1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Dialog;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.pm.PackageManager;
  12import android.databinding.DataBindingUtil;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.support.annotation.DrawableRes;
  17import android.support.annotation.NonNull;
  18import android.support.annotation.Nullable;
  19import android.support.v4.app.Fragment;
  20import android.support.v4.app.FragmentManager;
  21import android.support.v4.app.FragmentTransaction;
  22import android.support.v4.app.ListFragment;
  23import android.support.v4.view.PagerAdapter;
  24import android.support.v4.view.ViewPager;
  25import android.support.v7.app.ActionBar;
  26import android.support.v7.app.AlertDialog;
  27import android.support.v7.widget.Toolbar;
  28import android.text.Editable;
  29import android.text.TextWatcher;
  30import android.util.Log;
  31import android.util.Pair;
  32import android.view.ContextMenu;
  33import android.view.ContextMenu.ContextMenuInfo;
  34import android.view.KeyEvent;
  35import android.view.Menu;
  36import android.view.MenuItem;
  37import android.view.View;
  38import android.view.ViewGroup;
  39import android.view.inputmethod.InputMethodManager;
  40import android.widget.AdapterView;
  41import android.widget.AdapterView.AdapterContextMenuInfo;
  42import android.widget.ArrayAdapter;
  43import android.widget.AutoCompleteTextView;
  44import android.widget.CheckBox;
  45import android.widget.EditText;
  46import android.widget.ListView;
  47import android.widget.Spinner;
  48import android.widget.TextView;
  49import android.widget.Toast;
  50
  51import java.util.ArrayList;
  52import java.util.Collections;
  53import java.util.List;
  54import java.util.concurrent.atomic.AtomicBoolean;
  55
  56import eu.siacs.conversations.Config;
  57import eu.siacs.conversations.R;
  58import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  59import eu.siacs.conversations.entities.Account;
  60import eu.siacs.conversations.entities.Bookmark;
  61import eu.siacs.conversations.entities.Contact;
  62import eu.siacs.conversations.entities.Conversation;
  63import eu.siacs.conversations.entities.ListItem;
  64import eu.siacs.conversations.entities.Presence;
  65import eu.siacs.conversations.services.QuickConversationsService;
  66import eu.siacs.conversations.services.XmppConnectionService;
  67import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  68import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  69import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  70import eu.siacs.conversations.ui.service.EmojiService;
  71import eu.siacs.conversations.ui.util.JidDialog;
  72import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  73import eu.siacs.conversations.ui.util.PendingItem;
  74import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  75import eu.siacs.conversations.utils.AccountUtils;
  76import eu.siacs.conversations.utils.XmppUri;
  77import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  78import eu.siacs.conversations.xmpp.XmppConnection;
  79import rocks.xmpp.addr.Jid;
  80
  81public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  82
  83	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  84
  85	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  86	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  87	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  88	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  89	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  90	public int conference_context_id;
  91	public int contact_context_id;
  92	private ListPagerAdapter mListPagerAdapter;
  93	private List<ListItem> contacts = new ArrayList<>();
  94	private ListItemAdapter mContactsAdapter;
  95	private List<ListItem> conferences = new ArrayList<>();
  96	private ListItemAdapter mConferenceAdapter;
  97	private List<String> mActivatedAccounts = new ArrayList<>();
  98	private EditText mSearchEditText;
  99	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 100	private boolean mHideOfflineContacts = false;
 101	private boolean createdByViewIntent = false;
 102	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 103
 104		@Override
 105		public boolean onMenuItemActionExpand(MenuItem item) {
 106			mSearchEditText.post(() -> {
 107				updateSearchViewHint();
 108				mSearchEditText.requestFocus();
 109				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 110					return;
 111				}
 112				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 113				if (imm != null) {
 114					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 115				}
 116			});
 117
 118			return true;
 119		}
 120
 121		@Override
 122		public boolean onMenuItemActionCollapse(MenuItem item) {
 123			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 124			mSearchEditText.setText("");
 125			filter(null);
 126			return true;
 127		}
 128	};
 129	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 130
 131		@Override
 132		public void afterTextChanged(Editable editable) {
 133			filter(editable.toString());
 134		}
 135
 136		@Override
 137		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 138		}
