Merge "Fix issue #2643754: Launcher is caching widget layouts for too long" into froyo

This commit is contained in:
Dianne Hackborn
2010-05-04 17:43:25 -07:00
committed by Android (Google) Code Review
5 changed files with 106 additions and 85 deletions

View File

@ -194,6 +194,7 @@ public final class ActivityThread {
}
WeakReference<Resources> wr = mActiveResources.get(key);
r = wr != null ? wr.get() : null;
//if (r != null) Slog.i(TAG, "isUpToDate " + resDir + ": " + r.getAssets().isUpToDate());
if (r != null && r.getAssets().isUpToDate()) {
if (false) {
Slog.w(TAG, "Returning cached resources " + r + " " + resDir
@ -1752,6 +1753,10 @@ public final class ActivityThread {
Debug.getMemoryInfo(outInfo);
}
public void dispatchPackageBroadcast(int cmd, String[] packages) {
queueOrSendMessage(H.DISPATCH_PACKAGE_BROADCAST, packages, cmd);
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
long nativeMax = Debug.getNativeHeapSize() / 1024;
@ -1976,6 +1981,7 @@ public final class ActivityThread {
public static final int SUICIDE = 130;
public static final int REMOVE_PROVIDER = 131;
public static final int ENABLE_JIT = 132;
public static final int DISPATCH_PACKAGE_BROADCAST = 133;
String codeToString(int code) {
if (localLOGV) {
switch (code) {
@ -2012,6 +2018,7 @@ public final class ActivityThread {
case SUICIDE: return "SUICIDE";
case REMOVE_PROVIDER: return "REMOVE_PROVIDER";
case ENABLE_JIT: return "ENABLE_JIT";
case DISPATCH_PACKAGE_BROADCAST: return "DISPATCH_PACKAGE_BROADCAST";
}
}
return "(unknown)";
@ -2132,6 +2139,9 @@ public final class ActivityThread {
case ENABLE_JIT:
ensureJitEnabled();
break;
case DISPATCH_PACKAGE_BROADCAST:
handleDispatchPackageBroadcast(msg.arg1, (String[])msg.obj);
break;
}
}
@ -2239,16 +2249,16 @@ public final class ActivityThread {
// XXX For now we keep around information about all packages we have
// seen, not removing entries from this map.
final HashMap<String, WeakReference<PackageInfo>> mPackages
= new HashMap<String, WeakReference<PackageInfo>>();
= new HashMap<String, WeakReference<PackageInfo>>();
final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
= new HashMap<String, WeakReference<PackageInfo>>();
= new HashMap<String, WeakReference<PackageInfo>>();
Display mDisplay = null;
DisplayMetrics mDisplayMetrics = null;
HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
= new HashMap<ResourcesKey, WeakReference<Resources> >();
final HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
= new HashMap<ResourcesKey, WeakReference<Resources> >();
final ArrayList<ActivityRecord> mRelaunchingActivities
= new ArrayList<ActivityRecord>();
Configuration mPendingConfiguration = null;
Configuration mPendingConfiguration = null;
// The lock of mProviderMap protects the following variables.
final HashMap<String, ProviderRecord> mProviderMap
@ -2271,6 +2281,8 @@ public final class ActivityThread {
}
PackageInfo packageInfo = ref != null ? ref.get() : null;
//Slog.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
//if (packageInfo != null) Slog.i(TAG, "isUptoDate " + packageInfo.mResDir
// + ": " + packageInfo.mResources.getAssets().isUpToDate());
if (packageInfo != null && (packageInfo.mResources == null
|| packageInfo.mResources.getAssets().isUpToDate())) {
if (packageInfo.isSecurityViolation()
@ -2358,21 +2370,6 @@ public final class ActivityThread {
}
}
public final boolean hasPackageInfo(String packageName) {
synchronized (mPackages) {
WeakReference<PackageInfo> ref;
ref = mPackages.get(packageName);
if (ref != null && ref.get() != null) {
return true;
}
ref = mResourcePackages.get(packageName);
if (ref != null && ref.get() != null) {
return true;
}
return false;
}
}
ActivityThread() {
}
@ -4054,6 +4051,31 @@ public final class ActivityThread {
}
}
final void handleDispatchPackageBroadcast(int cmd, String[] packages) {
boolean hasPkgInfo = false;
if (packages != null) {
for (int i=packages.length-1; i>=0; i--) {
//Slog.i(TAG, "Cleaning old package: " + packages[i]);
if (!hasPkgInfo) {
WeakReference<PackageInfo> ref;
ref = mPackages.get(packages[i]);
if (ref != null && ref.get() != null) {
hasPkgInfo = true;
} else {
ref = mResourcePackages.get(packages[i]);
if (ref != null && ref.get() != null) {
hasPkgInfo = true;
}
}
}
mPackages.remove(packages[i]);
mResourcePackages.remove(packages[i]);
}
}
ContextImpl.ApplicationPackageManager.handlePackageBroadcast(cmd, packages,
hasPkgInfo);
}
final void handleLowMemory() {
ArrayList<ComponentCallbacks> callbacks
= new ArrayList<ComponentCallbacks>();

