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.NonNull;
  17import android.support.annotation.Nullable;
  18import android.support.v4.app.Fragment;
  19import android.support.v4.app.FragmentManager;
  20import android.support.v4.app.FragmentTransaction;
  21import android.support.v4.view.PagerAdapter;
  22import android.support.v4.view.ViewPager;
  23import android.support.v4.widget.SwipeRefreshLayout;
  24import android.support.v7.app.ActionBar;
  25import android.support.v7.app.AlertDialog;
  26import android.support.v7.widget.Toolbar;
  27import android.text.Editable;
  28import android.text.Html;
  29import android.text.TextWatcher;
  30import android.text.method.LinkMovementMethod;
  31import android.util.Log;
  32import android.util.Pair;
  33import android.view.ContextMenu;
  34import android.view.ContextMenu.ContextMenuInfo;
  35import android.view.KeyEvent;
  36import android.view.Menu;
  37import android.view.MenuItem;
  38import android.view.View;
  39import android.view.ViewGroup;
  40import android.view.inputmethod.InputMethodManager;
  41import android.widget.AdapterView;
  42import android.widget.AdapterView.AdapterContextMenuInfo;
  43import android.widget.ArrayAdapter;
  44import android.widget.AutoCompleteTextView;
  45import android.widget.CheckBox;
  46import android.widget.EditText;
  47import android.widget.ListView;
  48import android.widget.Spinner;
  49import android.widget.TextView;
  50import android.widget.Toast;
  51
  52import java.util.ArrayList;
  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.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.ui.widget.SwipeRefreshListFragment;
  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, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  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 AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 102	private boolean mHideOfflineContacts = false;
 103	private boolean createdByViewIntent = false;
 104	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 105
 106		@Override
 107		public boolean onMenuItemActionExpand(MenuItem item) {
 108			mSearchEditText.post(() -> {
 109				updateSearchViewHint();
 110				mSearchEditText.requestFocus();
 111				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 112					return;
 113				}
 114				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 115				if (imm != null) {
 116					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 117				}
 118			});
 119			if (binding.speedDial.isOpen()) {
 120				binding.speedDial.close();
 121			}
 122			return true;
 123		}
 124
 125		@Override
 126		public boolean onMenuItemActionCollapse(MenuItem item) {
 127			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 128			mSearchEditText.setText("");
 129			filter(null);
 130			return true;
 131		}
 132	};
 133	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 134
 135		@Override
 136		public void afterTextChanged(Editable editable) {
 137			filter(editable.toString());
 138		}
 139
 140		@Override
 141		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 142		}
 143
 144		@Override
 145		public void onTextChanged(CharSequence s, int start, int before, int count) {
 146		}
 147	};
 148	private MenuItem mMenuSearchView;
 149	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 150		@Override
 151		public void onTagClicked(String tag) {
 152			if (mMenuSearchView != null) {
 153				mMenuSearchView.expandActionView();
 154				mSearchEditText.setText("");
 155				mSearchEditText.append(tag);
 156				filter(tag);
 157			}
 158		}
 159	};
 160	private Pair<Integer, Intent> mPostponedActivityResult;
 161	private Toast mToast;
 162	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 163		@Override
 164		public void success(final Conversation conversation) {
 165			runOnUiThread(() -> {
 166				hideToast();
 167				switchToConversation(conversation);
 168			});
 169		}
 170
 171		@Override
 172		public void error(final int errorCode, Conversation object) {
 173			runOnUiThread(() -> replaceToast(getString(errorCode)));
 174		}
 175
 176		@Override
 177		public void userInputRequried(PendingIntent pi, Conversation object) {
 178
 179		}
 180	};
 181	private ActivityStartConversationBinding binding;
 182	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 183		@Override
 184		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 185			int pos = binding.startConversationViewPager.getCurrentItem();
 186			if (pos == 0) {
 187				if (contacts.size() == 1) {
 188					openConversationForContact((Contact) contacts.get(0));
 189					return true;
 190				} else if (contacts.size() == 0 && conferences.size() == 1) {
 191					openConversationsForBookmark((Bookmark) conferences.get(0));
 192					return true;
 193				}
 194			} else {
 195				if (conferences.size() == 1) {
 196					openConversationsForBookmark((Bookmark) conferences.get(0));
 197					return true;
 198				} else if (conferences.size() == 0 && contacts.size() == 1) {
 199					openConversationForContact((Contact) contacts.get(0));
 200					return true;
 201				}
 202			}
 203			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 204			mListPagerAdapter.requestFocus(pos);
 205			return true;
 206		}
 207	};
 208
