/* * Copyright (c) 2018, Daniel Gultsch All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */package eu.siacs.conversations.ui;import android.annotation.SuppressLint;import android.app.Activity;import android.app.Fragment;import android.app.FragmentManager;import android.app.FragmentTransaction;import android.content.ActivityNotFoundException;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.databinding.DataBindingUtil;import android.net.Uri;import android.os.Bundle;import android.provider.Settings;import android.support.annotation.IdRes;import android.support.annotation.NonNull;import android.support.v7.app.ActionBar;import android.support.v7.app.AlertDialog;import android.support.v7.widget.Toolbar;import android.util.Log;import android.view.Menu;import android.view.MenuItem;import android.widget.Toast;import org.openintents.openpgp.util.OpenPgpApi;import java.util.Arrays;import java.util.List;import java.util.concurrent.atomic.AtomicBoolean;import eu.siacs.conversations.Config;import eu.siacs.conversations.R;import eu.siacs.conversations.crypto.OmemoSetting;import eu.siacs.conversations.databinding.ActivityConversationsBinding;import eu.siacs.conversations.entities.Account;import eu.siacs.conversations.entities.Conversation;import eu.siacs.conversations.services.XmppConnectionService;import eu.siacs.conversations.ui.interfaces.OnBackendConnected;import eu.siacs.conversations.ui.interfaces.OnConversationArchived;import eu.siacs.conversations.ui.interfaces.OnConversationRead;import eu.siacs.conversations.ui.interfaces.OnConversationSelected;import eu.siacs.conversations.ui.interfaces.OnConversationsListItemUpdated;import eu.siacs.conversations.ui.service.EmojiService;import eu.siacs.conversations.ui.util.ActivityResult;import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;import eu.siacs.conversations.ui.util.PendingItem;import eu.siacs.conversations.utils.EmojiWrapper;import eu.siacs.conversations.utils.ExceptionHelper;import eu.siacs.conversations.utils.XmppUri;import eu.siacs.conversations.xmpp.OnUpdateBlocklist;import rocks.xmpp.addr.Jid;import static eu.siacs.conversations.ui.ConversationFragment.REQUEST_DECRYPT_PGP;public class ConversationsActivity extends XmppActivity implements OnConversationSelected, OnConversationArchived, OnConversationsListItemUpdated, OnConversationRead, XmppConnectionService.OnAccountUpdate, XmppConnectionService.OnConversationUpdate, XmppConnectionService.OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast, XmppConnectionService.OnAffiliationChanged, XmppConnectionService.OnRoleChanged {    public static final String ACTION_VIEW_CONVERSATION = "eu.siacs.conversations.action.VIEW";    public static final String EXTRA_CONVERSATION = "conversationUuid";    public static final String EXTRA_DOWNLOAD_UUID = "eu.siacs.conversations.download_uuid";    public static final String EXTRA_AS_QUOTE = "as_quote";    public static final String EXTRA_NICK = "nick";    public static final String EXTRA_IS_PRIVATE_MESSAGE = "pm";    // BUG: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor    //     // FIXED:     public static final String EXTRA_DO_NOT_APPEND = "do_not_append";    private static List<String> VIEW_AND_SHARE_ACTIONS = Arrays.asList(            ACTION_VIEW_CONVERSATION,            Intent.ACTION_SEND,            Intent.ACTION_SEND_MULTIPLE    );    public static final int REQUEST_OPEN_MESSAGE = 0x9876;    public static final int REQUEST_PLAY_PAUSE = 0x5432;    //secondary fragment (when holding the conversation, must be initialized before refreshing the overview fragment    private static final @IdRes    int[] FRAGMENT_ID_NOTIFICATION_ORDER = {R.id.secondary_fragment, R.id.main_fragment};    private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();    private ActivityConversationsBinding binding;    private boolean mActivityPaused = true;    private AtomicBoolean mRedirectInProcess = new AtomicBoolean(false);    private static boolean isViewOrShareIntent(Intent i) {        Log.d(Config.LOGTAG, "action: " + (i == null ? null : i.getAction()));        return i != null && VIEW_AND_SHARE_ACTIONS.contains(i.getAction()) && i.hasExtra(EXTRA_CONVERSATION);    }    private static Intent createLauncherIntent(Context context) {        final Intent intent = new Intent(context, ConversationsActivity.class);        intent.setAction(Intent.ACTION_MAIN);        intent.addCategory(Intent.CATEGORY_LAUNCHER);        return intent;    }    @Override    protected void refreshUiReal() {        for (@IdRes int id : FRAGMENT_ID_NOTIFICATION_ORDER) {            refreshFragment(id);        }    }    @Override    void onBackendConnected() {        if (performRedirectIfNecessary(true)) {            return;        }        xmppConnectionService.getNotificationService().setIsInForeground(true);        Intent intent = pendingViewIntent.pop();        if (intent != null) {            if (processViewIntent(intent)) {                if (binding.secondaryFragment != null) {                    notifyFragmentOfBackendConnected(R.id.main_fragment);                }                invalidateActionBarTitle();                return;            }        }        for (@IdRes int id : FRAGMENT_ID_NOTIFICATION_ORDER) {            notifyFragmentOfBackendConnected(id);        }        ActivityResult activityResult = postponedActivityResult.pop();        if (activityResult != null) {            handleActivityResult(activityResult);        }        invalidateActionBarTitle();        if (binding.secondaryFragment != null && ConversationFragment.getConversation(this) == null) {            Conversation conversation = ConversationsOverviewFragment.getSuggestion(this);            if (conversation != null) {                openConversation(conversation, null);            }        }        showDialogsIfMainIsOverview();    }    private boolean performRedirectIfNecessary(boolean noAnimation) {        return performRedirectIfNecessary(null, noAnimation);    }    private boolean performRedirectIfNecessary(final Conversation ignore, final boolean noAnimation) {        if (xmppConnectionService == null) {            return false;        }        boolean isConversationsListEmpty = xmppConnectionService.isConversationsListEmpty(ignore);        if (isConversationsListEmpty && mRedirectInProcess.compareAndSet(false, true)) {            final Intent intent = getRedirectionIntent(noAnimation);            runOnUiThread(() -> {                startActivity(intent);                if (noAnimation) {                    overridePendingTransition(0, 0);                }            });        }        return mRedirectInProcess.get();    }    private Intent getRedirectionIntent(boolean noAnimation) {        Account pendingAccount = xmppConnectionService.getPendingAccount();        Intent intent;        if (pendingAccount != null) {            intent = new Intent(this, EditAccountActivity.class);            intent.putExtra("jid", pendingAccount.getJid().asBareJid().toString());        } else {            if (xmppConnectionService.getAccounts().size() == 0) {                if (Config.X509_VERIFICATION) {                    intent = new Intent(this, ManageAccountActivity.class);                } else if (Config.MAGIC_CREATE_DOMAIN != null) {                    intent = new Intent(this, WelcomeActivity.class);                    WelcomeActivity.addInviteUri(intent, getIntent());                } else {                    intent = new Intent(this, EditAccountActivity.class);                }            } else {                intent = new Intent(this, StartConversationActivity.class);            }        }        intent.putExtra("init", true);        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);        if (noAnimation) {            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);        }        return intent;    }    private void showDialogsIfMainIsOverview() {        if (xmppConnectionService == null) {            return;        }        final Fragment fragment = getFragmentManager().findFragmentById(R.id.main_fragment);        if (fragment != null && fragment instanceof ConversationsOverviewFragment) {            if (ExceptionHelper.checkForCrash(this)) {                return;            }            openBatteryOptimizationDialogIfNeeded();        }    }    private String getBatteryOptimizationPreferenceKey() {        @SuppressLint("HardwareIds") String device = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);        return "show_battery_optimization" + (device == null ? "" : device);    }    private void setNeverAskForBatteryOptimizationsAgain() {        getPreferences().edit().putBoolean(getBatteryOptimizationPreferenceKey(), false).apply();    }    private void openBatteryOptimizationDialogIfNeeded() {        if (hasAccountWithoutPush()                && isOptimizingBattery()                && getPreferences().getBoolean(getBatteryOptimizationPreferenceKey(), true)) {            AlertDialog.Builder builder = new AlertDialog.Builder(this);            builder.setTitle(R.string.battery_optimizations_enabled);            builder.setMessage(R.string.battery_optimizations_enabled_dialog);            builder.setPositiveButton(R.string.next, (dialog, which) -> {                Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);                Uri uri = Uri.parse("package:" + getPackageName());                intent.setData(uri);                try {                    startActivityForResult(intent, REQUEST_BATTERY_OP);                } catch (ActivityNotFoundException e) {                    Toast.makeText(this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();                }            });            builder.setOnDismissListener(dialog -> setNeverAskForBatteryOptimizationsAgain());            final AlertDialog dialog = builder.create();            dialog.setCanceledOnTouchOutside(false);            dialog.show();        }    }    private boolean hasAccountWithoutPush() {        for (Account account : xmppConnectionService.getAccounts()) {            if (account.getStatus() == Account.State.ONLINE && !xmppConnectionService.getPushManagementService().available(account)) {                return true;            }        }        return false;    }    private void notifyFragmentOfBackendConnected(@IdRes int id) {        final Fragment fragment = getFragmentManager().findFragmentById(id);        if (fragment != null && fragment instanceof OnBackendConnected) {            ((OnBackendConnected) fragment).onBackendConnected();        }    }    private void