View File

@ -393,6 +393,15 @@ public abstract class ApplicationThreadNative extends Binder
mi.writeToParcel(reply, 0);
return true;
}
case DISPATCH_PACKAGE_BROADCAST_TRANSACTION:
{
data.enforceInterface(IApplicationThread.descriptor);
int cmd = data.readInt();
String[] packages = data.readStringArray();
dispatchPackageBroadcast(cmd, packages);
return true;
}
}
return super.onTransact(code, data, reply, flags);
@ -806,5 +815,16 @@ class ApplicationThreadProxy implements IApplicationThread {
data.recycle();
reply.recycle();
}
public void dispatchPackageBroadcast(int cmd, String[] packages) throws RemoteException {
Parcel data = Parcel.obtain();
data.writeInterfaceToken(IApplicationThread.descriptor);
data.writeInt(cmd);
data.writeStringArray(packages);
mRemote.transact(DISPATCH_PACKAGE_BROADCAST_TRANSACTION, data, null,
IBinder.FLAG_ONEWAY);
data.recycle();
}
}

View File

@ -2244,33 +2244,7 @@ class ContextImpl extends Context {
return null;
}
private void establishPackageRemovedReceiver() {
// mContext.registerReceiverInternal() winds up acquiring the
// main ActivityManagerService.this lock. If we hold our usual
// sSync global lock at the same time, we impose a required ordering
// on those two locks, which is not good for deadlock prevention.
// Use a dedicated lock around initialization of
// sPackageRemovedReceiver to avoid this.
synchronized (sPackageRemovedSync) {
if (sPackageRemovedReceiver == null) {
sPackageRemovedReceiver = new PackageRemovedReceiver();
IntentFilter filter = new IntentFilter(
Intent.ACTION_PACKAGE_REMOVED);
filter.addDataScheme("package");
mContext.registerReceiverInternal(sPackageRemovedReceiver,
filter, null, null, null);
// Register for events related to sdcard installation.
IntentFilter sdFilter = new IntentFilter();
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
mContext.registerReceiverInternal(sPackageRemovedReceiver,
sdFilter, null, null, null);
}
}
}
private void putCachedIcon(ResourceName name, Drawable dr) {
establishPackageRemovedReceiver();
synchronized (sSync) {
sIconCache.put(name, new WeakReference<Drawable>(dr));
if (DEBUG_ICONS) Log.v(TAG, "Added cached drawable for "
@ -2278,29 +2252,17 @@ class ContextImpl extends Context {
}
}
private static final class PackageRemovedReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String pkgList[] = null;
String action = intent.getAction();
boolean immediateGc = false;
if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) {
pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
immediateGc = true;
} else {
Uri data = intent.getData();
if (data != null) {
String ssp = data.getSchemeSpecificPart();
if (ssp != null) {
pkgList = new String[] { ssp };
}
}
}
if (pkgList != null && (pkgList.length > 0)) {
boolean needCleanup = false;
boolean hasPkgInfo = false;
for (String ssp : pkgList) {
synchronized (sSync) {
static final void handlePackageBroadcast(int cmd, String[] pkgList,
boolean hasPkgInfo) {
boolean immediateGc = false;
if (cmd == IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE) {
immediateGc = true;
}
if (pkgList != null && (pkgList.length > 0)) {
boolean needCleanup = false;
for (String ssp : pkgList) {
synchronized (sSync) {
if (sIconCache.size() > 0) {
Iterator<ResourceName> it = sIconCache.keySet().iterator();
while (it.hasNext()) {
ResourceName nm = it.next();
@ -2310,7 +2272,9 @@ class ContextImpl extends Context {
needCleanup = true;
}
}
it = sStringCache.keySet().iterator();
}
if (sStringCache.size() > 0) {
