@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final PackageManager pm = getPackageManager();
if (pm == null) {
launchInternalPicker();
return;
}
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("application/zip");
try {
if (pm.queryIntentActivities(intent, PackageManager.GET_ACTIVITIES).size() > 0) {
intent = new Intent();
intent.setType("application/zip");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, REQUEST_PICK_FILE);
} else {
throw new ActivityNotFoundException();
}
} catch (ActivityNotFoundException e) {
Timber.e(e, "No activity found to handle file picking! Falling back to default!");
launchInternalPicker();
}
}
@Override
public void execute(Bundle args) {
try {
Collection<CategoryItem> categories = radioApi.listPrimaryCategories();
// FileRadioApi implementation returns null due to IOException
if (categories == null) {
syncResult.stats.numIoExceptions++;
} else {
ContentResolver contentResolver = context.getContentResolver();
Cursor cursor =
contentResolver.query(
CategoryColumns.CONTENT_URI, CategoryColumns.ALL_COLUMNS, null, null, null);
try {
contentResolver.applyBatch(
context.getString(R.string.content_authority), prepareBatch(cursor, categories));
} catch (RemoteException e) {
Timber.e(e, "RemoteException while sync of categories");
} catch (OperationApplicationException e) {
Timber.e(e, "OperationApplicationException while sync of categories");
throw new IllegalStateException(e);
}
}
} catch (RetrofitError error) {
Timber.e(error, "Failed to sync categories");
syncResult.stats.numIoExceptions++;
}
}
/**
* Stores the current state of the widget.
*
* <p>It replaces any stored state for the widget.
*
* @param decks an array of {@link DeckStatus} objects, one for each of the know decks.
*/
public static void storeWidgetStatus(Context context, DeckStatus[] decks) {
openDBIfClosed(context);
try {
mMetaDb.beginTransaction();
try {
// First clear all the existing content.
mMetaDb.execSQL("DELETE FROM widgetStatus");
for (DeckStatus deck : decks) {
mMetaDb.execSQL(
"INSERT INTO widgetStatus(deckId, deckName, newCards, lrnCards, dueCards, progress, eta) "
+ "VALUES (?, ?, ?, ?, ?, ?, ?)",
new Object[] {
deck.mDeckId,
deck.mDeckName,
deck.mNewCards,
deck.mLrnCards,
deck.mDueCards,
deck.mProgress,
deck.mEta
});
}
mMetaDb.setTransactionSuccessful();
} finally {
mMetaDb.endTransaction();
}
} catch (IllegalStateException e) {
Timber.e(e, "MetaDB.storeWidgetStatus: failed");
} catch (SQLiteException e) {
Timber.e(e, "MetaDB.storeWidgetStatus: failed");
closeDB();
Timber.i("MetaDB:: Trying to reset Widget: " + resetWidget(context));
}
}
public List<WiFiApConfig> getSortedWifiApConfigsList() {
App.getTraceUtils().startTrace(TAG, "getSortedWifiApConfigsList", Log.DEBUG);
if (getWifiNetworkStatus().isEmpty()) {
updateWifiApConfigs();
App.getTraceUtils()
.partialTrace(TAG, "getSortedWifiApConfigsList", "updateWifiApConfigs", Log.DEBUG);
}
List<WiFiApConfig> list = null;
synchronized (wifiNetworkStatusLock) {
list = new ArrayList<WiFiApConfig>(getWifiNetworkStatus().values());
App.getTraceUtils()
.partialTrace(TAG, "getSortedWifiApConfigsList", "new ArrayList", Log.DEBUG);
try {
Collections.sort(list);
} catch (IllegalArgumentException e) {
Timber.e("config_list", configListToDBG().toString());
Timber.e(e, "Exception during sort of WiFiAPConfigs");
}
}
App.getTraceUtils()
.partialTrace(TAG, "getSortedWifiApConfigsList", "Collections.sort", Log.DEBUG);
App.getTraceUtils().stopTrace(TAG, "getSortedWifiApConfigsList", Log.DEBUG);
return list;
}
// TODO: Implement Telescope/Crashlytics here!
