FileDocCategorySizeDatePackage
Settings.javaAPI DocAndroid 5.1 API168971Thu Mar 12 22:22:42 GMT 2015com.android.server.pm

Settings

public final class Settings extends Object
Holds information about dynamic settings.

Fields Summary
private static final String
TAG
private static final int
CURRENT_DATABASE_VERSION
Current version of the package database. Set it to the latest version in the {@link DatabaseVersion} class below to ensure the database upgrade doesn't happen repeatedly.

Note that care should be taken to make sure all database upgrades are idempotent.

private static final boolean
DEBUG_STOPPED
private static final boolean
DEBUG_MU
private static final String
TAG_READ_EXTERNAL_STORAGE
private static final String
ATTR_ENFORCEMENT
private static final String
TAG_ITEM
private static final String
TAG_DISABLED_COMPONENTS
private static final String
TAG_ENABLED_COMPONENTS
private static final String
TAG_PACKAGE_RESTRICTIONS
private static final String
TAG_PACKAGE
private static final String
TAG_PERSISTENT_PREFERRED_ACTIVITIES
static final String
TAG_CROSS_PROFILE_INTENT_FILTERS
private static final String
ATTR_NAME
private static final String
ATTR_USER
private static final String
ATTR_CODE
private static final String
ATTR_NOT_LAUNCHED
private static final String
ATTR_ENABLED
private static final String
ATTR_ENABLED_CALLER
private static final String
ATTR_STOPPED
private static final String
ATTR_BLOCKED
private static final String
ATTR_HIDDEN
private static final String
ATTR_INSTALLED
private static final String
ATTR_BLOCK_UNINSTALL
private final File
mSettingsFilename
private final File
mBackupSettingsFilename
private final File
mPackageListFilename
private final File
mStoppedPackagesFilename
private final File
mBackupStoppedPackagesFilename
final android.util.ArrayMap
mPackages
private final android.util.ArrayMap
mDisabledSysPackages
private static int
mFirstAvailableUid
int
mInternalSdkPlatform
int
mExternalSdkPlatform
int
mInternalDatabaseVersion
The current database version for apps on internal storage. This is used to upgrade the format of the packages.xml database not necessarily tied to an SDK version.
int
mExternalDatabaseVersion
String
mFingerprint
Last known value of {@link Build#FINGERPRINT}. Used to determine when an system update has occurred, meaning we need to clear code caches.
Boolean
mReadExternalStorageEnforced
private android.content.pm.VerifierDeviceIdentity
mVerifierDeviceIdentity
Device identity for the purpose of package verification.
final android.util.SparseArray
mPreferredActivities
final android.util.SparseArray
mPersistentPreferredActivities
final android.util.SparseArray
mCrossProfileIntentResolvers
final android.util.ArrayMap
mSharedUsers
private final ArrayList
mUserIds
private final android.util.SparseArray
mOtherUserIds
private final ArrayList
mPastSignatures
final android.util.ArrayMap
mPermissions
final android.util.ArrayMap
mPermissionTrees
final ArrayList
mPackagesToBeCleaned
final android.util.ArrayMap
mRenamedPackages
final StringBuilder
mReadMessages
private final ArrayList
mPendingPackages
Used to track packages that have a shared user ID that hasn't been read in yet.

TODO: make this just a local variable that is passed in during package scanning to make it less confusing.

private final File
mSystemDir
public final KeySetManagerService
mKeySetManagerService
static final Object[]
FLAG_DUMP_SPEC
Constructors Summary
Settings(android.content.Context context)


      
        this(context, Environment.getDataDirectory());
Settings(android.content.Context context, File dataDir)

        mSystemDir = new File(dataDir, "system");
        mSystemDir.mkdirs();
        FileUtils.setPermissions(mSystemDir.toString(),
                FileUtils.S_IRWXU|FileUtils.S_IRWXG
                |FileUtils.S_IROTH|FileUtils.S_IXOTH,
                -1, -1);
        mSettingsFilename = new File(mSystemDir, "packages.xml");
        mBackupSettingsFilename = new File(mSystemDir, "packages-backup.xml");
        mPackageListFilename = new File(mSystemDir, "packages.list");
        FileUtils.setPermissions(mPackageListFilename, 0640, SYSTEM_UID, PACKAGE_INFO_GID);

        // Deprecated: Needed for migration
        mStoppedPackagesFilename = new File(mSystemDir, "packages-stopped.xml");
        mBackupStoppedPackagesFilename = new File(mSystemDir, "packages-stopped-backup.xml");
Methods Summary
PackageSettingaddPackageLPw(java.lang.String name, java.lang.String realName, java.io.File codePath, java.io.File resourcePath, java.lang.String legacyNativeLibraryPathString, java.lang.String primaryCpuAbiString, java.lang.String secondaryCpuAbiString, java.lang.String cpuAbiOverrideString, int uid, int vc, int pkgFlags)

        PackageSetting p = mPackages.get(name);
        if (p != null) {
            if (p.appId == uid) {
                return p;
            }
            PackageManagerService.reportSettingsProblem(Log.ERROR,
                    "Adding duplicate package, keeping first: " + name);
            return null;
        }
        p = new PackageSetting(name, realName, codePath, resourcePath,
                legacyNativeLibraryPathString, primaryCpuAbiString, secondaryCpuAbiString,
                cpuAbiOverrideString, vc, pkgFlags);
        p.appId = uid;
        if (addUserIdLPw(uid, p, name)) {
            mPackages.put(name, p);
            return p;
        }
        return null;
private voidaddPackageSettingLPw(PackageSetting p, java.lang.String name, SharedUserSetting sharedUser)

        mPackages.put(name, p);
        if (sharedUser != null) {
            if (p.sharedUser != null && p.sharedUser != sharedUser) {
                PackageManagerService.reportSettingsProblem(Log.ERROR,
                        "Package " + p.name + " was user "
                        + p.sharedUser + " but is now " + sharedUser
                        + "; I am not changing its files so it will probably fail!");
                p.sharedUser.removePackage(p);
            } else if (p.appId != sharedUser.userId) {
                PackageManagerService.reportSettingsProblem(Log.ERROR,
                    "Package " + p.name + " was user id " + p.appId
                    + " but is now user " + sharedUser
                    + " with id " + sharedUser.userId
                    + "; I am not changing its files so it will probably fail!");
            }

            sharedUser.addPackage(p);
            p.sharedUser = sharedUser;
            p.appId = sharedUser.userId;
        }
voidaddPackageToCleanLPw(android.content.pm.PackageCleanItem pkg)

        if (!mPackagesToBeCleaned.contains(pkg)) {
            mPackagesToBeCleaned.add(pkg);
        }
SharedUserSettingaddSharedUserLPw(java.lang.String name, int uid, int pkgFlags)

        SharedUserSetting s = mSharedUsers.get(name);
        if (s != null) {
            if (s.userId == uid) {
                return s;
            }
            PackageManagerService.reportSettingsProblem(Log.ERROR,
                    "Adding duplicate shared user, keeping first: " + name);
            return null;
        }
        s = new SharedUserSetting(name, pkgFlags);
        s.userId = uid;
        if (addUserIdLPw(uid, s, name)) {
            mSharedUsers.put(name, s);
            return s;
        }
        return null;
private booleanaddUserIdLPw(int uid, java.lang.Object obj, java.lang.Object name)

        if (uid > Process.LAST_APPLICATION_UID) {
            return false;
        }

        if (uid >= Process.FIRST_APPLICATION_UID) {
            int N = mUserIds.size();
            final int index = uid - Process.FIRST_APPLICATION_UID;
            while (index >= N) {
                mUserIds.add(null);
                N++;
            }
            if (mUserIds.get(index) != null) {
                PackageManagerService.reportSettingsProblem(Log.ERROR,
                        "Adding duplicate user id: " + uid
                        + " name=" + name);
                return false;
            }
            mUserIds.set(index, obj);
        } else {
            if (mOtherUserIds.get(uid) != null) {
                PackageManagerService.reportSettingsProblem(Log.ERROR,
                        "Adding duplicate shared id: " + uid
                        + " name=" + name);
                return false;
            }
            mOtherUserIds.put(uid, obj);
        }
        return true;
private voidapplyDefaultPreferredActivityLPw(PackageManagerService service, android.content.IntentFilter tmpPa, android.content.ComponentName cn, int userId)

        // The initial preferences only specify the target activity
        // component and intent-filter, not the set of matches.  So we
        // now need to query for the matches to build the correct
        // preferred activity entry.
        if (PackageManagerService.DEBUG_PREFERRED) {
            Log.d(TAG, "Processing preferred:");
            tmpPa.dump(new LogPrinter(Log.DEBUG, TAG), "  ");
        }
        Intent intent = new Intent();
        int flags = 0;
        intent.setAction(tmpPa.getAction(0));
        for (int i=0; i<tmpPa.countCategories(); i++) {
            String cat = tmpPa.getCategory(i);
            if (cat.equals(Intent.CATEGORY_DEFAULT)) {
                flags |= PackageManager.MATCH_DEFAULT_ONLY;
            } else {
                intent.addCategory(cat);
            }
        }

        boolean doNonData = true;
        boolean hasSchemes = false;

        for (int ischeme=0; ischeme<tmpPa.countDataSchemes(); ischeme++) {
            boolean doScheme = true;
            String scheme = tmpPa.getDataScheme(ischeme);
            if (scheme != null && !scheme.isEmpty()) {
                hasSchemes = true;
            }
            for (int issp=0; issp<tmpPa.countDataSchemeSpecificParts(); issp++) {
                Uri.Builder builder = new Uri.Builder();
                builder.scheme(scheme);
                PatternMatcher ssp = tmpPa.getDataSchemeSpecificPart(issp);
                builder.opaquePart(ssp.getPath());
                Intent finalIntent = new Intent(intent);
                finalIntent.setData(builder.build());
                applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                        scheme, ssp, null, null, userId);
                doScheme = false;
            }
            for (int iauth=0; iauth<tmpPa.countDataAuthorities(); iauth++) {
                boolean doAuth = true;
                IntentFilter.AuthorityEntry auth = tmpPa.getDataAuthority(iauth);
                for (int ipath=0; ipath<tmpPa.countDataPaths(); ipath++) {
                    Uri.Builder builder = new Uri.Builder();
                    builder.scheme(scheme);
                    if (auth.getHost() != null) {
                        builder.authority(auth.getHost());
                    }
                    PatternMatcher path = tmpPa.getDataPath(ipath);
                    builder.path(path.getPath());
                    Intent finalIntent = new Intent(intent);
                    finalIntent.setData(builder.build());
                    applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                            scheme, null, auth, path, userId);
                    doAuth = doScheme = false;
                }
                if (doAuth) {
                    Uri.Builder builder = new Uri.Builder();
                    builder.scheme(scheme);
                    if (auth.getHost() != null) {
                        builder.authority(auth.getHost());
                    }
                    Intent finalIntent = new Intent(intent);
                    finalIntent.setData(builder.build());
                    applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                            scheme, null, auth, null, userId);
                    doScheme = false;
                }
            }
            if (doScheme) {
                Uri.Builder builder = new Uri.Builder();
                builder.scheme(scheme);
                Intent finalIntent = new Intent(intent);
                finalIntent.setData(builder.build());
                applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                        scheme, null, null, null, userId);
            }
            doNonData = false;
        }

        for (int idata=0; idata<tmpPa.countDataTypes(); idata++) {
            String mimeType = tmpPa.getDataType(idata);
            if (hasSchemes) {
                Uri.Builder builder = new Uri.Builder();
                for (int ischeme=0; ischeme<tmpPa.countDataSchemes(); ischeme++) {
                    String scheme = tmpPa.getDataScheme(ischeme);
                    if (scheme != null && !scheme.isEmpty()) {
                        Intent finalIntent = new Intent(intent);
                        builder.scheme(scheme);
                        finalIntent.setDataAndType(builder.build(), mimeType);
                        applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                                scheme, null, null, null, userId);
                    }
                }
            } else {
                Intent finalIntent = new Intent(intent);
                finalIntent.setType(mimeType);
                applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn,
                        null, null, null, null, userId);
            }
            doNonData = false;
        }

        if (doNonData) {
            applyDefaultPreferredActivityLPw(service, intent, flags, cn,
                    null, null, null, null, userId);
        }
private voidapplyDefaultPreferredActivityLPw(PackageManagerService service, android.content.Intent intent, int flags, android.content.ComponentName cn, java.lang.String scheme, android.os.PatternMatcher ssp, IntentFilter.AuthorityEntry auth, android.os.PatternMatcher path, int userId)

        List<ResolveInfo> ri = service.mActivities.queryIntent(intent,
                intent.getType(), flags, 0);
        if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Queried " + intent
                + " results: " + ri);
        int systemMatch = 0;
        int thirdPartyMatch = 0;
        if (ri != null && ri.size() > 1) {
            boolean haveAct = false;
            ComponentName haveNonSys = null;
            ComponentName[] set = new ComponentName[ri.size()];
            for (int i=0; i<ri.size(); i++) {
                ActivityInfo ai = ri.get(i).activityInfo;
                set[i] = new ComponentName(ai.packageName, ai.name);
                if ((ai.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) {
                    if (ri.get(i).match >= thirdPartyMatch) {
                        // Keep track of the best match we find of all third
                        // party apps, for use later to determine if we actually
                        // want to set a preferred app for this intent.
                        if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Result "
                                + ai.packageName + "/" + ai.name + ": non-system!");
                        haveNonSys = set[i];
                        break;
                    }
                } else if (cn.getPackageName().equals(ai.packageName)
                        && cn.getClassName().equals(ai.name)) {
                    if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Result "
                            + ai.packageName + "/" + ai.name + ": default!");
                    haveAct = true;
                    systemMatch = ri.get(i).match;
                } else {
                    if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Result "
                            + ai.packageName + "/" + ai.name + ": skipped");
                }
            }
            if (haveNonSys != null && thirdPartyMatch < systemMatch) {
                // If we have a matching third party app, but its match is not as
                // good as the built-in system app, then we don't want to actually
                // consider it a match because presumably the built-in app is still
                // the thing we want users to see by default.
                haveNonSys = null;
            }
            if (haveAct && haveNonSys == null) {
                IntentFilter filter = new IntentFilter();
                if (intent.getAction() != null) {
                    filter.addAction(intent.getAction());
                }
                if (intent.getCategories() != null) {
                    for (String cat : intent.getCategories()) {
                        filter.addCategory(cat);
                    }
                }
                if ((flags&PackageManager.MATCH_DEFAULT_ONLY) != 0) {
                    filter.addCategory(Intent.CATEGORY_DEFAULT);
                }
                if (scheme != null) {
                    filter.addDataScheme(scheme);
                }
                if (ssp != null) {
                    filter.addDataSchemeSpecificPart(ssp.getPath(), ssp.getType());
                }
                if (auth != null) {
                    filter.addDataAuthority(auth);
                }
                if (path != null) {
                    filter.addDataPath(path);
                }
                if (intent.getType() != null) {
                    try {
                        filter.addDataType(intent.getType());
                    } catch (IntentFilter.MalformedMimeTypeException ex) {
                        Slog.w(TAG, "Malformed mimetype " + intent.getType() + " for " + cn);
                    }
                }
                PreferredActivity pa = new PreferredActivity(filter, systemMatch, set, cn, true);
                editPreferredActivitiesLPw(userId).addFilter(pa);
            } else if (haveNonSys == null) {
                StringBuilder sb = new StringBuilder();
                sb.append("No component ");
                sb.append(cn.flattenToShortString());
                sb.append(" found setting preferred ");
                sb.append(intent);
                sb.append("; possible matches are ");
                for (int i=0; i<set.length; i++) {
                    if (i > 0) sb.append(", ");
                    sb.append(set[i].flattenToShortString());
                }
                Slog.w(TAG, sb.toString());
            } else {
                Slog.i(TAG, "Not setting preferred " + intent + "; found third party match "
                        + haveNonSys.flattenToShortString());
            }
        } else {
            Slog.w(TAG, "No potential matches found for " + intent + " while setting preferred "
                    + cn.flattenToShortString());
        }
private java.lang.StringcompToString(android.util.ArraySet cmp)

        return cmp != null ? Arrays.toString(cmp.toArray()) : "[]";
voidcreateNewUserLILPw(PackageManagerService service, Installer installer, int userHandle, java.io.File path)

        path.mkdir();
        FileUtils.setPermissions(path.toString(), FileUtils.S_IRWXU | FileUtils.S_IRWXG
                | FileUtils.S_IXOTH, -1, -1);
        for (PackageSetting ps : mPackages.values()) {
            if (ps.pkg == null || ps.pkg.applicationInfo == null) {
                continue;
            }
            // Only system apps are initially installed.
            ps.setInstalled((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0, userHandle);
            // Need to create a data directory for all apps under this user.
            installer.createUserData(ps.name,
                    UserHandle.getUid(userHandle, ps.appId), userHandle,
                    ps.pkg.applicationInfo.seinfo);
        }
        readDefaultPreferredAppsLPw(service, userHandle);
        writePackageRestrictionsLPr(userHandle);
booleandisableSystemPackageLPw(java.lang.String name)

        final PackageSetting p = mPackages.get(name);
        if(p == null) {
            Log.w(PackageManagerService.TAG, "Package:"+name+" is not an installed package");
            return false;
        }
        final PackageSetting dp = mDisabledSysPackages.get(name);
        // always make sure the system package code and resource paths dont change
        if (dp == null) {
            if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
                p.pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
            }
            mDisabledSysPackages.put(name, p);

