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.Arrays;
  53import java.util.Collections;
  54import java.util.List;
  55import java.util.concurrent.atomic.AtomicBoolean;
  56
  57import eu.siacs.conversations.Config;
  58import eu.siacs.conversations.R;
  59import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  60import eu.siacs.conversations.entities.Account;
  61import eu.siacs.conversations.entities.Bookmark;
  62import eu.siacs.conversations.entities.Contact;
  63import eu.siacs.conversations.entities.Conversation;
  64import eu.siacs.conversations.entities.ListItem;
  65import eu.siacs.conversations.entities.Presence;
  66import eu.siacs.conversations.services.QuickConversationsService;
  67import eu.siacs.conversations.services.XmppConnectionService;
  68import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  69import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  70import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  71import eu.siacs.conversations.ui.service.EmojiService;
  72import eu.siacs.conversations.ui.util.JidDialog;
  73import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  74import eu.siacs.conversations.ui.util.PendingItem;
  75import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  76import eu.siacs.conversations.utils.AccountUtils;
  77import eu.siacs.conversations.utils.XmppUri;
  78import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  79import eu.siacs.conversations.xmpp.XmppConnection;
  80import rocks.xmpp.addr.Jid;
  81
  82public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  83
  84	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  85
  86	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  87	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  88	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  89	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  90	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  91	public int conference_context_id;
  92	public int contact_context_id;
  93	private ListPagerAdapter mListPagerAdapter;
  94	private List<ListItem> contacts = new ArrayList<>();
  95	private ListItemAdapter mContactsAdapter;
  96	private List<ListItem> conferences = new ArrayList<>();
  97	private ListItemAdapter mConferenceAdapter;
  98	private List<String> mActivatedAccounts = new ArrayList<>();
  99	private EditText mSearchEditText;
 100	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 101	private boolean mHideOfflineContacts = false;
 102	private boolean createdByViewIntent = false;
 103	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 104
 105		@Override
 106		public boolean onMenuItemActionExpand(MenuItem item) {
 107			mSearchEditText.post(() -> {
 108				updateSearchViewHint();
 109				mSearchEditText.requestFocus();
 110				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 111					return;
 112				}
 113				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 114				if (imm != null) {
 115					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 116				}
 117			});
 118
 119			return true;
 120		}
 121
 122		@Override
 123		public boolean onMenuItemActionCollapse(MenuItem item) {
 124			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 125			mSearchEditText.setText("");
 126			filter(null);
 127			return true;
 128		}
 129	};
 130	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 131
 132		@Override
 133		public void afterTextChanged(Editable editable) {
 134			filter(editable.toString());
 135		}
 136
 137		@Override
 138		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 139		}
 140
 141		@Override
 142		public void onTextChanged(CharSequence s, int start, int before, int count) {
 143		}
 144	};
 145	private MenuItem mMenuSearchView;
 146	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 147		@Override
 148		public void onTagClicked(String tag) {
 149			if (mMenuSearchView != null) {
 150				mMenuSearchView.expandActionView();
 151				mSearchEditText.setText("");
 152				mSearchEditText.append(tag);
 153				filter(tag);
 154			}
 155		}
 156	};
 157	private Pair<Integer, Intent> mPostponedActivityResult;
 158	private Toast mToast;
 159	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 160		@Override
 161		public void success(final Conversation conversation) {
 162			runOnUiThread(() -> {
 163				hideToast();
 164				switchToConversation(conversation);
 165			});
 166		}
 167
 168		@Override
 169		public void error(final int errorCode, Conversation object) {
 170			runOnUiThread(() -> replaceToast(getString(errorCode)));
 171		}
 172
 173		@Override
 174		public void userInputRequried(PendingIntent pi, Conversation object) {
 175
 176		}
 177	};
 178	private ActivityStartConversationBinding binding;
 179	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 180		@Override
 181		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 182			int pos = binding.startConversationViewPager.getCurrentItem();
 183			if (pos == 0) {
 184				if (contacts.size() == 1) {
