/*
* 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;
import com.android.settings.R;
import android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.PendingIntent;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentSender;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageItemInfo;
import android.content.pm.PackageManager;
import android.content.pm.ServiceInfo;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.text.format.DateUtils;
import android.text.format.Formatter;
import android.util.AttributeSet;
import android.util.Log;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
public class RunningServices extends ListActivity
implements AbsListView.RecyclerListener,
DialogInterface.OnClickListener {
static final String TAG = "RunningServices";
/** Maximum number of services to retrieve */
static final int MAX_SERVICES = 100;
static final int MSG_UPDATE_TIMES = 1;
static final int MSG_UPDATE_CONTENTS = 2;
static final int MSG_REFRESH_UI = 3;
static final long TIME_UPDATE_DELAY = 1000;
static final long CONTENTS_UPDATE_DELAY = 2000;
// Memory pages are 4K.
static final long PAGE_SIZE = 4*1024;
long SECONDARY_SERVER_MEM;
final HashMap<View, ActiveItem> mActiveItems = new HashMap<View, ActiveItem>();
ActivityManager mAm;
State mState;
StringBuilder mBuilder = new StringBuilder(128);
BaseItem mCurSelected;
int mProcessBgColor;
LinearColorBar mColorBar;
TextView mBackgroundProcessText;
TextView mForegroundProcessText;
int mLastNumBackgroundProcesses = -1;
int mLastNumForegroundProcesses = -1;
int mLastNumServiceProcesses = -1;
long mLastBackgroundProcessMemory = -1;
long mLastForegroundProcessMemory = -1;
long mLastServiceProcessMemory = -1;
long mLastAvailMemory = -1;
Dialog mCurDialog;
byte[] mBuffer = new byte[1024];
class ActiveItem {
View mRootView;
BaseItem mItem;
ActivityManager.RunningServiceInfo mService;
ViewHolder mHolder;
long mFirstRunTime;
void updateTime(Context context) {
if (mItem.mIsProcess) {
String size = mItem.mSizeStr != null ? mItem.mSizeStr : "";
if (!size.equals(mItem.mCurSizeStr)) {
mItem.mCurSizeStr = size;
mHolder.size.setText(size);
}
} else {
if (mItem.mActiveSince >= 0) {
mHolder.size.setText(DateUtils.formatElapsedTime(mBuilder,
(SystemClock.uptimeMillis()-mFirstRunTime)/1000));
} else {
mHolder.size.setText(context.getResources().getText(
R.string.service_restarting));
}
}
}
}
static class BaseItem {
final boolean mIsProcess;
PackageItemInfo mPackageInfo;
CharSequence mDisplayLabel;
String mLabel;
String mDescription;
int mCurSeq;
long mActiveSince;
long mSize;
String mSizeStr;
String mCurSizeStr;
boolean mNeedDivider;
public BaseItem(boolean isProcess) {
mIsProcess = isProcess;
}
}
static class ServiceItem extends BaseItem {
ActivityManager.RunningServiceInfo mRunningService;
ServiceInfo mServiceInfo;
boolean mShownAsStarted;
public ServiceItem() {
super(false);
}
}
static class ProcessItem extends BaseItem {
final HashMap<ComponentName, ServiceItem> mServices
= new HashMap<ComponentName, ServiceItem>();
final SparseArray<ProcessItem> mDependentProcesses
= new SparseArray<ProcessItem>();
final int mUid;
final String mProcessName;
int mPid;
ProcessItem mClient;
int mLastNumDependentProcesses;
int mRunningSeq;
ActivityManager.RunningAppProcessInfo mRunningProcessInfo;
// Purely for sorting.
boolean mIsSystem;
boolean mIsStarted;
long mActiveSince;
public ProcessItem(Context context, int uid, String processName) {
super(true);
mDescription = context.getResources().getString(
R.string.service_process_name, processName);
mUid = uid;
mProcessName = processName;
}
void ensureLabel(PackageManager pm) {
if (mLabel != null) {
return;
}
try {
ApplicationInfo ai = pm.getApplicationInfo(mProcessName, 0);
if (ai.uid == mUid) {
mDisplayLabel = ai.loadLabel(pm);
mLabel = mDisplayLabel.toString();
mPackageInfo = ai;
return;
}
} catch (PackageManager.NameNotFoundException e) {
}
// If we couldn't get information about the overall
// process, try to find something about the uid.