refreshFragment(@IdRes int id) {        final Fragment fragment = getFragmentManager().findFragmentById(id);        if (fragment != null && fragment instanceof XmppFragment) {            ((XmppFragment) fragment).refresh();        }    }    private boolean processViewIntent(Intent intent) {        String uuid = intent.getStringExtra(EXTRA_CONVERSATION);        Conversation conversation = uuid != null ? xmppConnectionService.findConversationByUuid(uuid) : null;        if (conversation == null) {            Log.d(Config.LOGTAG, "unable to view conversation with uuid:" + uuid);            return false;        }        openConversation(conversation, intent.getExtras());        return true;    }    @Override    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {        UriHandlerActivity.onRequestPermissionResult(this, requestCode, grantResults);        if (grantResults.length > 0) {            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {                switch (requestCode) {                    case REQUEST_OPEN_MESSAGE:                        refreshUiReal();                        ConversationFragment.openPendingMessage(this);                        break;                    case REQUEST_PLAY_PAUSE:                        ConversationFragment.startStopPending(this);                        break;                }            }        }    }    @Override    public void onActivityResult(int requestCode, int resultCode, final Intent data) {        super.onActivityResult(requestCode, resultCode, data);        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);        if (xmppConnectionService != null) {            handleActivityResult(activityResult);        } else {            this.postponedActivityResult.push(activityResult);        }    }    private void handleActivityResult(ActivityResult activityResult) {        if (activityResult.resultCode == Activity.RESULT_OK) {            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);        } else {            handleNegativeActivityResult(activityResult.requestCode);        }    }    private void handleNegativeActivityResult(int requestCode) {        Conversation conversation = ConversationFragment.getConversationReliable(this);        switch (requestCode) {            case REQUEST_DECRYPT_PGP:                if (conversation == null) {                    break;                }                conversation.getAccount().getPgpDecryptionService().giveUpCurrentDecryption();                break;            case REQUEST_BATTERY_OP:                setNeverAskForBatteryOptimizationsAgain();                break;        }    }    private void handlePositiveActivityResult(int requestCode, final Intent data) {        Conversation conversation = ConversationFragment.getConversationReliable(this);        if (conversation == null) {            Log.d(Config.LOGTAG, "conversation not found");            return;        }        switch (requestCode) {            case REQUEST_DECRYPT_PGP:                conversation.getAccount().getPgpDecryptionService().continueDecryption(data);                break;            case REQUEST_CHOOSE_PGP_ID:                long id = data.getLongExtra(OpenPgpApi.EXTRA_SIGN_KEY_ID, 0);                if (id != 0) {                    conversation.getAccount().setPgpSignId(id);                    announcePgp(conversation.getAccount(), null, null, onOpenPGPKeyPublished);                } else {                    choosePgpSignId(conversation.getAccount());                }                break;            case REQUEST_ANNOUNCE_PGP:                announcePgp(conversation.getAccount(), conversation, data, onOpenPGPKeyPublished);                break;        }    }    @Override    protected void onCreate(final Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        ConversationMenuConfigurator.reloadFeatures(this);        OmemoSetting.load(this);        new EmojiService(this).init();        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_conversations);        setSupportActionBar((Toolbar) binding.toolbar);        configureActionBar(getSupportActionBar());        this.getFragmentManager().addOnBackStackChangedListener(this::invalidateActionBarTitle);        this.getFragmentManager().addOnBackStackChangedListener(this::showDialogsIfMainIsOverview);        this.initializeFragments();        this.invalidateActionBarTitle();        final Intent intent;        if (savedInstanceState == null) {            intent = getIntent();        } else {            intent = savedInstanceState.getParcelable("intent");        }        if (isViewOrShareIntent(intent)) {            pendingViewIntent.push(intent);            setIntent(createLauncherIntent(this));        }    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        getMenuInflater().inflate(R.menu.activity_conversations, menu);        MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);        if (qrCodeScanMenuItem != null) {            if (isCameraFeatureAvailable()) {                Fragment fragment = getFragmentManager().findFragmentById(R.id.main_fragment);                boolean visible = getResources().getBoolean(R.bool.show_qr_code_scan)                        && fragment != null                        && fragment instanceof