            // a little trick...  when we install the new package, we don't
            // want to modify the existing PackageSetting for the built-in
            // version.  so at this point we need a new PackageSetting that
            // is okay to muck with.
            PackageSetting newp = new PackageSetting(p);
            replacePackageLPw(name, newp);
            return true;
        }
        return false;
voiddumpPackageLPr(java.io.PrintWriter pw, java.lang.String prefix, java.lang.String checkinTag, PackageSetting ps, java.text.SimpleDateFormat sdf, java.util.Date date, java.util.List users)


            
                  
        if (checkinTag != null) {
            pw.print(checkinTag);
            pw.print(",");
            pw.print(ps.realName != null ? ps.realName : ps.name);
            pw.print(",");
            pw.print(ps.appId);
            pw.print(",");
            pw.print(ps.versionCode);
            pw.print(",");
            pw.print(ps.firstInstallTime);
            pw.print(",");
            pw.print(ps.lastUpdateTime);
            pw.print(",");
            pw.print(ps.installerPackageName != null ? ps.installerPackageName : "?");
            pw.println();
            if (ps.pkg != null) {
                pw.print(checkinTag); pw.print("-"); pw.print("splt,");
                pw.print("base,");
                pw.println(ps.pkg.baseRevisionCode);
                if (ps.pkg.splitNames != null) {
                    for (int i = 0; i < ps.pkg.splitNames.length; i++) {
                        pw.print(checkinTag); pw.print("-"); pw.print("splt,");
                        pw.print(ps.pkg.splitNames[i]); pw.print(",");
                        pw.println(ps.pkg.splitRevisionCodes[i]);
                    }
                }
            }
            for (UserInfo user : users) {
                pw.print(checkinTag);
                pw.print("-");
                pw.print("usr");
                pw.print(",");
                pw.print(user.id);
                pw.print(",");
                pw.print(ps.getInstalled(user.id) ? "I" : "i");
                pw.print(ps.getHidden(user.id) ? "B" : "b");
                pw.print(ps.getStopped(user.id) ? "S" : "s");
                pw.print(ps.getNotLaunched(user.id) ? "l" : "L");
                pw.print(",");
                pw.print(ps.getEnabled(user.id));
                String lastDisabledAppCaller = ps.getLastDisabledAppCaller(user.id);
                pw.print(",");
                pw.print(lastDisabledAppCaller != null ? lastDisabledAppCaller : "?");
                pw.println();
            }
            return;
        }

        pw.print(prefix); pw.print("Package [");
            pw.print(ps.realName != null ? ps.realName : ps.name);
            pw.print("] (");
            pw.print(Integer.toHexString(System.identityHashCode(ps)));
            pw.println("):");

        if (ps.realName != null) {
            pw.print(prefix); pw.print("  compat name=");
            pw.println(ps.name);
        }

        pw.print(prefix); pw.print("  userId="); pw.print(ps.appId);
                pw.print(" gids="); pw.println(PackageManagerService.arrayToString(ps.gids));
        if (ps.sharedUser != null) {
            pw.print(prefix); pw.print("  sharedUser="); pw.println(ps.sharedUser);
        }
        pw.print(prefix); pw.print("  pkg="); pw.println(ps.pkg);
        pw.print(prefix); pw.print("  codePath="); pw.println(ps.codePathString);
        pw.print(prefix); pw.print("  resourcePath="); pw.println(ps.resourcePathString);
        pw.print(prefix); pw.print("  legacyNativeLibraryDir="); pw.println(ps.legacyNativeLibraryPathString);
        pw.print(prefix); pw.print("  primaryCpuAbi="); pw.println(ps.primaryCpuAbiString);
        pw.print(prefix); pw.print("  secondaryCpuAbi="); pw.println(ps.secondaryCpuAbiString);
        pw.print(prefix); pw.print("  versionCode="); pw.print(ps.versionCode);
        if (ps.pkg != null) {
            pw.print(" targetSdk="); pw.print(ps.pkg.applicationInfo.targetSdkVersion);
        }
        pw.println();
        if (ps.pkg != null) {
            pw.print(prefix); pw.print("  versionName="); pw.println(ps.pkg.mVersionName);
            pw.print(prefix); pw.print("  splits="); dumpSplitNames(pw, ps.pkg); pw.println();
            pw.print(prefix); pw.print("  applicationInfo=");
                pw.println(ps.pkg.applicationInfo.toString());
            pw.print(prefix); pw.print("  flags="); printFlags(pw, ps.pkg.applicationInfo.flags,
                    FLAG_DUMP_SPEC); pw.println();
            pw.print(prefix); pw.print("  dataDir="); pw.println(ps.pkg.applicationInfo.dataDir);
            if (ps.pkg.mOperationPending) {
                pw.print(prefix); pw.println("  mOperationPending=true");
            }
            pw.print(prefix); pw.print("  supportsScreens=[");
            boolean first = true;
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_SMALL_SCREENS) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("small");
            }
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_NORMAL_SCREENS) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("medium");
            }
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_LARGE_SCREENS) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("large");
            }
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_XLARGE_SCREENS) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("xlarge");
            }
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_RESIZEABLE_FOR_SCREENS) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("resizeable");
            }
            if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) != 0) {
                if (!first)
                    pw.print(", ");
                first = false;
                pw.print("anyDensity");
            }
            pw.println("]");
            if (ps.pkg.libraryNames != null && ps.pkg.libraryNames.size() > 0) {
                pw.print(prefix); pw.println("  libraries:");
                for (int i=0; i<ps.pkg.libraryNames.size(); i++) {
                    pw.print(prefix); pw.print("    "); pw.println(ps.pkg.libraryNames.get(i));
                }
            }
            if (ps.pkg.usesLibraries != null && ps.pkg.usesLibraries.size() > 0) {
                pw.print(prefix); pw.println("  usesLibraries:");
                for (int i=0; i<ps.pkg.usesLibraries.size(); i++) {
                    pw.print(prefix); pw.print("    "); pw.println(ps.pkg.usesLibraries.get(i));
                }
            }
            if (ps.pkg.usesOptionalLibraries != null
                    && ps.pkg.usesOptionalLibraries.size() > 0) {
                pw.print(prefix); pw.println("  usesOptionalLibraries:");
                for (int i=0; i<ps.pkg.usesOptionalLibraries.size(); i++) {
                    pw.print(prefix); pw.print("    ");
                        pw.println(ps.pkg.usesOptionalLibraries.get(i));
                }
            }
            if (ps.pkg.usesLibraryFiles != null
                    && ps.pkg.usesLibraryFiles.length > 0) {
                pw.print(prefix); pw.println("  usesLibraryFiles:");
                for (int i=0; i<ps.pkg.usesLibraryFiles.length; i++) {
                    pw.print(prefix); pw.print("    "); pw.println(ps.pkg.usesLibraryFiles[i]);
                }
            }
        }
        pw.print(prefix); pw.print("  timeStamp=");
            date.setTime(ps.timeStamp);
            pw.println(sdf.format(date));
        pw.print(prefix); pw.print("  firstInstallTime=");
            date.setTime(ps.firstInstallTime);
            pw.println(sdf.format(date));
        pw.print(prefix); pw.print("  lastUpdateTime=");
            date.setTime(ps.lastUpdateTime);
            pw.println(sdf.format(date));
        if (ps.installerPackageName != null) {
            pw.print(prefix); pw.print("  installerPackageName=");
                    pw.println(ps.installerPackageName);
        }
        pw.print(prefix); pw.print("  signatures="); pw.println(ps.signatures);
        pw.print(prefix); pw.print("  permissionsFixed="); pw.print(ps.permissionsFixed);
                pw.print(" haveGids="); pw.print(ps.haveGids);
                pw.print(" installStatus="); pw.println(ps.installStatus);
        pw.print(prefix); pw.print("  pkgFlags="); printFlags(pw, ps.pkgFlags, FLAG_DUMP_SPEC);
                pw.println();
        for (UserInfo user : users) {
            pw.print(prefix); pw.print("  User "); pw.print(user.id); pw.print(": ");
            pw.print(" installed=");
            pw.print(ps.getInstalled(user.id));
            pw.print(" hidden=");
            pw.print(ps.getHidden(user.id));
            pw.print(" stopped=");
            pw.print(ps.getStopped(user.id));
            pw.print(" notLaunched=");
            pw.print(ps.getNotLaunched(user.id));
            pw.print(" enabled=");
            pw.println(ps.getEnabled(user.id));
            String lastDisabledAppCaller = ps.getLastDisabledAppCaller(user.id);
            if (lastDisabledAppCaller != null) {
                pw.print(prefix); pw.print("    lastDisabledCaller: ");
                        pw.println(lastDisabledAppCaller);
            }
            ArraySet<String> cmp = ps.getDisabledComponents(user.id);
            if (cmp != null && cmp.size() > 0) {
                pw.print(prefix); pw.println("    disabledComponents:");
                for (String s : cmp) {
                    pw.print(prefix); pw.print("    "); pw.println(s);
                }
            }
            cmp = ps.getEnabledComponents(user.id);
            if (cmp != null && cmp.size() > 0) {
                pw.print(prefix); pw.println("    enabledComponents:");
                for (String s : cmp) {
                    pw.print(prefix); pw.print("    "); pw.println(s);
                }
            }
        }
        if (ps.grantedPermissions.size() > 0) {
            pw.print(prefix); pw.println("  grantedPermissions:");
            for (String s : ps.grantedPermissions) {
                pw.print(prefix); pw.print("    "); pw.println(s);
            }
        }
voiddumpPackagesLPr(java.io.PrintWriter pw, java.lang.String packageName, com.android.server.pm.PackageManagerService.DumpState dumpState, boolean checkin)

        final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        final Date date = new Date();
        boolean printedSomething = false;
        List<UserInfo> users = getAllUsers();
        for (final PackageSetting ps : mPackages.values()) {
            if (packageName != null && !packageName.equals(ps.realName)
                    && !packageName.equals(ps.name)) {
                continue;
            }

            if (!checkin && packageName != null) {
                dumpState.setSharedUser(ps.sharedUser);
            }

            if (!checkin && !printedSomething) {
                if (dumpState.onTitlePrinted())
                    pw.println();
                pw.println("Packages:");
                printedSomething = true;
            }
            dumpPackageLPr(pw, "  ", checkin ? "pkg" : null, ps, sdf, date, users);
        }

        printedSomething = false;
        if (!checkin && mRenamedPackages.size() > 0) {
            for (final Map.Entry<String, String> e : mRenamedPackages.entrySet()) {
                if (packageName != null && !packageName.equals(e.getKey())
                        && !packageName.equals(e.getValue())) {
                    continue;
                }
                if (!checkin) {
                    if (!printedSomething) {
                        if (dumpState.onTitlePrinted())
                            pw.println();
                        pw.println("Renamed packages:");
                        printedSomething = true;
                    }
                    pw.print("  ");
                } else {
                    pw.print("ren,");
                }
                pw.print(e.getKey());
                pw.print(checkin ? " -> " : ",");
                pw.println(e.getValue());
            }
        }

        printedSomething = false;
        if (mDisabledSysPackages.size() > 0) {
            for (final PackageSetting ps : mDisabledSysPackages.values()) {
                if (packageName != null && !packageName.equals(ps.realName)
                        && !packageName.equals(ps.name)) {
                    continue;
                }
                if (!checkin && !printedSomething) {
                    if (dumpState.onTitlePrinted())
                        pw.println();
                    pw.println("Hidden system packages:");
                    printedSomething = true;
                }
                dumpPackageLPr(pw, "  ", checkin ? "dis" : null, ps, sdf, date, users);
            }
        }
voiddumpPermissionsLPr(java.io.PrintWriter pw, java.lang.String packageName, com.android.server.pm.PackageManagerService.DumpState dumpState)

        boolean printedSomething = false;
        for (BasePermission p : mPermissions.values()) {
            if (packageName != null && !packageName.equals(p.sourcePackage)) {
                continue;
            }
            if (!printedSomething) {
                if (dumpState.onTitlePrinted())
                    pw.println();
                pw.println("Permissions:");
                printedSomething = true;
            }
            pw.print("  Permission ["); pw.print(p.name); pw.print("] (");
                    pw.print(Integer.toHexString(System.identityHashCode(p)));
                    pw.println("):");
            pw.print("    sourcePackage="); pw.println(p.sourcePackage);
            pw.print("    uid="); pw.print(p.uid);
                    pw.print(" gids="); pw.print(PackageManagerService.arrayToString(p.gids));
                    pw.print(" type="); pw.print(p.type);
                    pw.print(" prot=");
                    pw.println(PermissionInfo.protectionToString(p.protectionLevel));
            if (p.packageSetting != null) {
                pw.print("    packageSetting="); pw.println(p.packageSetting);
            }
            if (p.perm != null) {
                pw.print("    perm="); pw.println(p.perm);
            }
            if (READ_EXTERNAL_STORAGE.equals(p.name)) {
                pw.print("    enforced=");
                pw.println(mReadExternalStorageEnforced);
            }
        }
voiddumpReadMessagesLPr(java.io.PrintWriter pw, com.android.server.pm.PackageManagerService.DumpState dumpState)

        pw.println("Settings parse messages:");
        pw.print(mReadMessages.toString());
voiddumpSharedUsersLPr(java.io.PrintWriter pw, java.lang.String packageName, com.android.server.pm.PackageManagerService.DumpState dumpState, boolean checkin)

        boolean printedSomething = false;
        for (SharedUserSetting su : mSharedUsers.values()) {
            if (packageName != null && su != dumpState.getSharedUser()) {
                continue;
            }
            if (!checkin) {
                if (!printedSomething) {
                    if (dumpState.onTitlePrinted())
                        pw.println();
                    pw.println("Shared users:");
                    printedSomething = true;
                }
                pw.print("  SharedUser [");
                pw.print(su.name);
                pw.print("] (");
                pw.print(Integer.toHexString(System.identityHashCode(su)));
                        pw.println("):");
                pw.print("    userId=");
                pw.print(su.userId);
                pw.print(" gids=");
                pw.println(PackageManagerService.arrayToString(su.gids));
                pw.println("    grantedPermissions:");
                for (String s : su.grantedPermissions) {
                    pw.print("      ");
                    pw.println(s);
                }
            } else {
                pw.print("suid,"); pw.print(su.userId); pw.print(","); pw.println(su.name);
            }
        }
private static voiddumpSplitNames(java.io.PrintWriter pw, PackageParser.Package pkg)

        if (pkg == null) {
            pw.print("unknown");
        } else {
            // [base:10, config.mdpi, config.xhdpi:12]
            pw.print("[");
            pw.print("base");
            if (pkg.baseRevisionCode != 0) {
                pw.print(":"); pw.print(pkg.baseRevisionCode);
            }
            if (pkg.splitNames != null) {
                for (int i = 0; i < pkg.splitNames.length; i++) {
                    pw.print(", ");
                    pw.print(pkg.splitNames[i]);
                    if (pkg.splitRevisionCodes[i] != 0) {
                        pw.print(":"); pw.print(pkg.splitRevisionCodes[i]);
                    }
                }
            }
            pw.print("]");
        }
CrossProfileIntentResolvereditCrossProfileIntentResolverLPw(int userId)