String[] pkgs = pm.getPackagesForUid(mUid);
// If there is one package with this uid, that is what we want.
if (pkgs.length == 1) {
try {
ApplicationInfo ai = pm.getApplicationInfo(pkgs[0], 0);
mDisplayLabel = ai.loadLabel(pm);
mLabel = mDisplayLabel.toString();
mPackageInfo = ai;
return;
} catch (PackageManager.NameNotFoundException e) {
}
}
// If there are multiple, see if one gives us the official name
// for this uid.
for (String name : pkgs) {
try {
PackageInfo pi = pm.getPackageInfo(name, 0);
if (pi.sharedUserLabel != 0) {
CharSequence nm = pm.getText(name,
pi.sharedUserLabel, pi.applicationInfo);
if (nm != null) {
mDisplayLabel = nm;
mLabel = nm.toString();
mPackageInfo = pi.applicationInfo;
return;
}
}
} catch (PackageManager.NameNotFoundException e) {
}
}
// If still don't have anything to display, just use the
// service info.
if (mServices.size() > 0) {
mPackageInfo = mServices.values().iterator().next()
.mServiceInfo.applicationInfo;
mDisplayLabel = mPackageInfo.loadLabel(pm);
mLabel = mDisplayLabel.toString();
return;
}
// Finally... whatever, just pick the first package's name.
try {
ApplicationInfo ai = pm.getApplicationInfo(pkgs[0], 0);
mDisplayLabel = ai.loadLabel(pm);
mLabel = mDisplayLabel.toString();
mPackageInfo = ai;
return;
} catch (PackageManager.NameNotFoundException e) {
}
}
boolean updateService(Context context,
ActivityManager.RunningServiceInfo service) {
final PackageManager pm = context.getPackageManager();
boolean changed = false;
ServiceItem si = mServices.get(service.service);
if (si == null) {
changed = true;
si = new ServiceItem();
si.mRunningService = service;
try {
si.mServiceInfo = pm.getServiceInfo(service.service, 0);
} catch (PackageManager.NameNotFoundException e) {
}
if (si.mServiceInfo != null && (si.mServiceInfo.labelRes != 0
|| si.mServiceInfo.nonLocalizedLabel != null)) {
si.mDisplayLabel = si.mServiceInfo.loadLabel(pm);
si.mLabel = si.mDisplayLabel.toString();
} else {
si.mLabel = si.mRunningService.service.getClassName();
int tail = si.mLabel.lastIndexOf('.');
if (tail >= 0) {
si.mLabel = si.mLabel.substring(tail+1, si.mLabel.length());
}
si.mDisplayLabel = si.mLabel;
}
si.mPackageInfo = si.mServiceInfo.applicationInfo;
mServices.put(service.service, si);
}
si.mCurSeq = mCurSeq;
si.mRunningService = service;
long activeSince = service.restarting == 0 ? service.activeSince : -1;
if (si.mActiveSince != activeSince) {
si.mActiveSince = activeSince;
changed = true;
}
if (service.clientPackage != null && service.clientLabel != 0) {
if (si.mShownAsStarted) {
si.mShownAsStarted = false;
changed = true;
}
try {
Resources clientr = pm.getResourcesForApplication(service.clientPackage);
String label = clientr.getString(service.clientLabel);
si.mDescription = context.getResources().getString(
R.string.service_client_name, label);
} catch (PackageManager.NameNotFoundException e) {
si.mDescription = null;
}
} else {
if (!si.mShownAsStarted) {
si.mShownAsStarted = true;
changed = true;
}
si.mDescription = context.getResources().getString(
R.string.service_started_by_app);
}
return changed;
}
boolean updateSize(Context context, Debug.MemoryInfo mem, int curSeq) {
mSize = ((long)mem.getTotalPss()) * 1024;
if (mCurSeq == curSeq) {
String sizeStr = Formatter.formatShortFileSize(
context, mSize);
if (!sizeStr.equals(mSizeStr)){
mSizeStr = sizeStr;
// We update this on the second tick where we update just
// the text in the current items, so no need to say we
// changed here.
