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.MucOptions;
  66import eu.siacs.conversations.entities.Presence;
  67import eu.siacs.conversations.services.QuickConversationsService;
  68import eu.siacs.conversations.services.XmppConnectionService;
  69import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  70import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  71import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  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.ui.widget.SwipeRefreshListFragment;
  77import eu.siacs.conversations.utils.AccountUtils;
  78import eu.siacs.conversations.utils.XmppUri;
  79import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  80import eu.siacs.conversations.xmpp.XmppConnection;
  81import rocks.xmpp.addr.Jid;
  82
  83public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  84
  85	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  86
  87	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  88	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  89	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  90	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  91	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  92	public int conference_context_id;
  93	public int contact_context_id;
  94	private ListPagerAdapter mListPagerAdapter;
  95	private List<ListItem> contacts = new ArrayList<>();
  96	private ListItemAdapter mContactsAdapter;
  97	private List<ListItem> conferences = new ArrayList<>();
  98	private ListItemAdapter mConferenceAdapter;
  99	private List<String> mActivatedAccounts = new ArrayList<>();
 100	private EditText mSearchEditText;
 101	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 102	private AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 103	private boolean mHideOfflineContacts = false;
 104	private boolean createdByViewIntent = false;
 105	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 106
 107		@Override
 108		public boolean onMenuItemActionExpand(MenuItem item) {
 109			mSearchEditText.post(() -> {
 110				updateSearchViewHint();
 111				mSearchEditText.requestFocus();
 112				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 113					return;
 114				}
 115				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 116				if (imm != null) {
 117					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 118				}
 119			});
 120			if (binding.speedDial.isOpen()) {
 121				binding.speedDial.close();
 122			}
 123			return true;
 124		}
 125
 126		@Override
 127		public boolean onMenuItemActionCollapse(MenuItem item) {
 128			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 129			mSearchEditText.setText("");
 130			filter(null);
 131			return true;
 132		}
 133	};
 134	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 135
 136		@Override
 137		public void afterTextChanged(Editable editable) {
 138			filter(editable.toString());
 139		}
 140
 141		@Override
 142		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 143		}
 144
 145		@Override
 146		public void onTextChanged(CharSequence s, int start, int before, int count) {
 147		}
 148	};
 149	private MenuItem mMenuSearchView;
 150	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 151		@Override
 152		public void onTagClicked(String tag) {
 153			if (mMenuSearchView != null) {
 154				mMenuSearchView.expandActionView();
 155				mSearchEditText.setText("");
 156				mSearchEditText.append(tag);
 157				filter(tag);
 158			}
 159		}
 160	};
 161	private Pair<Integer, Intent> mPostponedActivityResult;
 162	private Toast mToast;
 163	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 164		@Override
 165		public void success(final Conversation conversation) {
 166			runOnUiThread(() -> {
 167				hideToast();
 168				switchToConversation(conversation);
 169			});
 170		}
 171
 172		@Override
 173		public void error(final int errorCode, Conversation object) {
 174			runOnUiThread(() -> replaceToast(getString(errorCode)));
 175		}
 176
 177		@Override
 178		public void userInputRequired(PendingIntent pi, Conversation object) {
 179
 180		}
 181	};
 182	private ActivityStartConversationBinding binding;
 183	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 184		@Override
 185		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 186			int pos = binding.startConversationViewPager.getCurrentItem();
 187			if (pos == 0) {
 188				if (contacts.size() == 1) {
 189					openConversationForContact((Contact) contacts.get(0));
 190					return true;
 191				} else if (contacts.size() == 0 && conferences.size() == 1) {
 192					openConversationsForBookmark((Bookmark) conferences.get(0));
 193					return true;
 194				}
 195			} else {
 196				if (conferences.size() == 1) {
 197					openConversationsForBookmark((Bookmark) conferences.get(0));
 198					return true;
 199				} else if (conferences.size() == 0 && contacts.size() == 1) {
 200					openConversationForContact((Contact) contacts.get(0));
 201					return true;
 202				}
 203			}
 204			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 205			mListPagerAdapter.requestFocus(pos);
