Android 7.0: Force stop application 3 times during package OTA.

An example of package OTA:

Logs:

D/DefContainer(15910): Copying /data/local/tmp/com.exmaple.ota.apk to base.apk

W/PackageManager(  653): Centralized permission: Package com.exmaple.ota is declaring a permissioncom.exmaple.ota.INTERNAL_PERMISSION which is notdeclared in the centralized apk

D/PackageManager(  653): Renaming /data/app/vmdl1120247996.tmp to /data/app/com.exmaple.ota-2

In frameworks/base/services/core/java/com/android/server/pm/PackageManagerService.java

11062    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,11063            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,11064            int[] allUsers, boolean[] perUserInstalled,11065            String installerPackageName, PackageInstalledInfo res) {.................................11094        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");1109511098        // Remove existing system package11099        removePackageLI(oldPkgSetting, true);11100        // writer11101        synchronized (mPackages) {11102            disabledSystem = mSettings.disableSystemPackageLPw(packageName);.......................................11121        }1112211123        // Successfully disabled the old package. Now proceed with re-installation11124        deleteCodeCacheDirsLI(packageName);1112511126        res.returnCode = PackageManager.INSTALL_SUCCEEDED;11127        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;1112811129        PackageParser.Package newPackage = null;11130        try {11131            newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);11132            if (newPackage.mExtras != null) {11133                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;11134                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;11135                newPkgSetting.lastUpdateTime = System.currentTimeMillis();1113611137                // is the update attempting to change shared user? that isn't going to work...11138                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {11139                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,11140                            "Forbidding shared user change from " + oldPkgSetting.sharedUser11141                            + " to " + newPkgSetting.sharedUser);11142                    updatedSettings = true;11143                }11144            }11205    }

7122    private void killApplication(String pkgName, int appId, String reason) {7126        IActivityManager am = ActivityManagerNative.getDefault();7127        if (am != null) {7128            try {7129                am.killApplicationWithAppId(pkgName, appId, reason);7130            } catch (RemoteException e) {7131            }7132        }7133    }

In frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

5914    public void killApplicationWithAppId(String pkg, int appid, String reason) {5925        if (callerUid == Process.SYSTEM_UID) {5926            // Post an aysnc message to kill the application5927            Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG);5934            mHandler.sendMessage(msg);5935        }5939    }

1696            case KILL_APPLICATION_MSG: {1697                synchronized (ActivityManagerService.this) {1698                    int appid = msg.arg1;1699                    boolean restart = (msg.arg2 == 1);1700                    Bundle bundle = (Bundle)msg.obj;1701                    String pkg = bundle.getString("pkg");1702                    String reason = bundle.getString("reason");1703                    forceStopPackageLocked(pkg, appid, restart, false, true, false,1704                            false, UserHandle.USER_ALL, reason);1705                }1706            } break;

61746175    private final boolean forceStopPackageLocked(String name, int appId,6176            boolean callerWillRestart, boolean purgeCache, boolean doit,6177            boolean evenPersistent, boolean uninstalling, int userId, String reason) {618061926193        if (doit) {6194            if (name != null) {6195                Slog.i(TAG, "Force stopping " + name + " appid=" + appId6196                        + " user=" + userId + ": " + reason);                         --> I/ActivityManager(  653): Force stopping com.exmaple.ota appid=32120 user=-1: replace sys pkg6197            } else {6198                Slog.i(TAG, "Force stopping u" + userId + ": " + reason);6199            }62296230        boolean didSomething = killPackageProcessesLocked(name, appId, userId,6231                -100, callerWillRestart, true, doit, evenPersistent,6232                name == null ? ("stop user " + userId) : ("stop " + name));

6102    private final boolean killPackageProcessesLocked(String packageName, int appId,6103            int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart,6104            boolean doit, boolean evenPersistent, String reason) {6167        int N = procs.size();6168        for (int i=0; i<N; i++) {6169            removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason);6170        }6172        return N > 0;6173    }

6337    private final boolean removeProcessLocked(ProcessRecord app,6338            boolean callerWillRestart, boolean allowRestart, String reason) {6363            app.kill(reason, true);   -> I/ActivityManager(  653): Killing 16640:com.exmaple.ota/u0a22120 (adj 9): stop com.exmaple.ota6378        return needRestart;6379    }

I/ActivityManager(  653): Force stopping com.exmaple.ota appid=32120 user=-1:replace sys pkg

I/ActivityManager(  653): Killing 16640:com.exmaple.ota/u0a22120 (adj 9):stop com.exmaple.ota

W/PackageManager(  653): Trying to update system app code path from /data/app/com.exmaple.ota-1 to /data/app/com.exmaple.ota-2

I/PackageManager(  653): Derived cpuAbiOverride=null

D/PackageManager(  653): Resolved nativeLibraryRoot for com.exmaple.ota to root=/data/app/com.exmaple.ota-2/lib, isa=true

D/PackageManager(  653): Abis for package[com.exmaple.ota] are primary=null secondary=null