return false;
}
}
return false;
}
boolean buildDependencyChain(Context context, PackageManager pm, int curSeq) {
final int NP = mDependentProcesses.size();
boolean changed = false;
for (int i=0; i<NP; i++) {
ProcessItem proc = mDependentProcesses.valueAt(i);
if (proc.mClient != this) {
changed = true;
proc.mClient = this;
}
proc.mCurSeq = curSeq;
proc.ensureLabel(pm);
changed |= proc.buildDependencyChain(context, pm, curSeq);
}
if (mLastNumDependentProcesses != mDependentProcesses.size()) {
changed = true;
mLastNumDependentProcesses = mDependentProcesses.size();
}
return changed;
}
void addDependentProcesses(ArrayList<BaseItem> dest,
ArrayList<ProcessItem> destProc) {
final int NP = mDependentProcesses.size();
for (int i=0; i<NP; i++) {
ProcessItem proc = mDependentProcesses.valueAt(i);
proc.addDependentProcesses(dest, destProc);
dest.add(proc);
if (proc.mPid > 0) {
destProc.add(proc);
}
}
}
}
static class ServiceProcessComparator implements Comparator<ProcessItem> {
public int compare(ProcessItem object1, ProcessItem object2) {
if (object1.mIsStarted != object2.mIsStarted) {
// Non-started processes go last.
return object1.mIsStarted ? -1 : 1;
}
if (object1.mIsSystem != object2.mIsSystem) {
// System processes go below non-system.
return object1.mIsSystem ? 1 : -1;
}
if (object1.mActiveSince != object2.mActiveSince) {
// Remaining ones are sorted with the longest running
// services last.
return (object1.mActiveSince > object2.mActiveSince) ? -1 : 1;
}
return 0;
}
}
static class State {
final SparseArray<HashMap<String, ProcessItem>> mProcesses
= new SparseArray<HashMap<String, ProcessItem>>();
final SparseArray<ProcessItem> mActiveProcesses
= new SparseArray<ProcessItem>();
final ServiceProcessComparator mServiceProcessComparator
= new ServiceProcessComparator();
// Temporary for finding process dependencies.
final SparseArray<ProcessItem> mRunningProcesses
= new SparseArray<ProcessItem>();
final ArrayList<ProcessItem> mProcessItems = new ArrayList<ProcessItem>();
final ArrayList<ProcessItem> mAllProcessItems = new ArrayList<ProcessItem>();
int mSequence = 0;
// ----- following protected by mLock -----
// Lock for protecting the state that will be shared between the
// background update thread and the UI thread.
final Object mLock = new Object();
ArrayList<BaseItem> mItems = new ArrayList<BaseItem>();
int mNumBackgroundProcesses;
long mBackgroundProcessMemory;
int mNumForegroundProcesses;
long mForegroundProcessMemory;
int mNumServiceProcesses;
long mServiceProcessMemory;
boolean update(Context context, ActivityManager am) {
final PackageManager pm = context.getPackageManager();
mSequence++;
boolean changed = false;
List<ActivityManager.RunningServiceInfo> services
= am.getRunningServices(MAX_SERVICES);
final int NS = services != null ? services.size() : 0;
for (int i=0; i<NS; i++) {
ActivityManager.RunningServiceInfo si = services.get(i);
// We are not interested in services that have not been started
// and don't have a known client, because
// there is nothing the user can do about them.
if (!si.started && si.clientLabel == 0) {
continue;
}
// We likewise don't care about services running in a
// persistent process like the system or phone.
if ((si.flags&ActivityManager.RunningServiceInfo.FLAG_PERSISTENT_PROCESS)
!= 0) {
continue;
}
HashMap<String, ProcessItem> procs = mProcesses.get(si.uid);
if (procs == null) {
procs = new HashMap<String, ProcessItem>();
mProcesses.put(si.uid, procs);
}
ProcessItem proc = procs.get(si.process);
if (proc == null) {
changed = true;
proc = new ProcessItem(context, si.uid, si.process);
procs.put(si.process, proc);
}
if (proc.mCurSeq != mSequence) {
int pid = si.restarting == 0 ? si.pid : 0;
if (pid != proc.mPid) {
changed = true;
if (proc.mPid != pid) {
if (proc.mPid != 0) {
mActiveProcesses.remove(proc.mPid);
}
if (pid != 0) {
mActiveProcesses.put(pid, proc);
}
proc.mPid = pid;
}
}
proc.mDependentProcesses.clear();
proc.mCurSeq = mSequence;
}
changed |= proc.updateService(context, si);
}
// Now update the map of other processes that are running (but
// don't have services actively running inside them).