Iterator<ResourceName> it = sStringCache.keySet().iterator();
while (it.hasNext()) {
ResourceName nm = it.next();
if (nm.packageName.equals(ssp)) {
@ -2320,22 +2284,19 @@ class ContextImpl extends Context {
}
}
}
if (!hasPkgInfo) {
hasPkgInfo = ActivityThread.currentActivityThread().hasPackageInfo(ssp);
}
}
if (needCleanup || hasPkgInfo) {
if (immediateGc) {
// Schedule an immediate gc.
Runtime.getRuntime().gc();
} else {
ActivityThread.currentActivityThread().scheduleGcIdler();
}
}
if (needCleanup || hasPkgInfo) {
if (immediateGc) {
// Schedule an immediate gc.
Runtime.getRuntime().gc();
} else {
ActivityThread.currentActivityThread().scheduleGcIdler();
}
}
}
}
private static final class ResourceName {
final String packageName;
final int iconId;
@ -2400,8 +2361,6 @@ class ContextImpl extends Context {
}
private void putCachedString(ResourceName name, CharSequence cs) {
establishPackageRemovedReceiver();
synchronized (sSync) {
sStringCache.put(name, new WeakReference<CharSequence>(cs));
}
@ -2665,8 +2624,6 @@ class ContextImpl extends Context {
private final IPackageManager mPM;
private static final Object sSync = new Object();
private static final Object sPackageRemovedSync = new Object();
private static BroadcastReceiver sPackageRemovedReceiver;
private static HashMap<ResourceName, WeakReference<Drawable> > sIconCache
= new HashMap<ResourceName, WeakReference<Drawable> >();
private static HashMap<ResourceName, WeakReference<CharSequence> > sStringCache

View File

@ -100,6 +100,9 @@ public interface IApplicationThread extends IInterface {
throws RemoteException;
void setSchedulingGroup(int group) throws RemoteException;
void getMemoryInfo(Debug.MemoryInfo outInfo) throws RemoteException;
static final int PACKAGE_REMOVED = 0;
static final int EXTERNAL_STORAGE_UNAVAILABLE = 1;
void dispatchPackageBroadcast(int cmd, String[] packages) throws RemoteException;
String descriptor = "android.app.IApplicationThread";
@ -135,4 +138,5 @@ public interface IApplicationThread extends IInterface {
int SCHEDULE_DESTROY_BACKUP_AGENT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+30;
int GET_MEMORY_INFO_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+31;
int SCHEDULE_SUICIDE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+32;
int DISPATCH_PACKAGE_BROADCAST_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+33;
}

View File

@ -12269,6 +12269,18 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
}
}
private final void sendPackageBroadcastLocked(int cmd, String[] packages) {
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r.thread != null) {
try {
r.thread.dispatchPackageBroadcast(cmd, packages);
} catch (RemoteException ex) {
}
}
}
}
private final int broadcastIntentLocked(ProcessRecord callerApp,
String callerPackage, Intent intent, String resolvedType,
IIntentReceiver resultTo, int resultCode, String resultData,
@ -12315,6 +12327,8 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
for (String pkg : list) {
forceStopPackageLocked(pkg, -1, false, true, true);
}
sendPackageBroadcastLocked(
IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list);
}
} else {
Uri data = intent.getData();
@ -12324,6 +12338,10 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
forceStopPackageLocked(ssp,
intent.getIntExtra(Intent.EXTRA_UID, -1), false, true, true);
}
if (intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) {
sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED,
new String[] {ssp});
}
}
}
}