 185					openConversationForContact((Contact) contacts.get(0));
 186					return true;
 187				} else if (contacts.size() == 0 && conferences.size() == 1) {
 188					openConversationsForBookmark((Bookmark) conferences.get(0));
 189					return true;
 190				}
 191			} else {
 192				if (conferences.size() == 1) {
 193					openConversationsForBookmark((Bookmark) conferences.get(0));
 194					return true;
 195				} else if (conferences.size() == 0 && contacts.size() == 1) {
 196					openConversationForContact((Contact) contacts.get(0));
 197					return true;
 198				}
 199			}
 200			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 201			mListPagerAdapter.requestFocus(pos);
 202			return true;
 203		}
 204	};
 205	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 206		@Override
 207		public void onPageSelected(int position) {
 208			onTabChanged();
 209		}
 210	};
 211
 212	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 213		if (accounts.size() > 0) {
 214			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 215			adapter.setDropDownViewResource(R.layout.simple_list_item);
 216			spinner.setAdapter(adapter);
 217			spinner.setEnabled(true);
 218		} else {
 219			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 220					R.layout.simple_list_item,
 221					Collections.singletonList(context.getString(R.string.no_accounts)));
 222			adapter.setDropDownViewResource(R.layout.simple_list_item);
 223			spinner.setAdapter(adapter);
 224			spinner.setEnabled(false);
 225		}
 226	}
 227
 228	public static void launch(Context context) {
 229		final Intent intent = new Intent(context, StartConversationActivity.class);
 230		context.startActivity(intent);
 231	}
 232
 233	private static Intent createLauncherIntent(Context context) {
 234		final Intent intent = new Intent(context, StartConversationActivity.class);
 235		intent.setAction(Intent.ACTION_MAIN);
 236		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 237		return intent;
 238	}
 239
 240	private static boolean isViewIntent(final Intent i) {
 241		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 242	}
 243
 244	protected void hideToast() {
 245		if (mToast != null) {
 246			mToast.cancel();
 247		}
 248	}
 249
 250	protected void replaceToast(String msg) {
 251		hideToast();
 252		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 253		mToast.show();
 254	}
 255
 256	@Override
 257	public void onRosterUpdate() {
 258		this.refreshUi();
 259	}
 260
 261	@Override
 262	public void onCreate(Bundle savedInstanceState) {
 263		super.onCreate(savedInstanceState);
 264		new EmojiService(this).init();
 265		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 266		Toolbar toolbar = (Toolbar) binding.toolbar;
 267		setSupportActionBar(toolbar);
 268		configureActionBar(getSupportActionBar());
 269		this.binding.fab.setOnClickListener((v) -> {
 270			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 271				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 272				if (searchString != null && !searchString.trim().isEmpty()) {
 273					try {
 274						Jid jid = Jid.of(searchString);
 275						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 276							showCreateContactDialog(jid.toString(), null);
 277							return;
 278						}
 279					} catch (IllegalArgumentException ignored) {
 280						//ignore and fall through
 281					}
 282				}
 283				showCreateContactDialog(null, null);
 284			} else {
 285				showCreateConferenceDialog();
 286			}
 287		});
 288		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 289		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 290		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 291		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 292
 293		mConferenceAdapter = new ListItemAdapter(this, conferences);
 294		mContactsAdapter = new ListItemAdapter(this, contacts);
 295		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 296
 297		final SharedPreferences preferences = getPreferences();
 298
 299		this.mHideOfflineContacts = !QuickConversationsService.isQuicksy() && preferences.getBoolean("hide_offline", false);
 300
 301		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 302
 303		final Intent intent;
 304		if (savedInstanceState == null) {
 305			intent = getIntent();
 306		} else {
 307			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 308			final String search = savedInstanceState.getString("search");
 309			if (search != null) {
 310				mInitialSearchValue.push(search);
 311			}
 312			intent = savedInstanceState.getParcelable("intent");
 313		}
 314
 315		if (isViewIntent(intent)) {
 316			pendingViewIntent.push(intent);
 317			createdByViewIntent = true;
 318			setIntent(createLauncherIntent(this));
 319		} else if (startSearching && mInitialSearchValue.peek() == null) {
 320			mInitialSearchValue.push("");
 321		}
 322	}
 323
 324	@Override
 325	public void onSaveInstanceState(Bundle savedInstanceState) {
 326		Intent pendingIntent = pendingViewIntent.peek();