List<ActivityManager.RunningAppProcessInfo> processes
= am.getRunningAppProcesses();
final int NP = processes != null ? processes.size() : 0;
for (int i=0; i<NP; i++) {
ActivityManager.RunningAppProcessInfo pi = processes.get(i);
ProcessItem proc = mActiveProcesses.get(pi.pid);
if (proc == null) {
// This process is not one that is a direct container
// of a service, so look for it in the secondary
// running list.
proc = mRunningProcesses.get(pi.pid);
if (proc == null) {
proc = new ProcessItem(context, pi.uid, pi.processName);
proc.mPid = pi.pid;
mRunningProcesses.put(pi.pid, proc);
}
proc.mDependentProcesses.clear();
}
proc.mRunningSeq = mSequence;
proc.mRunningProcessInfo = pi;
}
// Build the chains from client processes to the process they are
// dependent on; also remove any old running processes.
int NRP = mRunningProcesses.size();
for (int i=0; i<NRP; i++) {
ProcessItem proc = mRunningProcesses.valueAt(i);
if (proc.mRunningSeq == mSequence) {
int clientPid = proc.mRunningProcessInfo.importanceReasonPid;
if (clientPid != 0) {
ProcessItem client = mActiveProcesses.get(clientPid);
if (client == null) {
client = mRunningProcesses.get(clientPid);
}
if (client != null) {
client.mDependentProcesses.put(proc.mPid, proc);
}
} else {
// In this pass the process doesn't have a client.
// Clear to make sure if it later gets the same one
// that we will detect the change.
proc.mClient = null;
}
} else {
mRunningProcesses.remove(mRunningProcesses.keyAt(i));
}
}
// Follow the tree from all primary service processes to all
// processes they are dependent on, marking these processes as
// still being active and determining if anything has changed.
final int NAP = mActiveProcesses.size();
for (int i=0; i<NAP; i++) {
ProcessItem proc = mActiveProcesses.valueAt(i);
if (proc.mCurSeq == mSequence) {
changed |= proc.buildDependencyChain(context, pm, mSequence);
}
}
// Look for services and their primary processes that no longer exist...
for (int i=0; i<mProcesses.size(); i++) {
HashMap<String, ProcessItem> procs = mProcesses.valueAt(i);
Iterator<ProcessItem> pit = procs.values().iterator();
while (pit.hasNext()) {
ProcessItem pi = pit.next();
if (pi.mCurSeq == mSequence) {
pi.ensureLabel(pm);
if (pi.mPid == 0) {
// Sanity: a non-process can't be dependent on
// anything.
pi.mDependentProcesses.clear();
}
} else {
changed = true;
pit.remove();
if (procs.size() == 0) {
mProcesses.remove(mProcesses.keyAt(i));
}
if (pi.mPid != 0) {
mActiveProcesses.remove(pi.mPid);
}
continue;
}
Iterator<ServiceItem> sit = pi.mServices.values().iterator();
while (sit.hasNext()) {
ServiceItem si = sit.next();
if (si.mCurSeq != mSequence) {
changed = true;
sit.remove();
}
}
}
}
if (changed) {
// First determine an order for the services.