 209	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 210		if (accounts.size() > 0) {
 211			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 212			adapter.setDropDownViewResource(R.layout.simple_list_item);
 213			spinner.setAdapter(adapter);
 214			spinner.setEnabled(true);
 215		} else {
 216			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 217					R.layout.simple_list_item,
 218					Collections.singletonList(context.getString(R.string.no_accounts)));
 219			adapter.setDropDownViewResource(R.layout.simple_list_item);
 220			spinner.setAdapter(adapter);
 221			spinner.setEnabled(false);
 222		}
 223	}
 224
 225	public static void launch(Context context) {
 226		final Intent intent = new Intent(context, StartConversationActivity.class);
 227		context.startActivity(intent);
 228	}
 229
 230	private static Intent createLauncherIntent(Context context) {
 231		final Intent intent = new Intent(context, StartConversationActivity.class);
 232		intent.setAction(Intent.ACTION_MAIN);
 233		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 234		return intent;
 235	}
 236
 237	private static boolean isViewIntent(final Intent i) {
 238		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 239	}
 240
 241	protected void hideToast() {
 242		if (mToast != null) {
 243			mToast.cancel();
 244		}
 245	}
 246
 247	protected void replaceToast(String msg) {
 248		hideToast();
 249		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 250		mToast.show();
 251	}
 252
 253	@Override
 254	public void onRosterUpdate() {
 255		this.refreshUi();
 256	}
 257
 258	@Override
 259	public void onCreate(Bundle savedInstanceState) {
 260		super.onCreate(savedInstanceState);
 261		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 262		Toolbar toolbar = (Toolbar) binding.toolbar;
 263		setSupportActionBar(toolbar);
 264		configureActionBar(getSupportActionBar());
 265
 266		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 267
 268		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 269		binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 270			@Override
 271			public void onPageSelected(int position) {
 272				updateSearchViewHint();
 273			}
 274		});
 275		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 276		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 277
 278		mConferenceAdapter = new ListItemAdapter(this, conferences);
 279		mContactsAdapter = new ListItemAdapter(this, contacts);
 280		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 281
 282		final SharedPreferences preferences = getPreferences();
 283
 284		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 285
 286		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 287
 288		final Intent intent;
 289		if (savedInstanceState == null) {
 290			intent = getIntent();
 291		} else {
 292			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 293			final String search = savedInstanceState.getString("search");
 294			if (search != null) {
 295				mInitialSearchValue.push(search);
 296			}
 297			intent = savedInstanceState.getParcelable("intent");
 298		}
 299
 300		if (isViewIntent(intent)) {
 301			pendingViewIntent.push(intent);
 302			createdByViewIntent = true;
 303			setIntent(createLauncherIntent(this));
 304		} else if (startSearching && mInitialSearchValue.peek() == null) {
 305			mInitialSearchValue.push("");
 306		}
 307		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 308		mOpenedFab.set(savedInstanceState != null && savedInstanceState.getBoolean("opened_fab",false));
 309		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 310			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 311			final String prefilled;
 312			if (isValidJid(searchString)) {
 313				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 314			} else {
 315				prefilled = null;
 316			}
 317			switch (actionItem.getId()) {
 318				case R.id.discover_public_channels:
 319					startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 320					break;
 321				case R.id.join_public_channel:
 322					showJoinConferenceDialog(prefilled);
 323					break;
 324				case R.id.create_private_group_chat:
 325					showCreatePrivateGroupChatDialog();
 326					break;
 327				case R.id.create_public_channel:
 328					showPublicChannelDialog();
 329					break;
 330				case R.id.create_contact:
 331					showCreateContactDialog(prefilled,null);
 332					break;
 333			}
 334			return false;
 335		});
 336	}
 337
 338	public static boolean isValidJid(String input) {
 339		try {
 340			Jid jid = Jid.ofEscaped(input);
 341			return !jid.isDomainJid();
 342		} catch (IllegalArgumentException e) {
 343			return false;
 344		}
 345	}
 346
 347	@Override
 348	public void onSaveInstanceState(Bundle savedInstanceState) {
 349		Intent pendingIntent = pendingViewIntent.peek();
 350		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 351		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 352		savedInstanceState.putBoolean("opened_fab",mOpenedFab.get());
 353		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 354		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 355			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 356		}
 357		super.onSaveInstanceState(savedInstanceState);
 358	}
 359
 360	@Override
 361	public void onStart() {