 206			return true;
 207		}
 208	};
 209
 210	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 211		if (accounts.size() > 0) {
 212			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 213			adapter.setDropDownViewResource(R.layout.simple_list_item);
 214			spinner.setAdapter(adapter);
 215			spinner.setEnabled(true);
 216		} else {
 217			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 218					R.layout.simple_list_item,
 219					Collections.singletonList(context.getString(R.string.no_accounts)));
 220			adapter.setDropDownViewResource(R.layout.simple_list_item);
 221			spinner.setAdapter(adapter);
 222			spinner.setEnabled(false);
 223		}
 224	}
 225
 226	public static void launch(Context context) {
 227		final Intent intent = new Intent(context, StartConversationActivity.class);
 228		context.startActivity(intent);
 229	}
 230
 231	private static Intent createLauncherIntent(Context context) {
 232		final Intent intent = new Intent(context, StartConversationActivity.class);
 233		intent.setAction(Intent.ACTION_MAIN);
 234		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 235		return intent;
 236	}
 237
 238	private static boolean isViewIntent(final Intent i) {
 239		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 240	}
 241
 242	protected void hideToast() {
 243		if (mToast != null) {
 244			mToast.cancel();
 245		}
 246	}
 247
 248	protected void replaceToast(String msg) {
 249		hideToast();
 250		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 251		mToast.show();
 252	}
 253
 254	@Override
 255	public void onRosterUpdate() {
 256		this.refreshUi();
 257	}
 258
 259	@Override
 260	public void onCreate(Bundle savedInstanceState) {
 261		super.onCreate(savedInstanceState);
 262		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 263		Toolbar toolbar = (Toolbar) binding.toolbar;
 264		setSupportActionBar(toolbar);
 265		configureActionBar(getSupportActionBar());
 266
 267		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 268
 269		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 270		binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 271			@Override
 272			public void onPageSelected(int position) {
 273				updateSearchViewHint();
 274			}
 275		});
 276		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 277		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 278
 279		mConferenceAdapter = new ListItemAdapter(this, conferences);
 280		mContactsAdapter = new ListItemAdapter(this, contacts);
 281		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 282
 283		final SharedPreferences preferences = getPreferences();
 284
 285		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 286
 287		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 288
 289		final Intent intent;
 290		if (savedInstanceState == null) {
 291			intent = getIntent();
 292		} else {
 293			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 294			final String search = savedInstanceState.getString("search");
 295			if (search != null) {
 296				mInitialSearchValue.push(search);
 297			}
 298			intent = savedInstanceState.getParcelable("intent");
 299		}
 300
 301		if (isViewIntent(intent)) {
 302			pendingViewIntent.push(intent);
 303			createdByViewIntent = true;
 304			setIntent(createLauncherIntent(this));
 305		} else if (startSearching && mInitialSearchValue.peek() == null) {
 306			mInitialSearchValue.push("");
 307		}
 308		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 309		mOpenedFab.set(savedInstanceState != null && savedInstanceState.getBoolean("opened_fab",false));
 310		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 311			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 312			final String prefilled;
 313			if (isValidJid(searchString)) {
 314				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 315			} else {
 316				prefilled = null;
 317			}
 318			switch (actionItem.getId()) {
 319				case R.id.discover_public_channels:
 320					startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 321					break;
 322				case R.id.join_public_channel:
 323					showJoinConferenceDialog(prefilled);
 324					break;
 325				case R.id.create_private_group_chat:
 326					showCreatePrivateGroupChatDialog();
 327					break;
 328				case R.id.create_public_channel:
 329					showPublicChannelDialog();
 330					break;
 331				case R.id.create_contact:
 332					showCreateContactDialog(prefilled,null);
 333					break;
 334			}
 335			return false;
 336		});
 337	}
 338
 339	public static boolean isValidJid(String input) {
 340		try {
 341			Jid jid = Jid.ofEscaped(input);
 342			return !jid.isDomainJid();
 343		} catch (IllegalArgumentException e) {
 344			return false;
 345		}
 346	}
 347
 348	@Override
 349	public void onSaveInstanceState(Bundle savedInstanceState) {
 350		Intent pendingIntent = pendingViewIntent.peek();
 351		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 352		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 353		savedInstanceState.putBoolean("opened_fab",mOpenedFab.get());
