();
for (int i = 0; i < N; i++) {
RunningServiceInfo runningService = runningServices.get(i);
if (!runningService.started && runningService.clientLabel == 0) {
continue;
}
if ((runningService.flags & RunningServiceInfo.FLAG_PERSISTENT_PROCESS) != 0) {
continue;
}
final ComponentName service = runningService.service;
CancellablePreference pref = mServiceMap.get(service);
if (pref != null) {
pref.setOnCancelListener(new OnCancelListener() {
@Override
public void onCancel(CancellablePreference preference) {
stopService(service.getPackageName(), service.getClassName());
}
});
pref.setCancellable(true);
}
}
}
private void createDetails() {
addPreferencesFromResource(R.xml.app_memory_settings);
mProcGroup = (PreferenceCategory) findPreference(KEY_PROCS);
fillProcessesSection();
SummaryPreference summaryPreference = (SummaryPreference) findPreference(KEY_DETAILS_HEADER);
// TODO: Find way to share this code with ProcessStatsPreference.
boolean statsForeground = mApp.mRunWeight > mApp.mBgWeight;
double avgRam = (statsForeground ? mApp.mRunWeight : mApp.mBgWeight) * mWeightToRam;
float avgRatio = (float) (avgRam / mMaxMemoryUsage);
float remainingRatio = 1 - avgRatio;
Context context = getActivity();
summaryPreference.setRatios(avgRatio, 0, remainingRatio);
Formatter.BytesResult usedResult = Formatter.formatBytes(context.getResources(),
(long) avgRam, Formatter.FLAG_SHORTER);
summaryPreference.setAmount(usedResult.value);
summaryPreference.setUnits(usedResult.units);
long duration = Math.max(mApp.mRunDuration, mApp.mBgDuration);
CharSequence frequency = ProcStatsPackageEntry.getFrequency(duration
/ (float) mTotalTime, getActivity());
findPreference(KEY_FREQUENCY).setSummary(frequency);
double max = Math.max(mApp.mMaxBgMem, mApp.mMaxRunMem) * mTotalScale * 1024;
findPreference(KEY_MAX_USAGE).setSummary(
Formatter.formatShortFileSize(getContext(), (long) max));
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
mForceStop = menu.add(0, MENU_FORCE_STOP, 0, R.string.force_stop);
checkForceStop();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_FORCE_STOP:
killProcesses();
return true;
}
return false;
}
final static Comparator<ProcStatsEntry> sEntryCompare = new Comparator<ProcStatsEntry>() {
@Override
public int compare(ProcStatsEntry lhs, ProcStatsEntry rhs) {
if (lhs.mRunWeight < rhs.mRunWeight) {
return 1;
} else if (lhs.mRunWeight > rhs.mRunWeight) {
return -1;
}
return 0;
}
};
private void fillProcessesSection() {
mProcGroup.removeAll();
final ArrayList<ProcStatsEntry> entries = new ArrayList<>();
for (int ie = 0; ie < mApp.mEntries.size(); ie++) {
ProcStatsEntry entry = mApp.mEntries.get(ie);
if (entry.mPackage.equals("os")) {
entry.mLabel = entry.mName;
} else {
entry.mLabel = getProcessName(mApp.mUiLabel, entry);
}
entries.add(entry);
}
Collections.sort(entries, sEntryCompare);
for (int ie = 0; ie < entries.size(); ie++) {
ProcStatsEntry entry = entries.get(ie);
Preference processPref = new Preference(getPrefContext());
processPref.setTitle(entry.mLabel);
processPref.setSelectable(false);
long duration = Math.max(entry.mRunDuration, entry.mBgDuration);
long memoryUse = Math.max((long) (entry.mRunWeight * mWeightToRam),
(long) (entry.mBgWeight * mWeightToRam));
String memoryString = Formatter.formatShortFileSize(getActivity(), memoryUse);
CharSequence frequency = ProcStatsPackageEntry.getFrequency(duration
/ (float) mTotalTime, getActivity());
processPref.setSummary(
getString(R.string.memory_use_running_format, memoryString, frequency));
mProcGroup.addPreference(processPref);
}
if (mProcGroup.getPreferenceCount() < 2) {
getPreferenceScreen().removePreference(mProcGroup);
}
}
private static String capitalize(String processName) {
char c = processName.charAt(0);
if (!Character.isLowerCase(c)) {
return processName;
}
return Character.toUpperCase(c) + processName.substring(1);
}
private static String getProcessName(String appLabel, ProcStatsEntry entry) {
String processName = entry.mName;
if (processName.contains(":")) {
return capitalize(processName.substring(processName.lastIndexOf(':') + 1));
}
if (processName.startsWith(entry.mPackage)) {
if (processName.length() == entry.mPackage.length()) {
return appLabel;
}
int start = entry.mPackage.length();
if (processName.charAt(start) == '.') {
start++;
}
return capitalize(processName.substring(start));
}
return processName;
}
final static Comparator<ProcStatsEntry.Service> sServiceCompare
= new Comparator<ProcStatsEntry.Service>() {
@Override