 362		super.onStart();
 363		final int theme = findTheme();
 364		if (this.mTheme != theme) {
 365			recreate();
 366		} else {
 367			if (pendingViewIntent.peek() == null) {
 368				askForContactsPermissions();
 369			}
 370		}
 371		mConferenceAdapter.refreshSettings();
 372		mContactsAdapter.refreshSettings();
 373	}
 374
 375	@Override
 376	public void onNewIntent(final Intent intent) {
 377		if (xmppConnectionServiceBound) {
 378			processViewIntent(intent);
 379		} else {
 380			pendingViewIntent.push(intent);
 381		}
 382		setIntent(createLauncherIntent(this));
 383	}
 384
 385	protected void openConversationForContact(int position) {
 386		Contact contact = (Contact) contacts.get(position);
 387		openConversationForContact(contact);
 388	}
 389
 390	protected void openConversationForContact(Contact contact) {
 391		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 392		SoftKeyboardUtils.hideSoftKeyboard(this);
 393		switchToConversation(conversation);
 394	}
 395
 396	protected void openConversationForBookmark(int position) {
 397		Bookmark bookmark = (Bookmark) conferences.get(position);
 398		openConversationsForBookmark(bookmark);
 399	}
 400
 401	protected void shareBookmarkUri() {
 402		shareBookmarkUri(conference_context_id);
 403	}
 404
 405	protected void shareBookmarkUri(int position) {
 406		Bookmark bookmark = (Bookmark) conferences.get(position);
 407		Intent shareIntent = new Intent();
 408		shareIntent.setAction(Intent.ACTION_SEND);
 409		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 410		shareIntent.setType("text/plain");
 411		try {
 412			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 413		} catch (ActivityNotFoundException e) {
 414			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 415		}
 416	}
 417
 418	protected void openConversationsForBookmark(Bookmark bookmark) {
 419		final Jid jid = bookmark.getFullJid();
 420		if (jid == null) {
 421			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 422			return;
 423		}
 424		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 425		bookmark.setConversation(conversation);
 426		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 427			bookmark.setAutojoin(true);
 428			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 429		}
 430		SoftKeyboardUtils.hideSoftKeyboard(this);
 431		switchToConversation(conversation);
 432	}
 433
 434	protected void openDetailsForContact() {
 435		int position = contact_context_id;
 436		Contact contact = (Contact) contacts.get(position);
 437		switchToContactDetails(contact);
 438	}
 439
 440	protected void showQrForContact() {
 441		int position = contact_context_id;
 442		Contact contact = (Contact) contacts.get(position);
 443		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 444	}
 445
 446	protected void toggleContactBlock() {
 447		final int position = contact_context_id;
 448		BlockContactDialog.show(this, (Contact) contacts.get(position));
 449	}
 450
 451	protected void deleteContact() {
 452		final int position = contact_context_id;
 453		final Contact contact = (Contact) contacts.get(position);
 454		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 455		builder.setNegativeButton(R.string.cancel, null);
 456		builder.setTitle(R.string.action_delete_contact);
 457		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 458		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 459			xmppConnectionService.deleteContactOnServer(contact);
 460			filter(mSearchEditText.getText().toString());
 461		});
 462		builder.create().show();
 463	}
 464
 465	protected void deleteConference() {
 466		int position = conference_context_id;
 467		final Bookmark bookmark = (Bookmark) conferences.get(position);
 468
 469		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 470		builder.setNegativeButton(R.string.cancel, null);
 471		builder.setTitle(R.string.delete_bookmark);
 472		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 473		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 474			bookmark.setConversation(null);
 475			Account account = bookmark.getAccount();
 476			account.getBookmarks().remove(bookmark);
 477			xmppConnectionService.pushBookmarks(account);
 478			filter(mSearchEditText.getText().toString());
 479		});
 480		builder.create().show();
 481
 482	}
 483
 484	@SuppressLint("InflateParams")
 485	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 486		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 487		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 488		if (prev != null) {
 489			ft.remove(prev);
 490		}
 491		ft.addToBackStack(null);
 492		EnterJidDialog dialog = EnterJidDialog.newInstance(
 493				mActivatedAccounts,
 494				getString(R.string.add_contact),
 495				getString(R.string.add),
 496				prefilledJid,
 497				null,
 498				invite == null || !invite.hasFingerprints()
 499		);
 500
 501		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 502			if (!xmppConnectionServiceBound) {
 503				return false;
 504			}
 505
 506			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 507			if (account == null) {
 508				return true;
 509			}
 510
 511			final Contact contact = account.getRoster().getContact(contactJid);
 512			if (invite != null && invite.getName() != null) {