private void logError(Throwable e) {
// "java.util.NoSuchElementException " --> No items in Observable
// "java.net.UnknownHostException" --> No Internet Connection
// "retrofit.HttpException" --> Malformed URL or Address
// "com.google.gson.JsonSyntaxException" --> Bad JSON
// "com.google.gson.JsonParseException"
// "com.google.gson.JsonIOException"
Timber.e(e.getMessage());
Timber.e(e, "Error Trace");
}
// 添加MsgBean列表
public void addMgList(List<MsgBean> newMsgList) {
if (newMsgList == null) {
Timber.e("没有更多的聊天记录了");
return;
}
for (int i = 0; i < newMsgList.size(); i++) {
msgList.add(0, newMsgList.get(i));
}
Timber.e("增加了: \t" + newMsgList.size());
notifyDataSetChanged();
mRecyclerView.smoothScrollBy(0, msgList.size() * 200);
}
/**
* Stores a custom dictionary for a given deck.
*
* @param dictionary integer number of dictionary, -1 if not set (standard dictionary will be
* used)
*/
public static void storeLookupDictionary(Context context, long did, int dictionary) {
openDBIfClosed(context);
Cursor cur = null;
try {
cur = mMetaDb.rawQuery("SELECT _id FROM customDictionary" + " WHERE did = " + did, null);
if (cur.moveToNext()) {
mMetaDb.execSQL(
"UPDATE customDictionary "
+ "SET did = "
+ did
+ ", "
+ "dictionary="
+ Integer.toString(dictionary)
+ " "
+ "WHERE _id="
+ cur.getString(0)
+ ";");
Timber.i("MetaDB:: Store custom dictionary (%d) for deck %d", dictionary, did);
} else {
mMetaDb.execSQL(
"INSERT INTO customDictionary (did, dictionary) VALUES (?, ?)",
new Object[] {did, dictionary});
Timber.i("MetaDB:: Store custom dictionary (%d) for deck %d", dictionary, did);
}
} catch (Exception e) {
Timber.e(e, "Error storing custom dictionary to MetaDB ");
} finally {
if (cur != null && !cur.isClosed()) {
cur.close();
}
}
}
/**
* Stores the state of the whiteboard for a given deck.
*
* @param state 1 if the whiteboard should be shown, 0 otherwise
*/
public static void storeWhiteboardState(Context context, long did, boolean whiteboardState) {
int state = (whiteboardState) ? 1 : 0;
openDBIfClosed(context);
Cursor cur = null;
try {
cur = mMetaDb.rawQuery("SELECT _id FROM whiteboardState" + " WHERE did = " + did, null);
if (cur.moveToNext()) {
mMetaDb.execSQL(
"UPDATE whiteboardState "
+ "SET did = "
+ did
+ ", "
+ "state="
+ Integer.toString(state)
+ " "
+ "WHERE _id="
+ cur.getString(0)
+ ";");
Timber.d("Store whiteboard state (%d) for deck %d", state, did);
} else {
mMetaDb.execSQL(
"INSERT INTO whiteboardState (did, state) VALUES (?, ?)", new Object[] {did, state});
Timber.d("Store whiteboard state (%d) for deck %d", state, did);
}
} catch (Exception e) {
Timber.e(e, "Error storing whiteboard state in MetaDB ");
} finally {
if (cur != null && !cur.isClosed()) {
cur.close();
}
}
}
private synchronized void loadSubscriptions() {
mEnabledExtensions = new ArrayList<>();
mSubscriptions = new HashMap<>();
mTokens = new HashMap<>();
String serializedSubscriptions = mSharedPrefs.getString(PREF_SUBSCRIPTIONS, null);
if (serializedSubscriptions == null) {
setDefaultEnabledExtensions();
return;
}
JSONArray jsonArray;
try {
jsonArray = new JSONArray(serializedSubscriptions);
} catch (JSONException e) {
Timber.e(e, "Deserializing subscriptions failed");
return;
}
for (int i = 0; i < jsonArray.length(); i++) {
String subscription = jsonArray.optString(i, null);
if (subscription == null) {
continue;
}
String[] arr = subscription.split("\\|", 2);
ComponentName extension = ComponentName.unflattenFromString(arr[0]);
String token = arr[1];
mEnabledExtensions.add(extension);
mSubscriptions.put(extension, token);
mTokens.put(token, extension);
Timber.d("Restored subscription: " + extension + " token: " + token);
}
}
private void enableExtension(ComponentName extension) {
if (extension == null) {
Timber.e("enableExtension: empty extension");
}
if (mSubscriptions.containsKey(extension)) {
// already subscribed
Timber.d("enableExtension: already subscribed to " + extension);
return;
}
// subscribe
String token = UUID.randomUUID().toString();
while (mTokens.containsKey(token)) {
// create another UUID on collision
/**
* As the number of enabled extensions is rather low compared to the UUID number space we
* shouldn't have to worry about this ever looping.