 139
 140		@Override
 141		public void onTextChanged(CharSequence s, int start, int before, int count) {
 142		}
 143	};
 144	private MenuItem mMenuSearchView;
 145	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 146		@Override
 147		public void onTagClicked(String tag) {
 148			if (mMenuSearchView != null) {
 149				mMenuSearchView.expandActionView();
 150				mSearchEditText.setText("");
 151				mSearchEditText.append(tag);
 152				filter(tag);
 153			}
 154		}
 155	};
 156	private Pair<Integer, Intent> mPostponedActivityResult;
 157	private Toast mToast;
 158	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 159		@Override
 160		public void success(final Conversation conversation) {
 161			runOnUiThread(() -> {
 162				hideToast();
 163				switchToConversation(conversation);
 164			});
 165		}
 166
 167		@Override
 168		public void error(final int errorCode, Conversation object) {
 169			runOnUiThread(() -> replaceToast(getString(errorCode)));
 170		}
 171
 172		@Override
 173		public void userInputRequried(PendingIntent pi, Conversation object) {
 174
 175		}
 176	};
 177	private ActivityStartConversationBinding binding;
 178	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 179		@Override
 180		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 181			int pos = binding.startConversationViewPager.getCurrentItem();
 182			if (pos == 0) {
 183				if (contacts.size() == 1) {
 184					openConversationForContact((Contact) contacts.get(0));
 185					return true;
 186				} else if (contacts.size() == 0 && conferences.size() == 1) {
 187					openConversationsForBookmark((Bookmark) conferences.get(0));
 188					return true;
 189				}
 190			} else {
 191				if (conferences.size() == 1) {
 192					openConversationsForBookmark((Bookmark) conferences.get(0));
 193					return true;
 194				} else if (conferences.size() == 0 && contacts.size() == 1) {
 195					openConversationForContact((Contact) contacts.get(0));
 196					return true;
 197				}
 198			}
 199			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 200			mListPagerAdapter.requestFocus(pos);
 201			return true;
 202		}
 203	};
 204	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 205		@Override
 206		public void onPageSelected(int position) {
 207			onTabChanged();
 208		}
 209	};
 210
 211	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 212		if (accounts.size() > 0) {
 213			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 214			adapter.setDropDownViewResource(R.layout.simple_list_item);
 215			spinner.setAdapter(adapter);
 216			spinner.setEnabled(true);
 217		} else {
 218			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 219					R.layout.simple_list_item,
 220					Collections.singletonList(context.getString(R.string.no_accounts)));
 221			adapter.setDropDownViewResource(R.layout.simple_list_item);
 222			spinner.setAdapter(adapter);
 223			spinner.setEnabled(false);
 224		}
 225	}
 226
 227	public static void launch(Context context) {
 228		final Intent intent = new Intent(context, StartConversationActivity.class);
 229		context.startActivity(intent);
 230	}
 231
 232	private static Intent createLauncherIntent(Context context) {
 233		final Intent intent = new Intent(context, StartConversationActivity.class);
 234		intent.setAction(Intent.ACTION_MAIN);
 235		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 236		return intent;
 237	}
 238
 239	private static boolean isViewIntent(final Intent i) {
 240		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 241	}
 242
 243	protected void hideToast() {
 244		if (mToast != null) {
 245			mToast.cancel();
 246		}
 247	}
 248
 249	protected void replaceToast(String msg) {
 250		hideToast();
 251		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 252		mToast.show();
 253	}
 254
 255	@Override
 256	public void onRosterUpdate() {
 257		this.refreshUi();
 258	}
 259
 260	@Override
 261	public void onCreate(Bundle savedInstanceState) {
 262		super.onCreate(savedInstanceState);
 263		new EmojiService(this).init();
 264		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 265		Toolbar toolbar = (Toolbar) binding.toolbar;
 266		setSupportActionBar(toolbar);
 267		configureActionBar(getSupportActionBar());
 268		this.binding.fab.setOnClickListener((v) -> {
 269			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 270				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 271				if (searchString != null && !searchString.trim().isEmpty()) {
 272					try {
 273						Jid jid = Jid.of(searchString);
 274						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 275							showCreateContactDialog(jid.toString(), null);
 276							return;
 277						}
 278					} catch (IllegalArgumentException ignored) {
 279						//ignore and fall through
 280					}
 281				}
 282				showCreateContactDialog(null, null);
 283			} else {
 284				showCreateConferenceDialog();
 285			}
 286		});
 287		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 288		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 289		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 290		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 291