        CrossProfileIntentResolver cpir = mCrossProfileIntentResolvers.get(userId);
        if (cpir == null) {
            cpir = new CrossProfileIntentResolver();
            mCrossProfileIntentResolvers.put(userId, cpir);
        }
        return cpir;
PersistentPreferredIntentResolvereditPersistentPreferredActivitiesLPw(int userId)

        PersistentPreferredIntentResolver ppir = mPersistentPreferredActivities.get(userId);
        if (ppir == null) {
            ppir = new PersistentPreferredIntentResolver();
            mPersistentPreferredActivities.put(userId, ppir);
        }
        return ppir;
PreferredIntentResolvereditPreferredActivitiesLPw(int userId)

        PreferredIntentResolver pir = mPreferredActivities.get(userId);
        if (pir == null) {
            pir = new PreferredIntentResolver();
            mPreferredActivities.put(userId, pir);
        }
        return pir;
PackageSettingenableSystemPackageLPw(java.lang.String name)

        PackageSetting p = mDisabledSysPackages.get(name);
        if(p == null) {
            Log.w(PackageManagerService.TAG, "Package:"+name+" is not disabled");
            return null;
        }
        // Reset flag in ApplicationInfo object
        if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
            p.pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
        }
        PackageSetting ret = addPackageLPw(name, p.realName, p.codePath, p.resourcePath,
                p.legacyNativeLibraryPathString, p.primaryCpuAbiString,
                p.secondaryCpuAbiString, p.secondaryCpuAbiString,
                p.appId, p.versionCode, p.pkgFlags);
        mDisabledSysPackages.remove(name);
        return ret;
java.util.CollectiongetAllSharedUsersLPw()

        return mSharedUsers.values();
private java.util.ListgetAllUsers()

        long id = Binder.clearCallingIdentity();
        try {
            return UserManagerService.getInstance().getUsers(false);
        } catch (NullPointerException npe) {
            // packagemanager not yet initialized
        } finally {
            Binder.restoreCallingIdentity(id);
        }
        return null;
intgetApplicationEnabledSettingLPr(java.lang.String packageName, int userId)

        final PackageSetting pkg = mPackages.get(packageName);
        if (pkg == null) {
            throw new IllegalArgumentException("Unknown package: " + packageName);
        }
        return pkg.getEnabled(userId);
intgetComponentEnabledSettingLPr(android.content.ComponentName componentName, int userId)

        final String packageName = componentName.getPackageName();
        final PackageSetting pkg = mPackages.get(packageName);
        if (pkg == null) {
            throw new IllegalArgumentException("Unknown component: " + componentName);
        }
        final String classNameStr = componentName.getClassName();
        return pkg.getCurrentEnabledStateLPr(classNameStr, userId);
public PackageSettinggetDisabledSystemPkgLPr(java.lang.String name)

        PackageSetting ps = mDisabledSysPackages.get(name);
        return ps;
java.lang.StringgetInstallerPackageNameLPr(java.lang.String packageName)

        final PackageSetting pkg = mPackages.get(packageName);
        if (pkg == null) {
            throw new IllegalArgumentException("Unknown package: " + packageName);
        }
        return pkg.installerPackageName;
java.util.ArrayListgetListOfIncompleteInstallPackagesLPr()

        final ArraySet<String> kList = new ArraySet<String>(mPackages.keySet());
        final Iterator<String> its = kList.iterator();
        final ArrayList<PackageSetting> ret = new ArrayList<PackageSetting>();
        while (its.hasNext()) {
            final String key = its.next();
            final PackageSetting ps = mPackages.get(key);
            if (ps.getInstallStatus() == PackageSettingBase.PKG_INSTALL_INCOMPLETE) {
                ret.add(ps);
            }
        }
        return ret;
private PackageSettinggetPackageLPw(java.lang.String name, PackageSetting origPackage, java.lang.String realName, SharedUserSetting sharedUser, java.io.File codePath, java.io.File resourcePath, java.lang.String legacyNativeLibraryPathString, java.lang.String primaryCpuAbiString, java.lang.String secondaryCpuAbiString, int vc, int pkgFlags, android.os.UserHandle installUser, boolean add, boolean allowInstall)

        PackageSetting p = mPackages.get(name);
        UserManagerService userManager = UserManagerService.getInstance();
        if (p != null) {
            p.primaryCpuAbiString = primaryCpuAbiString;
            p.secondaryCpuAbiString = secondaryCpuAbiString;

            if (!p.codePath.equals(codePath)) {
                // Check to see if its a disabled system app
                if ((p.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
                    // This is an updated system app with versions in both system
                    // and data partition. Just let the most recent version
                    // take precedence.
                    Slog.w(PackageManagerService.TAG, "Trying to update system app code path from "
                            + p.codePathString + " to " + codePath.toString());
                } else {
                    // Just a change in the code path is not an issue, but
                    // let's log a message about it.
                    Slog.i(PackageManagerService.TAG, "Package " + name + " codePath changed from "
                            + p.codePath + " to " + codePath + "; Retaining data and using new");
                    /*
                     * Since we've changed paths, we need to prefer the new
                     * native library path over the one stored in the
                     * package settings since we might have moved from
                     * internal to external storage or vice versa.
                     */
                    p.legacyNativeLibraryPathString = legacyNativeLibraryPathString;
                }
            }
            if (p.sharedUser != sharedUser) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Package " + name + " shared user changed from "
                        + (p.sharedUser != null ? p.sharedUser.name : "<nothing>")
                        + " to "
                        + (sharedUser != null ? sharedUser.name : "<nothing>")
                        + "; replacing with new");
                p = null;
            } else {
                // If what we are scanning is a system (and possibly privileged) package,
                // then make it so, regardless of whether it was previously installed only
                // in the data partition.
                final int sysPrivFlags = pkgFlags
                        & (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PRIVILEGED);
                p.pkgFlags |= sysPrivFlags;
            }
        }
        if (p == null) {
            if (origPackage != null) {
                // We are consuming the data from an existing package.
                p = new PackageSetting(origPackage.name, name, codePath, resourcePath,
                        legacyNativeLibraryPathString, primaryCpuAbiString, secondaryCpuAbiString,
                        null /* cpuAbiOverrideString */, vc, pkgFlags);
                if (PackageManagerService.DEBUG_UPGRADE) Log.v(PackageManagerService.TAG, "Package "
                        + name + " is adopting original package " + origPackage.name);
                // Note that we will retain the new package's signature so
                // that we can keep its data.
                PackageSignatures s = p.signatures;
                p.copyFrom(origPackage);
                p.signatures = s;
                p.sharedUser = origPackage.sharedUser;
                p.appId = origPackage.appId;
                p.origPackage = origPackage;
                mRenamedPackages.put(name, origPackage.name);
                name = origPackage.name;
                // Update new package state.
                p.setTimeStamp(codePath.lastModified());
            } else {
                p = new PackageSetting(name, realName, codePath, resourcePath,
                        legacyNativeLibraryPathString, primaryCpuAbiString, secondaryCpuAbiString,
                        null /* cpuAbiOverrideString */, vc, pkgFlags);
                p.setTimeStamp(codePath.lastModified());
                p.sharedUser = sharedUser;
                // If this is not a system app, it starts out stopped.
                if ((pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
                    if (DEBUG_STOPPED) {
                        RuntimeException e = new RuntimeException("here");
                        e.fillInStackTrace();
                        Slog.i(PackageManagerService.TAG, "Stopping package " + name, e);
                    }
                    List<UserInfo> users = getAllUsers();
                    final int installUserId = installUser != null ? installUser.getIdentifier() : 0;
                    if (users != null && allowInstall) {
                        for (UserInfo user : users) {
                            // By default we consider this app to be installed
                            // for the user if no user has been specified (which
                            // means to leave it at its original value, and the
                            // original default value is true), or we are being
                            // asked to install for all users, or this is the
                            // user we are installing for.
                            final boolean installed = installUser == null
                                    || (installUserId == UserHandle.USER_ALL
                                        && !isAdbInstallDisallowed(userManager, user.id))
                                    || installUserId == user.id;
                            p.setUserState(user.id, COMPONENT_ENABLED_STATE_DEFAULT,
                                    installed,
                                    true, // stopped,
                                    true, // notLaunched
                                    false, // hidden
                                    null, null, null,
                                    false // blockUninstall
                                    );
                            writePackageRestrictionsLPr(user.id);
                        }
                    }
                }
                if (sharedUser != null) {
                    p.appId = sharedUser.userId;
                } else {
                    // Clone the setting here for disabled system packages
                    PackageSetting dis = mDisabledSysPackages.get(name);
                    if (dis != null) {
                        // For disabled packages a new setting is created
                        // from the existing user id. This still has to be
                        // added to list of user id's
                        // Copy signatures from previous setting
                        if (dis.signatures.mSignatures != null) {
                            p.signatures.mSignatures = dis.signatures.mSignatures.clone();
                        }
                        p.appId = dis.appId;
                        // Clone permissions
                        p.grantedPermissions = new ArraySet<String>(dis.grantedPermissions);
                        // Clone component info
                        List<UserInfo> users = getAllUsers();
                        if (users != null) {
                            for (UserInfo user : users) {
                                int userId = user.id;
                                p.setDisabledComponentsCopy(
                                        dis.getDisabledComponents(userId), userId);
                                p.setEnabledComponentsCopy(
                                        dis.getEnabledComponents(userId), userId);
                            }
                        }
                        // Add new setting to list of user ids
                        addUserIdLPw(p.appId, p, name);
                    } else {
                        // Assign new user id
                        p.appId = newUserIdLPw(p);
                    }
                }
            }
            if (p.appId < 0) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Package " + name + " could not be assigned a valid uid");
                return null;
            }
            if (add) {
                // Finish adding new package by adding it and updating shared
                // user preferences
                addPackageSettingLPw(p, name, sharedUser);
            }
        } else {
            if (installUser != null && allowInstall) {
                // The caller has explicitly specified the user they want this
                // package installed for, and the package already exists.
                // Make sure it conforms to the new request.
                List<UserInfo> users = getAllUsers();
                if (users != null) {
                    for (UserInfo user : users) {
                        if ((installUser.getIdentifier() == UserHandle.USER_ALL
                                    && !isAdbInstallDisallowed(userManager, user.id))
                                || installUser.getIdentifier() == user.id) {
                            boolean installed = p.getInstalled(user.id);
                            if (!installed) {
                                p.setInstalled(true, user.id);
                                writePackageRestrictionsLPr(user.id);
                            }
                        }
                    }
                }
            }
        }
        return p;
PackageSettinggetPackageLPw(PackageParser.Package pkg, PackageSetting origPackage, java.lang.String realName, SharedUserSetting sharedUser, java.io.File codePath, java.io.File resourcePath, java.lang.String legacyNativeLibraryPathString, java.lang.String primaryCpuAbi, java.lang.String secondaryCpuAbi, int pkgFlags, android.os.UserHandle user, boolean add)

        final String name = pkg.packageName;
        PackageSetting p = getPackageLPw(name, origPackage, realName, sharedUser, codePath,
                resourcePath, legacyNativeLibraryPathString, primaryCpuAbi, secondaryCpuAbi,
                pkg.mVersionCode, pkgFlags, user, add, true /* allowInstall */);
        return p;
SharedUserSettinggetSharedUserLPw(java.lang.String name, int pkgFlags, boolean create)

        SharedUserSetting s = mSharedUsers.get(name);
        if (s == null) {
            if (!create) {
                return null;
            }
            s = new SharedUserSetting(name, pkgFlags);
            s.userId = newUserIdLPw(s);
            Log.i(PackageManagerService.TAG, "New shared user " + name + ": id=" + s.userId);
            // < 0 means we couldn't assign a userid; fall out and return
            // s, which is currently null
            if (s.userId >= 0) {
                mSharedUsers.put(name, s);
            }
        }

        return s;
public java.lang.ObjectgetUserIdLPr(int uid)

        if (uid >= Process.FIRST_APPLICATION_UID) {
            final int N = mUserIds.size();
            final int index = uid - Process.FIRST_APPLICATION_UID;
            return index < N ? mUserIds.get(index) : null;
        } else {
            return mOtherUserIds.get(uid);
        }
private java.io.FilegetUserPackagesStateBackupFile(int userId)

        return new File(Environment.getUserSystemDirectory(userId),
                "package-restrictions-backup.xml");
private java.io.FilegetUserPackagesStateFile(int userId)

        return new File(Environment.getUserSystemDirectory(userId), "package-restrictions.xml");
public android.content.pm.VerifierDeviceIdentitygetVerifierDeviceIdentityLPw()

        if (mVerifierDeviceIdentity == null) {
            mVerifierDeviceIdentity = VerifierDeviceIdentity.generate();

            writeLPr();
        }

        return mVerifierDeviceIdentity;
voidinsertPackageSettingLPw(PackageSetting p, PackageParser.Package pkg)

        p.pkg = pkg;
        // pkg.mSetEnabled = p.getEnabled(userId);
        // pkg.mSetStopped = p.getStopped(userId);
        final String codePath = pkg.applicationInfo.getCodePath();
        final String resourcePath = pkg.applicationInfo.getResourcePath();
        final String legacyNativeLibraryPath = pkg.applicationInfo.nativeLibraryRootDir;
        // Update code path if needed
        if (!Objects.equals(codePath, p.codePathString)) {
            Slog.w(PackageManagerService.TAG, "Code path for pkg : " + p.pkg.packageName +
                    " changing from " + p.codePathString + " to " + codePath);
            p.codePath = new File(codePath);
            p.codePathString = codePath;
        }
        //Update resource path if needed
        if (!Objects.equals(resourcePath, p.resourcePathString)) {
            Slog.w(PackageManagerService.TAG, "Resource path for pkg : " + p.pkg.packageName +
                    " changing from " + p.resourcePathString + " to " + resourcePath);
            p.resourcePath = new File(resourcePath);
            p.resourcePathString = resourcePath;
        }
        // Update the native library paths if needed
        if (!Objects.equals(legacyNativeLibraryPath, p.legacyNativeLibraryPathString)) {
            p.legacyNativeLibraryPathString = legacyNativeLibraryPath;
        }