 513				contact.setServerName(invite.getName());
 514			}
 515			if (contact.isSelf()) {
 516				switchToConversation(contact);
 517				return true;
 518			} else if (contact.showInRoster()) {
 519				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 520			} else {
 521				xmppConnectionService.createContact(contact, true);
 522				if (invite != null && invite.hasFingerprints()) {
 523					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 524				}
 525				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 526				return true;
 527			}
 528		});
 529		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 530	}
 531
 532	@SuppressLint("InflateParams")
 533	protected void showJoinConferenceDialog(final String prefilledJid) {
 534		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 535		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 536		if (prev != null) {
 537			ft.remove(prev);
 538		}
 539		ft.addToBackStack(null);
 540		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 541		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 542	}
 543
 544	private void showCreatePrivateGroupChatDialog() {
 545		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 546		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 547		if (prev != null) {
 548			ft.remove(prev);
 549		}
 550		ft.addToBackStack(null);
 551		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 552		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 553	}
 554
 555	private void showPublicChannelDialog() {
 556		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 557		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 558		if (prev != null) {
 559			ft.remove(prev);
 560		}
 561		ft.addToBackStack(null);
 562		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 563		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 564	}
 565
 566	public static Account getSelectedAccount(Context context, Spinner spinner) {
 567		if (spinner == null || !spinner.isEnabled()) {
 568			return null;
 569		}
 570		if (context instanceof XmppActivity) {
 571			Jid jid;
 572			try {
 573				if (Config.DOMAIN_LOCK != null) {
 574					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 575				} else {
 576					jid = Jid.of((String) spinner.getSelectedItem());
 577				}
 578			} catch (final IllegalArgumentException e) {
 579				return null;
 580			}
 581			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 582			if (service == null) {
 583				return null;
 584			}
 585			return service.findAccountByJid(jid);
 586		} else {
 587			return null;
 588		}
 589	}
 590
 591	protected void switchToConversation(Contact contact) {
 592		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 593		switchToConversation(conversation);
 594	}
 595
 596	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 597		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 598		switchToConversationDoNotAppend(conversation, body);
 599	}
 600
 601	@Override
 602	public void invalidateOptionsMenu() {
 603		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 604		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 605		if (isExpanded) {
 606			mInitialSearchValue.push(text);
 607			oneShotKeyboardSuppress.set(true);
 608		}
 609		super.invalidateOptionsMenu();
 610	}
 611
 612	private void updateSearchViewHint() {
 613		if (binding == null || mSearchEditText == null) {
 614			return;
 615		}
 616		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 617			mSearchEditText.setHint(R.string.search_contacts);
 618		} else {
 619			mSearchEditText.setHint(R.string.search_bookmarks);
 620		}
 621	}
 622
 623	@Override
 624	public boolean onCreateOptionsMenu(Menu menu) {
 625		getMenuInflater().inflate(R.menu.start_conversation, menu);
 626		AccountUtils.showHideMenuItems(menu);
 627		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 628		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 629		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 630		if (QuickConversationsService.isQuicksy()) {
 631			menuHideOffline.setVisible(false);
 632		} else {
 633			menuHideOffline.setVisible(true);
 634			menuHideOffline.setChecked(this.mHideOfflineContacts);
 635		}
 636		mMenuSearchView = menu.findItem(R.id.action_search);
 637		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 638		View mSearchView = mMenuSearchView.getActionView();
 639		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 640		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 641		mSearchEditText.setOnEditorActionListener(mSearchDone);
 642		String initialSearchValue = mInitialSearchValue.pop();
 643		if (initialSearchValue != null) {
 644			mMenuSearchView.expandActionView();
 645			mSearchEditText.append(initialSearchValue);
 646			filter(initialSearchValue);
 647		}
 648		updateSearchViewHint();
 649		return super.onCreateOptionsMenu(menu);
 650	}
 651
 652	@Override
 653	public boolean onOptionsItemSelected(MenuItem item) {
 654		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 655			return false;
 656		}
 657		switch (item.getItemId()) {
 658			case android.R.id.home:
 659				navigateBack();
 660				return true;
 661			case R.id.action_scan_qr_code:
 662				UriHandlerActivity.scan(this);
 663				return true;