 292		mConferenceAdapter = new ListItemAdapter(this, conferences);
 293		mContactsAdapter = new ListItemAdapter(this, contacts);
 294		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 295
 296		final SharedPreferences preferences = getPreferences();
 297
 298		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 299
 300		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 301
 302		final Intent intent;
 303		if (savedInstanceState == null) {
 304			intent = getIntent();
 305		} else {
 306			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 307			final String search = savedInstanceState.getString("search");
 308			if (search != null) {
 309				mInitialSearchValue.push(search);
 310			}
 311			intent = savedInstanceState.getParcelable("intent");
 312		}
 313
 314		if (isViewIntent(intent)) {
 315			pendingViewIntent.push(intent);
 316			createdByViewIntent = true;
 317			setIntent(createLauncherIntent(this));
 318		} else if (startSearching && mInitialSearchValue.peek() == null) {
 319			mInitialSearchValue.push("");
 320		}
 321	}
 322
 323	@Override
 324	public void onSaveInstanceState(Bundle savedInstanceState) {
 325		Intent pendingIntent = pendingViewIntent.peek();
 326		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 327		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 328		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 329			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 330		}
 331		super.onSaveInstanceState(savedInstanceState);
 332	}
 333
 334	@Override
 335	public void onStart() {
 336		super.onStart();
 337		final int theme = findTheme();
 338		if (this.mTheme != theme) {
 339			recreate();
 340		} else {
 341			if (pendingViewIntent.peek() == null) {
 342				askForContactsPermissions();
 343			}
 344		}
 345		mConferenceAdapter.refreshSettings();
 346		mContactsAdapter.refreshSettings();
 347	}
 348
 349	@Override
 350	public void onNewIntent(final Intent intent) {
 351		if (xmppConnectionServiceBound) {
 352			processViewIntent(intent);
 353		} else {
 354			pendingViewIntent.push(intent);
 355		}
 356		setIntent(createLauncherIntent(this));
 357	}
 358
 359	protected void openConversationForContact(int position) {
 360		Contact contact = (Contact) contacts.get(position);
 361		openConversationForContact(contact);
 362	}
 363
 364	protected void openConversationForContact(Contact contact) {
 365		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 366		SoftKeyboardUtils.hideSoftKeyboard(this);
 367		switchToConversation(conversation);
 368	}
 369
 370	protected void openConversationForBookmark() {
 371		openConversationForBookmark(conference_context_id);
 372	}
 373
 374	protected void openConversationForBookmark(int position) {
 375		Bookmark bookmark = (Bookmark) conferences.get(position);
 376		openConversationsForBookmark(bookmark);
 377	}
 378
 379	protected void shareBookmarkUri() {
 380		shareBookmarkUri(conference_context_id);
 381	}
 382
 383	protected void shareBookmarkUri(int position) {
 384		Bookmark bookmark = (Bookmark) conferences.get(position);
 385		Intent shareIntent = new Intent();
 386		shareIntent.setAction(Intent.ACTION_SEND);
 387		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 388		shareIntent.setType("text/plain");
 389		try {
 390			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 391		} catch (ActivityNotFoundException e) {
 392			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 393		}
 394	}
 395
 396	protected void openConversationsForBookmark(Bookmark bookmark) {
 397		Jid jid = bookmark.getJid();
 398		if (jid == null) {
 399			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 400			return;
 401		}
 402		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 403		bookmark.setConversation(conversation);
 404		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 405			bookmark.setAutojoin(true);
 406			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 407		}
 408		SoftKeyboardUtils.hideSoftKeyboard(this);
 409		switchToConversation(conversation);
 410	}
 411
 412	protected void openDetailsForContact() {
 413		int position = contact_context_id;
 414		Contact contact = (Contact) contacts.get(position);
 415		switchToContactDetails(contact);
 416	}
 417
 418	protected void showQrForContact() {
 419		int position = contact_context_id;
 420		Contact contact = (Contact) contacts.get(position);
 421		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 422	}
 423
 424	protected void toggleContactBlock() {
 425		final int position = contact_context_id;
 426		BlockContactDialog.show(this, (Contact) contacts.get(position));
 427	}
 428
 429	protected void deleteContact() {
 430		final int position = contact_context_id;
 431		final Contact contact = (Contact) contacts.get(position);
 432		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 433		builder.setNegativeButton(R.string.cancel, null);
 434		builder.setTitle(R.string.action_delete_contact);
 435		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 436		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 437			xmppConnectionService.deleteContactOnServer(contact);
 438			filter(mSearchEditText.getText().toString());
 439		});