 327		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 328		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 329		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 330			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 331		}
 332		super.onSaveInstanceState(savedInstanceState);
 333	}
 334
 335	@Override
 336	public void onStart() {
 337		super.onStart();
 338		final int theme = findTheme();
 339		if (this.mTheme != theme) {
 340			recreate();
 341		} else {
 342			if (pendingViewIntent.peek() == null) {
 343				askForContactsPermissions();
 344			}
 345		}
 346		mConferenceAdapter.refreshSettings();
 347		mContactsAdapter.refreshSettings();
 348	}
 349
 350	@Override
 351	public void onNewIntent(final Intent intent) {
 352		if (xmppConnectionServiceBound) {
 353			processViewIntent(intent);
 354		} else {
 355			pendingViewIntent.push(intent);
 356		}
 357		setIntent(createLauncherIntent(this));
 358	}
 359
 360	protected void openConversationForContact(int position) {
 361		Contact contact = (Contact) contacts.get(position);
 362		openConversationForContact(contact);
 363	}
 364
 365	protected void openConversationForContact(Contact contact) {
 366		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 367		SoftKeyboardUtils.hideSoftKeyboard(this);
 368		switchToConversation(conversation);
 369	}
 370
 371	protected void openConversationForBookmark() {
 372		openConversationForBookmark(conference_context_id);
 373	}
 374
 375	protected void openConversationForBookmark(int position) {
 376		Bookmark bookmark = (Bookmark) conferences.get(position);
 377		openConversationsForBookmark(bookmark);
 378	}
 379
 380	protected void shareBookmarkUri() {
 381		shareBookmarkUri(conference_context_id);
 382	}
 383
 384	protected void shareBookmarkUri(int position) {
 385		Bookmark bookmark = (Bookmark) conferences.get(position);
 386		Intent shareIntent = new Intent();
 387		shareIntent.setAction(Intent.ACTION_SEND);
 388		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 389		shareIntent.setType("text/plain");
 390		try {
 391			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 392		} catch (ActivityNotFoundException e) {
 393			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 394		}
 395	}
 396
 397	protected void openConversationsForBookmark(Bookmark bookmark) {
 398		Jid jid = bookmark.getJid();
 399		if (jid == null) {
 400			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 401			return;
 402		}
 403		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 404		bookmark.setConversation(conversation);
 405		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 406			bookmark.setAutojoin(true);
 407			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 408		}
 409		SoftKeyboardUtils.hideSoftKeyboard(this);
 410		switchToConversation(conversation);
 411	}
 412
 413	protected void openDetailsForContact() {
 414		int position = contact_context_id;
 415		Contact contact = (Contact) contacts.get(position);
 416		switchToContactDetails(contact);
 417	}
 418
 419	protected void showQrForContact() {
 420		int position = contact_context_id;
 421		Contact contact = (Contact) contacts.get(position);
 422		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 423	}
 424
 425	protected void toggleContactBlock() {
 426		final int position = contact_context_id;
 427		BlockContactDialog.show(this, (Contact) contacts.get(position));
 428	}
 429
 430	protected void deleteContact() {
 431		final int position = contact_context_id;
 432		final Contact contact = (Contact) contacts.get(position);
 433		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 434		builder.setNegativeButton(R.string.cancel, null);
 435		builder.setTitle(R.string.action_delete_contact);
 436		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 437		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 438			xmppConnectionService.deleteContactOnServer(contact);
 439			filter(mSearchEditText.getText().toString());
 440		});
 441		builder.create().show();
 442	}
 443
 444	protected void deleteConference() {
 445		int position = conference_context_id;
 446		final Bookmark bookmark = (Bookmark) conferences.get(position);
 447
 448		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 449		builder.setNegativeButton(R.string.cancel, null);
 450		builder.setTitle(R.string.delete_bookmark);
 451		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 452		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 453			bookmark.setConversation(null);
 454			Account account = bookmark.getAccount();
 455			account.getBookmarks().remove(bookmark);
 456			xmppConnectionService.pushBookmarks(account);
 457			filter(mSearchEditText.getText().toString());
 458		});
 459		builder.create().show();
 460
 461	}
 462
 463	@SuppressLint("InflateParams")
 464	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 465		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 466		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 467		if (prev != null) {
 468			ft.remove(prev);
 469		}
 470		ft.addToBackStack(null);
 471		EnterJidDialog dialog = EnterJidDialog.newInstance(