 664			case R.id.action_hide_offline:
 665				mHideOfflineContacts = !item.isChecked();
 666				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 667				if (mSearchEditText != null) {
 668					filter(mSearchEditText.getText().toString());
 669				}
 670				invalidateOptionsMenu();
 671		}
 672		return super.onOptionsItemSelected(item);
 673	}
 674
 675	@Override
 676	public boolean onKeyUp(int keyCode, KeyEvent event) {
 677		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 678			openSearch();
 679			return true;
 680		}
 681		int c = event.getUnicodeChar();
 682		if (c > 32) {
 683			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 684				openSearch();
 685				mSearchEditText.append(Character.toString((char) c));
 686				return true;
 687			}
 688		}
 689		return super.onKeyUp(keyCode, event);
 690	}
 691
 692	private void openSearch() {
 693		if (mMenuSearchView != null) {
 694			mMenuSearchView.expandActionView();
 695		}
 696	}
 697
 698	@Override
 699	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 700		if (resultCode == RESULT_OK) {
 701			if (xmppConnectionServiceBound) {
 702				this.mPostponedActivityResult = null;
 703				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 704					Account account = extractAccount(intent);
 705					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 706					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 707					if (account != null && jids.size() > 0) {
 708						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 709							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 710							mToast.show();
 711						}
 712					}
 713				}
 714			} else {
 715				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 716			}
 717		}
 718		super.onActivityResult(requestCode, requestCode, intent);
 719	}
 720
 721	private void askForContactsPermissions() {
 722		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 723			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 724				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 725					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 726						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 727						builder.setTitle(R.string.sync_with_contacts);
 728						if (QuickConversationsService.isQuicksy()) {
 729							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 730                        } else {
 731                            builder.setMessage(R.string.sync_with_contacts_long);
 732                        }
 733						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 734						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 735						builder.setCancelable(false);
 736						AlertDialog dialog = builder.create();
 737						dialog.setCanceledOnTouchOutside(false);
 738						dialog.setOnShowListener(dialogInterface -> {
 739							final TextView tv =  dialog.findViewById(android.R.id.message);
 740							if (tv != null) {
 741								tv.setMovementMethod(LinkMovementMethod.getInstance());
 742							}
 743						});
 744						dialog.show();
 745					} else {
 746						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 747					}
 748				}
 749			}
 750		}
 751	}
 752
 753	@Override
 754	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 755		if (grantResults.length > 0)
 756			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 757				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 758				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 759					if (QuickConversationsService.isQuicksy()) {
 760						setRefreshing(true);
 761					}
 762					xmppConnectionService.loadPhoneContacts();
 763					xmppConnectionService.startContactObserver();
 764				}
 765			}
 766	}
 767
 768	private void configureHomeButton() {
 769		final ActionBar actionBar = getSupportActionBar();
 770		if (actionBar == null) {
 771			return;
 772		}
 773		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 774		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 775		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 776
 777	}
 778
 779	@Override
 780	protected void onBackendConnected() {
 781
 782		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 783			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 784		}
 785		if (mPostponedActivityResult != null) {
 786			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 787			this.mPostponedActivityResult = null;
 788		}
 789		this.mActivatedAccounts.clear();
 790		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 791		configureHomeButton();
 792		Intent intent = pendingViewIntent.pop();
 793		if (intent != null && processViewIntent(intent)) {
 794			filter(null);
 795		} else {
 796			if (mSearchEditText != null) {
 797				filter(mSearchEditText.getText().toString());
 798			} else {
 799				filter(null);
 800			}
 801		}
 802		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 803		if (fragment instanceof OnBackendConnected) {
 804			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 805			((OnBackendConnected) fragment).onBackendConnected();
 806		}
 807		if (QuickConversationsService.isQuicksy()) {
 808			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 809		}
 810		if (QuickConversationsService.isConversations() && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false,true)) {