 440		builder.create().show();
 441	}
 442
 443	protected void deleteConference() {
 444		int position = conference_context_id;
 445		final Bookmark bookmark = (Bookmark) conferences.get(position);
 446
 447		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 448		builder.setNegativeButton(R.string.cancel, null);
 449		builder.setTitle(R.string.delete_bookmark);
 450		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 451		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 452			bookmark.setConversation(null);
 453			Account account = bookmark.getAccount();
 454			account.getBookmarks().remove(bookmark);
 455			xmppConnectionService.pushBookmarks(account);
 456			filter(mSearchEditText.getText().toString());
 457		});
 458		builder.create().show();
 459
 460	}
 461
 462	@SuppressLint("InflateParams")
 463	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 464		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 465		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 466		if (prev != null) {
 467			ft.remove(prev);
 468		}
 469		ft.addToBackStack(null);
 470		EnterJidDialog dialog = EnterJidDialog.newInstance(
 471				mActivatedAccounts,
 472				getString(R.string.dialog_title_create_contact),
 473				getString(R.string.create),
 474				prefilledJid,
 475				null,
 476				invite == null || !invite.hasFingerprints()
 477		);
 478
 479		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 480			if (!xmppConnectionServiceBound) {
 481				return false;
 482			}
 483
 484			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 485			if (account == null) {
 486				return true;
 487			}
 488
 489			final Contact contact = account.getRoster().getContact(contactJid);
 490			if (invite != null && invite.getName() != null) {
 491				contact.setServerName(invite.getName());
 492			}
 493			if (contact.isSelf()) {
 494				switchToConversation(contact);
 495				return true;
 496			} else if (contact.showInRoster()) {
 497				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 498			} else {
 499				xmppConnectionService.createContact(contact, true);
 500				if (invite != null && invite.hasFingerprints()) {
 501					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 502				}
 503				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 504				return true;
 505			}
 506		});
 507		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 508	}
 509
 510	@SuppressLint("InflateParams")
 511	protected void showJoinConferenceDialog(final String prefilledJid) {
 512		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 513		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 514		if (prev != null) {
 515			ft.remove(prev);
 516		}
 517		ft.addToBackStack(null);
 518		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 519		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 520	}
 521
 522	private void showCreateConferenceDialog() {
 523		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 524		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 525		if (prev != null) {
 526			ft.remove(prev);
 527		}
 528		ft.addToBackStack(null);
 529		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 530		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 531	}
 532
 533	private Account getSelectedAccount(Spinner spinner) {
 534		if (!spinner.isEnabled()) {
 535			return null;
 536		}
 537		Jid jid;
 538		try {
 539			if (Config.DOMAIN_LOCK != null) {
 540				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 541			} else {
 542				jid = Jid.of((String) spinner.getSelectedItem());
 543			}
 544		} catch (final IllegalArgumentException e) {
 545			return null;
 546		}
 547		return xmppConnectionService.findAccountByJid(jid);
 548	}
 549
 550	protected void switchToConversation(Contact contact) {
 551		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 552		switchToConversation(conversation);
 553	}
 554
 555	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 556		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 557		switchToConversationDoNotAppend(conversation, body);
 558	}
 559
 560	@Override
 561	public void invalidateOptionsMenu() {
 562		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 563		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 564		if (isExpanded) {
 565			mInitialSearchValue.push(text);
 566			oneShotKeyboardSuppress.set(true);
 567		}
 568		super.invalidateOptionsMenu();
 569	}
 570
 571	private void updateSearchViewHint() {
 572		if (binding == null || mSearchEditText == null) {
 573			return;
 574		}
 575		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 576			mSearchEditText.setHint(R.string.search_contacts);
 577		} else {
 578			mSearchEditText.setHint(R.string.search_groups);
 579		}
 580	}
 581
 582	@Override
 583	public boolean onCreateOptionsMenu(Menu menu) {
 584		getMenuInflater().inflate(R.menu.start_conversation, menu);
 585		AccountUtils.showHideMenuItems(menu);
 586		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 587		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 588		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 589		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 590		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 591		if (QuickConversationsService.isQuicksy()) {