 472				mActivatedAccounts,
 473				getString(R.string.dialog_title_create_contact),
 474				getString(R.string.create),
 475				prefilledJid,
 476				null,
 477				invite == null || !invite.hasFingerprints()
 478		);
 479
 480		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 481			if (!xmppConnectionServiceBound) {
 482				return false;
 483			}
 484
 485			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 486			if (account == null) {
 487				return true;
 488			}
 489
 490			final Contact contact = account.getRoster().getContact(contactJid);
 491			if (invite != null && invite.getName() != null) {
 492				contact.setServerName(invite.getName());
 493			}
 494			if (contact.isSelf()) {
 495				switchToConversation(contact);
 496				return true;
 497			} else if (contact.showInRoster()) {
 498				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 499			} else {
 500				xmppConnectionService.createContact(contact, true);
 501				if (invite != null && invite.hasFingerprints()) {
 502					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 503				}
 504				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 505				return true;
 506			}
 507		});
 508		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 509	}
 510
 511	@SuppressLint("InflateParams")
 512	protected void showJoinConferenceDialog(final String prefilledJid) {
 513		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 514		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 515		if (prev != null) {
 516			ft.remove(prev);
 517		}
 518		ft.addToBackStack(null);
 519		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 520		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 521	}
 522
 523	private void showCreateConferenceDialog() {
 524		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 525		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 526		if (prev != null) {
 527			ft.remove(prev);
 528		}
 529		ft.addToBackStack(null);
 530		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 531		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 532	}
 533
 534	private Account getSelectedAccount(Spinner spinner) {
 535		if (!spinner.isEnabled()) {
 536			return null;
 537		}
 538		Jid jid;
 539		try {
 540			if (Config.DOMAIN_LOCK != null) {
 541				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 542			} else {
 543				jid = Jid.of((String) spinner.getSelectedItem());
 544			}
 545		} catch (final IllegalArgumentException e) {
 546			return null;
 547		}
 548		return xmppConnectionService.findAccountByJid(jid);
 549	}
 550
 551	protected void switchToConversation(Contact contact) {
 552		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 553		switchToConversation(conversation);
 554	}
 555
 556	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 557		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 558		switchToConversationDoNotAppend(conversation, body);
 559	}
 560
 561	@Override
 562	public void invalidateOptionsMenu() {
 563		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 564		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 565		if (isExpanded) {
 566			mInitialSearchValue.push(text);
 567			oneShotKeyboardSuppress.set(true);
 568		}
 569		super.invalidateOptionsMenu();
 570	}
 571
 572	private void updateSearchViewHint() {
 573		if (binding == null || mSearchEditText == null) {
 574			return;
 575		}
 576		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 577			mSearchEditText.setHint(R.string.search_contacts);
 578		} else {
 579			mSearchEditText.setHint(R.string.search_groups);
 580		}
 581	}
 582
 583	@Override
 584	public boolean onCreateOptionsMenu(Menu menu) {
 585		getMenuInflater().inflate(R.menu.start_conversation, menu);
 586		AccountUtils.showHideMenuItems(menu);
 587		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 588		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 589		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 590		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 591		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 592		if (QuickConversationsService.isQuicksy()) {
 593			menuHideOffline.setVisible(false);
 594		} else {
 595			menuHideOffline.setVisible(true);
 596			menuHideOffline.setChecked(this.mHideOfflineContacts);
 597		}
 598		mMenuSearchView = menu.findItem(R.id.action_search);
 599		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 600		View mSearchView = mMenuSearchView.getActionView();
 601		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 602		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 603		mSearchEditText.setOnEditorActionListener(mSearchDone);
 604		String initialSearchValue = mInitialSearchValue.pop();
 605		if (initialSearchValue != null) {
 606			mMenuSearchView.expandActionView();
 607			mSearchEditText.append(initialSearchValue);
 608			filter(initialSearchValue);
 609		}
 610		updateSearchViewHint();
 611		return super.onCreateOptionsMenu(menu);
 612	}
 613
 614	@Override