*/
token = UUID.randomUUID().toString();
}
Timber.d("enableExtension: subscribing to " + extension);
mSubscriptions.put(extension, token);
mTokens.put(token, extension);
mContext.startService(
new Intent(IncomingConstants.ACTION_SUBSCRIBE)
.setComponent(extension)
.putExtra(IncomingConstants.EXTRA_SUBSCRIBER_COMPONENT, mSubscriberComponentName)
.putExtra(IncomingConstants.EXTRA_TOKEN, token));
}
/** @return the current video conversion progress in % (0 to 1) */
public float getVideoConversionProgress(VideoConversion conversion) {
if (!conversion.getProgressFile().exists()) return 0;
// amount of frames in this video
int totalFrames = conversion.getImageCount() * FRAMERATE * IMAGE_LENGTH_IN_SECONDS;
// read progress file
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(conversion.getProgressFile()));
long currentFrame = 0;
String line;
while ((line = reader.readLine()) != null) {
currentFrame = Integer.valueOf(line.substring(6)); // reads first line "frame=<number>"
for (int i = 0; i < 8; ++i) reader.readLine(); // reads the 9 additional progress lines
}
return ((float) currentFrame) / totalFrames;
} catch (IOException e) {
Timber.e("failed to read progress", e);
return 0;
} finally {
ioUtils.close(reader);
}
}
private void sendError(Bundle resultData) {
Timber.e("Error receiving result");
BaseCommand command = resultData.getParcelable(ARG_COMMAND_CLASS);
if (command instanceof SyncContactsCommand) {
_bus.post(new SyncAllContactsErrorEvent());
}
}
/*
* Starts an appropriate intent or dialog for user interaction to resolve
* the current error preventing the user from being signed in. This could be
* a dialog allowing the user to select an account, an activity allowing the
* user to consent to the permissions being requested by your app, a setting
* to enable device networking, etc.
*/
private void resolveSignInError() {
if (mSignInIntent != null) {
// We have an intent which will allow our user to sign in or
// resolve an error. For example if the user needs to
// select an account to sign in with, or if they need to consent
// to the permissions your app is requesting.
try {
// Send the pending intent that we stored on the most recent
// OnConnectionFailed callback. This will allow the user to
// resolve the error currently preventing our connection to
// Google Play services.
mSignInProgress = STATE_IN_PROGRESS;
startIntentSenderForResult(mSignInIntent.getIntentSender(), RC_SIGN_IN, null, 0, 0, 0);
} catch (SendIntentException e) {
Timber.e(TAG, "Sign in intent could not be sent: " + e.getLocalizedMessage());
// The intent was canceled before it was sent. Attempt to
// connect to
// get an updated ConnectionResult.
mSignInProgress = STATE_SIGN_IN;
mGoogleApiClient.connect();
}
} else {
// Google Play services wasn't able to provide an intent for some
// error types, so we show the default Google Play services error
// dialog which may still start an intent on our behalf if the
// user can resolve the issue.