 811			binding.speedDial.open();
 812		}
 813	}
 814
 815	protected boolean processViewIntent(@NonNull Intent intent) {
 816		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 817		if (inviteUri != null) {
 818			Invite invite = new Invite(inviteUri);
 819			if (invite.isJidValid()) {
 820				return invite.invite();
 821			}
 822		}
 823		final String action = intent.getAction();
 824		if (action == null) {
 825			return false;
 826		}
 827		switch (action) {
 828			case Intent.ACTION_SENDTO:
 829			case Intent.ACTION_VIEW:
 830				Uri uri = intent.getData();
 831				if (uri != null) {
 832					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 833					invite.account = intent.getStringExtra("account");
 834					return invite.invite();
 835				} else {
 836					return false;
 837				}
 838		}
 839		return false;
 840	}
 841
 842	private boolean handleJid(Invite invite) {
 843		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 844		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 845			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 846			if (muc != null) {
 847				switchToConversationDoNotAppend(muc, invite.getBody());
 848				return true;
 849			} else {
 850				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 851				return false;
 852			}
 853		} else if (contacts.size() == 0) {
 854			showCreateContactDialog(invite.getJid().toString(), invite);
 855			return false;
 856		} else if (contacts.size() == 1) {
 857			Contact contact = contacts.get(0);
 858			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 859				displayVerificationWarningDialog(contact, invite);
 860			} else {
 861				if (invite.hasFingerprints()) {
 862					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 863						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 864					}
 865				}
 866				if (invite.account != null) {
 867					xmppConnectionService.getShortcutService().report(contact);
 868				}
 869				switchToConversationDoNotAppend(contact, invite.getBody());
 870			}
 871			return true;
 872		} else {
 873			if (mMenuSearchView != null) {
 874				mMenuSearchView.expandActionView();
 875				mSearchEditText.setText("");
 876				mSearchEditText.append(invite.getJid().toString());
 877				filter(invite.getJid().toString());
 878			} else {
 879				mInitialSearchValue.push(invite.getJid().toString());
 880			}
 881			return true;
 882		}
 883	}
 884
 885	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 886		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 887		builder.setTitle(R.string.verify_omemo_keys);
 888		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 889		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 890		TextView warning = view.findViewById(R.id.warning);
 891		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 892		builder.setView(view);
 893		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 894			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 895				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 896			}
 897			switchToConversationDoNotAppend(contact, invite.getBody());
 898		});
 899		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 900		AlertDialog dialog = builder.create();
 901		dialog.setCanceledOnTouchOutside(false);
 902		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 903		dialog.show();
 904	}
 905
 906	protected void filter(String needle) {
 907		if (xmppConnectionServiceBound) {
 908			this.filterContacts(needle);
 909			this.filterConferences(needle);
 910		}
 911	}
 912
 913	protected void filterContacts(String needle) {
 914		this.contacts.clear();
 915		final List<Account> accounts = xmppConnectionService.getAccounts();
 916		for (Account account : accounts) {
 917			if (account.getStatus() != Account.State.DISABLED) {
 918				for (Contact contact : account.getRoster().getContacts()) {
 919					Presence.Status s = contact.getShownStatus();
 920					if (contact.showInContactList() && contact.match(this, needle)
 921							&& (!this.mHideOfflineContacts
 922							|| (needle != null && !needle.trim().isEmpty())
 923							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 924						this.contacts.add(contact);
 925					}
 926				}
 927			}
 928		}
 929		Collections.sort(this.contacts);
 930		mContactsAdapter.notifyDataSetChanged();
 931	}
 932
 933	protected void filterConferences(String needle) {
 934		this.conferences.clear();
 935		for (Account account : xmppConnectionService.getAccounts()) {
 936			if (account.getStatus() != Account.State.DISABLED) {
 937				for (Bookmark bookmark : account.getBookmarks()) {
 938					if (bookmark.match(this, needle)) {
 939						this.conferences.add(bookmark);
 940					}
 941				}
 942			}
 943		}
 944		Collections.sort(this.conferences);
 945		mConferenceAdapter.notifyDataSetChanged();
 946	}
 947
 948	@Override
 949	public void OnUpdateBlocklist(final Status status) {
 950		refreshUi();
 951	}
 952
 953	@Override
 954	protected void refreshUiReal() {
 955		if (mSearchEditText != null) {
 956			filter(mSearchEditText.getText().toString());
 957		}
 958		configureHomeButton();
 959		if (QuickConversationsService.isQuicksy()) {
 960			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 961		}
 962	}
 963
 964	@Override