 615	public boolean onOptionsItemSelected(MenuItem item) {
 616		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 617			return false;
 618		}
 619		switch (item.getItemId()) {
 620			case android.R.id.home:
 621				navigateBack();
 622				return true;
 623			case R.id.action_join_conference:
 624				showJoinConferenceDialog(null);
 625				return true;
 626			case R.id.action_scan_qr_code:
 627				UriHandlerActivity.scan(this);
 628				return true;
 629			case R.id.action_hide_offline:
 630				mHideOfflineContacts = !item.isChecked();
 631				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 632				if (mSearchEditText != null) {
 633					filter(mSearchEditText.getText().toString());
 634				}
 635				invalidateOptionsMenu();
 636		}
 637		return super.onOptionsItemSelected(item);
 638	}
 639
 640	@Override
 641	public boolean onKeyUp(int keyCode, KeyEvent event) {
 642		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 643			openSearch();
 644			return true;
 645		}
 646		int c = event.getUnicodeChar();
 647		if (c > 32) {
 648			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 649				openSearch();
 650				mSearchEditText.append(Character.toString((char) c));
 651				return true;
 652			}
 653		}
 654		return super.onKeyUp(keyCode, event);
 655	}
 656
 657	private void openSearch() {
 658		if (mMenuSearchView != null) {
 659			mMenuSearchView.expandActionView();
 660		}
 661	}
 662
 663	@Override
 664	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 665		if (resultCode == RESULT_OK) {
 666			if (xmppConnectionServiceBound) {
 667				this.mPostponedActivityResult = null;
 668				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 669					Account account = extractAccount(intent);
 670					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 671					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 672					if (account != null && jids.size() > 0) {
 673						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 674							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 675							mToast.show();
 676						}
 677					}
 678				}
 679			} else {
 680				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 681			}
 682		}
 683		super.onActivityResult(requestCode, requestCode, intent);
 684	}
 685
 686	private void askForContactsPermissions() {
 687		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 688			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 689				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 690					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 691						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 692						builder.setTitle(R.string.sync_with_contacts);
 693						builder.setMessage(R.string.sync_with_contacts_long);
 694						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 695						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 696						builder.create().show();
 697					} else {
 698						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 699					}
 700				}
 701			}
 702		}
 703	}
 704
 705	@Override
 706	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 707		if (grantResults.length > 0)
 708			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 709				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 710				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 711					xmppConnectionService.loadPhoneContacts();
 712					xmppConnectionService.startContactObserver();
 713				}
 714			}
 715	}
 716
 717	private void configureHomeButton() {
 718		final ActionBar actionBar = getSupportActionBar();
 719		if (actionBar == null) {
 720			return;
 721		}
 722		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 723		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 724		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 725
 726	}
 727
 728	@Override
 729	protected void onBackendConnected() {
 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		final boolean singleAccountActive = isSingleAccountActive(accounts);
 864		for (Account account : accounts) {
 865			if (account.getStatus() != Account.State.DISABLED) {
 866				for (Contact contact : account.getRoster().getContacts()) {
 867					Presence.Status s = contact.getShownStatus();
 868					if ((contact.showInRoster() || (singleAccountActive && contact.showInPhoneBook())) && contact.match(this, needle)
 869							&& (!this.mHideOfflineContacts
 870							|| (needle != null && !needle.trim().isEmpty())
 871							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 872						this.contacts.add(contact);
 873					}
 874				}
 875			}
 876		}
 877		Collections.sort(this.contacts);
 878		mContactsAdapter.notifyDataSetChanged();
 879	}
 880
 881	private static boolean isSingleAccountActive(final List<Account> accounts) {
 882		int i = 0;
 883		for(Account account : accounts) {
 884			if (account.getStatus() != Account.State.DISABLED) {
 885				++i;
 886			}
 887		}
 888		return i == 1;
 889	}
 890
 891	protected void filterConferences(String needle) {
 892		this.conferences.clear();