        // Update the required Cpu Abi
        p.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
        p.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
        p.cpuAbiOverrideString = pkg.cpuAbiOverride;
        // Update version code if needed
        if (pkg.mVersionCode != p.versionCode) {
            p.versionCode = pkg.mVersionCode;
        }
        // Update signatures if needed.
        if (p.signatures.mSignatures == null) {
            p.signatures.assignSignatures(pkg.mSignatures);
        }
        // Update flags if needed.
        if (pkg.applicationInfo.flags != p.pkgFlags) {
            p.pkgFlags = pkg.applicationInfo.flags;
        }
        // If this app defines a shared user id initialize
        // the shared user signatures as well.
        if (p.sharedUser != null && p.sharedUser.signatures.mSignatures == null) {
            p.sharedUser.signatures.assignSignatures(pkg.mSignatures);
        }
        addPackageSettingLPw(p, pkg.packageName, p.sharedUser);
booleanisAdbInstallDisallowed(UserManagerService userManager, int userId)

        return userManager.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES,
                userId);
booleanisDisabledSystemPackageLPr(java.lang.String name)

        return mDisabledSysPackages.containsKey(name);
booleanisEnabledLPr(android.content.pm.ComponentInfo componentInfo, int flags, int userId)

        if ((flags&PackageManager.GET_DISABLED_COMPONENTS) != 0) {
            return true;
        }
        final String pkgName = componentInfo.packageName;
        final PackageSetting packageSettings = mPackages.get(pkgName);
        if (PackageManagerService.DEBUG_SETTINGS) {
            Log.v(PackageManagerService.TAG, "isEnabledLock - packageName = "
                    + componentInfo.packageName + " componentName = " + componentInfo.name);
            Log.v(PackageManagerService.TAG, "enabledComponents: "
                    + compToString(packageSettings.getEnabledComponents(userId)));
            Log.v(PackageManagerService.TAG, "disabledComponents: "
                    + compToString(packageSettings.getDisabledComponents(userId)));
        }
        if (packageSettings == null) {
            return false;
        }
        PackageUserState ustate = packageSettings.readUserState(userId);
        if ((flags&PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS) != 0) {
            if (ustate.enabled == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) {
                return true;
            }
        }
        if (ustate.enabled == COMPONENT_ENABLED_STATE_DISABLED
                || ustate.enabled == COMPONENT_ENABLED_STATE_DISABLED_USER
                || ustate.enabled == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED
                || (packageSettings.pkg != null && !packageSettings.pkg.applicationInfo.enabled
                    && ustate.enabled == COMPONENT_ENABLED_STATE_DEFAULT)) {
            return false;
        }
        if (ustate.enabledComponents != null
                && ustate.enabledComponents.contains(componentInfo.name)) {
            return true;
        }
        if (ustate.disabledComponents != null
                && ustate.disabledComponents.contains(componentInfo.name)) {
            return false;
        }
        return componentInfo.enabled;
public booleanisExternalDatabaseVersionOlderThan(int version)
Returns whether the current database has is older than {@code version} for apps on external storage.

        return mExternalDatabaseVersion < version;
public booleanisInternalDatabaseVersionOlderThan(int version)
Returns whether the current database has is older than {@code version} for apps on internal storage.

        return mInternalDatabaseVersion < version;
private intnewUserIdLPw(java.lang.Object obj)

        // Let's be stupidly inefficient for now...
        final int N = mUserIds.size();
        for (int i = mFirstAvailableUid; i < N; i++) {
            if (mUserIds.get(i) == null) {
                mUserIds.set(i, obj);
                return Process.FIRST_APPLICATION_UID + i;
            }
        }

        // None left?
        if (N > (Process.LAST_APPLICATION_UID-Process.FIRST_APPLICATION_UID)) {
            return -1;
        }

        mUserIds.add(obj);
        return Process.FIRST_APPLICATION_UID + N;
PackageSettingpeekPackageLPr(java.lang.String name)

        return mPackages.get(name);
static final voidprintFlags(java.io.PrintWriter pw, int val, java.lang.Object[] spec)

        pw.print("[ ");
        for (int i=0; i<spec.length; i+=2) {
            int mask = (Integer)spec[i];
            if ((val & mask) != 0) {
                pw.print(spec[i+1]);
                pw.print(" ");
            }
        }
        pw.print("]");
voidpruneSharedUsersLPw()

        ArrayList<String> removeStage = new ArrayList<String>();
        for (Map.Entry<String,SharedUserSetting> entry : mSharedUsers.entrySet()) {
            final SharedUserSetting sus = entry.getValue();
            if (sus == null || sus.packages.size() == 0) {
                removeStage.add(entry.getKey());
            }
        }
        for (int i = 0; i < removeStage.size(); i++) {
            mSharedUsers.remove(removeStage.get(i));
        }
voidreadAllUsersPackageRestrictionsLPr()

        List<UserInfo> users = getAllUsers();
        if (users == null) {
            readPackageRestrictionsLPr(0);
            return;
        }

        for (UserInfo user : users) {
            readPackageRestrictionsLPr(user.id);
        }
private android.util.ArraySetreadComponentsLPr(org.xmlpull.v1.XmlPullParser parser)

        ArraySet<String> components = null;
        int type;
        int outerDepth = parser.getDepth();
        String tagName;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG
                || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG
                    || type == XmlPullParser.TEXT) {
                continue;
            }
            tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                String componentName = parser.getAttributeValue(null, ATTR_NAME);
                if (componentName != null) {
                    if (components == null) {
                        components = new ArraySet<String>();
                    }
                    components.add(componentName);
                }
            }
        }
        return components;
private voidreadCrossProfileIntentFiltersLPw(org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }
            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                CrossProfileIntentFilter cpif = new CrossProfileIntentFilter(parser);
                editCrossProfileIntentResolverLPw(userId).addFilter(cpif);
            } else {
                String msg = "Unknown element under " +  TAG_CROSS_PROFILE_INTENT_FILTERS + ": " +
                        parser.getName();
                PackageManagerService.reportSettingsProblem(Log.WARN, msg);
                XmlUtils.skipCurrentTag(parser);
            }
        }
private voidreadDefaultPreferredActivitiesLPw(PackageManagerService service, org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                PreferredActivity tmpPa = new PreferredActivity(parser);
                if (tmpPa.mPref.getParseError() == null) {
                    applyDefaultPreferredActivityLPw(service, tmpPa, tmpPa.mPref.mComponent,
                            userId);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: <preferred-activity> "
                                    + tmpPa.mPref.getParseError() + " at "
                                    + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <preferred-activities>: " + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }
voidreadDefaultPreferredAppsLPw(PackageManagerService service, int userId)

        // First pull data from any pre-installed apps.
        for (PackageSetting ps : mPackages.values()) {
            if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0 && ps.pkg != null
                    && ps.pkg.preferredActivityFilters != null) {
                ArrayList<PackageParser.ActivityIntentInfo> intents
                        = ps.pkg.preferredActivityFilters;
                for (int i=0; i<intents.size(); i++) {
                    PackageParser.ActivityIntentInfo aii = intents.get(i);
                    applyDefaultPreferredActivityLPw(service, aii, new ComponentName(
                            ps.name, aii.activity.className), userId);
                }
            }
        }

        // Read preferred apps from .../etc/preferred-apps directory.
        File preferredDir = new File(Environment.getRootDirectory(), "etc/preferred-apps");
        if (!preferredDir.exists() || !preferredDir.isDirectory()) {
            return;
        }
        if (!preferredDir.canRead()) {
            Slog.w(TAG, "Directory " + preferredDir + " cannot be read");
            return;
        }

        // Iterate over the files in the directory and scan .xml files
        for (File f : preferredDir.listFiles()) {
            if (!f.getPath().endsWith(".xml")) {
                Slog.i(TAG, "Non-xml file " + f + " in " + preferredDir + " directory, ignoring");
                continue;
            }
            if (!f.canRead()) {
                Slog.w(TAG, "Preferred apps file " + f + " cannot be read");
                continue;
            }

            if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Reading default preferred " + f);
            FileInputStream str = null;
            try {
                str = new FileInputStream(f);
                XmlPullParser parser = Xml.newPullParser();
                parser.setInput(str, null);

                int type;
                while ((type = parser.next()) != XmlPullParser.START_TAG
                        && type != XmlPullParser.END_DOCUMENT) {
                    ;
                }

                if (type != XmlPullParser.START_TAG) {
                    Slog.w(TAG, "Preferred apps file " + f + " does not have start tag");
                    continue;
                }
                if (!"preferred-activities".equals(parser.getName())) {
                    Slog.w(TAG, "Preferred apps file " + f
                            + " does not start with 'preferred-activities'");
                    continue;
                }
                readDefaultPreferredActivitiesLPw(service, parser, userId);
            } catch (XmlPullParserException e) {
                Slog.w(TAG, "Error reading apps file " + f, e);
            } catch (IOException e) {
                Slog.w(TAG, "Error reading apps file " + f, e);
            } finally {
                if (str != null) {
                    try {
                        str.close();
                    } catch (IOException e) {
                    }
                }
            }
        }
private voidreadDisabledComponentsLPw(PackageSettingBase packageSetting, org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                String name = parser.getAttributeValue(null, ATTR_NAME);
                if (name != null) {
                    packageSetting.addDisabledComponent(name.intern(), userId);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: <disabled-components> has"
                                    + " no name at " + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <disabled-components>: " + parser.getName());
            }
            XmlUtils.skipCurrentTag(parser);
        }
private voidreadDisabledSysPackageLPw(org.xmlpull.v1.XmlPullParser parser)

        String name = parser.getAttributeValue(null, ATTR_NAME);
        String realName = parser.getAttributeValue(null, "realName");
        String codePathStr = parser.getAttributeValue(null, "codePath");
        String resourcePathStr = parser.getAttributeValue(null, "resourcePath");

        String legacyCpuAbiStr = parser.getAttributeValue(null, "requiredCpuAbi");
        String legacyNativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");

        String primaryCpuAbiStr = parser.getAttributeValue(null, "primaryCpuAbi");
        String secondaryCpuAbiStr = parser.getAttributeValue(null, "secondaryCpuAbi");
        String cpuAbiOverrideStr = parser.getAttributeValue(null, "cpuAbiOverride");

        if (primaryCpuAbiStr == null && legacyCpuAbiStr != null) {
            primaryCpuAbiStr = legacyCpuAbiStr;
        }

        if (resourcePathStr == null) {
            resourcePathStr = codePathStr;
        }
        String version = parser.getAttributeValue(null, "version");
        int versionCode = 0;
        if (version != null) {
            try {
                versionCode = Integer.parseInt(version);
            } catch (NumberFormatException e) {
            }
        }

        int pkgFlags = 0;
        pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
        final File codePathFile = new File(codePathStr);
        if (PackageManagerService.locationIsPrivileged(codePathFile)) {
            pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED;
        }
        PackageSetting ps = new PackageSetting(name, realName, codePathFile,
                new File(resourcePathStr), legacyNativeLibraryPathStr, primaryCpuAbiStr,
                secondaryCpuAbiStr, cpuAbiOverrideStr, versionCode, pkgFlags);
        String timeStampStr = parser.getAttributeValue(null, "ft");
        if (timeStampStr != null) {
            try {
                long timeStamp = Long.parseLong(timeStampStr, 16);
                ps.setTimeStamp(timeStamp);
            } catch (NumberFormatException e) {
            }
        } else {
            timeStampStr = parser.getAttributeValue(null, "ts");
            if (timeStampStr != null) {
                try {
                    long timeStamp = Long.parseLong(timeStampStr);
                    ps.setTimeStamp(timeStamp);
                } catch (NumberFormatException e) {
                }
            }
        }
        timeStampStr = parser.getAttributeValue(null, "it");
        if (timeStampStr != null) {
            try {
                ps.firstInstallTime = Long.parseLong(timeStampStr, 16);
            } catch (NumberFormatException e) {
            }
        }
        timeStampStr = parser.getAttributeValue(null, "ut");
        if (timeStampStr != null) {
            try {
                ps.lastUpdateTime = Long.parseLong(timeStampStr, 16);
            } catch (NumberFormatException e) {
            }
        }
        String idStr = parser.getAttributeValue(null, "userId");
        ps.appId = idStr != null ? Integer.parseInt(idStr) : 0;
        if (ps.appId <= 0) {
            String sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
            ps.appId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0;
        }
        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals("perms")) {
                readGrantedPermissionsLPw(parser, ps.grantedPermissions);
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <updated-package>: " + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }

        mDisabledSysPackages.put(name, ps);
private voidreadEnabledComponentsLPw(PackageSettingBase packageSetting, org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                String name = parser.getAttributeValue(null, ATTR_NAME);
                if (name != null) {
                    packageSetting.addEnabledComponent(name.intern(), userId);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: <enabled-components> has"
                                    + " no name at " + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <enabled-components>: " + parser.getName());
            }
            XmlUtils.skipCurrentTag(parser);
        }
private voidreadGrantedPermissionsLPw(org.xmlpull.v1.XmlPullParser parser, android.util.ArraySet outPerms)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                String name = parser.getAttributeValue(null, ATTR_NAME);
                if (name != null) {
                    outPerms.add(name.intern());
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: <perms> has" + " no name at "
                                    + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <perms>: " + parser.getName());
            }
            XmlUtils.skipCurrentTag(parser);
        }
private intreadInt(org.xmlpull.v1.XmlPullParser parser, java.lang.String ns, java.lang.String name, int defValue)

        String v = parser.getAttributeValue(ns, name);
        try {
            if (v == null) {
                return defValue;
            }
            return Integer.parseInt(v);
        } catch (NumberFormatException e) {
            PackageManagerService.reportSettingsProblem(Log.WARN,
                    "Error in package manager settings: attribute " + name
                            + " has bad integer value " + v + " at "
                            + parser.getPositionDescription());
        }
        return defValue;
booleanreadLPw(PackageManagerService service, java.util.List users, int sdkVersion, boolean onlyCore)

        FileInputStream str = null;
        if (mBackupSettingsFilename.exists()) {
            try {
                str = new FileInputStream(mBackupSettingsFilename);
                mReadMessages.append("Reading from backup settings file\n");
                PackageManagerService.reportSettingsProblem(Log.INFO,
                        "Need to read from backup settings file");
                if (mSettingsFilename.exists()) {
                    // If both the backup and settings file exist, we
                    // ignore the settings since it might have been
                    // corrupted.
                    Slog.w(PackageManagerService.TAG, "Cleaning up settings file "
                            + mSettingsFilename);
                    mSettingsFilename.delete();
                }
            } catch (java.io.IOException e) {
                // We'll try for the normal settings file.
            }
        }

        mPendingPackages.clear();
        mPastSignatures.clear();

        try {
            if (str == null) {
                if (!mSettingsFilename.exists()) {
                    mReadMessages.append("No settings file found\n");
                    PackageManagerService.reportSettingsProblem(Log.INFO,
                            "No settings file; creating initial state");
                    mInternalSdkPlatform = mExternalSdkPlatform = sdkVersion;
                    mFingerprint = Build.FINGERPRINT;
                    return false;
                }
                str = new FileInputStream(mSettingsFilename);
            }
            XmlPullParser parser = Xml.newPullParser();
            parser.setInput(str, null);

            int type;
            while ((type = parser.next()) != XmlPullParser.START_TAG
                    && type != XmlPullParser.END_DOCUMENT) {
                ;
            }

            if (type != XmlPullParser.START_TAG) {
                mReadMessages.append("No start tag found in settings file\n");
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "No start tag found in package manager settings");
                Slog.wtf(PackageManagerService.TAG,
                        "No start tag found in package manager settings");
                return false;
            }

            int outerDepth = parser.getDepth();
            while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                    && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
                if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                    continue;
                }