 965	public void onBackPressed() {
 966		if (binding.speedDial.isOpen()) {
 967			binding.speedDial.close();
 968			return;
 969		}
 970		navigateBack();
 971	}
 972
 973	private void navigateBack() {
 974		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 975			Intent intent = new Intent(this, ConversationsActivity.class);
 976			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 977			startActivity(intent);
 978		}
 979		finish();
 980	}
 981
 982	@Override
 983	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 984		if (!xmppConnectionServiceBound) {
 985			return;
 986		}
 987		final Account account = getSelectedAccount(this, spinner);
 988		if (account == null) {
 989			return;
 990		}
 991		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 992		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 993		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 994		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 995		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 996		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 997		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 998	}
 999
1000	@Override
1001	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1002		if (!xmppConnectionServiceBound) {
1003			return;
1004		}
1005		final Account account = getSelectedAccount(this, spinner);
1006		if (account == null) {
1007			return;
1008		}
1009		final Jid conferenceJid;
1010		try {
1011			conferenceJid = Jid.of(jid.getText().toString());
1012		} catch (final IllegalArgumentException e) {
1013			jid.setError(getString(R.string.invalid_jid));
1014			return;
1015		}
1016
1017		if (isBookmarkChecked) {
1018			if (account.hasBookmarkFor(conferenceJid)) {
1019				jid.setError(getString(R.string.bookmark_already_exists));
1020			} else {
1021				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1022				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1023				String nick = conferenceJid.getResource();
1024				if (nick != null && !nick.isEmpty()) {
1025					bookmark.setNick(nick);
1026				}
1027				account.getBookmarks().add(bookmark);
1028				xmppConnectionService.pushBookmarks(account);
1029				final Conversation conversation = xmppConnectionService
1030						.findOrCreateConversation(account, conferenceJid, true, true, true);
1031				bookmark.setConversation(conversation);
1032				dialog.dismiss();
1033				switchToConversation(conversation);
1034			}
1035		} else {
1036			final Conversation conversation = xmppConnectionService
1037					.findOrCreateConversation(account, conferenceJid, true, true, true);
1038			dialog.dismiss();
1039			switchToConversation(conversation);
1040		}
1041	}
1042
1043	@Override
1044	public void onConversationUpdate() {
1045		refreshUi();
1046	}
1047
1048	@Override
1049	public void onRefresh() {
1050		Log.d(Config.LOGTAG,"user requested to refresh");
1051		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1052			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1053		}
1054	}
1055
1056
1057	private void setRefreshing(boolean refreshing) {
1058		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1059		if (fragment != null) {
1060			fragment.setRefreshing(refreshing);
1061		}
1062	}
1063
1064	@Override
1065	public void onCreatePublicChannel(Account account, String name, Jid address) {
1066		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1067		mToast.show();
1068		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1069			@Override
1070			public void success(Conversation conversation) {
1071				runOnUiThread(() -> {
1072					hideToast();
1073					switchToConversation(conversation);
1074				});
1075
1076			}
1077
1078			@Override
1079			public void error(int errorCode, Conversation conversation) {
1080				runOnUiThread(() -> {
1081					replaceToast(getString(errorCode));
1082					switchToConversation(conversation);
1083				});
1084			}
1085
1086			@Override
1087			public void userInputRequried(PendingIntent pi, Conversation object) {
1088
1089			}
1090		});
1091	}
1092
1093	public static class MyListFragment extends SwipeRefreshListFragment {
1094		private AdapterView.OnItemClickListener mOnItemClickListener;
1095		private int mResContextMenu;
1096
1097		public void setContextMenu(final int res) {
1098			this.mResContextMenu = res;
1099		}
1100
1101		@Override
1102		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1103			if (mOnItemClickListener != null) {
1104				mOnItemClickListener.onItemClick(l, v, position, id);
1105			}
1106		}
1107
1108		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1109			this.mOnItemClickListener = l;
1110		}
1111
1112		@Override
1113		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1114			super.onViewCreated(view, savedInstanceState);
1115			registerForContextMenu(getListView());
1116			getListView().setFastScrollEnabled(true);
1117			getListView().setDivider(null);
1118			getListView().setDividerHeight(0);
1119		}
1120
1121		@Override
1122		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1123			super.onCreateContextMenu(menu, v, menuInfo);
1124			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1125			if (activity == null) {
1126				return;
1127			}
1128			activity.getMenuInflater().inflate(mResContextMenu, menu);