 592			menuHideOffline.setVisible(false);
 593		} else {
 594			menuHideOffline.setVisible(true);
 595			menuHideOffline.setChecked(this.mHideOfflineContacts);
 596		}
 597		mMenuSearchView = menu.findItem(R.id.action_search);
 598		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 599		View mSearchView = mMenuSearchView.getActionView();
 600		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 601		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 602		mSearchEditText.setOnEditorActionListener(mSearchDone);
 603		String initialSearchValue = mInitialSearchValue.pop();
 604		if (initialSearchValue != null) {
 605			mMenuSearchView.expandActionView();
 606			mSearchEditText.append(initialSearchValue);
 607			filter(initialSearchValue);
 608		}
 609		updateSearchViewHint();
 610		return super.onCreateOptionsMenu(menu);
 611	}
 612
 613	@Override
 614	public boolean onOptionsItemSelected(MenuItem item) {
 615		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 616			return false;
 617		}
 618		switch (item.getItemId()) {
 619			case android.R.id.home:
 620				navigateBack();
 621				return true;
 622			case R.id.action_join_conference:
 623				showJoinConferenceDialog(null);
 624				return true;
 625			case R.id.action_scan_qr_code:
 626				UriHandlerActivity.scan(this);
 627				return true;
 628			case R.id.action_hide_offline:
 629				mHideOfflineContacts = !item.isChecked();
 630				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 631				if (mSearchEditText != null) {
 632					filter(mSearchEditText.getText().toString());
 633				}
 634				invalidateOptionsMenu();
 635		}
 636		return super.onOptionsItemSelected(item);
 637	}
 638
 639	@Override
 640	public boolean onKeyUp(int keyCode, KeyEvent event) {
 641		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 642			openSearch();
 643			return true;
 644		}
 645		int c = event.getUnicodeChar();
 646		if (c > 32) {
 647			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 648				openSearch();
 649				mSearchEditText.append(Character.toString((char) c));
 650				return true;
 651			}
 652		}
 653		return super.onKeyUp(keyCode, event);
 654	}
 655
 656	private void openSearch() {
 657		if (mMenuSearchView != null) {
 658			mMenuSearchView.expandActionView();
 659		}
 660	}
 661
 662	@Override
 663	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 664		if (resultCode == RESULT_OK) {
 665			if (xmppConnectionServiceBound) {
 666				this.mPostponedActivityResult = null;
 667				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 668					Account account = extractAccount(intent);
 669					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 670					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 671					if (account != null && jids.size() > 0) {
 672						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 673							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 674							mToast.show();
 675						}
 676					}
 677				}
 678			} else {
 679				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 680			}
 681		}
 682		super.onActivityResult(requestCode, requestCode, intent);
 683	}
 684
 685	private void askForContactsPermissions() {
 686		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 687			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 688				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 689					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 690						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 691						builder.setTitle(R.string.sync_with_contacts);
 692						builder.setMessage(R.string.sync_with_contacts_long);
 693						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 694						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 695						builder.create().show();
 696					} else {
 697						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 698					}
 699				}
 700			}
 701		}
 702	}
 703
 704	@Override
 705	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 706		if (grantResults.length > 0)
 707			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 708				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 709				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 710					xmppConnectionService.loadPhoneContacts();
 711					xmppConnectionService.startContactObserver();
 712				}
 713			}
 714	}
 715
 716	private void configureHomeButton() {
 717		final ActionBar actionBar = getSupportActionBar();
 718		if (actionBar == null) {
 719			return;
 720		}
 721		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 722		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 723		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 724
 725	}
 726
 727	@Override
 728	protected void onBackendConnected() {
 729		xmppConnectionService.getQuickConversationsService().considerSync();
 730		if (mPostponedActivityResult != null) {
 731			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 732			this.mPostponedActivityResult = null;
 733		}
 734		this.mActivatedAccounts.clear();
 735		for (Account account : xmppConnectionService.getAccounts()) {