                String tagName = parser.getName();
                if (tagName.equals("package")) {
                    readPackageLPw(parser);
                } else if (tagName.equals("permissions")) {
                    readPermissionsLPw(mPermissions, parser);
                } else if (tagName.equals("permission-trees")) {
                    readPermissionsLPw(mPermissionTrees, parser);
                } else if (tagName.equals("shared-user")) {
                    readSharedUserLPw(parser);
                } else if (tagName.equals("preferred-packages")) {
                    // no longer used.
                } else if (tagName.equals("preferred-activities")) {
                    // Upgrading from old single-user implementation;
                    // these are the preferred activities for user 0.
                    readPreferredActivitiesLPw(parser, 0);
                } else if (tagName.equals(TAG_PERSISTENT_PREFERRED_ACTIVITIES)) {
                    // TODO: check whether this is okay! as it is very
                    // similar to how preferred-activities are treated
                    readPersistentPreferredActivitiesLPw(parser, 0);
                } else if (tagName.equals(TAG_CROSS_PROFILE_INTENT_FILTERS)) {
                    // TODO: check whether this is okay! as it is very
                    // similar to how preferred-activities are treated
                    readCrossProfileIntentFiltersLPw(parser, 0);
                } else if (tagName.equals("updated-package")) {
                    readDisabledSysPackageLPw(parser);
                } else if (tagName.equals("cleaning-package")) {
                    String name = parser.getAttributeValue(null, ATTR_NAME);
                    String userStr = parser.getAttributeValue(null, ATTR_USER);
                    String codeStr = parser.getAttributeValue(null, ATTR_CODE);
                    if (name != null) {
                        int userId = 0;
                        boolean andCode = true;
                        try {
                            if (userStr != null) {
                                userId = Integer.parseInt(userStr);
                            }
                        } catch (NumberFormatException e) {
                        }
                        if (codeStr != null) {
                            andCode = Boolean.parseBoolean(codeStr);
                        }
                        addPackageToCleanLPw(new PackageCleanItem(userId, name, andCode));
                    }
                } else if (tagName.equals("renamed-package")) {
                    String nname = parser.getAttributeValue(null, "new");
                    String oname = parser.getAttributeValue(null, "old");
                    if (nname != null && oname != null) {
                        mRenamedPackages.put(nname, oname);
                    }
                } else if (tagName.equals("last-platform-version")) {
                    mInternalSdkPlatform = mExternalSdkPlatform = 0;
                    try {
                        String internal = parser.getAttributeValue(null, "internal");
                        if (internal != null) {
                            mInternalSdkPlatform = Integer.parseInt(internal);
                        }
                        String external = parser.getAttributeValue(null, "external");
                        if (external != null) {
                            mExternalSdkPlatform = Integer.parseInt(external);
                        }
                    } catch (NumberFormatException e) {
                    }
                    mFingerprint = parser.getAttributeValue(null, "fingerprint");
                } else if (tagName.equals("database-version")) {
                    mInternalDatabaseVersion = mExternalDatabaseVersion = 0;
                    try {
                        String internalDbVersionString = parser.getAttributeValue(null, "internal");
                        if (internalDbVersionString != null) {
                            mInternalDatabaseVersion = Integer.parseInt(internalDbVersionString);
                        }
                        String externalDbVersionString = parser.getAttributeValue(null, "external");
                        if (externalDbVersionString != null) {
                            mExternalDatabaseVersion = Integer.parseInt(externalDbVersionString);
                        }
                    } catch (NumberFormatException ignored) {
                    }
                } else if (tagName.equals("verifier")) {
                    final String deviceIdentity = parser.getAttributeValue(null, "device");
                    try {
                        mVerifierDeviceIdentity = VerifierDeviceIdentity.parse(deviceIdentity);
                    } catch (IllegalArgumentException e) {
                        Slog.w(PackageManagerService.TAG, "Discard invalid verifier device id: "
                                + e.getMessage());
                    }
                } else if (TAG_READ_EXTERNAL_STORAGE.equals(tagName)) {
                    final String enforcement = parser.getAttributeValue(null, ATTR_ENFORCEMENT);
                    mReadExternalStorageEnforced = "1".equals(enforcement);
                } else if (tagName.equals("keyset-settings")) {
                    mKeySetManagerService.readKeySetsLPw(parser);
                } else {
                    Slog.w(PackageManagerService.TAG, "Unknown element under <packages>: "
                            + parser.getName());
                    XmlUtils.skipCurrentTag(parser);
                }
            }

            str.close();

        } catch (XmlPullParserException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);

        } catch (java.io.IOException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
        }

        final int N = mPendingPackages.size();
        for (int i = 0; i < N; i++) {
            final PendingPackage pp = mPendingPackages.get(i);
            Object idObj = getUserIdLPr(pp.sharedId);
            if (idObj != null && idObj instanceof SharedUserSetting) {
                PackageSetting p = getPackageLPw(pp.name, null, pp.realName,
                        (SharedUserSetting) idObj, pp.codePath, pp.resourcePath,
                        pp.legacyNativeLibraryPathString, pp.primaryCpuAbiString,
                        pp.secondaryCpuAbiString, pp.versionCode, pp.pkgFlags, null,
                        true /* add */, false /* allowInstall */);
                if (p == null) {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Unable to create application package for " + pp.name);
                    continue;
                }
                p.copyFrom(pp);
            } else if (idObj != null) {
                String msg = "Bad package setting: package " + pp.name + " has shared uid "
                        + pp.sharedId + " that is not a shared uid\n";
                mReadMessages.append(msg);
                PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
            } else {
                String msg = "Bad package setting: package " + pp.name + " has shared uid "
                        + pp.sharedId + " that is not defined\n";
                mReadMessages.append(msg);
                PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
            }
        }
        mPendingPackages.clear();

        if (mBackupStoppedPackagesFilename.exists()
                || mStoppedPackagesFilename.exists()) {
            // Read old file
            readStoppedLPw();
            mBackupStoppedPackagesFilename.delete();
            mStoppedPackagesFilename.delete();
            // Migrate to new file format
            writePackageRestrictionsLPr(0);
        } else {
            if (users == null) {
                readPackageRestrictionsLPr(0);
            } else {
                for (UserInfo user : users) {
                    readPackageRestrictionsLPr(user.id);
                }
            }
        }

        /*
         * Make sure all the updated system packages have their shared users
         * associated with them.
         */
        final Iterator<PackageSetting> disabledIt = mDisabledSysPackages.values().iterator();
        while (disabledIt.hasNext()) {
            final PackageSetting disabledPs = disabledIt.next();
            final Object id = getUserIdLPr(disabledPs.appId);
            if (id != null && id instanceof SharedUserSetting) {
                disabledPs.sharedUser = (SharedUserSetting) id;
            }
        }

        mReadMessages.append("Read completed successfully: " + mPackages.size() + " packages, "
                + mSharedUsers.size() + " shared uids\n");

        return true;
private voidreadPackageLPw(org.xmlpull.v1.XmlPullParser parser)

        String name = null;
        String realName = null;
        String idStr = null;
        String sharedIdStr = null;
        String codePathStr = null;
        String resourcePathStr = null;
        String legacyCpuAbiString = null;
        String legacyNativeLibraryPathStr = null;
        String primaryCpuAbiString = null;
        String secondaryCpuAbiString = null;
        String cpuAbiOverrideString = null;
        String systemStr = null;
        String installerPackageName = null;
        String uidError = null;
        int pkgFlags = 0;
        long timeStamp = 0;
        long firstInstallTime = 0;
        long lastUpdateTime = 0;
        PackageSettingBase packageSetting = null;
        String version = null;
        int versionCode = 0;
        try {
            name = parser.getAttributeValue(null, ATTR_NAME);
            realName = parser.getAttributeValue(null, "realName");
            idStr = parser.getAttributeValue(null, "userId");
            uidError = parser.getAttributeValue(null, "uidError");
            sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
            codePathStr = parser.getAttributeValue(null, "codePath");
            resourcePathStr = parser.getAttributeValue(null, "resourcePath");

            legacyCpuAbiString = parser.getAttributeValue(null, "requiredCpuAbi");

            legacyNativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");
            primaryCpuAbiString = parser.getAttributeValue(null, "primaryCpuAbi");
            secondaryCpuAbiString = parser.getAttributeValue(null, "secondaryCpuAbi");
            cpuAbiOverrideString = parser.getAttributeValue(null, "cpuAbiOverride");

            if (primaryCpuAbiString == null && legacyCpuAbiString != null) {
                primaryCpuAbiString = legacyCpuAbiString;
            }
;
            version = parser.getAttributeValue(null, "version");
            if (version != null) {
                try {
                    versionCode = Integer.parseInt(version);
                } catch (NumberFormatException e) {
                }
            }
            installerPackageName = parser.getAttributeValue(null, "installer");

            systemStr = parser.getAttributeValue(null, "flags");
            if (systemStr != null) {
                try {
                    pkgFlags = Integer.parseInt(systemStr);
                } catch (NumberFormatException e) {
                }
            } else {
                // For backward compatibility
                systemStr = parser.getAttributeValue(null, "system");
                if (systemStr != null) {
                    pkgFlags |= ("true".equalsIgnoreCase(systemStr)) ? ApplicationInfo.FLAG_SYSTEM
                            : 0;
                } else {
                    // Old settings that don't specify system... just treat
                    // them as system, good enough.
                    pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
                }
            }
            String timeStampStr = parser.getAttributeValue(null, "ft");
            if (timeStampStr != null) {
                try {
                    timeStamp = Long.parseLong(timeStampStr, 16);
                } catch (NumberFormatException e) {
                }
            } else {
                timeStampStr = parser.getAttributeValue(null, "ts");
                if (timeStampStr != null) {
                    try {
                        timeStamp = Long.parseLong(timeStampStr);
                    } catch (NumberFormatException e) {
                    }
                }
            }
            timeStampStr = parser.getAttributeValue(null, "it");
            if (timeStampStr != null) {
                try {
                    firstInstallTime = Long.parseLong(timeStampStr, 16);
                } catch (NumberFormatException e) {
                }
            }
            timeStampStr = parser.getAttributeValue(null, "ut");
            if (timeStampStr != null) {
                try {
                    lastUpdateTime = Long.parseLong(timeStampStr, 16);
                } catch (NumberFormatException e) {
                }
            }
            if (PackageManagerService.DEBUG_SETTINGS)
                Log.v(PackageManagerService.TAG, "Reading package: " + name + " userId=" + idStr
                        + " sharedUserId=" + sharedIdStr);
            int userId = idStr != null ? Integer.parseInt(idStr) : 0;
            if (resourcePathStr == null) {
                resourcePathStr = codePathStr;
            }
            if (realName != null) {
                realName = realName.intern();
            }
            if (name == null) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Error in package manager settings: <package> has no name at "
                                + parser.getPositionDescription());
            } else if (codePathStr == null) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Error in package manager settings: <package> has no codePath at "
                                + parser.getPositionDescription());
            } else if (userId > 0) {
                packageSetting = addPackageLPw(name.intern(), realName, new File(codePathStr),
                        new File(resourcePathStr), legacyNativeLibraryPathStr, primaryCpuAbiString,
                        secondaryCpuAbiString, cpuAbiOverrideString, userId, versionCode, pkgFlags);
                if (PackageManagerService.DEBUG_SETTINGS)
                    Log.i(PackageManagerService.TAG, "Reading package " + name + ": userId="
                            + userId + " pkg=" + packageSetting);
                if (packageSetting == null) {
                    PackageManagerService.reportSettingsProblem(Log.ERROR, "Failure adding uid "
                            + userId + " while parsing settings at "
                            + parser.getPositionDescription());
                } else {
                    packageSetting.setTimeStamp(timeStamp);
                    packageSetting.firstInstallTime = firstInstallTime;
                    packageSetting.lastUpdateTime = lastUpdateTime;
                }
            } else if (sharedIdStr != null) {
                userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0;
                if (userId > 0) {
                    packageSetting = new PendingPackage(name.intern(), realName, new File(
                            codePathStr), new File(resourcePathStr), legacyNativeLibraryPathStr,
                            primaryCpuAbiString, secondaryCpuAbiString, cpuAbiOverrideString,
                            userId, versionCode, pkgFlags);
                    packageSetting.setTimeStamp(timeStamp);
                    packageSetting.firstInstallTime = firstInstallTime;
                    packageSetting.lastUpdateTime = lastUpdateTime;
                    mPendingPackages.add((PendingPackage) packageSetting);
                    if (PackageManagerService.DEBUG_SETTINGS)
                        Log.i(PackageManagerService.TAG, "Reading package " + name
                                + ": sharedUserId=" + userId + " pkg=" + packageSetting);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: package " + name
                                    + " has bad sharedId " + sharedIdStr + " at "
                                    + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Error in package manager settings: package " + name + " has bad userId "
                                + idStr + " at " + parser.getPositionDescription());
            }
        } catch (NumberFormatException e) {
            PackageManagerService.reportSettingsProblem(Log.WARN,
                    "Error in package manager settings: package " + name + " has bad userId "
                            + idStr + " at " + parser.getPositionDescription());
        }
        if (packageSetting != null) {
            packageSetting.uidError = "true".equals(uidError);
            packageSetting.installerPackageName = installerPackageName;
            packageSetting.legacyNativeLibraryPathString = legacyNativeLibraryPathStr;
            packageSetting.primaryCpuAbiString = primaryCpuAbiString;
            packageSetting.secondaryCpuAbiString = secondaryCpuAbiString;
            // Handle legacy string here for single-user mode
            final String enabledStr = parser.getAttributeValue(null, ATTR_ENABLED);
            if (enabledStr != null) {
                try {
                    packageSetting.setEnabled(Integer.parseInt(enabledStr), 0 /* userId */, null);
                } catch (NumberFormatException e) {
                    if (enabledStr.equalsIgnoreCase("true")) {
                        packageSetting.setEnabled(COMPONENT_ENABLED_STATE_ENABLED, 0, null);
                    } else if (enabledStr.equalsIgnoreCase("false")) {
                        packageSetting.setEnabled(COMPONENT_ENABLED_STATE_DISABLED, 0, null);
                    } else if (enabledStr.equalsIgnoreCase("default")) {
                        packageSetting.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 0, null);
                    } else {
                        PackageManagerService.reportSettingsProblem(Log.WARN,
                                "Error in package manager settings: package " + name
                                        + " has bad enabled value: " + idStr + " at "
                                        + parser.getPositionDescription());
                    }
                }
            } else {
                packageSetting.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 0, null);
            }

            final String installStatusStr = parser.getAttributeValue(null, "installStatus");
            if (installStatusStr != null) {
                if (installStatusStr.equalsIgnoreCase("false")) {
                    packageSetting.installStatus = PackageSettingBase.PKG_INSTALL_INCOMPLETE;
                } else {
                    packageSetting.installStatus = PackageSettingBase.PKG_INSTALL_COMPLETE;
                }
            }

            int outerDepth = parser.getDepth();
            int type;
            while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                    && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
                if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                    continue;
                }