I/art     (  653): DexFile_isDexOptNeeded failed to open oat file '/data/dalvik-cache/arm/data@[e-mail][e-mail]@classes.dex' for file location '/data/app/com.exmaple.ota-2/base.apk': Failed to open oat filename for reading: No such file or directory

I/art     (  653): DexFile_isDexOptNeeded failed to open oat file '/data/app/com.exmaple.ota-2/arm/base.odex' for file location '/data/app/com.exmaple.ota-2/base.apk': Failed to open oat filename for reading: No such file or directory

I/PackageManager(  653): Running dexopt on: /data/app/com.exmaple.ota-2/base.apk pkg=com.exmaple.ota isa=arm vmSafeMode=false

I/dex2oat (16828): /system/bin/dex2oat --zip-fd=6 --zip-location=/data/app/com.exmaple.ota-2/base.apk --oat-fd=7 --oat-location=/data/dalvik-cache/arm/data@[e-mail][e-mail]@classes.dex --instruction-set=arm --compile-pic --instruction-set-features=div --runtime-arg -Xms64m --runtime-arg -Xmx512m --swap-fd=12

I/art     (  653): Background partial concurrent mark sweep GC freed 108107(4MB) AllocSpace objects, 5(1197KB) LOS objects, 14% free, 23MB/27MB, paused 5.185ms total 135.408ms

D/ActivityManager(  653): cleanUpApplicationRecord -- 16640

W/ActivityManager(  653): Spurious death for ProcessRecord{56a9a86 16640:com.exmaple.ota/u0a22120}, curProc for 16640: null

W/PackageManager(  653): Code path for pkg : com.exmaple.ota changing from /data/app/com.exmaple.ota-1 to /data/app/com.exmaple.ota-2

W/PackageManager(  653): Resource path for pkg : com.exmaple.ota changing from /data/app/com.exmaple.ota-1 to /data/app/com.exmaple.ota-2

I/LoggerMetricsFactoryImpl(  653): PackageManager:AppInstalled:PackageVersion=1.6.5+1060500910;DV;1,PackageName=com.exmaple.ota;DV;1:NR

5546    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,5547            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {5548        boolean success = false;5550            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,5551                    currentTime, user);5559    }

5561    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,5562            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
6392        if ((scanFlags & SCAN_REPLACING) != 0) {6393            killApplication(pkg.applicationInfo.packageName,6394                        pkg.applicationInfo.uid, "update pkg");  refer to killApplication definition above, it will print "Force stopping com.exmaple.ota appid=32120 user=-1: update pkg"

I/ActivityManager(  653): Force stopping com.exmaple.ota appid=32120 user=-1:update pkg

Inframeworks/base/services/core/java/com/android/server/pm/PackageManagerService.java

1047                case POST_INSTALL: {1048                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);1049                    PostInstallData data = mRunningInstalls.get(msg.arg1);1050                    mRunningInstalls.delete(msg.arg1);     Remove the install task from list1051                    boolean deleteOld = false;10521053                    if (data != null) {1054                        InstallArgs args = data.args;1055                        PackageInstalledInfo res = data.res;10561057                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {1058                            res.removedInfo.sendBroadcast(false, true, false);       send out "Intent.ACTION_PACKAGE_REMOVED".....................................1094                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,1095                                    res.pkg.applicationInfo.packageName,1096                                    extras, null, null, firstUsers);1097                            final boolean update = res.removedInfo.removedPackage != null;1098                            if (update) {1099                                extras.putBoolean(Intent.EXTRA_REPLACING, true);1100                            }1101                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,1102                                    res.pkg.applicationInfo.packageName,1103                                    extras, null, null, updateUsers);1104                            if (update) {1105                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,1106                                        res.pkg.applicationInfo.packageName,1107                                        extras, null, null, updateUsers);1108                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,1109                                        null, null,1110                                        res.pkg.applicationInfo.packageName, null, updateUsers);1124                            }1137                        if (deleteOld) {1138                            synchronized (mInstallLock) {1139                                res.removedInfo.args.doPostDeleteLI(true);  Remove the old apk file1140                            }1141                        }

How to handle"Intent.ACTION_PACKAGE_REMOVED"

In frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
17345                        case Intent.ACTION_PACKAGE_REMOVED:17346                        case Intent.ACTION_PACKAGE_CHANGED:17347                            Uri data = intent.getData();17348                            String ssp;17349                            if (data != null && (ssp=data.getSchemeSpecificPart()) != null) {17350                                boolean removed = Intent.ACTION_PACKAGE_REMOVED.equals(action);17351                                boolean fullUninstall = removed &&17352                                        !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);17353                                if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) {17354                                    forceStopPackageLocked(ssp, UserHandle.getAppId(17355                                            intent.getIntExtra(Intent.EXTRA_UID, -1)),17356                                            false, true, true, false, fullUninstall, userId,17357                                            removed ? "pkg removed" : "pkg changed");   --->  Force stopping com.exmaple.ota appid=32120 user=0: pkg removed17358                                }...........................

I/ActivityManager(  653): Force stopping com.exmaple.ota appid=32120 user=0: pkg removed