 736			if (account.getStatus() != Account.State.DISABLED) {
 737				if (Config.DOMAIN_LOCK != null) {
 738					this.mActivatedAccounts.add(account.getJid().getLocal());
 739				} else {
 740					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 741				}
 742			}
 743		}
 744		configureHomeButton();
 745		Intent intent = pendingViewIntent.pop();
 746		if (intent != null && processViewIntent(intent)) {
 747			filter(null);
 748		} else {
 749			if (mSearchEditText != null) {
 750				filter(mSearchEditText.getText().toString());
 751			} else {
 752				filter(null);
 753			}
 754		}
 755		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 756		if (fragment instanceof OnBackendConnected) {
 757			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 758			((OnBackendConnected) fragment).onBackendConnected();
 759		}
 760	}
 761
 762	protected boolean processViewIntent(@NonNull Intent intent) {
 763		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 764		if (inviteUri != null) {
 765			Invite invite = new Invite(inviteUri);
 766			if (invite.isJidValid()) {
 767				return invite.invite();
 768			}
 769		}
 770		final String action = intent.getAction();
 771		if (action == null) {
 772			return false;
 773		}
 774		switch (action) {
 775			case Intent.ACTION_SENDTO:
 776			case Intent.ACTION_VIEW:
 777				Uri uri = intent.getData();
 778				if (uri != null) {
 779					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 780					invite.account = intent.getStringExtra("account");
 781					return invite.invite();
 782				} else {
 783					return false;
 784				}
 785		}
 786		return false;
 787	}
 788
 789	private boolean handleJid(Invite invite) {
 790		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 791		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 792			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 793			if (muc != null) {
 794				switchToConversationDoNotAppend(muc, invite.getBody());
 795				return true;
 796			} else {
 797				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 798				return false;
 799			}
 800		} else if (contacts.size() == 0) {
 801			showCreateContactDialog(invite.getJid().toString(), invite);
 802			return false;
 803		} else if (contacts.size() == 1) {
 804			Contact contact = contacts.get(0);
 805			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 806				displayVerificationWarningDialog(contact, invite);
 807			} else {
 808				if (invite.hasFingerprints()) {
 809					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 810						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 811					}
 812				}
 813				if (invite.account != null) {
 814					xmppConnectionService.getShortcutService().report(contact);
 815				}
 816				switchToConversationDoNotAppend(contact, invite.getBody());
 817			}
 818			return true;
 819		} else {
 820			if (mMenuSearchView != null) {
 821				mMenuSearchView.expandActionView();
 822				mSearchEditText.setText("");
 823				mSearchEditText.append(invite.getJid().toString());
 824				filter(invite.getJid().toString());
 825			} else {
 826				mInitialSearchValue.push(invite.getJid().toString());
 827			}
 828			return true;
 829		}
 830	}
 831
 832	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 833		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 834		builder.setTitle(R.string.verify_omemo_keys);
 835		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 836		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 837		TextView warning = view.findViewById(R.id.warning);
 838		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 839		builder.setView(view);
 840		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 841			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 842				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 843			}
 844			switchToConversationDoNotAppend(contact, invite.getBody());
 845		});
 846		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 847		AlertDialog dialog = builder.create();
 848		dialog.setCanceledOnTouchOutside(false);
 849		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 850		dialog.show();
 851	}
 852
 853	protected void filter(String needle) {
 854		if (xmppConnectionServiceBound) {
 855			this.filterContacts(needle);
 856			this.filterConferences(needle);
 857		}
 858	}
 859
 860	protected void filterContacts(String needle) {
 861		this.contacts.clear();
 862		final List<Account> accounts = xmppConnectionService.getAccounts();
 863		for (Account account : accounts) {
 864			if (account.getStatus() != Account.State.DISABLED) {
 865				for (Contact contact : account.getRoster().getContacts()) {
 866					Presence.Status s = contact.getShownStatus();
 867					if (contact.showInContactList() && contact.match(this, needle)
 868							&& (!this.mHideOfflineContacts
 869							|| (needle != null && !needle.trim().isEmpty())
 870							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 871						this.contacts.add(contact);
 872					}
 873				}
 874			}
 875		}
 876		Collections.sort(this.contacts);
 877		mContactsAdapter.notifyDataSetChanged();
 878	}
 879
 880	private static boolean isSingleAccountActive(final List<Account> accounts) {
 881		int i = 0;