 893		for (Account account : xmppConnectionService.getAccounts()) {
 894			if (account.getStatus() != Account.State.DISABLED) {
 895				for (Bookmark bookmark : account.getBookmarks()) {
 896					if (bookmark.match(this, needle)) {
 897						this.conferences.add(bookmark);
 898					}
 899				}
 900			}
 901		}
 902		Collections.sort(this.conferences);
 903		mConferenceAdapter.notifyDataSetChanged();
 904	}
 905
 906	private void onTabChanged() {
 907		@DrawableRes final int fabDrawable;
 908		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 909			fabDrawable = R.drawable.ic_person_add_white_24dp;
 910		} else {
 911			fabDrawable = R.drawable.ic_group_add_white_24dp;
 912		}
 913		binding.fab.setImageResource(fabDrawable);
 914		invalidateOptionsMenu();
 915	}
 916
 917	@Override
 918	public void OnUpdateBlocklist(final Status status) {
 919		refreshUi();
 920	}
 921
 922	@Override
 923	protected void refreshUiReal() {
 924		if (mSearchEditText != null) {
 925			filter(mSearchEditText.getText().toString());
 926		}
 927		configureHomeButton();
 928	}
 929
 930	@Override
 931	public void onBackPressed() {
 932		navigateBack();
 933	}
 934
 935	private void navigateBack() {
 936		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 937			Intent intent = new Intent(this, ConversationsActivity.class);
 938			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 939			startActivity(intent);
 940		}
 941		finish();
 942	}
 943
 944	@Override
 945	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 946		if (!xmppConnectionServiceBound) {
 947			return;
 948		}
 949		final Account account = getSelectedAccount(spinner);
 950		if (account == null) {
 951			return;
 952		}
 953		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 954		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 955		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 956		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 957		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 958		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 959		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 960	}
 961
 962	@Override
 963	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 964		if (!xmppConnectionServiceBound) {
 965			return;
 966		}
 967		final Account account = getSelectedAccount(spinner);
 968		if (account == null) {
 969			return;
 970		}
 971		final Jid conferenceJid;
 972		try {
 973			conferenceJid = Jid.of(jid.getText().toString());
 974		} catch (final IllegalArgumentException e) {
 975			jid.setError(getString(R.string.invalid_jid));
 976			return;
 977		}
 978
 979		if (isBookmarkChecked) {
 980			if (account.hasBookmarkFor(conferenceJid)) {
 981				jid.setError(getString(R.string.bookmark_already_exists));
 982			} else {
 983				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 984				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 985				String nick = conferenceJid.getResource();
 986				if (nick != null && !nick.isEmpty()) {
 987					bookmark.setNick(nick);
 988				}
 989				account.getBookmarks().add(bookmark);
 990				xmppConnectionService.pushBookmarks(account);
 991				final Conversation conversation = xmppConnectionService
 992						.findOrCreateConversation(account, conferenceJid, true, true, true);
 993				bookmark.setConversation(conversation);
 994				dialog.dismiss();
 995				switchToConversation(conversation);
 996			}
 997		} else {
 998			final Conversation conversation = xmppConnectionService
 999					.findOrCreateConversation(account, conferenceJid, true, true, true);
1000			dialog.dismiss();
1001			switchToConversation(conversation);
1002		}
1003	}
1004
1005	@Override
1006	public void onConversationUpdate() {
1007		refreshUi();
1008	}
1009
1010	public static class MyListFragment extends ListFragment {
1011		private AdapterView.OnItemClickListener mOnItemClickListener;
1012		private int mResContextMenu;
1013
1014		public void setContextMenu(final int res) {
1015			this.mResContextMenu = res;
1016		}
1017
1018		@Override
1019		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1020			if (mOnItemClickListener != null) {
1021				mOnItemClickListener.onItemClick(l, v, position, id);
1022			}
1023		}
1024
1025		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1026			this.mOnItemClickListener = l;
1027		}
1028
1029		@Override
1030		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1031			super.onViewCreated(view, savedInstanceState);
1032			registerForContextMenu(getListView());
1033			getListView().setFastScrollEnabled(true);
1034			getListView().setDivider(null);
1035			getListView().setDividerHeight(0);
1036		}
1037
1038		@Override
1039		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1040			super.onCreateContextMenu(menu, v, menuInfo);
1041			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1042			if (activity == null) {
1043				return;
1044			}
1045			activity.getMenuInflater().inflate(mResContextMenu, menu);
1046			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1047			if (mResContextMenu == R.menu.conference_context) {