ArrayList<ProcessItem> sortedProcesses = new ArrayList<ProcessItem>();
for (int i=0; i<mProcesses.size(); i++) {
for (ProcessItem pi : mProcesses.valueAt(i).values()) {
pi.mIsSystem = false;
pi.mIsStarted = true;
pi.mActiveSince = Long.MAX_VALUE;
for (ServiceItem si : pi.mServices.values()) {
if (si.mServiceInfo != null
&& (si.mServiceInfo.applicationInfo.flags
& ApplicationInfo.FLAG_SYSTEM) != 0) {
pi.mIsSystem = true;
}
if (si.mRunningService != null
&& si.mRunningService.clientLabel != 0) {
pi.mIsStarted = false;
if (pi.mActiveSince > si.mRunningService.activeSince) {
pi.mActiveSince = si.mRunningService.activeSince;
}
}
}
sortedProcesses.add(pi);
}
}
Collections.sort(sortedProcesses, mServiceProcessComparator);
ArrayList<BaseItem> newItems = new ArrayList<BaseItem>();
mProcessItems.clear();
for (int i=0; i<sortedProcesses.size(); i++) {
ProcessItem pi = sortedProcesses.get(i);
pi.mNeedDivider = false;
// First add processes we are dependent on.
pi.addDependentProcesses(newItems, mProcessItems);
// And add the process itself.
newItems.add(pi);
if (pi.mPid > 0) {
mProcessItems.add(pi);
}
// And finally the services running in it.
boolean needDivider = false;
for (ServiceItem si : pi.mServices.values()) {
si.mNeedDivider = needDivider;
needDivider = true;
newItems.add(si);
}
}
synchronized (mLock) {
mItems = newItems;
}
}
// Count number of interesting other (non-active) processes, and
// build a list of all processes we will retrieve memory for.
mAllProcessItems.clear();
mAllProcessItems.addAll(mProcessItems);
int numBackgroundProcesses = 0;
int numForegroundProcesses = 0;
int numServiceProcesses = 0;
NRP = mRunningProcesses.size();
for (int i=0; i<NRP; i++) {
ProcessItem proc = mRunningProcesses.valueAt(i);
if (proc.mCurSeq != mSequence) {
// We didn't hit this process as a dependency on one
// of our active ones, so add it up if needed.
if (proc.mRunningProcessInfo.importance >=
ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {
numBackgroundProcesses++;
mAllProcessItems.add(proc);
} else if (proc.mRunningProcessInfo.importance <=
ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE) {
numForegroundProcesses++;
mAllProcessItems.add(proc);
} else {
Log.i(TAG, "Unknown non-service process: "
+ proc.mProcessName + " #" + proc.mPid);
}
} else {
numServiceProcesses++;
}
}
long backgroundProcessMemory = 0;
long foregroundProcessMemory = 0;
long serviceProcessMemory = 0;
try {
final int numProc = mAllProcessItems.size();
int[] pids = new int[numProc];
for (int i=0; i<numProc; i++) {
pids[i] = mAllProcessItems.get(i).mPid;
}
Debug.MemoryInfo[] mem = ActivityManagerNative.getDefault()
.getProcessMemoryInfo(pids);
for (int i=pids.length-1; i>=0; i--) {
ProcessItem proc = mAllProcessItems.get(i);
changed |= proc.updateSize(context, mem[i], mSequence);
if (proc.mCurSeq == mSequence) {
serviceProcessMemory += proc.mSize;
} else if (proc.mRunningProcessInfo.importance >=
ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {
backgroundProcessMemory += proc.mSize;
} else if (proc.mRunningProcessInfo.importance <=
ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE) {
foregroundProcessMemory += proc.mSize;
}
}
} catch (RemoteException e) {
}
synchronized (mLock) {
mNumBackgroundProcesses = numBackgroundProcesses;
mNumForegroundProcesses = numForegroundProcesses;
mNumServiceProcesses = numServiceProcesses;
mBackgroundProcessMemory = backgroundProcessMemory;
mForegroundProcessMemory = foregroundProcessMemory;
mServiceProcessMemory = serviceProcessMemory;
}
return changed;
}
ArrayList<BaseItem> getCurrentItems() {
synchronized (mLock) {
return mItems;
}
}
}
static class TimeTicker extends TextView {
public TimeTicker(Context context, AttributeSet attrs) {
super(context, attrs);
}
}
static class ViewHolder {
ImageView separator;
ImageView icon;
TextView name;
TextView description;
TextView size;
}
class ServiceListAdapter extends BaseAdapter {
final State mState;
final LayoutInflater mInflater;
ArrayList<BaseItem> mItems;
ServiceListAdapter(State state) {
mState = state;
mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
refreshItems();
}
void refreshItems() {
ArrayList<BaseItem> newItems = mState.getCurrentItems();