 882		for(Account account : accounts) {
 883			if (account.getStatus() != Account.State.DISABLED) {
 884				++i;
 885			}
 886		}
 887		return i == 1;
 888	}
 889
 890	protected void filterConferences(String needle) {
 891		this.conferences.clear();
 892		for (Account account : xmppConnectionService.getAccounts()) {
 893			if (account.getStatus() != Account.State.DISABLED) {
 894				for (Bookmark bookmark : account.getBookmarks()) {
 895					if (bookmark.match(this, needle)) {
 896						this.conferences.add(bookmark);
 897					}
 898				}
 899			}
 900		}
 901		Collections.sort(this.conferences);
 902		mConferenceAdapter.notifyDataSetChanged();
 903	}
 904
 905	private void onTabChanged() {
 906		@DrawableRes final int fabDrawable;
 907		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 908			fabDrawable = R.drawable.ic_person_add_white_24dp;
 909		} else {
 910			fabDrawable = R.drawable.ic_group_add_white_24dp;
 911		}
 912		binding.fab.setImageResource(fabDrawable);
 913		invalidateOptionsMenu();
 914	}
 915
 916	@Override
 917	public void OnUpdateBlocklist(final Status status) {
 918		refreshUi();
 919	}
 920
 921	@Override
 922	protected void refreshUiReal() {
 923		if (mSearchEditText != null) {
 924			filter(mSearchEditText.getText().toString());
 925		}
 926		configureHomeButton();
 927	}
 928
 929	@Override
 930	public void onBackPressed() {
 931		navigateBack();
 932	}
 933
 934	private void navigateBack() {
 935		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 936			Intent intent = new Intent(this, ConversationsActivity.class);
 937			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 938			startActivity(intent);
 939		}
 940		finish();
 941	}
 942
 943	@Override
 944	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 945		if (!xmppConnectionServiceBound) {
 946			return;
 947		}
 948		final Account account = getSelectedAccount(spinner);
 949		if (account == null) {
 950			return;
 951		}
 952		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 953		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 954		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 955		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 956		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 957		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 958		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 959	}
 960
 961	@Override
 962	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 963		if (!xmppConnectionServiceBound) {
 964			return;
 965		}
 966		final Account account = getSelectedAccount(spinner);
 967		if (account == null) {
 968			return;
 969		}
 970		final Jid conferenceJid;
 971		try {
 972			conferenceJid = Jid.of(jid.getText().toString());
 973		} catch (final IllegalArgumentException e) {
 974			jid.setError(getString(R.string.invalid_jid));
 975			return;
 976		}
 977
 978		if (isBookmarkChecked) {
 979			if (account.hasBookmarkFor(conferenceJid)) {
 980				jid.setError(getString(R.string.bookmark_already_exists));
 981			} else {
 982				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 983				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 984				String nick = conferenceJid.getResource();
 985				if (nick != null && !nick.isEmpty()) {
 986					bookmark.setNick(nick);
 987				}
 988				account.getBookmarks().add(bookmark);
 989				xmppConnectionService.pushBookmarks(account);
 990				final Conversation conversation = xmppConnectionService
 991						.findOrCreateConversation(account, conferenceJid, true, true, true);
 992				bookmark.setConversation(conversation);
 993				dialog.dismiss();
 994				switchToConversation(conversation);
 995			}
 996		} else {
 997			final Conversation conversation = xmppConnectionService
 998					.findOrCreateConversation(account, conferenceJid, true, true, true);
 999			dialog.dismiss();
1000			switchToConversation(conversation);
1001		}
1002	}
1003
1004	@Override
1005	public void onConversationUpdate() {
1006		refreshUi();
1007	}
1008
1009	public static class MyListFragment extends ListFragment {
1010		private AdapterView.OnItemClickListener mOnItemClickListener;
1011		private int mResContextMenu;
1012
1013		public void setContextMenu(final int res) {
1014			this.mResContextMenu = res;
1015		}
1016
1017		@Override
1018		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1019			if (mOnItemClickListener != null) {
1020				mOnItemClickListener.onItemClick(l, v, position, id);
1021			}
1022		}
1023
1024		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1025			this.mOnItemClickListener = l;
1026		}
1027
1028		@Override
1029		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1030			super.onViewCreated(view, savedInstanceState);
1031			registerForContextMenu(getListView());
1032			getListView().setFastScrollEnabled(true);
1033			getListView().setDivider(null);
1034			getListView().setDividerHeight(0);
1035		}
1036
1037		@Override
1038		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1039			super.onCreateContextMenu(menu, v, menuInfo);
1040			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1041			if (activity == null) {
1042				return;
1043			}
1044			activity.getMenuInflater().inflate(mResContextMenu, menu);
