private 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 = mServiceProcessesByName.get(si.uid);
if (procs == null) {
procs = new HashMap<String, ProcessItem>();
mServiceProcessesByName.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) {
mServiceProcessesByPid.remove(proc.mPid);
}
if (pid != 0) {
mServiceProcessesByPid.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 = mServiceProcessesByPid.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) {
changed = true;
proc = new ProcessItem(context, pi.uid, pi.processName);
proc.mPid = pi.pid;
mRunningProcesses.put(pi.pid, proc);
}
proc.mDependentProcesses.clear();
}
if (isInterestingProcess(pi)) {
if (!mInterestingProcesses.contains(proc)) {
changed = true;
mInterestingProcesses.add(proc);
}
proc.mCurSeq = mSequence;
proc.ensureLabel(pm);
}
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 = mServiceProcessesByPid.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 that, if it later gets the same one,
// we will detect the change.
proc.mClient = null;
}
} else {
changed = true;
mRunningProcesses.remove(mRunningProcesses.keyAt(i));
}
}
// Remove any old interesting processes.
int NHP = mInterestingProcesses.size();
for (int i = 0; i < NHP; i++) {
ProcessItem proc = mInterestingProcesses.get(i);
if (mRunningProcesses.get(proc.mPid) == null) {
changed = true;
mInterestingProcesses.remove(i);
i--;
NHP--;
}
}
// 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 = mServiceProcessesByPid.size();
for (int i = 0; i < NAP; i++) {
ProcessItem proc = mServiceProcessesByPid.valueAt(i);
if (proc.mCurSeq == mSequence) {
changed |= proc.buildDependencyChain(context, pm, mSequence);
}
}
// Look for services and their primary processes that no longer exist...
ArrayList<Integer> uidToDelete = null;
for (int i = 0; i < mServiceProcessesByName.size(); i++) {
HashMap<String, ProcessItem> procs = mServiceProcessesByName.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) {
if (uidToDelete == null) {
uidToDelete = new ArrayList<Integer>();
}
uidToDelete.add(mServiceProcessesByName.keyAt(i));
}
if (pi.mPid != 0) {
mServiceProcessesByPid.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 (uidToDelete != null) {
for (int i = 0; i < uidToDelete.size(); i++) {
int uid = uidToDelete.get(i);
mServiceProcessesByName.remove(uid);
}
}
if (changed) {
// First determine an order for the services.
ArrayList<ProcessItem> sortedProcesses = new ArrayList<ProcessItem>();
for (int i = 0; i < mServiceProcessesByName.size(); i++) {
for (ProcessItem pi : mServiceProcessesByName.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>();
ArrayList<MergedItem> newMergedItems = new ArrayList<MergedItem>();
mProcessItems.clear();
for (int i = 0; i < sortedProcesses.size(); i++) {
ProcessItem pi = sortedProcesses.get(i);
pi.mNeedDivider = false;
int firstProc = mProcessItems.size();
// 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);
}
// Now add the services running in it.
MergedItem mergedItem = null;
boolean haveAllMerged = false;
boolean needDivider = false;
for (ServiceItem si : pi.mServices.values()) {
si.mNeedDivider = needDivider;
needDivider = true;
newItems.add(si);
if (si.mMergedItem != null) {
if (mergedItem != null && mergedItem != si.mMergedItem) {
haveAllMerged = false;
}
mergedItem = si.mMergedItem;
} else {
haveAllMerged = false;
}
}
if (!haveAllMerged
|| mergedItem == null
|| mergedItem.mServices.size() != pi.mServices.size()) {
// Whoops, we need to build a new MergedItem!
mergedItem = new MergedItem();
for (ServiceItem si : pi.mServices.values()) {
mergedItem.mServices.add(si);
si.mMergedItem = mergedItem;
}
mergedItem.mProcess = pi;
mergedItem.mOtherProcesses.clear();
for (int mpi = firstProc; mpi < (mProcessItems.size() - 1); mpi++) {
mergedItem.mOtherProcesses.add(mProcessItems.get(mpi));
}
}
mergedItem.update(context, false);
newMergedItems.add(mergedItem);
}
// Finally, interesting processes need to be shown and will
// go at the top.
NHP = mInterestingProcesses.size();
for (int i = 0; i < NHP; i++) {
ProcessItem proc = mInterestingProcesses.get(i);
if (proc.mClient == null && proc.mServices.size() <= 0) {
if (proc.mMergedItem == null) {
proc.mMergedItem = new MergedItem();
proc.mMergedItem.mProcess = proc;
}
proc.mMergedItem.update(context, false);
newMergedItems.add(0, proc.mMergedItem);
mProcessItems.add(proc);
}
}
synchronized (mLock) {
mItems = newItems;
mMergedItems = newMergedItems;
}
}
// 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(
"RunningState",
"Unknown non-service process: " + proc.mProcessName + " #" + proc.mPid);
}
} else {
numServiceProcesses++;
}
}
long backgroundProcessMemory = 0;
long foregroundProcessMemory = 0;
long serviceProcessMemory = 0;
ArrayList<MergedItem> newBackgroundItems = null;
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);
int bgIndex = 0;
for (int i = 0; i < pids.length; 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;
MergedItem mergedItem;
if (newBackgroundItems != null) {
mergedItem = proc.mMergedItem = new MergedItem();
proc.mMergedItem.mProcess = proc;
newBackgroundItems.add(mergedItem);
} else {
if (bgIndex >= mBackgroundItems.size()
|| mBackgroundItems.get(bgIndex).mProcess != proc) {
newBackgroundItems = new ArrayList<MergedItem>(numBackgroundProcesses);
for (int bgi = 0; bgi < bgIndex; bgi++) {
newBackgroundItems.add(mBackgroundItems.get(bgi));
}
mergedItem = proc.mMergedItem = new MergedItem();
proc.mMergedItem.mProcess = proc;
newBackgroundItems.add(mergedItem);
} else {
mergedItem = mBackgroundItems.get(bgIndex);
}
}
mergedItem.update(context, true);
mergedItem.updateSize(context);
bgIndex++;
} else if (proc.mRunningProcessInfo.importance
<= ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE) {
foregroundProcessMemory += proc.mSize;
}
}
} catch (RemoteException e) {
}
if (newBackgroundItems == null) {
// One or more at the bottom may no longer exit.
if (mBackgroundItems.size() > numBackgroundProcesses) {
newBackgroundItems = new ArrayList<MergedItem>(numBackgroundProcesses);
for (int bgi = 0; bgi < numBackgroundProcesses; bgi++) {
newBackgroundItems.add(mBackgroundItems.get(bgi));
}
}
}
for (int i = 0; i < mMergedItems.size(); i++) {
mMergedItems.get(i).updateSize(context);
}
synchronized (mLock) {
mNumBackgroundProcesses = numBackgroundProcesses;
mNumForegroundProcesses = numForegroundProcesses;
mNumServiceProcesses = numServiceProcesses;
mBackgroundProcessMemory = backgroundProcessMemory;
mForegroundProcessMemory = foregroundProcessMemory;
mServiceProcessMemory = serviceProcessMemory;
if (newBackgroundItems != null) {
mBackgroundItems = newBackgroundItems;
if (mWatchingBackgroundItems) {
changed = true;
}
}
if (!mHaveData) {
mHaveData = true;
mLock.notifyAll();
}
}
return changed;
}
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) {
}
si.mDisplayLabel =
makeLabel(pm, si.mRunningService.service.getClassName(), si.mServiceInfo);
mLabel = mDisplayLabel != null ? mDisplayLabel.toString() : null;
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;
}