 354		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 355		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 356			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 357		}
 358		super.onSaveInstanceState(savedInstanceState);
 359	}
 360
 361	@Override
 362	public void onStart() {
 363		super.onStart();
 364		final int theme = findTheme();
 365		if (this.mTheme != theme) {
 366			recreate();
 367		} else {
 368			if (pendingViewIntent.peek() == null) {
 369				askForContactsPermissions();
 370			}
 371		}
 372		mConferenceAdapter.refreshSettings();
 373		mContactsAdapter.refreshSettings();
 374	}
 375
 376	@Override
 377	public void onNewIntent(final Intent intent) {
 378		if (xmppConnectionServiceBound) {
 379			processViewIntent(intent);
 380		} else {
 381			pendingViewIntent.push(intent);
 382		}
 383		setIntent(createLauncherIntent(this));
 384	}
 385
 386	protected void openConversationForContact(int position) {
 387		Contact contact = (Contact) contacts.get(position);
 388		openConversationForContact(contact);
 389	}
 390
 391	protected void openConversationForContact(Contact contact) {
 392		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 393		SoftKeyboardUtils.hideSoftKeyboard(this);
 394		switchToConversation(conversation);
 395	}
 396
 397	protected void openConversationForBookmark(int position) {
 398		Bookmark bookmark = (Bookmark) conferences.get(position);
 399		openConversationsForBookmark(bookmark);
 400	}
 401
 402	protected void shareBookmarkUri() {
 403		shareBookmarkUri(conference_context_id);
 404	}
 405
 406	protected void shareBookmarkUri(int position) {
 407		Bookmark bookmark = (Bookmark) conferences.get(position);
 408		Intent shareIntent = new Intent();
 409		shareIntent.setAction(Intent.ACTION_SEND);
 410		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 411		shareIntent.setType("text/plain");
 412		try {
 413			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 414		} catch (ActivityNotFoundException e) {
 415			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 416		}
 417	}
 418
 419	protected void openConversationsForBookmark(Bookmark bookmark) {
 420		final Jid jid = bookmark.getFullJid();
 421		if (jid == null) {
 422			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 423			return;
 424		}
 425		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 426		bookmark.setConversation(conversation);
 427		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 428			bookmark.setAutojoin(true);
 429			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 430		}
 431		SoftKeyboardUtils.hideSoftKeyboard(this);
 432		switchToConversation(conversation);
 433	}
 434
 435	protected void openDetailsForContact() {
 436		int position = contact_context_id;
 437		Contact contact = (Contact) contacts.get(position);
 438		switchToContactDetails(contact);
 439	}
 440
 441	protected void showQrForContact() {
 442		int position = contact_context_id;
 443		Contact contact = (Contact) contacts.get(position);
 444		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 445	}
 446
 447	protected void toggleContactBlock() {
 448		final int position = contact_context_id;
 449		BlockContactDialog.show(this, (Contact) contacts.get(position));
 450	}
 451
 452	protected void deleteContact() {
 453		final int position = contact_context_id;
 454		final Contact contact = (Contact) contacts.get(position);
 455		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 456		builder.setNegativeButton(R.string.cancel, null);
 457		builder.setTitle(R.string.action_delete_contact);
 458		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 459		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 460			xmppConnectionService.deleteContactOnServer(contact);
 461			filter(mSearchEditText.getText().toString());
 462		});
 463		builder.create().show();
 464	}
 465
 466	protected void deleteConference() {
 467		int position = conference_context_id;
 468		final Bookmark bookmark = (Bookmark) conferences.get(position);
 469
 470		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 471		builder.setNegativeButton(R.string.cancel, null);
 472		builder.setTitle(R.string.delete_bookmark);
 473		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 474		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 475			bookmark.setConversation(null);
 476			Account account = bookmark.getAccount();
 477			account.getBookmarks().remove(bookmark);
 478			xmppConnectionService.pushBookmarks(account);
 479			filter(mSearchEditText.getText().toString());
 480		});
 481		builder.create().show();
 482
 483	}
 484
 485	@SuppressLint("InflateParams")
 486	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 487		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 488		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 489		if (prev != null) {
 490			ft.remove(prev);
 491		}
 492		ft.addToBackStack(null);
 493		EnterJidDialog dialog = EnterJidDialog.newInstance(
 494				mActivatedAccounts,
 495				getString(R.string.add_contact),
 496				getString(R.string.add),
 497				prefilledJid,
 498				null,
 499				invite == null || !invite.hasFingerprints(),