                String tagName = parser.getName();
                // Legacy 
                if (tagName.equals(TAG_DISABLED_COMPONENTS)) {
                    readDisabledComponentsLPw(packageSetting, parser, 0);
                } else if (tagName.equals(TAG_ENABLED_COMPONENTS)) {
                    readEnabledComponentsLPw(packageSetting, parser, 0);
                } else if (tagName.equals("sigs")) {
                    packageSetting.signatures.readXml(parser, mPastSignatures);
                } else if (tagName.equals("perms")) {
                    readGrantedPermissionsLPw(parser, packageSetting.grantedPermissions);
                    packageSetting.permissionsFixed = true;
                } else if (tagName.equals("proper-signing-keyset")) {
                    long id = Long.parseLong(parser.getAttributeValue(null, "identifier"));
                    packageSetting.keySetData.setProperSigningKeySet(id);
                } else if (tagName.equals("signing-keyset")) {
                    long id = Long.parseLong(parser.getAttributeValue(null, "identifier"));
                    packageSetting.keySetData.addSigningKeySet(id);
                } else if (tagName.equals("upgrade-keyset")) {
                    long id = Long.parseLong(parser.getAttributeValue(null, "identifier"));
                    packageSetting.keySetData.addUpgradeKeySetById(id);
                } else if (tagName.equals("defined-keyset")) {
                    long id = Long.parseLong(parser.getAttributeValue(null, "identifier"));
                    String alias = parser.getAttributeValue(null, "alias");
                    packageSetting.keySetData.addDefinedKeySet(id, alias);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Unknown element under <package>: " + parser.getName());
                    XmlUtils.skipCurrentTag(parser);
                }
            }


        } else {
            XmlUtils.skipCurrentTag(parser);
        }
voidreadPackageRestrictionsLPr(int userId)

        if (DEBUG_MU) {
            Log.i(TAG, "Reading package restrictions for user=" + userId);
        }
        FileInputStream str = null;
        File userPackagesStateFile = getUserPackagesStateFile(userId);
        File backupFile = getUserPackagesStateBackupFile(userId);
        if (backupFile.exists()) {
            try {
                str = new FileInputStream(backupFile);
                mReadMessages.append("Reading from backup stopped packages file\n");
                PackageManagerService.reportSettingsProblem(Log.INFO,
                        "Need to read from backup stopped packages file");
                if (userPackagesStateFile.exists()) {
                    // If both the backup and normal file exist, we
                    // ignore the normal one since it might have been
                    // corrupted.
                    Slog.w(PackageManagerService.TAG, "Cleaning up stopped packages file "
                            + userPackagesStateFile);
                    userPackagesStateFile.delete();
                }
            } catch (java.io.IOException e) {
                // We'll try for the normal settings file.
            }
        }

        try {
            if (str == null) {
                if (!userPackagesStateFile.exists()) {
                    mReadMessages.append("No stopped packages file found\n");
                    PackageManagerService.reportSettingsProblem(Log.INFO,
                            "No stopped packages file; "
                            + "assuming all started");
                    // At first boot, make sure no packages are stopped.
                    // We usually want to have third party apps initialize
                    // in the stopped state, but not at first boot.  Also
                    // consider all applications to be installed.
                    for (PackageSetting pkg : mPackages.values()) {
                        pkg.setUserState(userId, COMPONENT_ENABLED_STATE_DEFAULT,
                                true,   // installed
                                false,  // stopped
                                false,  // notLaunched
                                false,  // hidden
                                null, null, null,
                                false // blockUninstall
                                );
                    }
                    return;
                }
                str = new FileInputStream(userPackagesStateFile);
            }
            final XmlPullParser parser = Xml.newPullParser();
            parser.setInput(str, null);

            int type;
            while ((type=parser.next()) != XmlPullParser.START_TAG
                       && type != XmlPullParser.END_DOCUMENT) {
                ;
            }

            if (type != XmlPullParser.START_TAG) {
                mReadMessages.append("No start tag found in package restrictions file\n");
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "No start tag found in package manager stopped packages");
                return;
            }

            int outerDepth = parser.getDepth();
            PackageSetting ps = null;
            while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
                   && (type != XmlPullParser.END_TAG
                           || parser.getDepth() > outerDepth)) {
                if (type == XmlPullParser.END_TAG
                        || type == XmlPullParser.TEXT) {
                    continue;
                }

                String tagName = parser.getName();
                if (tagName.equals(TAG_PACKAGE)) {
                    String name = parser.getAttributeValue(null, ATTR_NAME);
                    ps = mPackages.get(name);
                    if (ps == null) {
                        Slog.w(PackageManagerService.TAG, "No package known for stopped package: "
                                + name);
                        XmlUtils.skipCurrentTag(parser);
                        continue;
                    }
                    final String enabledStr = parser.getAttributeValue(null, ATTR_ENABLED);
                    final int enabled = enabledStr == null
                            ? COMPONENT_ENABLED_STATE_DEFAULT : Integer.parseInt(enabledStr);
                    final String enabledCaller = parser.getAttributeValue(null,
                            ATTR_ENABLED_CALLER);
                    final String installedStr = parser.getAttributeValue(null, ATTR_INSTALLED);
                    final boolean installed = installedStr == null
                            ? true : Boolean.parseBoolean(installedStr);
                    final String stoppedStr = parser.getAttributeValue(null, ATTR_STOPPED);
                    final boolean stopped = stoppedStr == null
                            ? false : Boolean.parseBoolean(stoppedStr);
                    // For backwards compatibility with the previous name of "blocked", which
                    // now means hidden, read the old attribute as well.
                    final String blockedStr = parser.getAttributeValue(null, ATTR_BLOCKED);
                    boolean hidden = blockedStr == null
                            ? false : Boolean.parseBoolean(blockedStr);
                    final String hiddenStr = parser.getAttributeValue(null, ATTR_HIDDEN);
                    hidden = hiddenStr == null
                            ? hidden : Boolean.parseBoolean(hiddenStr);
                    final String notLaunchedStr = parser.getAttributeValue(null, ATTR_NOT_LAUNCHED);
                    final boolean notLaunched = stoppedStr == null
                            ? false : Boolean.parseBoolean(notLaunchedStr);
                    final String blockUninstallStr = parser.getAttributeValue(null,
                            ATTR_BLOCK_UNINSTALL);
                    final boolean blockUninstall = blockUninstallStr == null
                            ? false : Boolean.parseBoolean(blockUninstallStr);

                    ArraySet<String> enabledComponents = null;
                    ArraySet<String> disabledComponents = null;

                    int packageDepth = parser.getDepth();
                    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
                            && (type != XmlPullParser.END_TAG
                            || parser.getDepth() > packageDepth)) {
                        if (type == XmlPullParser.END_TAG
                                || type == XmlPullParser.TEXT) {
                            continue;
                        }
                        tagName = parser.getName();
                        if (tagName.equals(TAG_ENABLED_COMPONENTS)) {
                            enabledComponents = readComponentsLPr(parser);
                        } else if (tagName.equals(TAG_DISABLED_COMPONENTS)) {
                            disabledComponents = readComponentsLPr(parser);
                        }
                    }

                    ps.setUserState(userId, enabled, installed, stopped, notLaunched, hidden,
                            enabledCaller, enabledComponents, disabledComponents, blockUninstall);
                } else if (tagName.equals("preferred-activities")) {
                    readPreferredActivitiesLPw(parser, userId);
                } else if (tagName.equals(TAG_PERSISTENT_PREFERRED_ACTIVITIES)) {
                    readPersistentPreferredActivitiesLPw(parser, userId);
                } else if (tagName.equals(TAG_CROSS_PROFILE_INTENT_FILTERS)) {
                    readCrossProfileIntentFiltersLPw(parser, userId);
                } else {
                    Slog.w(PackageManagerService.TAG, "Unknown element under <stopped-packages>: "
                          + parser.getName());
                    XmlUtils.skipCurrentTag(parser);
                }
            }

            str.close();

        } catch (XmlPullParserException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR,
                    "Error reading stopped packages: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages",
                    e);

        } catch (java.io.IOException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages",
                    e);
        }
private voidreadPermissionsLPw(android.util.ArrayMap out, org.xmlpull.v1.XmlPullParser parser)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            final String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                final String name = parser.getAttributeValue(null, ATTR_NAME);
                final String sourcePackage = parser.getAttributeValue(null, "package");
                final String ptype = parser.getAttributeValue(null, "type");
                if (name != null && sourcePackage != null) {
                    final boolean dynamic = "dynamic".equals(ptype);
                    final BasePermission bp = new BasePermission(name, sourcePackage,
                            dynamic ? BasePermission.TYPE_DYNAMIC : BasePermission.TYPE_NORMAL);
                    bp.protectionLevel = readInt(parser, null, "protection",
                            PermissionInfo.PROTECTION_NORMAL);
                    bp.protectionLevel = PermissionInfo.fixProtectionLevel(bp.protectionLevel);
                    if (dynamic) {
                        PermissionInfo pi = new PermissionInfo();
                        pi.packageName = sourcePackage.intern();
                        pi.name = name.intern();
                        pi.icon = readInt(parser, null, "icon", 0);
                        pi.nonLocalizedLabel = parser.getAttributeValue(null, "label");
                        pi.protectionLevel = bp.protectionLevel;
                        bp.pendingInfo = pi;
                    }
                    out.put(bp.name, bp);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: permissions has" + " no name at "
                                    + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element reading permissions: " + parser.getName() + " at "
                                + parser.getPositionDescription());
            }
            XmlUtils.skipCurrentTag(parser);
        }
private voidreadPersistentPreferredActivitiesLPw(org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }
            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                PersistentPreferredActivity ppa = new PersistentPreferredActivity(parser);
                editPersistentPreferredActivitiesLPw(userId).addFilter(ppa);
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <" + TAG_PERSISTENT_PREFERRED_ACTIVITIES + ">: "
                        + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }
private voidreadPreferredActivitiesLPw(org.xmlpull.v1.XmlPullParser parser, int userId)

        int outerDepth = parser.getDepth();
        int type;
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }

            String tagName = parser.getName();
            if (tagName.equals(TAG_ITEM)) {
                PreferredActivity pa = new PreferredActivity(parser);
                if (pa.mPref.getParseError() == null) {
                    editPreferredActivitiesLPw(userId).addFilter(pa);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Error in package manager settings: <preferred-activity> "
                                    + pa.mPref.getParseError() + " at "
                                    + parser.getPositionDescription());
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Unknown element under <preferred-activities>: " + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }
private voidreadSharedUserLPw(org.xmlpull.v1.XmlPullParser parser)

        String name = null;
        String idStr = null;
        int pkgFlags = 0;
        SharedUserSetting su = null;
        try {
            name = parser.getAttributeValue(null, ATTR_NAME);
            idStr = parser.getAttributeValue(null, "userId");
            int userId = idStr != null ? Integer.parseInt(idStr) : 0;
            if ("true".equals(parser.getAttributeValue(null, "system"))) {
                pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
            }
            if (name == null) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Error in package manager settings: <shared-user> has no name at "
                                + parser.getPositionDescription());
            } else if (userId == 0) {
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "Error in package manager settings: shared-user " + name
                                + " has bad userId " + idStr + " at "
                                + parser.getPositionDescription());
            } else {
                if ((su = addSharedUserLPw(name.intern(), userId, pkgFlags)) == null) {
                    PackageManagerService
                            .reportSettingsProblem(Log.ERROR, "Occurred while parsing settings at "
                                    + parser.getPositionDescription());
                }
            }
        } catch (NumberFormatException e) {
            PackageManagerService.reportSettingsProblem(Log.WARN,
                    "Error in package manager settings: package " + name + " has bad userId "
                            + idStr + " at " + parser.getPositionDescription());
        }
        ;

        if (su != null) {
            int outerDepth = parser.getDepth();
            int type;
            while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                    && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
                if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                    continue;
                }

                String tagName = parser.getName();
                if (tagName.equals("sigs")) {
                    su.signatures.readXml(parser, mPastSignatures);
                } else if (tagName.equals("perms")) {
                    readGrantedPermissionsLPw(parser, su.grantedPermissions);
                } else {
                    PackageManagerService.reportSettingsProblem(Log.WARN,
                            "Unknown element under <shared-user>: " + parser.getName());
                    XmlUtils.skipCurrentTag(parser);
                }
            }

        } else {
            XmlUtils.skipCurrentTag(parser);
        }
voidreadStoppedLPw()

        FileInputStream str = null;
        if (mBackupStoppedPackagesFilename.exists()) {
            try {
                str = new FileInputStream(mBackupStoppedPackagesFilename);
                mReadMessages.append("Reading from backup stopped packages file\n");
                PackageManagerService.reportSettingsProblem(Log.INFO,
                        "Need to read from backup stopped packages file");
                if (mSettingsFilename.exists()) {
                    // If both the backup and normal file exist, we
                    // ignore the normal one since it might have been
                    // corrupted.
                    Slog.w(PackageManagerService.TAG, "Cleaning up stopped packages file "
                            + mStoppedPackagesFilename);
                    mStoppedPackagesFilename.delete();
                }
            } catch (java.io.IOException e) {
                // We'll try for the normal settings file.
            }
        }

        try {
            if (str == null) {
                if (!mStoppedPackagesFilename.exists()) {
                    mReadMessages.append("No stopped packages file found\n");
                    PackageManagerService.reportSettingsProblem(Log.INFO,
                            "No stopped packages file file; assuming all started");
                    // At first boot, make sure no packages are stopped.
                    // We usually want to have third party apps initialize
                    // in the stopped state, but not at first boot.
                    for (PackageSetting pkg : mPackages.values()) {
                        pkg.setStopped(false, 0);
                        pkg.setNotLaunched(false, 0);
                    }
                    return;
                }
                str = new FileInputStream(mStoppedPackagesFilename);
            }
            final XmlPullParser parser = Xml.newPullParser();
            parser.setInput(str, null);

            int type;
            while ((type=parser.next()) != XmlPullParser.START_TAG
                       && type != XmlPullParser.END_DOCUMENT) {
                ;
            }

            if (type != XmlPullParser.START_TAG) {
                mReadMessages.append("No start tag found in stopped packages file\n");
                PackageManagerService.reportSettingsProblem(Log.WARN,
                        "No start tag found in package manager stopped packages");
                return;
            }

            int outerDepth = parser.getDepth();
            while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
                   && (type != XmlPullParser.END_TAG
                           || parser.getDepth() > outerDepth)) {
                if (type == XmlPullParser.END_TAG
                        || type == XmlPullParser.TEXT) {
                    continue;
                }

                String tagName = parser.getName();
                if (tagName.equals(TAG_PACKAGE)) {
                    String name = parser.getAttributeValue(null, ATTR_NAME);
                    PackageSetting ps = mPackages.get(name);
                    if (ps != null) {
                        ps.setStopped(true, 0);
                        if ("1".equals(parser.getAttributeValue(null, ATTR_NOT_LAUNCHED))) {
                            ps.setNotLaunched(true, 0);
                        }
                    } else {
                        Slog.w(PackageManagerService.TAG,
                                "No package known for stopped package: " + name);
                    }
                    XmlUtils.skipCurrentTag(parser);
                } else {
                    Slog.w(PackageManagerService.TAG, "Unknown element under <stopped-packages>: "
                          + parser.getName());
                    XmlUtils.skipCurrentTag(parser);
                }
            }

            str.close();

        } catch (XmlPullParserException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR,
                    "Error reading stopped packages: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages",
                    e);

        } catch (java.io.IOException e) {
            mReadMessages.append("Error reading: " + e.toString());
            PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
            Slog.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages",
                    e);