showDialog(DIALOG_PLAY_SERVICES_ERROR);
}
}
/** Pulls bitmap from diskcache */
private @Nullable ParcelFileDescriptor createPipe(final ArtInfo artInfo) {
final byte[] bytes = mL2Cache.getBytes(artInfo.cacheKey());
if (bytes == null) {
return null;
}
try {
final ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
final OutputStream out = new ParcelFileDescriptor.AutoCloseOutputStream(pipe[1]);
final ParcelFileDescriptor in = pipe[0];
final Scheduler.Worker worker = mScheduler.createWorker();
worker.schedule(
new Action0() {
@Override
public void call() {
try {
IOUtils.write(bytes, out);
out.flush();
} catch (IOException e) {
Timber.w("createPipe(e=%s) for %s", e.getMessage(), artInfo);
} finally {
IOUtils.closeQuietly(out);
worker.unsubscribe();
}
}
});
return in;
} catch (IOException e) {
Timber.e(e, "createPipe() for %s", artInfo);
return null;
}
}
public <T> void unregister(T subscriber) {
try {
EventBus.getDefault().unregister(subscriber);
} catch (EventBusException e) {
Timber.e(e, "The object [" + subscriber + "] was not registered when trying to unregister!");
}
}
/**
* Returns the language associated with the given deck, model and card model, for the given type.
*
* @param qa the part of the card for which to store the association, {@link
* #LANGUAGES_QA_QUESTION}, {@link #LANGUAGES_QA_ANSWER}, or {@link #LANGUAGES_QA_UNDEFINED}
* return the language associate with the type, as a two-characters, lowercase string, or the
* empty string if no association is defined
*/
public static String getLanguage(Context context, long did, int ord, int qa) {
openDBIfClosed(context);
String language = "";
Cursor cur = null;
try {
String query =
"SELECT language FROM languages "
+ "WHERE did = "
+ did
+ " AND ord = "
+ ord
+ " AND qa = "
+ qa
+ " "
+ "LIMIT 1";
cur = mMetaDb.rawQuery(query, null);
Timber.v("getLanguage: %s", query);
if (cur.moveToNext()) {
language = cur.getString(0);
}
} catch (Exception e) {
Timber.e(e, "Error fetching language ");
} finally {
if (cur != null && !cur.isClosed()) {
cur.close();
}
}
return language;
}
public static void store(List<Category> categories) {
if (categories == null || categories.size() == 0) {
return;
}
SQLiteDatabase database = new ZhihuDatabase(App.getAppContext()).getWritableDatabase();
database.beginTransaction();
boolean newInsert = false;
try {
for (Category category : categories) {
Cursor cursor =
database.rawQuery(
buildCategoryQueryUri(AppConstant.CATEGORY_EXIST_SQL, category), null);
if (cursor == null || cursor.getCount() == 0) {
save(category, database);
newInsert = true;
}
IOUtils.close(cursor);
}
database.setTransactionSuccessful();
if (newInsert) {
App.getAppContext()
.getContentResolver()
.notifyChange(ZhihuProvider.CATEGORY_CONTENT_URI, null);
}
} catch (Exception e) {
Timber.e(e, PersistUtils.class.getSimpleName());
} finally {
database.endTransaction();
}
// App.getAppContext().getContentResolver().notifyChange();
IOUtils.close(database);
}
/**
* Return the current status of the widget.
*
* @return an int array, containing due, progress, eta
*/
public static int[] getWidgetSmallStatus(Context context) {
openDBIfClosed(context);
Cursor cursor = null;
try {
cursor =
mMetaDb.query(
"smallWidgetStatus",
new String[] {"progress", "left", "eta"},
null,
null,
null,
null,
null);
while (cursor.moveToNext()) {
return (new int[] {cursor.getInt(0), cursor.getInt(1), cursor.getInt(2)});
}
} catch (SQLiteException e) {
Timber.e(e, "Error while querying widgetStatus");
} finally {
if (cursor != null && !cursor.isClosed()) {
cursor.close();
}
}
return null;
}
public static void sendMavlinkMessage(MavLinkDrone drone, MavlinkMessageWrapper messageWrapper) {
if (drone == null || messageWrapper == null) return;
MAVLinkMessage message = messageWrapper.getMavLinkMessage();
if (message == null) return;
message.compid = drone.getCompid();
message.sysid = drone.getSysid();
// Set the target system and target component for MAVLink messages that support those
// attributes.