if (mItems != newItems) {
mItems = newItems;
}
if (mItems == null) {
mItems = new ArrayList<BaseItem>();
}
}
public boolean hasStableIds() {
return true;
}
public int getCount() {
return mItems.size();
}
public Object getItem(int position) {
return mItems.get(position);
}
public long getItemId(int position) {
return mItems.get(position).hashCode();
}
public boolean areAllItemsEnabled() {
return false;
}
public boolean isEnabled(int position) {
return !mItems.get(position).mIsProcess;
}
public View getView(int position, View convertView, ViewGroup parent) {
View v;
if (convertView == null) {
v = newView(parent);
} else {
v = convertView;
}
bindView(v, position);
return v;
}
public View newView(ViewGroup parent) {
View v = mInflater.inflate(R.layout.running_services_item, parent, false);
ViewHolder h = new ViewHolder();
h.separator = (ImageView)v.findViewById(R.id.separator);
h.icon = (ImageView)v.findViewById(R.id.icon);
h.name = (TextView)v.findViewById(R.id.name);
h.description = (TextView)v.findViewById(R.id.description);
h.size = (TextView)v.findViewById(R.id.size);
v.setTag(h);
return v;
}
public void bindView(View view, int position) {
synchronized (mState.mLock) {
ViewHolder vh = (ViewHolder) view.getTag();
if (position >= mItems.size()) {
// List must have changed since we last reported its
// size... ignore here, we will be doing a data changed
// to refresh the entire list.
return;
}
BaseItem item = mItems.get(position);
vh.name.setText(item.mDisplayLabel);
vh.separator.setVisibility(item.mNeedDivider
? View.VISIBLE : View.INVISIBLE);
ActiveItem ai = new ActiveItem();
ai.mRootView = view;
ai.mItem = item;
ai.mHolder = vh;
ai.mFirstRunTime = item.mActiveSince;
vh.description.setText(item.mDescription);
if (item.mIsProcess) {
view.setBackgroundColor(mProcessBgColor);
vh.icon.setImageDrawable(null);
vh.icon.setVisibility(View.GONE);
vh.description.setText(item.mDescription);
item.mCurSizeStr = null;
} else {
view.setBackgroundDrawable(null);
vh.icon.setImageDrawable(item.mPackageInfo.loadIcon(getPackageManager()));
vh.icon.setVisibility(View.VISIBLE);
vh.description.setText(item.mDescription);
ai.mFirstRunTime = item.mActiveSince;
}
ai.updateTime(RunningServices.this);
mActiveItems.put(view, ai);
}
}
}
public static class LinearColorBar extends LinearLayout {
private float mRedRatio;
private float mYellowRatio;
private float mGreenRatio;
final Rect mRect = new Rect();
final Paint mPaint = new Paint();
public LinearColorBar(Context context, AttributeSet attrs) {
super(context, attrs);
setWillNotDraw(false);
mPaint.setStyle(Paint.Style.FILL);
}
public void setRatios(float red, float yellow, float green) {
mRedRatio = red;
mYellowRatio = yellow;
mGreenRatio = green;
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
int width = getWidth();
mRect.top = 0;
mRect.bottom = getHeight();
int left = 0;
int right = left + (int)(width*mRedRatio);
if (left < right) {
mRect.left = left;
mRect.right = right;
mPaint.setColor(0xffff8080);
canvas.drawRect(mRect, mPaint);
width -= (right-left);
left = right;
}
right = left + (int)(width*mYellowRatio);
if (left < right) {
mRect.left = left;
mRect.right = right;
mPaint.setColor(0xffffff00);
canvas.drawRect(mRect, mPaint);
width -= (right-left);
left = right;
}
right = left + width;
if (left < right) {
mRect.left = left;
mRect.right = right;
mPaint.setColor(0xff80ff80);
canvas.drawRect(mRect, mPaint);
}
}
}
HandlerThread mBackgroundThread;
final class BackgroundHandler extends Handler {
public BackgroundHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_CONTENTS:
Message cmd = mHandler.obtainMessage(MSG_REFRESH_UI);
cmd.arg1 = mState.update(RunningServices.this, mAm) ? 1 : 0;
mHandler.sendMessage(cmd);
removeMessages(MSG_UPDATE_CONTENTS);
msg = obtainMessage(MSG_UPDATE_CONTENTS);
sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
break;
}
}
};
BackgroundHandler mBackgroundHandler;
final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_TIMES:
Iterator<ActiveItem> it = mActiveItems.values().iterator();
while (it.hasNext()) {
ActiveItem ai = it.next();
if (ai.mRootView.getWindowToken() == null) {
// Clean out any dead views, just in case.