1048				activity.conference_context_id = acmi.position;
1049			} else if (mResContextMenu == R.menu.contact_context) {
1050				activity.contact_context_id = acmi.position;
1051				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1052				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1053				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1054				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1055				if (contact.isSelf()) {
1056					showContactDetailsItem.setVisible(false);
1057				}
1058				deleteContactMenuItem.setVisible(contact.showInRoster());
1059				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1060				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1061					if (contact.isBlocked()) {
1062						blockUnblockItem.setTitle(R.string.unblock_contact);
1063					} else {
1064						blockUnblockItem.setTitle(R.string.block_contact);
1065					}
1066				} else {
1067					blockUnblockItem.setVisible(false);
1068				}
1069			}
1070		}
1071
1072		@Override
1073		public boolean onContextItemSelected(final MenuItem item) {
1074			StartConversationActivity activity = (StartConversationActivity) getActivity();
1075			if (activity == null) {
1076				return true;
1077			}
1078			switch (item.getItemId()) {
1079				case R.id.context_contact_details:
1080					activity.openDetailsForContact();
1081					break;
1082				case R.id.context_show_qr:
1083					activity.showQrForContact();
1084					break;
1085				case R.id.context_contact_block_unblock:
1086					activity.toggleContactBlock();
1087					break;
1088				case R.id.context_delete_contact:
1089					activity.deleteContact();
1090					break;
1091				case R.id.context_join_conference:
1092					activity.openConversationForBookmark();
1093					break;
1094				case R.id.context_share_uri:
1095					activity.shareBookmarkUri();
1096					break;
1097				case R.id.context_delete_conference:
1098					activity.deleteConference();
1099			}
1100			return true;
1101		}
1102	}
1103
1104	public class ListPagerAdapter extends PagerAdapter {
1105		FragmentManager fragmentManager;
1106		MyListFragment[] fragments;
1107
1108		ListPagerAdapter(FragmentManager fm) {
1109			fragmentManager = fm;
1110			fragments = new MyListFragment[2];
1111		}
1112
1113		public void requestFocus(int pos) {
1114			if (fragments.length > pos) {
1115				fragments[pos].getListView().requestFocus();
1116			}
1117		}
1118
1119		@Override
1120		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1121			FragmentTransaction trans = fragmentManager.beginTransaction();
1122			trans.remove(fragments[position]);
1123			trans.commit();
1124			fragments[position] = null;
1125		}
1126
1127		@NonNull
1128		@Override
1129		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1130			Fragment fragment = getItem(position);
1131			FragmentTransaction trans = fragmentManager.beginTransaction();
1132			trans.add(container.getId(), fragment, "fragment:" + position);
1133			trans.commit();
1134			return fragment;
1135		}
1136
1137		@Override
1138		public int getCount() {
1139			return fragments.length;
1140		}
1141
1142		@Override
1143		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1144			return ((Fragment) fragment).getView() == view;
1145		}
1146
1147		@Nullable
1148		@Override
1149		public CharSequence getPageTitle(int position) {
1150			switch (position) {
1151				case 0:
1152					return getResources().getString(R.string.contacts);
1153				case 1:
1154					return getResources().getString(R.string.conferences);
1155				default:
1156					return super.getPageTitle(position);
1157			}
1158		}
1159
1160		Fragment getItem(int position) {
1161			if (fragments[position] == null) {
1162				final MyListFragment listFragment = new MyListFragment();
1163				if (position == 1) {
1164					listFragment.setListAdapter(mConferenceAdapter);
1165					listFragment.setContextMenu(R.menu.conference_context);
1166					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1167				} else {
1168
1169					listFragment.setListAdapter(mContactsAdapter);
1170					listFragment.setContextMenu(R.menu.contact_context);
1171					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1172				}
1173				fragments[position] = listFragment;
1174			}
1175			return fragments[position];
1176		}
1177	}
1178
1179	public static void addInviteUri(Intent to, Intent from) {
1180		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1181			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1182		}
1183	}
1184
1185	private class Invite extends XmppUri {
1186
1187		public String account;
1188
1189		public Invite(final Uri uri) {
1190			super(uri);
1191		}
1192
1193		public Invite(final String uri) {
1194			super(uri);
1195		}
1196
1197		public Invite(Uri uri, boolean safeSource) {
1198			super(uri, safeSource);
1199		}
1200
1201		boolean invite() {
1202			if (!isJidValid()) {
1203				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1204				return false;
1205			}
1206			if (getJid() != null) {
1207				return handleJid(this);
1208			}
1209			return false;
1210		}
1211	}
1212}