        }
voidremoveCrossProfileIntentFiltersLPw(int userId)

        synchronized (mCrossProfileIntentResolvers) {
            // userId is the source user
            if (mCrossProfileIntentResolvers.get(userId) != null) {
                mCrossProfileIntentResolvers.remove(userId);
                writePackageRestrictionsLPr(userId);
            }
            // userId is the target user
            int count = mCrossProfileIntentResolvers.size();
            for (int i = 0; i < count; i++) {
                int sourceUserId = mCrossProfileIntentResolvers.keyAt(i);
                CrossProfileIntentResolver cpir = mCrossProfileIntentResolvers.get(sourceUserId);
                boolean needsWriting = false;
                ArraySet<CrossProfileIntentFilter> cpifs =
                        new ArraySet<CrossProfileIntentFilter>(cpir.filterSet());
                for (CrossProfileIntentFilter cpif : cpifs) {
                    if (cpif.getTargetUserId() == userId) {
                        needsWriting = true;
                        cpir.removeFilter(cpif);
                    }
                }
                if (needsWriting) {
                    writePackageRestrictionsLPr(sourceUserId);
                }
            }
        }
voidremoveDisabledSystemPackageLPw(java.lang.String name)

        mDisabledSysPackages.remove(name);
intremovePackageLPw(java.lang.String name)

        final PackageSetting p = mPackages.get(name);
        if (p != null) {
            mPackages.remove(name);
            if (p.sharedUser != null) {
                p.sharedUser.removePackage(p);
                if (p.sharedUser.packages.size() == 0) {
                    mSharedUsers.remove(p.sharedUser.name);
                    removeUserIdLPw(p.sharedUser.userId);
                    return p.sharedUser.userId;
                }
            } else {
                removeUserIdLPw(p.appId);
                return p.appId;
            }
        }
        return -1;
private voidremoveUserIdLPw(int uid)

        if (uid >= Process.FIRST_APPLICATION_UID) {
            final int N = mUserIds.size();
            final int index = uid - Process.FIRST_APPLICATION_UID;
            if (index < N) mUserIds.set(index, null);
        } else {
            mOtherUserIds.remove(uid);
        }
        setFirstAvailableUid(uid+1);
voidremoveUserLPw(int userId)

        Set<Entry<String, PackageSetting>> entries = mPackages.entrySet();
        for (Entry<String, PackageSetting> entry : entries) {
            entry.getValue().removeUser(userId);
        }
        mPreferredActivities.remove(userId);
        File file = getUserPackagesStateFile(userId);
        file.delete();
        file = getUserPackagesStateBackupFile(userId);
        file.delete();
        removeCrossProfileIntentFiltersLPw(userId);
private voidreplacePackageLPw(java.lang.String name, PackageSetting newp)

        final PackageSetting p = mPackages.get(name);
        if (p != null) {
            if (p.sharedUser != null) {
                p.sharedUser.removePackage(p);
                p.sharedUser.addPackage(newp);
            } else {
                replaceUserIdLPw(p.appId, newp);
            }
        }
        mPackages.put(name, newp);
private voidreplaceUserIdLPw(int uid, java.lang.Object obj)

        if (uid >= Process.FIRST_APPLICATION_UID) {
            final int N = mUserIds.size();
            final int index = uid - Process.FIRST_APPLICATION_UID;
            if (index < N) mUserIds.set(index, obj);
        } else {
            mOtherUserIds.put(uid, obj);
        }
private voidsetFirstAvailableUid(int uid)

        if (uid > mFirstAvailableUid) {
            mFirstAvailableUid = uid;
        }
voidsetInstallStatus(java.lang.String pkgName, int status)

        PackageSetting p = mPackages.get(pkgName);
        if(p != null) {
            if(p.getInstallStatus() != status) {
                p.setInstallStatus(status);
            }
        }
voidsetInstallerPackageName(java.lang.String pkgName, java.lang.String installerPkgName)

        PackageSetting p = mPackages.get(pkgName);
        if(p != null) {
            p.setInstallerPackageName(installerPkgName);
        }
booleansetPackageStoppedStateLPw(java.lang.String packageName, boolean stopped, boolean allowedByPermission, int uid, int userId)

        int appId = UserHandle.getAppId(uid);
        final PackageSetting pkgSetting = mPackages.get(packageName);
        if (pkgSetting == null) {
            throw new IllegalArgumentException("Unknown package: " + packageName);
        }
        if (!allowedByPermission && (appId != pkgSetting.appId)) {
            throw new SecurityException(
                    "Permission Denial: attempt to change stopped state from pid="
                    + Binder.getCallingPid()
                    + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
        }
        if (DEBUG_STOPPED) {
            if (stopped) {
                RuntimeException e = new RuntimeException("here");
                e.fillInStackTrace();
                Slog.i(TAG, "Stopping package " + packageName, e);
            }
        }
        if (pkgSetting.getStopped(userId) != stopped) {
            pkgSetting.setStopped(stopped, userId);
            // pkgSetting.pkg.mSetStopped = stopped;
            if (pkgSetting.getNotLaunched(userId)) {
                if (pkgSetting.installerPackageName != null) {
                    PackageManagerService.sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH,
                            pkgSetting.name, null,
                            pkgSetting.installerPackageName, null, new int[] {userId});
                }
                pkgSetting.setNotLaunched(false, userId);
            }
            return true;
        }
        return false;
voidtransferPermissionsLPw(java.lang.String origPkg, java.lang.String newPkg)

        // Transfer ownership of permissions to the new package.
        for (int i=0; i<2; i++) {
            ArrayMap<String, BasePermission> permissions =
                    i == 0 ? mPermissionTrees : mPermissions;
            for (BasePermission bp : permissions.values()) {
                if (origPkg.equals(bp.sourcePackage)) {
                    if (PackageManagerService.DEBUG_UPGRADE) Log.v(PackageManagerService.TAG,
                            "Moving permission " + bp.name
                            + " from pkg " + bp.sourcePackage
                            + " to " + newPkg);
                    bp.sourcePackage = newPkg;
                    bp.packageSetting = null;
                    bp.perm = null;
                    if (bp.pendingInfo != null) {
                        bp.pendingInfo.packageName = newPkg;
                    }
                    bp.uid = 0;
                    bp.gids = null;
                }
            }
        }
public voidupdateExternalDatabaseVersion()
Updates the database version for apps on internal storage. Called after call the updates to the database format are done for apps on internal storage after the initial start-up scan.

        mExternalDatabaseVersion = CURRENT_DATABASE_VERSION;
public voidupdateInternalDatabaseVersion()
Updates the database version for apps on internal storage. Called after call the updates to the database format are done for apps on internal storage after the initial start-up scan.

        mInternalDatabaseVersion = CURRENT_DATABASE_VERSION;
voidupdateSharedUserPermsLPw(PackageSetting deletedPs, int[] globalGids)

        if ((deletedPs == null) || (deletedPs.pkg == null)) {
            Slog.i(PackageManagerService.TAG,
                    "Trying to update info for null package. Just ignoring");
            return;
        }
        // No sharedUserId
        if (deletedPs.sharedUser == null) {
            return;
        }
        SharedUserSetting sus = deletedPs.sharedUser;
        // Update permissions
        for (String eachPerm : deletedPs.pkg.requestedPermissions) {
            boolean used = false;
            if (!sus.grantedPermissions.contains(eachPerm)) {
                continue;
            }
            for (PackageSetting pkg:sus.packages) {
                if (pkg.pkg != null &&
                        !pkg.pkg.packageName.equals(deletedPs.pkg.packageName) &&
                        pkg.pkg.requestedPermissions.contains(eachPerm)) {
                    used = true;
                    break;
                }
            }
            if (!used) {
                // can safely delete this permission from list
                sus.grantedPermissions.remove(eachPerm);
            }
        }
        // Update gids
        int newGids[] = globalGids;
        for (String eachPerm : sus.grantedPermissions) {
            BasePermission bp = mPermissions.get(eachPerm);
            if (bp != null) {
                newGids = PackageManagerService.appendInts(newGids, bp.gids);
            }
        }
        sus.gids = newGids;
voidwriteAllUsersPackageRestrictionsLPr()

        List<UserInfo> users = getAllUsers();
        if (users == null) return;

        for (UserInfo user : users) {
            writePackageRestrictionsLPr(user.id);
        }
voidwriteCrossProfileIntentFiltersLPr(org.xmlpull.v1.XmlSerializer serializer, int userId)

        serializer.startTag(null, TAG_CROSS_PROFILE_INTENT_FILTERS);
        CrossProfileIntentResolver cpir = mCrossProfileIntentResolvers.get(userId);
        if (cpir != null) {
            for (final CrossProfileIntentFilter cpif : cpir.filterSet()) {
                serializer.startTag(null, TAG_ITEM);
                cpif.writeToXml(serializer);
                serializer.endTag(null, TAG_ITEM);
            }
        }
        serializer.endTag(null, TAG_CROSS_PROFILE_INTENT_FILTERS);
voidwriteDisabledSysPackageLPr(org.xmlpull.v1.XmlSerializer serializer, PackageSetting pkg)

        serializer.startTag(null, "updated-package");
        serializer.attribute(null, ATTR_NAME, pkg.name);
        if (pkg.realName != null) {
            serializer.attribute(null, "realName", pkg.realName);
        }
        serializer.attribute(null, "codePath", pkg.codePathString);
        serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
        serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
        serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
        serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
        if (!pkg.resourcePathString.equals(pkg.codePathString)) {
            serializer.attribute(null, "resourcePath", pkg.resourcePathString);
        }
        if (pkg.legacyNativeLibraryPathString != null) {
            serializer.attribute(null, "nativeLibraryPath", pkg.legacyNativeLibraryPathString);
        }
        if (pkg.primaryCpuAbiString != null) {
           serializer.attribute(null, "primaryCpuAbi", pkg.primaryCpuAbiString);
        }
        if (pkg.secondaryCpuAbiString != null) {
            serializer.attribute(null, "secondaryCpuAbi", pkg.secondaryCpuAbiString);
        }
        if (pkg.cpuAbiOverrideString != null) {
            serializer.attribute(null, "cpuAbiOverride", pkg.cpuAbiOverrideString);
        }

        if (pkg.sharedUser == null) {
            serializer.attribute(null, "userId", Integer.toString(pkg.appId));
        } else {
            serializer.attribute(null, "sharedUserId", Integer.toString(pkg.appId));
        }
        serializer.startTag(null, "perms");
        if (pkg.sharedUser == null) {
            // If this is a shared user, the permissions will
            // be written there. We still need to write an
            // empty permissions list so permissionsFixed will
            // be set.
            for (final String name : pkg.grantedPermissions) {
                BasePermission bp = mPermissions.get(name);
                if (bp != null) {
                    // We only need to write signature or system permissions but
                    // this wont
                    // match the semantics of grantedPermissions. So write all
                    // permissions.
                    serializer.startTag(null, TAG_ITEM);
                    serializer.attribute(null, ATTR_NAME, name);
                    serializer.endTag(null, TAG_ITEM);
                }
            }
        }
        serializer.endTag(null, "perms");
        serializer.endTag(null, "updated-package");
voidwriteKeySetAliasesLPr(org.xmlpull.v1.XmlSerializer serializer, PackageKeySetData data)

        for (Map.Entry<String, Long> e: data.getAliases().entrySet()) {
            serializer.startTag(null, "defined-keyset");
            serializer.attribute(null, "alias", e.getKey());
            serializer.attribute(null, "identifier", Long.toString(e.getValue()));
            serializer.endTag(null, "defined-keyset");
        }
voidwriteLPr()

        //Debug.startMethodTracing("/data/system/packageprof", 8 * 1024 * 1024);

        // Keep the old settings around until we know the new ones have
        // been successfully written.
        if (mSettingsFilename.exists()) {
            // Presence of backup settings file indicates that we failed
            // to persist settings earlier. So preserve the older
            // backup for future reference since the current settings
            // might have been corrupted.
            if (!mBackupSettingsFilename.exists()) {
                if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) {
                    Slog.wtf(PackageManagerService.TAG,
                            "Unable to backup package manager settings, "
                            + " current changes will be lost at reboot");
                    return;
                }
            } else {
                mSettingsFilename.delete();
                Slog.w(PackageManagerService.TAG, "Preserving older settings backup");
            }
        }

        mPastSignatures.clear();

        try {
            FileOutputStream fstr = new FileOutputStream(mSettingsFilename);
            BufferedOutputStream str = new BufferedOutputStream(fstr);

            //XmlSerializer serializer = XmlUtils.serializerInstance();
            XmlSerializer serializer = new FastXmlSerializer();
            serializer.setOutput(str, "utf-8");
            serializer.startDocument(null, true);
            serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);

            serializer.startTag(null, "packages");

            serializer.startTag(null, "last-platform-version");
            serializer.attribute(null, "internal", Integer.toString(mInternalSdkPlatform));
            serializer.attribute(null, "external", Integer.toString(mExternalSdkPlatform));
            serializer.attribute(null, "fingerprint", mFingerprint);
            serializer.endTag(null, "last-platform-version");

            serializer.startTag(null, "database-version");
            serializer.attribute(null, "internal", Integer.toString(mInternalDatabaseVersion));
            serializer.attribute(null, "external", Integer.toString(mExternalDatabaseVersion));
            serializer.endTag(null, "database-version");

            if (mVerifierDeviceIdentity != null) {
                serializer.startTag(null, "verifier");
                serializer.attribute(null, "device", mVerifierDeviceIdentity.toString());
                serializer.endTag(null, "verifier");
            }

            if (mReadExternalStorageEnforced != null) {
                serializer.startTag(null, TAG_READ_EXTERNAL_STORAGE);
                serializer.attribute(
                        null, ATTR_ENFORCEMENT, mReadExternalStorageEnforced ? "1" : "0");
                serializer.endTag(null, TAG_READ_EXTERNAL_STORAGE);
            }

            serializer.startTag(null, "permission-trees");
            for (BasePermission bp : mPermissionTrees.values()) {
                writePermissionLPr(serializer, bp);
            }
            serializer.endTag(null, "permission-trees");

            serializer.startTag(null, "permissions");
            for (BasePermission bp : mPermissions.values()) {
                writePermissionLPr(serializer, bp);
            }
            serializer.endTag(null, "permissions");

            for (final PackageSetting pkg : mPackages.values()) {
                writePackageLPr(serializer, pkg);
            }

            for (final PackageSetting pkg : mDisabledSysPackages.values()) {
                writeDisabledSysPackageLPr(serializer, pkg);
            }

            for (final SharedUserSetting usr : mSharedUsers.values()) {
                serializer.startTag(null, "shared-user");
                serializer.attribute(null, ATTR_NAME, usr.name);
                serializer.attribute(null, "userId",
                        Integer.toString(usr.userId));
                usr.signatures.writeXml(serializer, "sigs", mPastSignatures);
                serializer.startTag(null, "perms");
                for (String name : usr.grantedPermissions) {
                    serializer.startTag(null, TAG_ITEM);
                    serializer.attribute(null, ATTR_NAME, name);
                    serializer.endTag(null, TAG_ITEM);
                }
                serializer.endTag(null, "perms");
                serializer.endTag(null, "shared-user");
            }

            if (mPackagesToBeCleaned.size() > 0) {
                for (PackageCleanItem item : mPackagesToBeCleaned) {
                    final String userStr = Integer.toString(item.userId);
                    serializer.startTag(null, "cleaning-package");
                    serializer.attribute(null, ATTR_NAME, item.packageName);
                    serializer.attribute(null, ATTR_CODE, item.andCode ? "true" : "false");
                    serializer.attribute(null, ATTR_USER, userStr);
                    serializer.endTag(null, "cleaning-package");
                }
            }
            
            if (mRenamedPackages.size() > 0) {
                for (Map.Entry<String, String> e : mRenamedPackages.entrySet()) {
                    serializer.startTag(null, "renamed-package");
                    serializer.attribute(null, "new", e.getKey());
                    serializer.attribute(null, "old", e.getValue());
                    serializer.endTag(null, "renamed-package");
                }
            }
            
            mKeySetManagerService.writeKeySetManagerServiceLPr(serializer);

            serializer.endTag(null, "packages");

            serializer.endDocument();

            str.flush();
            FileUtils.sync(fstr);
            str.close();