it.remove();
continue;
}
ai.updateTime(RunningServices.this);
}
removeMessages(MSG_UPDATE_TIMES);
msg = obtainMessage(MSG_UPDATE_TIMES);
sendMessageDelayed(msg, TIME_UPDATE_DELAY);
break;
case MSG_REFRESH_UI:
refreshUi(msg.arg1 != 0);
break;
}
}
};
private boolean matchText(byte[] buffer, int index, String text) {
int N = text.length();
if ((index+N) >= buffer.length) {
return false;
}
for (int i=0; i<N; i++) {
if (buffer[index+i] != text.charAt(i)) {
return false;
}
}
return true;
}
private long extractMemValue(byte[] buffer, int index) {
while (index < buffer.length && buffer[index] != '\n') {
if (buffer[index] >= '0' && buffer[index] <= '9') {
int start = index;
index++;
while (index < buffer.length && buffer[index] >= '0'
&& buffer[index] <= '9') {
index++;
}
String str = new String(buffer, 0, start, index-start);
return ((long)Integer.parseInt(str)) * 1024;
}
index++;
}
return 0;
}
private long readAvailMem() {
try {
long memFree = 0;
long memCached = 0;
FileInputStream is = new FileInputStream("/proc/meminfo");
int len = is.read(mBuffer);
is.close();
final int BUFLEN = mBuffer.length;
for (int i=0; i<len && (memFree == 0 || memCached == 0); i++) {
if (matchText(mBuffer, i, "MemFree")) {
i += 7;
memFree = extractMemValue(mBuffer, i);
} else if (matchText(mBuffer, i, "Cached")) {
i += 6;
memCached = extractMemValue(mBuffer, i);
}
while (i < BUFLEN && mBuffer[i] != '\n') {
i++;
}
}
return memFree + memCached;
} catch (java.io.FileNotFoundException e) {
} catch (java.io.IOException e) {
}
return 0;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAm = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
mState = (State)getLastNonConfigurationInstance();
if (mState == null) {
mState = new State();
}
mProcessBgColor = 0xff505050;
setContentView(R.layout.running_services);
getListView().setDivider(null);
getListView().setAdapter(new ServiceListAdapter(mState));
mColorBar = (LinearColorBar)findViewById(R.id.color_bar);
mBackgroundProcessText = (TextView)findViewById(R.id.backgroundText);
mForegroundProcessText = (TextView)findViewById(R.id.foregroundText);
// Magic! Implementation detail! Don't count on this!
SECONDARY_SERVER_MEM =
Integer.valueOf(SystemProperties.get("ro.SECONDARY_SERVER_MEM"))*PAGE_SIZE;
}
void refreshUi(boolean dataChanged) {
if (dataChanged) {
ServiceListAdapter adapter = (ServiceListAdapter)(getListView().getAdapter());
adapter.refreshItems();
adapter.notifyDataSetChanged();
}
// This is the amount of available memory until we start killing
// background services.