ConversationsOverviewFragment;                qrCodeScanMenuItem.setVisible(visible);            } else {                qrCodeScanMenuItem.setVisible(false);            }        }        return super.onCreateOptionsMenu(menu);    }    @Override    public void onConversationSelected(Conversation conversation) {        clearPendingViewIntent();        if (ConversationFragment.getConversation(this) == conversation) {            Log.d(Config.LOGTAG, "ignore onConversationSelected() because conversation is already open");            return;        }        openConversation(conversation, null);    }    public void clearPendingViewIntent() {        if (pendingViewIntent.clear()) {            Log.e(Config.LOGTAG, "cleared pending view intent");        }    }    private void displayToast(final String msg) {        runOnUiThread(() -> Toast.makeText(ConversationsActivity.this, msg, Toast.LENGTH_SHORT).show());    }    @Override    public void onAffiliationChangedSuccessful(Jid jid) {    }    @Override    public void onAffiliationChangeFailed(Jid jid, int resId) {        displayToast(getString(resId, jid.asBareJid().toString()));    }    @Override    public void onRoleChangedSuccessful(String nick) {    }    @Override    public void onRoleChangeFailed(String nick, int resId) {        displayToast(getString(resId, nick));    }    private void openConversation(Conversation conversation, Bundle extras) {        ConversationFragment conversationFragment = (ConversationFragment) getFragmentManager().findFragmentById(R.id.secondary_fragment);        final boolean mainNeedsRefresh;        if (conversationFragment == null) {            mainNeedsRefresh = false;            Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);            if (mainFragment != null && mainFragment instanceof ConversationFragment) {                conversationFragment = (ConversationFragment) mainFragment;            } else {                conversationFragment = new ConversationFragment();                FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();                fragmentTransaction.replace(R.id.main_fragment, conversationFragment);                fragmentTransaction.addToBackStack(null);                try {                    fragmentTransaction.commit();                } catch (IllegalStateException e) {                    Log.w(Config.LOGTAG, "sate loss while opening conversation", e);                    //allowing state loss is probably fine since view intents et all are already stored and a click can probably be 'ignored'                    return;                }            }        } else {            mainNeedsRefresh = true;        }        conversationFragment.reInit(conversation, extras == null ? new Bundle() : extras);        if (mainNeedsRefresh) {            refreshFragment(R.id.main_fragment);        } else {            invalidateActionBarTitle();        }    }    public boolean onXmppUriClicked(Uri uri) {        XmppUri xmppUri = new XmppUri(uri);        if (xmppUri.isJidValid() && !xmppUri.hasFingerprints()) {            final Conversation conversation = xmppConnectionService.findUniqueConversationByJid(xmppUri);            if (conversation != null) {                openConversation(conversation, null);                return true;            }        }        return false;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        if (MenuDoubleTabUtil.shouldIgnoreTap()) {            return false;        }        switch (item.getItemId()) {            case android.R.id.home:                FragmentManager fm = getFragmentManager();                if (fm.getBackStackEntryCount() > 0) {                    try {                        fm.popBackStack();                    } catch (IllegalStateException e) {                        Log.w(Config.LOGTAG, "Unable to pop back stack after pressing home button");                    }                    return true;                }                break;            case R.id.action_scan_qr_code:                UriHandlerActivity.scan(this);                return true;        }        return super.onOptionsItemSelected(item);    }    @Override    public void onSaveInstanceState(Bundle savedInstanceState) {        Intent pendingIntent = pendingViewIntent.peek();        savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());        super.onSaveInstanceState(savedInstanceState);    }    @Override    protected void onStart() {        final int theme = findTheme();        if (this.mTheme != theme) {            this.mSkipBackgroundBinding = true;            recreate();        } else {            this.mSkipBackgroundBinding = false;        }        mRedirectInProcess.set(false);        super.onStart();    }    @Override    protected void onNewIntent(final Intent intent) {        if (isViewOrShareIntent(intent)) {            if (xmppConnectionService != null) {                processViewIntent(intent);            } else {                pendingViewIntent.push(intent);            }        }        setIntent(createLauncherIntent(this));    }    @Override    public void onPause() {        this.mActivityPaused = true;        super.onPause();    }    @Override    public void onResume() {        super.onResume();        this.mActivityPaused = false;    }    private void