            // New settings successfully written, old ones are no longer
            // needed.
            mBackupSettingsFilename.delete();
            FileUtils.setPermissions(mSettingsFilename.toString(),
                    FileUtils.S_IRUSR|FileUtils.S_IWUSR
                    |FileUtils.S_IRGRP|FileUtils.S_IWGRP,
                    -1, -1);

            // Write package list file now, use a JournaledFile.
            File tempFile = new File(mPackageListFilename.getAbsolutePath() + ".tmp");
            JournaledFile journal = new JournaledFile(mPackageListFilename, tempFile);

            final File writeTarget = journal.chooseForWrite();
            fstr = new FileOutputStream(writeTarget);
            str = new BufferedOutputStream(fstr);
            try {
                FileUtils.setPermissions(fstr.getFD(), 0640, SYSTEM_UID, PACKAGE_INFO_GID);

                StringBuilder sb = new StringBuilder();
                for (final PackageSetting pkg : mPackages.values()) {
                    if (pkg.pkg == null || pkg.pkg.applicationInfo == null) {
                        Slog.w(TAG, "Skipping " + pkg + " due to missing metadata");
                        continue;
                    }

                    final ApplicationInfo ai = pkg.pkg.applicationInfo;
                    final String dataPath = ai.dataDir;
                    final boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
                    final int[] gids = pkg.getGids();

                    // Avoid any application that has a space in its path.
                    if (dataPath.indexOf(" ") >= 0)
                        continue;

                    // we store on each line the following information for now:
                    //
                    // pkgName    - package name
                    // userId     - application-specific user id
                    // debugFlag  - 0 or 1 if the package is debuggable.
                    // dataPath   - path to package's data path
                    // seinfo     - seinfo label for the app (assigned at install time)
                    // gids       - supplementary gids this app launches with
                    //
                    // NOTE: We prefer not to expose all ApplicationInfo flags for now.
                    //
                    // DO NOT MODIFY THIS FORMAT UNLESS YOU CAN ALSO MODIFY ITS USERS
                    // FROM NATIVE CODE. AT THE MOMENT, LOOK AT THE FOLLOWING SOURCES:
                    //   system/core/run-as/run-as.c
                    //   system/core/sdcard/sdcard.c
                    //   external/libselinux/src/android.c:package_info_init()
                    //
                    sb.setLength(0);
                    sb.append(ai.packageName);
                    sb.append(" ");
                    sb.append((int)ai.uid);
                    sb.append(isDebug ? " 1 " : " 0 ");
                    sb.append(dataPath);
                    sb.append(" ");
                    sb.append(ai.seinfo);
                    sb.append(" ");
                    if (gids != null && gids.length > 0) {
                        sb.append(gids[0]);
                        for (int i = 1; i < gids.length; i++) {
                            sb.append(",");
                            sb.append(gids[i]);
                        }
                    } else {
                        sb.append("none");
                    }
                    sb.append("\n");
                    str.write(sb.toString().getBytes());
                }
                str.flush();
                FileUtils.sync(fstr);
                str.close();
                journal.commit();
            } catch (Exception e) {
                Slog.wtf(TAG, "Failed to write packages.list", e);
                IoUtils.closeQuietly(str);
                journal.rollback();
            }

            writeAllUsersPackageRestrictionsLPr();
            return;

        } catch(XmlPullParserException e) {
            Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, "
                    + "current changes will be lost at reboot", e);
        } catch(java.io.IOException e) {
            Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, "
                    + "current changes will be lost at reboot", e);
        }
        // Clean up partially written files
        if (mSettingsFilename.exists()) {
            if (!mSettingsFilename.delete()) {
                Slog.wtf(PackageManagerService.TAG, "Failed to clean up mangled file: "
                        + mSettingsFilename);
            }
        }
        //Debug.stopMethodTracing();
voidwritePackageLPr(org.xmlpull.v1.XmlSerializer serializer, PackageSetting pkg)

        serializer.startTag(null, "package");
        serializer.attribute(null, ATTR_NAME, pkg.name);
        if (pkg.realName != null) {
            serializer.attribute(null, "realName", pkg.realName);
        }
        serializer.attribute(null, "codePath", pkg.codePathString);
        if (!pkg.resourcePathString.equals(pkg.codePathString)) {
            serializer.attribute(null, "resourcePath", pkg.resourcePathString);
        }

        if (pkg.legacyNativeLibraryPathString != null) {
            serializer.attribute(null, "nativeLibraryPath", pkg.legacyNativeLibraryPathString);
        }
        if (pkg.primaryCpuAbiString != null) {
            serializer.attribute(null, "primaryCpuAbi", pkg.primaryCpuAbiString);
        }
        if (pkg.secondaryCpuAbiString != null) {
            serializer.attribute(null, "secondaryCpuAbi", pkg.secondaryCpuAbiString);
        }
        if (pkg.cpuAbiOverrideString != null) {
            serializer.attribute(null, "cpuAbiOverride", pkg.cpuAbiOverrideString);
        }

        serializer.attribute(null, "flags", Integer.toString(pkg.pkgFlags));
        serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
        serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
        serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
        serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
        if (pkg.sharedUser == null) {
            serializer.attribute(null, "userId", Integer.toString(pkg.appId));
        } else {
            serializer.attribute(null, "sharedUserId", Integer.toString(pkg.appId));
        }
        if (pkg.uidError) {
            serializer.attribute(null, "uidError", "true");
        }
        if (pkg.installStatus == PackageSettingBase.PKG_INSTALL_INCOMPLETE) {
            serializer.attribute(null, "installStatus", "false");
        }
        if (pkg.installerPackageName != null) {
            serializer.attribute(null, "installer", pkg.installerPackageName);
        }
        pkg.signatures.writeXml(serializer, "sigs", mPastSignatures);
        if ((pkg.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
            serializer.startTag(null, "perms");
            if (pkg.sharedUser == null) {
                // If this is a shared user, the permissions will
                // be written there. We still need to write an
                // empty permissions list so permissionsFixed will
                // be set.
                for (final String name : pkg.grantedPermissions) {
                    serializer.startTag(null, TAG_ITEM);
                    serializer.attribute(null, ATTR_NAME, name);
                    serializer.endTag(null, TAG_ITEM);
                }
            }
            serializer.endTag(null, "perms");
        }

        writeSigningKeySetsLPr(serializer, pkg.keySetData);
        writeUpgradeKeySetsLPr(serializer, pkg.keySetData);
        writeKeySetAliasesLPr(serializer, pkg.keySetData);

        serializer.endTag(null, "package");
voidwritePackageRestrictionsLPr(int userId)

        if (DEBUG_MU) {
            Log.i(TAG, "Writing package restrictions for user=" + userId);
        }
        // Keep the old stopped packages around until we know the new ones have
        // been successfully written.
        File userPackagesStateFile = getUserPackagesStateFile(userId);
        File backupFile = getUserPackagesStateBackupFile(userId);
        new File(userPackagesStateFile.getParent()).mkdirs();
        if (userPackagesStateFile.exists()) {
            // Presence of backup settings file indicates that we failed
            // to persist packages earlier. So preserve the older
            // backup for future reference since the current packages
            // might have been corrupted.
            if (!backupFile.exists()) {
                if (!userPackagesStateFile.renameTo(backupFile)) {
                    Slog.wtf(PackageManagerService.TAG,
                            "Unable to backup user packages state file, "
                            + "current changes will be lost at reboot");
                    return;
                }
            } else {
                userPackagesStateFile.delete();
                Slog.w(PackageManagerService.TAG, "Preserving older stopped packages backup");
            }
        }

        try {
            final FileOutputStream fstr = new FileOutputStream(userPackagesStateFile);
            final BufferedOutputStream str = new BufferedOutputStream(fstr);

            final XmlSerializer serializer = new FastXmlSerializer();
            serializer.setOutput(str, "utf-8");
            serializer.startDocument(null, true);
            serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);

            serializer.startTag(null, TAG_PACKAGE_RESTRICTIONS);

            for (final PackageSetting pkg : mPackages.values()) {
                PackageUserState ustate = pkg.readUserState(userId);
                if (ustate.stopped || ustate.notLaunched || !ustate.installed
                        || ustate.enabled != COMPONENT_ENABLED_STATE_DEFAULT
                        || ustate.hidden
                        || (ustate.enabledComponents != null
                                && ustate.enabledComponents.size() > 0)
                        || (ustate.disabledComponents != null
                                && ustate.disabledComponents.size() > 0)
                        || ustate.blockUninstall) {
                    serializer.startTag(null, TAG_PACKAGE);
                    serializer.attribute(null, ATTR_NAME, pkg.name);
                    if (DEBUG_MU) Log.i(TAG, "  pkg=" + pkg.name + ", state=" + ustate.enabled);

                    if (!ustate.installed) {
                        serializer.attribute(null, ATTR_INSTALLED, "false");
                    }
                    if (ustate.stopped) {
                        serializer.attribute(null, ATTR_STOPPED, "true");
                    }
                    if (ustate.notLaunched) {
                        serializer.attribute(null, ATTR_NOT_LAUNCHED, "true");
                    }
                    if (ustate.hidden) {
                        serializer.attribute(null, ATTR_HIDDEN, "true");
                    }
                    if (ustate.blockUninstall) {
                        serializer.attribute(null, ATTR_BLOCK_UNINSTALL, "true");
                    }
                    if (ustate.enabled != COMPONENT_ENABLED_STATE_DEFAULT) {
                        serializer.attribute(null, ATTR_ENABLED,
                                Integer.toString(ustate.enabled));
                        if (ustate.lastDisableAppCaller != null) {
                            serializer.attribute(null, ATTR_ENABLED_CALLER,
                                    ustate.lastDisableAppCaller);
                        }
                    }
                    if (ustate.enabledComponents != null
                            && ustate.enabledComponents.size() > 0) {
                        serializer.startTag(null, TAG_ENABLED_COMPONENTS);
                        for (final String name : ustate.enabledComponents) {
                            serializer.startTag(null, TAG_ITEM);
                            serializer.attribute(null, ATTR_NAME, name);
                            serializer.endTag(null, TAG_ITEM);
                        }
                        serializer.endTag(null, TAG_ENABLED_COMPONENTS);
                    }
                    if (ustate.disabledComponents != null
                            && ustate.disabledComponents.size() > 0) {
                        serializer.startTag(null, TAG_DISABLED_COMPONENTS);
                        for (final String name : ustate.disabledComponents) {
                            serializer.startTag(null, TAG_ITEM);
                            serializer.attribute(null, ATTR_NAME, name);
                            serializer.endTag(null, TAG_ITEM);
                        }
                        serializer.endTag(null, TAG_DISABLED_COMPONENTS);
                    }
                    serializer.endTag(null, TAG_PACKAGE);
                }
            }

            writePreferredActivitiesLPr(serializer, userId, true);

            writePersistentPreferredActivitiesLPr(serializer, userId);

            writeCrossProfileIntentFiltersLPr(serializer, userId);

            serializer.endTag(null, TAG_PACKAGE_RESTRICTIONS);

            serializer.endDocument();

            str.flush();
            FileUtils.sync(fstr);
            str.close();

            // New settings successfully written, old ones are no longer
            // needed.
            backupFile.delete();
            FileUtils.setPermissions(userPackagesStateFile.toString(),
                    FileUtils.S_IRUSR|FileUtils.S_IWUSR
                    |FileUtils.S_IRGRP|FileUtils.S_IWGRP,
                    -1, -1);

            // Done, all is good!
            return;
        } catch(java.io.IOException e) {
            Slog.wtf(PackageManagerService.TAG,
                    "Unable to write package manager user packages state, "
                    + " current changes will be lost at reboot", e);
        }

        // Clean up partially written files
        if (userPackagesStateFile.exists()) {
            if (!userPackagesStateFile.delete()) {
                Log.i(PackageManagerService.TAG, "Failed to clean up mangled file: "
                        + mStoppedPackagesFilename);
            }
        }
voidwritePermissionLPr(org.xmlpull.v1.XmlSerializer serializer, BasePermission bp)

        if (bp.type != BasePermission.TYPE_BUILTIN && bp.sourcePackage != null) {
            serializer.startTag(null, TAG_ITEM);
            serializer.attribute(null, ATTR_NAME, bp.name);
            serializer.attribute(null, "package", bp.sourcePackage);
            if (bp.protectionLevel != PermissionInfo.PROTECTION_NORMAL) {
                serializer.attribute(null, "protection", Integer.toString(bp.protectionLevel));
            }
            if (PackageManagerService.DEBUG_SETTINGS)
                Log.v(PackageManagerService.TAG, "Writing perm: name=" + bp.name + " type="
                        + bp.type);
            if (bp.type == BasePermission.TYPE_DYNAMIC) {
                final PermissionInfo pi = bp.perm != null ? bp.perm.info : bp.pendingInfo;
                if (pi != null) {
                    serializer.attribute(null, "type", "dynamic");
                    if (pi.icon != 0) {
                        serializer.attribute(null, "icon", Integer.toString(pi.icon));
                    }
                    if (pi.nonLocalizedLabel != null) {
                        serializer.attribute(null, "label", pi.nonLocalizedLabel.toString());
                    }
                }
            }
            serializer.endTag(null, TAG_ITEM);
        }
voidwritePersistentPreferredActivitiesLPr(org.xmlpull.v1.XmlSerializer serializer, int userId)

        serializer.startTag(null, TAG_PERSISTENT_PREFERRED_ACTIVITIES);
        PersistentPreferredIntentResolver ppir = mPersistentPreferredActivities.get(userId);
        if (ppir != null) {
            for (final PersistentPreferredActivity ppa : ppir.filterSet()) {
                serializer.startTag(null, TAG_ITEM);
                ppa.writeToXml(serializer);
                serializer.endTag(null, TAG_ITEM);
            }
        }
        serializer.endTag(null, TAG_PERSISTENT_PREFERRED_ACTIVITIES);
voidwritePreferredActivitiesLPr(org.xmlpull.v1.XmlSerializer serializer, int userId, boolean full)

        serializer.startTag(null, "preferred-activities");
        PreferredIntentResolver pir = mPreferredActivities.get(userId);
        if (pir != null) {
            for (final PreferredActivity pa : pir.filterSet()) {
                serializer.startTag(null, TAG_ITEM);
                pa.writeToXml(serializer, full);
                serializer.endTag(null, TAG_ITEM);
            }
        }
        serializer.endTag(null, "preferred-activities");
voidwriteSigningKeySetsLPr(org.xmlpull.v1.XmlSerializer serializer, PackageKeySetData data)

        if (data.getSigningKeySets() != null) {
            // Keep track of the original signing-keyset.
            // Must be recorded first, since it will be read first and wipe the
            // current signing-keysets for the package when set.
            long properSigningKeySet = data.getProperSigningKeySet();
            serializer.startTag(null, "proper-signing-keyset");
            serializer.attribute(null, "identifier", Long.toString(properSigningKeySet));
            serializer.endTag(null, "proper-signing-keyset");
            for (long id : data.getSigningKeySets()) {
                serializer.startTag(null, "signing-keyset");
                serializer.attribute(null, "identifier", Long.toString(id));
                serializer.endTag(null, "signing-keyset");
            }
        }
voidwriteUpgradeKeySetsLPr(org.xmlpull.v1.XmlSerializer serializer, PackageKeySetData data)

        if (data.isUsingUpgradeKeySets()) {
            for (long id : data.getUpgradeKeySets()) {
                serializer.startTag(null, "upgrade-keyset");
                serializer.attribute(null, "identifier", Long.toString(id));
                serializer.endTag(null, "upgrade-keyset");
            }
        }