long availMem = readAvailMem() - SECONDARY_SERVER_MEM;
if (availMem < 0) {
availMem = 0;
}
synchronized (mState.mLock) {
if (mLastNumBackgroundProcesses != mState.mNumBackgroundProcesses
|| mLastBackgroundProcessMemory != mState.mBackgroundProcessMemory
|| mLastAvailMemory != availMem) {
mLastNumBackgroundProcesses = mState.mNumBackgroundProcesses;
mLastBackgroundProcessMemory = mState.mBackgroundProcessMemory;
mLastAvailMemory = availMem;
String availStr = availMem != 0
? Formatter.formatShortFileSize(this, availMem) : "0";
String sizeStr = Formatter.formatShortFileSize(this, mLastBackgroundProcessMemory);
mBackgroundProcessText.setText(getResources().getString(
R.string.service_background_processes,
mLastNumBackgroundProcesses, availStr, sizeStr));
}
if (mLastNumForegroundProcesses != mState.mNumForegroundProcesses
|| mLastForegroundProcessMemory != mState.mForegroundProcessMemory) {
mLastNumForegroundProcesses = mState.mNumForegroundProcesses;
mLastForegroundProcessMemory = mState.mForegroundProcessMemory;
String sizeStr = Formatter.formatShortFileSize(this, mLastForegroundProcessMemory);
mForegroundProcessText.setText(getResources().getString(
R.string.service_foreground_processes, mLastNumForegroundProcesses, sizeStr));
}
mLastNumServiceProcesses = mState.mNumServiceProcesses;
mLastServiceProcessMemory = mState.mServiceProcessMemory;
float totalMem = availMem + mLastBackgroundProcessMemory
+ mLastForegroundProcessMemory + mLastServiceProcessMemory;
mColorBar.setRatios(mLastForegroundProcessMemory/totalMem,
mLastServiceProcessMemory/totalMem,
(availMem+mLastBackgroundProcessMemory)/totalMem);
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
BaseItem bi = (BaseItem)l.getAdapter().getItem(position);
if (!bi.mIsProcess) {
ServiceItem si = (ServiceItem)bi;
if (si.mRunningService.clientLabel != 0) {
mCurSelected = null;
PendingIntent pi = mAm.getRunningServiceControlPanel(
si.mRunningService.service);
if (pi != null) {
try {
this.startIntentSender(pi.getIntentSender(), null,
Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET,
Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET, 0);
} catch (IntentSender.SendIntentException e) {
Log.w(TAG, e);
} catch (IllegalArgumentException e) {
Log.w(TAG, e);
} catch (ActivityNotFoundException e) {
Log.w(TAG, e);
}
}
} else {
mCurSelected = bi;
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.confirm_stop_service);
String msg = getResources().getString(
R.string.confirm_stop_service_msg,
si.mPackageInfo.loadLabel(getPackageManager()));
builder.setMessage(msg);
builder.setPositiveButton(R.string.confirm_stop_stop, this);
builder.setNegativeButton(R.string.confirm_stop_cancel, null);
builder.setCancelable(true);
mCurDialog = builder.show();
}
} else {
mCurSelected = null;
}
}
public void onClick(DialogInterface dialog, int which) {
if (mCurSelected != null) {
stopService(new Intent().setComponent(
((ServiceItem)mCurSelected).mRunningService.service));
if (mBackgroundHandler != null) {
mBackgroundHandler.sendEmptyMessage(MSG_UPDATE_CONTENTS);
}
}
}
@Override
protected void onPause() {
super.onPause();
mHandler.removeMessages(MSG_UPDATE_TIMES);
if (mBackgroundThread != null) {
mBackgroundThread.quit();
mBackgroundThread = null;
mBackgroundHandler = null;
}
}
@Override
protected void onResume() {
super.onResume();
refreshUi(mState.update(this, mAm));
mBackgroundThread = new HandlerThread("RunningServices");
mBackgroundThread.start();
mBackgroundHandler = new BackgroundHandler(mBackgroundThread.getLooper());
mHandler.removeMessages(MSG_UPDATE_TIMES);
Message msg = mHandler.obtainMessage(MSG_UPDATE_TIMES);
mHandler.sendMessageDelayed(msg, TIME_UPDATE_DELAY);
mBackgroundHandler.removeMessages(MSG_UPDATE_CONTENTS);
msg = mBackgroundHandler.obtainMessage(MSG_UPDATE_CONTENTS);
mBackgroundHandler.sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
}
@Override
public Object onRetainNonConfigurationInstance() {
return mState;
}
public void onMovedToScrapHeap(View view) {
mActiveItems.remove(view);
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mCurDialog != null) {
mCurDialog.dismiss();
}
}
}