1129			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1130			if (mResContextMenu == R.menu.conference_context) {
1131				activity.conference_context_id = acmi.position;
1132			} else if (mResContextMenu == R.menu.contact_context) {
1133				activity.contact_context_id = acmi.position;
1134				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1135				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1136				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1137				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1138				if (contact.isSelf()) {
1139					showContactDetailsItem.setVisible(false);
1140				}
1141				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1142				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1143				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1144					if (contact.isBlocked()) {
1145						blockUnblockItem.setTitle(R.string.unblock_contact);
1146					} else {
1147						blockUnblockItem.setTitle(R.string.block_contact);
1148					}
1149				} else {
1150					blockUnblockItem.setVisible(false);
1151				}
1152			}
1153		}
1154
1155		@Override
1156		public boolean onContextItemSelected(final MenuItem item) {
1157			StartConversationActivity activity = (StartConversationActivity) getActivity();
1158			if (activity == null) {
1159				return true;
1160			}
1161			switch (item.getItemId()) {
1162				case R.id.context_contact_details:
1163					activity.openDetailsForContact();
1164					break;
1165				case R.id.context_show_qr:
1166					activity.showQrForContact();
1167					break;
1168				case R.id.context_contact_block_unblock:
1169					activity.toggleContactBlock();
1170					break;
1171				case R.id.context_delete_contact:
1172					activity.deleteContact();
1173					break;
1174				case R.id.context_share_uri:
1175					activity.shareBookmarkUri();
1176					break;
1177				case R.id.context_delete_conference:
1178					activity.deleteConference();
1179			}
1180			return true;
1181		}
1182	}
1183
1184	public class ListPagerAdapter extends PagerAdapter {
1185		private final FragmentManager fragmentManager;
1186		private final MyListFragment[] fragments;
1187
1188		ListPagerAdapter(FragmentManager fm) {
1189			fragmentManager = fm;
1190			fragments = new MyListFragment[2];
1191		}
1192
1193		public void requestFocus(int pos) {
1194			if (fragments.length > pos) {
1195				fragments[pos].getListView().requestFocus();
1196			}
1197		}
1198
1199		@Override
1200		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1201			FragmentTransaction trans = fragmentManager.beginTransaction();
1202			trans.remove(fragments[position]);
1203			trans.commit();
1204			fragments[position] = null;
1205		}
1206
1207		@NonNull
1208		@Override
1209		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1210			final Fragment fragment = getItem(position);
1211			final FragmentTransaction trans = fragmentManager.beginTransaction();
1212			trans.add(container.getId(), fragment, "fragment:" + position);
1213			try {
1214				trans.commit();
1215			} catch (IllegalStateException e) {
1216				//ignore
1217			}
1218			return fragment;
1219		}
1220
1221		@Override
1222		public int getCount() {
1223			return fragments.length;
1224		}
1225
1226		@Override
1227		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1228			return ((Fragment) fragment).getView() == view;
1229		}
1230
1231		@Nullable
1232		@Override
1233		public CharSequence getPageTitle(int position) {
1234			switch (position) {
1235				case 0:
1236					return getResources().getString(R.string.contacts);
1237				case 1:
1238					return getResources().getString(R.string.bookmarks);
1239				default:
1240					return super.getPageTitle(position);
1241			}
1242		}
1243
1244		Fragment getItem(int position) {
1245			if (fragments[position] == null) {
1246				final MyListFragment listFragment = new MyListFragment();
1247				if (position == 1) {
1248					listFragment.setListAdapter(mConferenceAdapter);
1249					listFragment.setContextMenu(R.menu.conference_context);
1250					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1251				} else {
1252					listFragment.setListAdapter(mContactsAdapter);
1253					listFragment.setContextMenu(R.menu.contact_context);
1254					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1255					if (QuickConversationsService.isQuicksy()) {
1256						listFragment.setOnRefreshListener(StartConversationActivity.this);
1257					}
1258				}
1259				fragments[position] = listFragment;
1260			}
1261			return fragments[position];
1262		}
1263	}
1264
1265	public static void addInviteUri(Intent to, Intent from) {
1266		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1267			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1268		}
1269	}
1270
1271	private class Invite extends XmppUri {
1272
1273		public String account;
1274
1275		public Invite(final Uri uri) {
1276			super(uri);
1277		}
1278
1279		public Invite(final String uri) {
1280			super(uri);
1281		}
1282
1283		public Invite(Uri uri, boolean safeSource) {
1284			super(uri, safeSource);
1285		}
1286
1287		boolean invite() {
1288			if (!isJidValid()) {
1289				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1290				return false;
1291			}
1292			if (getJid() != null) {
1293				return handleJid(this);
1294			}
1295			return false;
1296		}
1297	}
1298}