public int compare(ProcStatsEntry.Service lhs, ProcStatsEntry.Service rhs) {
if (lhs.mDuration < rhs.mDuration) {
return 1;
} else if (lhs.mDuration > rhs.mDuration) {
return -1;
}
return 0;
}
};
final static Comparator<PkgService> sServicePkgCompare = new Comparator<PkgService>() {
@Override
public int compare(PkgService lhs, PkgService rhs) {
if (lhs.mDuration < rhs.mDuration) {
return 1;
} else if (lhs.mDuration > rhs.mDuration) {
return -1;
}
return 0;
}
};
static class PkgService {
final ArrayList<ProcStatsEntry.Service> mServices = new ArrayList<>();
long mDuration;
}
private void fillServicesSection(ProcStatsEntry entry, PreferenceCategory processPref) {
final HashMap<String, PkgService> pkgServices = new HashMap<>();
final ArrayList<PkgService> pkgList = new ArrayList<>();
for (int ip = 0; ip < entry.mServices.size(); ip++) {
String pkg = entry.mServices.keyAt(ip);
PkgService psvc = null;
ArrayList<ProcStatsEntry.Service> services = entry.mServices.valueAt(ip);
for (int is=services.size()-1; is>=0; is--) {
ProcStatsEntry.Service pent = services.get(is);
if (pent.mDuration >= mOnePercentTime) {
if (psvc == null) {
psvc = pkgServices.get(pkg);
if (psvc == null) {
psvc = new PkgService();
pkgServices.put(pkg, psvc);
pkgList.add(psvc);
}
}
psvc.mServices.add(pent);
psvc.mDuration += pent.mDuration;
}
}
}
Collections.sort(pkgList, sServicePkgCompare);
for (int ip = 0; ip < pkgList.size(); ip++) {
ArrayList<ProcStatsEntry.Service> services = pkgList.get(ip).mServices;
Collections.sort(services, sServiceCompare);
for (int is=0; is<services.size(); is++) {
final ProcStatsEntry.Service service = services.get(is);
CharSequence label = getLabel(service);
CancellablePreference servicePref = new CancellablePreference(getPrefContext());
servicePref.setSelectable(false);
servicePref.setTitle(label);
servicePref.setSummary(ProcStatsPackageEntry.getFrequency(
service.mDuration / (float) mTotalTime, getActivity()));
processPref.addPreference(servicePref);
mServiceMap.put(new ComponentName(service.mPackage, service.mName), servicePref);
}
}
}
private CharSequence getLabel(Service service) {
// Try to get the service label, on the off chance that one exists.
try {
ServiceInfo serviceInfo = getPackageManager().getServiceInfo(
new ComponentName(service.mPackage, service.mName), 0);
if (serviceInfo.labelRes != 0) {
return serviceInfo.loadLabel(getPackageManager());
}
} catch (NameNotFoundException e) {
}
String label = service.mName;
int tail = label.lastIndexOf('.');
if (tail >= 0 && tail < (label.length()-1)) {
label = label.substring(tail+1);
}
return label;
}
private void stopService(String pkg, String name) {
try {
ApplicationInfo appInfo = getActivity().getPackageManager().getApplicationInfo(pkg, 0);
if ((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
showStopServiceDialog(pkg, name);
return;
}
} catch (NameNotFoundException e) {
Log.e(TAG, "Can't find app " + pkg, e);
return;
}
doStopService(pkg, name);
}
private void showStopServiceDialog(final String pkg, final String name) {
new AlertDialog.Builder(getActivity())
.setTitle(R.string.runningservicedetails_stop_dlg_title)
.setMessage(R.string.runningservicedetails_stop_dlg_text)
.setPositiveButton(R.string.dlg_ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
doStopService(pkg, name);
}
})
.setNegativeButton(R.string.dlg_cancel, null)
.show();
}
private void doStopService(String pkg, String name) {
getActivity().stopService(new Intent().setClassName(pkg, name));
updateRunningServices();
}
private void killProcesses() {
ActivityManager am = (ActivityManager)getActivity().getSystemService(
Context.ACTIVITY_SERVICE);
for (int i=0; i< mApp.mEntries.size(); i++) {
ProcStatsEntry ent = mApp.mEntries.get(i);
for (int j=0; j<ent.mPackages.size(); j++) {
am.forceStopPackage(ent.mPackages.get(j));
}
}
}
private void checkForceStop() {
if (mForceStop == null) {
return;
}
if (mApp.mEntries.get(0).mUid < Process.FIRST_APPLICATION_UID) {
mForceStop.setVisible(false);
return;
}
boolean isStarted = false;
for (int i=0; i< mApp.mEntries.size(); i++) {
ProcStatsEntry ent = mApp.mEntries.get(i);
for (int j=0; j<ent.mPackages.size(); j++) {
String pkg = ent.mPackages.get(j);
if (mDpm.packageHasActiveAdmins(pkg)) {
mForceStop.setEnabled(false);
return;
}
try {
ApplicationInfo info = mPm.getApplicationInfo(pkg, 0);
if ((info.flags&ApplicationInfo.FLAG_STOPPED) == 0) {
isStarted = true;
}
} catch (PackageManager.NameNotFoundException e) {
}
}
}
if (isStarted) {
mForceStop.setVisible(true);
}
}
}