 500				true
 501		);
 502
 503		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 504			if (!xmppConnectionServiceBound) {
 505				return false;
 506			}
 507
 508			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 509			if (account == null) {
 510				return true;
 511			}
 512
 513			final Contact contact = account.getRoster().getContact(contactJid);
 514			if (invite != null && invite.getName() != null) {
 515				contact.setServerName(invite.getName());
 516			}
 517			if (contact.isSelf()) {
 518				switchToConversation(contact);
 519				return true;
 520			} else if (contact.showInRoster()) {
 521				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 522			} else {
 523				xmppConnectionService.createContact(contact, true);
 524				if (invite != null && invite.hasFingerprints()) {
 525					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 526				}
 527				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 528				return true;
 529			}
 530		});
 531		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 532	}
 533
 534	@SuppressLint("InflateParams")
 535	protected void showJoinConferenceDialog(final String prefilledJid) {
 536		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 537		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 538		if (prev != null) {
 539			ft.remove(prev);
 540		}
 541		ft.addToBackStack(null);
 542		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 543		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 544	}
 545
 546	private void showCreatePrivateGroupChatDialog() {
 547		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 548		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 549		if (prev != null) {
 550			ft.remove(prev);
 551		}
 552		ft.addToBackStack(null);
 553		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 554		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 555	}
 556
 557	private void showPublicChannelDialog() {
 558		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 559		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 560		if (prev != null) {
 561			ft.remove(prev);
 562		}
 563		ft.addToBackStack(null);
 564		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 565		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 566	}
 567
 568	public static Account getSelectedAccount(Context context, Spinner spinner) {
 569		if (spinner == null || !spinner.isEnabled()) {
 570			return null;
 571		}
 572		if (context instanceof XmppActivity) {
 573			Jid jid;
 574			try {
 575				if (Config.DOMAIN_LOCK != null) {
 576					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 577				} else {
 578					jid = Jid.of((String) spinner.getSelectedItem());
 579				}
 580			} catch (final IllegalArgumentException e) {
 581				return null;
 582			}
 583			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 584			if (service == null) {
 585				return null;
 586			}
 587			return service.findAccountByJid(jid);
 588		} else {
 589			return null;
 590		}
 591	}
 592
 593	protected void switchToConversation(Contact contact) {
 594		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 595		switchToConversation(conversation);
 596	}
 597
 598	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 599		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 600		switchToConversationDoNotAppend(conversation, body);
 601	}
 602
 603	@Override
 604	public void invalidateOptionsMenu() {
 605		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 606		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 607		if (isExpanded) {
 608			mInitialSearchValue.push(text);
 609			oneShotKeyboardSuppress.set(true);
 610		}
 611		super.invalidateOptionsMenu();
 612	}
 613
 614	private void updateSearchViewHint() {
 615		if (binding == null || mSearchEditText == null) {
 616			return;
 617		}
 618		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 619			mSearchEditText.setHint(R.string.search_contacts);
 620		} else {
 621			mSearchEditText.setHint(R.string.search_bookmarks);
 622		}
 623	}
 624
 625	@Override
 626	public boolean onCreateOptionsMenu(Menu menu) {
 627		getMenuInflater().inflate(R.menu.start_conversation, menu);
 628		AccountUtils.showHideMenuItems(menu);
 629		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 630		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 631		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 632		if (QuickConversationsService.isQuicksy()) {
 633			menuHideOffline.setVisible(false);
 634		} else {
 635			menuHideOffline.setVisible(true);
 636			menuHideOffline.setChecked(this.mHideOfflineContacts);
 637		}
 638		mMenuSearchView = menu.findItem(R.id.action_search);
 639		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 640		View mSearchView = mMenuSearchView.getActionView();
 641		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 642		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 643		mSearchEditText.setOnEditorActionListener(mSearchDone);
 644		String initialSearchValue = mInitialSearchValue.pop();
 645		if (initialSearchValue != null) {