try {
Class<?> tempMessage = message.getClass();
Field target_system = tempMessage.getDeclaredField("target_system");
Field target_component = tempMessage.getDeclaredField("target_component");
target_system.setByte(message, (byte) message.sysid);
target_component.setByte(message, (byte) message.compid);
} catch (NoSuchFieldException
| SecurityException
| IllegalAccessException
| IllegalArgumentException
| ExceptionInInitializerError e) {
Timber.e(e, e.getMessage());
}
drone.getMavClient().sendMavMessage(message, null);
}
private Object readValueFromDisk(InputStream is) throws IOException {
BufferedReader fss = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String className = fss.readLine();
if (className == null) {
return null;
}
String line = null;
String content = "";
while ((line = fss.readLine()) != null) {
content += line;
}
fss.close();
Class<?> clazz;
try {
if (className.contains("google")) {
clazz = Class.forName(className);
return mJsonFactory.createJsonParser(content).parseAndClose(clazz, null);
} else {
clazz = Class.forName(className);
return mGson.fromJson(content, clazz);
}
} catch (IllegalArgumentException e) {
Timber.e("Deserializing from disk failed", e);
return null;
} catch (ClassNotFoundException e) {
throw new IOException(e.getMessage());
}
}
private void initializeSubscriptions() {
if (downloadsSubscription != null && !downloadsSubscription.isUnsubscribed())
downloadsSubscription.unsubscribe();
if (threadsNumberSubscription != null && !threadsNumberSubscription.isUnsubscribed())
threadsNumberSubscription.unsubscribe();
threadsNumberSubscription =
preferences.downloadThreads().asObservable().subscribe(threadsNumber::onNext);
downloadsSubscription =
downloadsQueueSubject
.lift(new DynamicConcurrentMergeOperator<>(this::downloadChapter, threadsNumber))
.onBackpressureBuffer()
.observeOn(AndroidSchedulers.mainThread())
.map(download -> areAllDownloadsFinished())
.subscribe(
finished -> {
if (finished) {
DownloadService.stop(context);
}
},
e -> Timber.e(e.getCause(), e.getMessage()));
if (!isRunning) {
isRunning = true;
runningSubject.onNext(true);
}
}
private int importFile(File importPath, ImporterExporter importer) {
File file = new File(importPath, importer.getFileName());
if (!file.exists() || !file.canRead()) {
return ERROR_FILE_ACCESS;
}
importer.initializeImport(mContext);
try {
InputStream in = new FileInputStream(file);
Gson gson = new Gson();
JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
reader.beginArray();
while (reader.hasNext()) {
importer.importRecord(mContext, gson, reader);
}
reader.endArray();
reader.close();
} catch (JsonParseException | IOException e) {
// the given Json might not be valid or unreadable
Timber.e(e, "JSON show import failed");
return ERROR;
}
return SUCCESS;
}
public static void postErrorEvent(int errorCode, ICommandListener listener) {
if (listener != null) {
try {
listener.onError(errorCode);
} catch (RemoteException e) {
Timber.e(e, e.getMessage());
}
}
}
public static void postSuccessEvent(ICommandListener listener) {
if (listener != null) {
try {
listener.onSuccess();
} catch (RemoteException e) {
Timber.e(e, e.getMessage());
}
}
}
/**
* Eagerly creates a pipe, then blocks on a background thread while we wait for the fetcher to
* return the bitmap, simply closing the pipe if no art was found
*/
private @Nullable ParcelFileDescriptor createPipe2(final ArtInfo artInfo) {
try {
final ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
final OutputStream out = new ParcelFileDescriptor.AutoCloseOutputStream(pipe[1]);
final ParcelFileDescriptor in = pipe[0];
final Scheduler.Worker worker = mScheduler.createWorker();
worker.schedule(
new Action0() {
@Override
public void call() {
OptionalBitmap bitmap = null;
ArtworkFetcherService.Connection binder = null;
try {
// make a new request and wait for it to come in.
