@Override public void onReceive(Context context, Intent intent) { // We are now running with the system up, but no apps started, // so can do whatever cleanup after an upgrade that we want. try { long startTime = System.currentTimeMillis(); // Lookup the last known database version final SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE); final int prefDbVersion = prefs.getInt(PREF_DB_VERSION, 0); final String curIcuVersion = ICU.getIcuVersion(); final String curOsVersion = getOsVersionString(); final String prefIcuVersion = prefs.getString(PREF_ICU_VERSION, ""); final String prefOsVersion = prefs.getString(PREF_OS_VERSION, ""); // If the version is old go ahead and attempt to create or upgrade the database. if (prefDbVersion != ContactsDatabaseHelper.DATABASE_VERSION || !prefIcuVersion.equals(curIcuVersion) || !prefOsVersion.equals(curOsVersion)) { // Store the current version so this receiver isn't run again until the database // version number changes. This is intentionally done even before the upgrade path // is attempted to be conservative. If the upgrade fails for some reason and we // crash and burn we don't want to get into a loop doing so. SharedPreferences.Editor editor = prefs.edit(); editor.putInt(PREF_DB_VERSION, ContactsDatabaseHelper.DATABASE_VERSION); editor.putString(PREF_ICU_VERSION, curIcuVersion); editor.putString(PREF_OS_VERSION, curOsVersion); editor.commit(); // Ask for a reference to the database to force the helper to either // create the database or open it up, performing any necessary upgrades // in the process. ContactsDatabaseHelper helper = ContactsDatabaseHelper.getInstance(context); ProfileDatabaseHelper profileHelper = ProfileDatabaseHelper.getInstance(context); CallLogDatabaseHelper calllogHelper = CallLogDatabaseHelper.getInstance(context); Log.i(TAG, "Creating or opening contacts database"); helper.getWritableDatabase(); helper.clearDirectoryScanComplete(); profileHelper.getWritableDatabase(); calllogHelper.getWritableDatabase(); ContactsProvider2.updateLocaleOffline(context, helper, profileHelper); // Log the total time taken for the receiver to perform the operation EventLogTags.writeContactsUpgradeReceiver(System.currentTimeMillis() - startTime); } } catch (Throwable t) { // Something has gone terribly wrong. Disable this receiver for good so we can't // possibly end up in a reboot loop. Log.wtf(TAG, "Error during upgrade attempt. Disabling receiver.", t); context .getPackageManager() .setComponentEnabledSetting( new ComponentName(context, getClass()), PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP); } }
@Override public void onEvent(int event, String path) { EventLogTags.writeCacheFileDeleted(path); }
private void writeToEventLog() { byte packageManagerInstallResultByte = 0; if (mResult == RESULT_PACKAGE_MANAGER_INSTALL_FAILED) { // PackageManager install error codes are negative, starting from -1 and going to // -111 (at the moment). We thus store them in negated form. packageManagerInstallResultByte = clipUnsignedValueToUnsignedByte(-mPackageManagerInstallResult); } final int resultAndFlags = (mResult & 0xff) | ((packageManagerInstallResultByte & 0xff) << 8) | ((mFlags & 0xffff) << 16); // Total elapsed time from start to end, in milliseconds. final int totalElapsedTime = clipUnsignedLongToUnsignedInt(mEndTimestampMillis - mStartTimestampMillis); // Total elapsed time from start till information about the package being installed was // obtained, in milliseconds. final int elapsedTimeTillPackageInfoObtained = (isPackageInfoObtained()) ? clipUnsignedLongToUnsignedInt( mPackageInfoObtainedTimestampMillis - mStartTimestampMillis) : 0; // Total elapsed time from start till Install button clicked, in milliseconds // milliseconds. final int elapsedTimeTillInstallButtonClick = (isInstallButtonClicked()) ? clipUnsignedLongToUnsignedInt( mInstallButtonClickTimestampMillis - mStartTimestampMillis) : 0; // If this user has consented to app verification, augment the logged event with the hash of // the contents of the APK. if (((mFlags & FLAG_FILE_URI) != 0) && ((mFlags & FLAG_VERIFY_APPS_ENABLED) != 0) && (isUserConsentToVerifyAppsGranted())) { // Log the hash of the APK's contents. // Reading the APK may take a while -- perform in background. AsyncTask.THREAD_POOL_EXECUTOR.execute( new Runnable() { @Override public void run() { byte[] digest = null; try { digest = getPackageContentsDigest(); } catch (IOException e) { Log.w(TAG, "Failed to hash APK contents", e); } finally { String digestHex = (digest != null) ? IntegralToString.bytesToHexString(digest, false) : ""; EventLogTags.writeInstallPackageAttempt( resultAndFlags, totalElapsedTime, elapsedTimeTillPackageInfoObtained, elapsedTimeTillInstallButtonClick, digestHex); } } }); } else { // Do not log the hash of the APK's contents EventLogTags.writeInstallPackageAttempt( resultAndFlags, totalElapsedTime, elapsedTimeTillPackageInfoObtained, elapsedTimeTillInstallButtonClick, ""); } mLogged = true; if (Log.isLoggable(TAG, Log.VERBOSE)) { Log.v( TAG, "Analytics:" + "\n\tinstallsFromUnknownSourcesPermitted: " + isInstallsFromUnknownSourcesPermitted() + "\n\tinstallRequestFromUnknownSource: " + isInstallRequestFromUnknownSource() + "\n\tverifyAppsEnabled: " + isVerifyAppsEnabled() + "\n\tappVerifierInstalled: " + isAppVerifierInstalled() + "\n\tfileUri: " + isFileUri() + "\n\treplace: " + isReplace() + "\n\tsystemApp: " + isSystemApp() + "\n\tpackageInfoObtained: " + isPackageInfoObtained() + "\n\tinstallButtonClicked: " + isInstallButtonClicked() + "\n\tpermissionsDisplayed: " + isPermissionsDisplayed() + "\n\tnewPermissionsDisplayed: " + isNewPermissionsDisplayed() + "\n\tallPermissionsDisplayed: " + isAllPermissionsDisplayed() + "\n\tnewPermissionsFound: " + isNewPermissionsFound() + "\n\tresult: " + mResult + "\n\tpackageManagerInstallResult: " + mPackageManagerInstallResult + "\n\ttotalDuration: " + (mEndTimestampMillis - mStartTimestampMillis) + " ms" + "\n\ttimeTillPackageInfoObtained: " + ((isPackageInfoObtained()) ? ((mPackageInfoObtainedTimestampMillis - mStartTimestampMillis) + " ms") : "n/a") + "\n\ttimeTillInstallButtonClick: " + ((isInstallButtonClicked()) ? ((mInstallButtonClickTimestampMillis - mStartTimestampMillis) + " ms") : "n/a")); Log.v( TAG, "Wrote to Event Log: 0x" + Long.toString(resultAndFlags & 0xffffffffL, 16) + ", " + totalElapsedTime + ", " + elapsedTimeTillPackageInfoObtained + ", " + elapsedTimeTillInstallButtonClick); } }