 646			mMenuSearchView.expandActionView();
 647			mSearchEditText.append(initialSearchValue);
 648			filter(initialSearchValue);
 649		}
 650		updateSearchViewHint();
 651		return super.onCreateOptionsMenu(menu);
 652	}
 653
 654	@Override
 655	public boolean onOptionsItemSelected(MenuItem item) {
 656		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 657			return false;
 658		}
 659		switch (item.getItemId()) {
 660			case android.R.id.home:
 661				navigateBack();
 662				return true;
 663			case R.id.action_scan_qr_code:
 664				UriHandlerActivity.scan(this);
 665				return true;
 666			case R.id.action_hide_offline:
 667				mHideOfflineContacts = !item.isChecked();
 668				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 669				if (mSearchEditText != null) {
 670					filter(mSearchEditText.getText().toString());
 671				}
 672				invalidateOptionsMenu();
 673		}
 674		return super.onOptionsItemSelected(item);
 675	}
 676
 677	@Override
 678	public boolean onKeyUp(int keyCode, KeyEvent event) {
 679		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 680			openSearch();
 681			return true;
 682		}
 683		int c = event.getUnicodeChar();
 684		if (c > 32) {
 685			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 686				openSearch();
 687				mSearchEditText.append(Character.toString((char) c));
 688				return true;
 689			}
 690		}
 691		return super.onKeyUp(keyCode, event);
 692	}
 693
 694	private void openSearch() {
 695		if (mMenuSearchView != null) {
 696			mMenuSearchView.expandActionView();
 697		}
 698	}
 699
 700	@Override
 701	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 702		if (resultCode == RESULT_OK) {
 703			if (xmppConnectionServiceBound) {
 704				this.mPostponedActivityResult = null;
 705				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 706					Account account = extractAccount(intent);
 707					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 708					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 709					if (account != null && jids.size() > 0) {
 710						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 711							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 712							mToast.show();
 713						}
 714					}
 715				}
 716			} else {
 717				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 718			}
 719		}
 720		super.onActivityResult(requestCode, requestCode, intent);
 721	}
 722
 723	private void askForContactsPermissions() {
 724		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 725			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 726				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 727					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 728						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 729						builder.setTitle(R.string.sync_with_contacts);
 730						if (QuickConversationsService.isQuicksy()) {
 731							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 732                        } else {
 733                            builder.setMessage(R.string.sync_with_contacts_long);
 734                        }
 735						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 736						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 737						builder.setCancelable(false);
 738						AlertDialog dialog = builder.create();
 739						dialog.setCanceledOnTouchOutside(false);
 740						dialog.setOnShowListener(dialogInterface -> {
 741							final TextView tv =  dialog.findViewById(android.R.id.message);
 742							if (tv != null) {
 743								tv.setMovementMethod(LinkMovementMethod.getInstance());
 744							}
 745						});
 746						dialog.show();
 747					} else {
 748						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 749					}
 750				}
 751			}
 752		}
 753	}
 754
 755	@Override
 756	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 757		if (grantResults.length > 0)
 758			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 759				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 760				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 761					if (QuickConversationsService.isQuicksy()) {
 762						setRefreshing(true);
 763					}
 764					xmppConnectionService.loadPhoneContacts();
 765					xmppConnectionService.startContactObserver();
 766				}
 767			}
 768	}
 769
 770	private void configureHomeButton() {
 771		final ActionBar actionBar = getSupportActionBar();
 772		if (actionBar == null) {
 773			return;
 774		}
 775		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 776		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 777		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 778
 779	}
 780
 781	@Override
 782	protected void onBackendConnected() {
 783
 784		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 785			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 786		}
 787		if (mPostponedActivityResult != null) {
 788			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 789			this.mPostponedActivityResult = null;
 790		}
 791		this.mActivatedAccounts.clear();
 792		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 793		configureHomeButton();