1045			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1046			if (mResContextMenu == R.menu.conference_context) {
1047				activity.conference_context_id = acmi.position;
1048			} else if (mResContextMenu == R.menu.contact_context) {
1049				activity.contact_context_id = acmi.position;
1050				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1051				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1052				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1053				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1054				if (contact.isSelf()) {
1055					showContactDetailsItem.setVisible(false);
1056				}
1057				deleteContactMenuItem.setVisible(contact.showInRoster());
1058				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1059				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1060					if (contact.isBlocked()) {
1061						blockUnblockItem.setTitle(R.string.unblock_contact);
1062					} else {
1063						blockUnblockItem.setTitle(R.string.block_contact);
1064					}
1065				} else {
1066					blockUnblockItem.setVisible(false);
1067				}
1068			}
1069		}
1070
1071		@Override
1072		public boolean onContextItemSelected(final MenuItem item) {
1073			StartConversationActivity activity = (StartConversationActivity) getActivity();
1074			if (activity == null) {
1075				return true;
1076			}
1077			switch (item.getItemId()) {
1078				case R.id.context_contact_details:
1079					activity.openDetailsForContact();
1080					break;
1081				case R.id.context_show_qr:
1082					activity.showQrForContact();
1083					break;
1084				case R.id.context_contact_block_unblock:
1085					activity.toggleContactBlock();
1086					break;
1087				case R.id.context_delete_contact:
1088					activity.deleteContact();
1089					break;
1090				case R.id.context_join_conference:
1091					activity.openConversationForBookmark();
1092					break;
1093				case R.id.context_share_uri:
1094					activity.shareBookmarkUri();
1095					break;
1096				case R.id.context_delete_conference:
1097					activity.deleteConference();
1098			}
1099			return true;
1100		}
1101	}
1102
1103	public class ListPagerAdapter extends PagerAdapter {
1104		FragmentManager fragmentManager;
1105		MyListFragment[] fragments;
1106
1107		ListPagerAdapter(FragmentManager fm) {
1108			fragmentManager = fm;
1109			fragments = new MyListFragment[2];
1110		}
1111
1112		public void requestFocus(int pos) {
1113			if (fragments.length > pos) {
1114				fragments[pos].getListView().requestFocus();
1115			}
1116		}
1117
1118		@Override
1119		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1120			FragmentTransaction trans = fragmentManager.beginTransaction();
1121			trans.remove(fragments[position]);
1122			trans.commit();
1123			fragments[position] = null;
1124		}
1125
1126		@NonNull
1127		@Override
1128		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1129			Fragment fragment = getItem(position);
1130			FragmentTransaction trans = fragmentManager.beginTransaction();
1131			trans.add(container.getId(), fragment, "fragment:" + position);
1132			trans.commit();
1133			return fragment;
1134		}
1135
1136		@Override
1137		public int getCount() {
1138			return fragments.length;
1139		}
1140
1141		@Override
1142		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1143			return ((Fragment) fragment).getView() == view;
1144		}
1145
1146		@Nullable
1147		@Override
1148		public CharSequence getPageTitle(int position) {
1149			switch (position) {
1150				case 0:
1151					return getResources().getString(R.string.contacts);
1152				case 1:
1153					return getResources().getString(R.string.conferences);
1154				default:
1155					return super.getPageTitle(position);
1156			}
1157		}
1158
1159		Fragment getItem(int position) {
1160			if (fragments[position] == null) {
1161				final MyListFragment listFragment = new MyListFragment();
1162				if (position == 1) {
1163					listFragment.setListAdapter(mConferenceAdapter);
1164					listFragment.setContextMenu(R.menu.conference_context);
1165					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1166				} else {
1167
1168					listFragment.setListAdapter(mContactsAdapter);
1169					listFragment.setContextMenu(R.menu.contact_context);
1170					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1171				}
1172				fragments[position] = listFragment;
1173			}
1174			return fragments[position];
1175		}
1176	}
1177
1178	public static void addInviteUri(Intent to, Intent from) {
1179		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1180			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1181		}
1182	}
1183
1184	private class Invite extends XmppUri {
1185
1186		public String account;
1187
1188		public Invite(final Uri uri) {
1189			super(uri);
1190		}
1191
1192		public Invite(final String uri) {
1193			super(uri);
1194		}
1195
1196		public Invite(Uri uri, boolean safeSource) {
1197			super(uri, safeSource);
1198		}
1199
1200		boolean invite() {
1201			if (!isJidValid()) {
1202				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1203				return false;
1204			}
1205			if (getJid() != null) {
1206				return handleJid(this);
1207			}
1208			return false;
1209		}
1210	}
1211}