binder = ArtworkFetcherService.bindService(getContext());
final BlockingQueue<OptionalBitmap> queue = new LinkedBlockingQueue<>(1);
final CompletionListener listener =
new CompletionListener() {
@Override
public void onError(Throwable e) {
Timber.w("onError(%s) for %s", e.getMessage(), artInfo);
queue.offer(new OptionalBitmap(null));
}
@Override
public void onNext(Bitmap o) {
queue.offer(new OptionalBitmap(o));
}
};
if (!binder.getService().newRequest(artInfo, listener)) {
throw new InterruptedException("Enqueue failed");
}
bitmap = queue.take();
if (bitmap.hasBitmap()) {
byte[] bytes = mL2Cache.bitmapToBytes(bitmap.getBitmap());
IOUtils.write(bytes, out);
out.flush();
}
} catch (InterruptedException | IOException e) {
Timber.w("createPipe2(e=%s) for %s", e.getMessage(), artInfo);
if (binder != null) {
binder.getService().cancelRequest(artInfo);
}
} finally {
if (bitmap != null) bitmap.recycle();
IOUtils.closeQuietly(binder);
IOUtils.closeQuietly(out);
worker.unsubscribe();
}
}
});
return in;
} catch (IOException e) {
Timber.e(e, "createPipe2() for %s", artInfo);
return null;
}
}
public void setAccentColor(int accentColor) {
try {
Field cursorDrawableRes = TextView.class.getDeclaredField("mCursorDrawableRes");
cursorDrawableRes.setAccessible(true);
cursorDrawableRes.set(this, matchZColorToCursorResourceID(accentColor));
} catch (Exception e) {
Timber.e(e, "Failed setting custom cursor color");
}
}
@Override
public void retrieveStaleApplications() {
SubscriptionHelper.unsubscribe(retrievalSubscription);
retrievalSubscription =
interactor
.getAppEntryList()
.zipWith(
interactor.getActiveApplicationPackageNames().toList(),
(allEntries, packageNames) -> {
final Set<PadLockEntry.AllEntries> liveLocations = new HashSet<>();
final Set<String> stalePackageNames = new HashSet<>();
// Remove all active applications from the list of entries
for (final String packageName : packageNames) {
Timber.i("Look for package: %s", packageName);
final List<PadLockEntry.AllEntries> foundLocations = new ArrayList<>();
//noinspection Convert2streamapi
for (final PadLockEntry.AllEntries entry : allEntries) {
if (entry.packageName().equals(packageName)) {
foundLocations.add(entry);
}
}
liveLocations.addAll(foundLocations);
}
// Remove any found locations
for (final PadLockEntry.AllEntries liveLocation : liveLocations) {
Timber.d(
"Remove live location: %s %s",
liveLocation.packageName(), liveLocation.activityName());
allEntries.remove(liveLocation);
}
// The remaining entries in the database are stale
for (final PadLockEntry.AllEntries entry : allEntries) {
Timber.i(
"Stale database entry: %s %s", entry.packageName(), entry.activityName());
stalePackageNames.add(entry.packageName());
}
return stalePackageNames;
})
.flatMap(Observable::from)
.sorted(String::compareToIgnoreCase)
.subscribeOn(getSubscribeScheduler())
.observeOn(getObserveScheduler())
.subscribe(
s -> getView(view -> view.onStaleApplicationRetrieved(s)),
throwable -> {
Timber.e(throwable, "onError retrieveStaleApplications");
getView(View::onRetrievalComplete);
},
() -> {
SubscriptionHelper.unsubscribe(retrievalSubscription);
getView(View::onRetrievalComplete);
});
}
/** A safe way to get an instance of the Camera object. */
private Camera getCameraInstance(boolean useFrontCamera) {
Camera c = null;
try {
c = Camera.open(getCameraId(useFrontCamera));
} catch (Exception e) {
Timber.e(e, getString(R.string.lbl_camera_unavailable));
}
return c;
}
public static void saveIntentInformation(Context context, String fields) {
openDBIfClosed(context);
try {
mMetaDb.execSQL(
"INSERT INTO intentInformation (fields) " + " VALUES (?);", new Object[] {fields});
Timber.i("MetaDB:: Store intentInformation: " + fields);
} catch (Exception e) {
Timber.e(e, "Error storing intentInformation in MetaDB ");
}
}
@Override
public void onCorruption(SQLiteDatabase db) {
Timber.e("The database has been corrupted...");
AnkiDroidApp.sendExceptionReport(
new RuntimeException("Database corrupted"),
"AnkiDb.MyDbErrorHandler.onCorruption",
"Db has been corrupted ");
CollectionHelper.getInstance().closeCollection(false);
DatabaseErrorDialog.databaseCorruptFlag = true;
}