 794		Intent intent = pendingViewIntent.pop();
 795		if (intent != null && processViewIntent(intent)) {
 796			filter(null);
 797		} else {
 798			if (mSearchEditText != null) {
 799				filter(mSearchEditText.getText().toString());
 800			} else {
 801				filter(null);
 802			}
 803		}
 804		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 805		if (fragment instanceof OnBackendConnected) {
 806			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 807			((OnBackendConnected) fragment).onBackendConnected();
 808		}
 809		if (QuickConversationsService.isQuicksy()) {
 810			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 811		}
 812		if (QuickConversationsService.isConversations() && AccountUtils.hasEnabledAccounts(xmppConnectionService) && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false,true)) {
 813			binding.speedDial.open();
 814		}
 815	}
 816
 817	protected boolean processViewIntent(@NonNull Intent intent) {
 818		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 819		if (inviteUri != null) {
 820			Invite invite = new Invite(inviteUri);
 821			if (invite.isJidValid()) {
 822				return invite.invite();
 823			}
 824		}
 825		final String action = intent.getAction();
 826		if (action == null) {
 827			return false;
 828		}
 829		switch (action) {
 830			case Intent.ACTION_SENDTO:
 831			case Intent.ACTION_VIEW:
 832				Uri uri = intent.getData();
 833				if (uri != null) {
 834					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 835					invite.account = intent.getStringExtra("account");
 836					return invite.invite();
 837				} else {
 838					return false;
 839				}
 840		}
 841		return false;
 842	}
 843
 844	private boolean handleJid(Invite invite) {
 845		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 846		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 847			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 848			if (muc != null) {
 849				switchToConversationDoNotAppend(muc, invite.getBody());
 850				return true;
 851			} else {
 852				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 853				return false;
 854			}
 855		} else if (contacts.size() == 0) {
 856			showCreateContactDialog(invite.getJid().toString(), invite);
 857			return false;
 858		} else if (contacts.size() == 1) {
 859			Contact contact = contacts.get(0);
 860			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 861				displayVerificationWarningDialog(contact, invite);
 862			} else {
 863				if (invite.hasFingerprints()) {
 864					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 865						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 866					}
 867				}
 868				if (invite.account != null) {
 869					xmppConnectionService.getShortcutService().report(contact);
 870				}
 871				switchToConversationDoNotAppend(contact, invite.getBody());
 872			}
 873			return true;
 874		} else {
 875			if (mMenuSearchView != null) {
 876				mMenuSearchView.expandActionView();
 877				mSearchEditText.setText("");
 878				mSearchEditText.append(invite.getJid().toString());
 879				filter(invite.getJid().toString());
 880			} else {
 881				mInitialSearchValue.push(invite.getJid().toString());
 882			}
 883			return true;
 884		}
 885	}
 886
 887	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 888		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 889		builder.setTitle(R.string.verify_omemo_keys);
 890		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 891		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 892		TextView warning = view.findViewById(R.id.warning);
 893		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 894		builder.setView(view);
 895		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 896			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 897				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 898			}
 899			switchToConversationDoNotAppend(contact, invite.getBody());
 900		});
 901		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 902		AlertDialog dialog = builder.create();
 903		dialog.setCanceledOnTouchOutside(false);
 904		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 905		dialog.show();
 906	}
 907
 908	protected void filter(String needle) {
 909		if (xmppConnectionServiceBound) {
 910			this.filterContacts(needle);
 911			this.filterConferences(needle);
 912		}
 913	}
 914
 915	protected void filterContacts(String needle) {
 916		this.contacts.clear();
 917		final List<Account> accounts = xmppConnectionService.getAccounts();
 918		for (Account account : accounts) {
 919			if (account.getStatus() != Account.State.DISABLED) {
 920				for (Contact contact : account.getRoster().getContacts()) {
 921					Presence.Status s = contact.getShownStatus();
 922					if (contact.showInContactList() && contact.match(this, needle)
 923							&& (!this.mHideOfflineContacts
 924							|| (needle != null && !needle.trim().isEmpty())
 925							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 926						this.contacts.add(contact);
 927					}
 928				}
 929			}
 930		}
 931		Collections.sort(this.contacts);