initializeFragments() {        FragmentTransaction transaction = getFragmentManager().beginTransaction();        Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);        Fragment secondaryFragment = getFragmentManager().findFragmentById(R.id.secondary_fragment);        if (mainFragment != null) {            if (binding.secondaryFragment != null) {                if (mainFragment instanceof ConversationFragment) {                    getFragmentManager().popBackStack();                    transaction.remove(mainFragment);                    transaction.commit();                    getFragmentManager().executePendingTransactions();                    transaction = getFragmentManager().beginTransaction();                    transaction.replace(R.id.secondary_fragment, mainFragment);                    transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());                    transaction.commit();                    return;                }            } else {                if (secondaryFragment != null && secondaryFragment instanceof ConversationFragment) {                    transaction.remove(secondaryFragment);                    transaction.commit();                    getFragmentManager().executePendingTransactions();                    transaction = getFragmentManager().beginTransaction();                    transaction.replace(R.id.main_fragment, secondaryFragment);                    transaction.addToBackStack(null);                    transaction.commit();                    return;                }            }        } else {            transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());        }        if (binding.secondaryFragment != null && secondaryFragment == null) {            transaction.replace(R.id.secondary_fragment, new ConversationFragment());        }        transaction.commit();    }    private void invalidateActionBarTitle() {        final ActionBar actionBar = getSupportActionBar();        if (actionBar != null) {            Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);            if (mainFragment != null && mainFragment instanceof ConversationFragment) {                final Conversation conversation = ((ConversationFragment) mainFragment).getConversation();                if (conversation != null) {                    actionBar.setTitle(EmojiWrapper.transform(conversation.getName()));                    actionBar.setDisplayHomeAsUpEnabled(true);                    return;                }            }            actionBar.setTitle(R.string.app_name);            actionBar.setDisplayHomeAsUpEnabled(false);        }    }    @Override    public void onConversationArchived(Conversation conversation) {        if (performRedirectIfNecessary(conversation, false)) {            return;        }        Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);        if (mainFragment != null && mainFragment instanceof ConversationFragment) {            try {                getFragmentManager().popBackStack();            } catch (IllegalStateException e) {                Log.w(Config.LOGTAG, "state loss while popping back state after archiving conversation", e);                //this usually means activity is no longer active; meaning on the next open we will run through this again            }            return;        }        Fragment secondaryFragment = getFragmentManager().findFragmentById(R.id.secondary_fragment);        if (secondaryFragment != null && secondaryFragment instanceof ConversationFragment) {            if (((ConversationFragment) secondaryFragment).getConversation() == conversation) {                Conversation suggestion = ConversationsOverviewFragment.getSuggestion(this, conversation);                if (suggestion != null) {                    openConversation(suggestion, null);                }            }        }    }    @Override    public void onConversationsListItemUpdated() {        Fragment fragment = getFragmentManager().findFragmentById(R.id.main_fragment);        if (fragment != null && fragment instanceof ConversationsOverviewFragment) {            ((ConversationsOverviewFragment) fragment).refresh();        }    }    @Override    public void switchToConversation(Conversation conversation) {        Log.d(Config.LOGTAG, "override");        openConversation(conversation, null);    }    @Override    public void onConversationRead(Conversation conversation, String upToUuid) {        if (!mActivityPaused && pendingViewIntent.peek() == null) {            xmppConnectionService.sendReadMarker(conversation, upToUuid);        } else {            Log.d(Config.LOGTAG, "ignoring read callback. mActivityPaused=" + Boolean.toString(mActivityPaused));        }    }    @Override    public void onAccountUpdate() {        this.refreshUi();    }    @Override    public void onConversationUpdate() {        if (performRedirectIfNecessary(false)) {            return;        }        this.refreshUi();    }    @Override    public void onRosterUpdate() {        this.refreshUi();    }    @Override    public void OnUpdateBlocklist(OnUpdateBlocklist.Status status) {        this.refreshUi();    }    @Override    public void onShowErrorToast(int resId) {        runOnUiThread(() -> Toast.makeText(this, resId, Toast.LENGTH_SHORT).show());    }}