 932		mContactsAdapter.notifyDataSetChanged();
 933	}
 934
 935	protected void filterConferences(String needle) {
 936		this.conferences.clear();
 937		for (Account account : xmppConnectionService.getAccounts()) {
 938			if (account.getStatus() != Account.State.DISABLED) {
 939				for (Bookmark bookmark : account.getBookmarks()) {
 940					if (bookmark.match(this, needle)) {
 941						this.conferences.add(bookmark);
 942					}
 943				}
 944			}
 945		}
 946		Collections.sort(this.conferences);
 947		mConferenceAdapter.notifyDataSetChanged();
 948	}
 949
 950	@Override
 951	public void OnUpdateBlocklist(final Status status) {
 952		refreshUi();
 953	}
 954
 955	@Override
 956	protected void refreshUiReal() {
 957		if (mSearchEditText != null) {
 958			filter(mSearchEditText.getText().toString());
 959		}
 960		configureHomeButton();
 961		if (QuickConversationsService.isQuicksy()) {
 962			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 963		}
 964	}
 965
 966	@Override
 967	public void onBackPressed() {
 968		if (binding.speedDial.isOpen()) {
 969			binding.speedDial.close();
 970			return;
 971		}
 972		navigateBack();
 973	}
 974
 975	private void navigateBack() {
 976		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 977			Intent intent = new Intent(this, ConversationsActivity.class);
 978			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 979			startActivity(intent);
 980		}
 981		finish();
 982	}
 983
 984	@Override
 985	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 986		if (!xmppConnectionServiceBound) {
 987			return;
 988		}
 989		final Account account = getSelectedAccount(this, spinner);
 990		if (account == null) {
 991			return;
 992		}
 993		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 994		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 995		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 996		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 997		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 998		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 999		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1000	}
1001
1002	@Override
1003	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1004		if (!xmppConnectionServiceBound) {
1005			return;
1006		}
1007		final Account account = getSelectedAccount(this, spinner);
1008		if (account == null) {
1009			return;
1010		}
1011		final Jid conferenceJid;
1012		try {
1013			conferenceJid = Jid.of(jid.getText().toString());
1014		} catch (final IllegalArgumentException e) {
1015			jid.setError(getString(R.string.invalid_jid));
1016			return;
1017		}
1018
1019		if (isBookmarkChecked) {
1020			if (account.hasBookmarkFor(conferenceJid)) {
1021				jid.setError(getString(R.string.bookmark_already_exists));
1022			} else {
1023				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1024				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1025				final String nick = conferenceJid.getResource();
1026				if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1027					bookmark.setNick(nick);
1028				}
1029				account.getBookmarks().add(bookmark);
1030				xmppConnectionService.pushBookmarks(account);
1031				final Conversation conversation = xmppConnectionService
1032						.findOrCreateConversation(account, conferenceJid, true, true, true);
1033				bookmark.setConversation(conversation);
1034				dialog.dismiss();
1035				switchToConversation(conversation);
1036			}
1037		} else {
1038			final Conversation conversation = xmppConnectionService
1039					.findOrCreateConversation(account, conferenceJid, true, true, true);
1040			dialog.dismiss();
1041			switchToConversation(conversation);
1042		}
1043	}
1044
1045	@Override
1046	public void onConversationUpdate() {
1047		refreshUi();
1048	}
1049
1050	@Override
1051	public void onRefresh() {
1052		Log.d(Config.LOGTAG,"user requested to refresh");
1053		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1054			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1055		}
1056	}
1057
1058
1059	private void setRefreshing(boolean refreshing) {
1060		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1061		if (fragment != null) {
1062			fragment.setRefreshing(refreshing);
1063		}
1064	}
1065
1066	@Override
1067	public void onCreatePublicChannel(Account account, String name, Jid address) {
1068		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1069		mToast.show();
1070		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1071			@Override
1072			public void success(Conversation conversation) {
1073				runOnUiThread(() -> {
1074					hideToast();
1075					switchToConversation(conversation);
1076				});
1077
1078			}
1079
1080			@Override
1081			public void error(int errorCode, Conversation conversation) {
1082				runOnUiThread(() -> {
1083					replaceToast(getString(errorCode));
1084					switchToConversation(conversation);
1085				});
1086			}
1087
1088			@Override
1089			public void userInputRequired(PendingIntent pi, Conversation object) {
1090
1091			}
1092		});
1093	}
1094
1095	public static class MyListFragment extends SwipeRefreshListFragment {
1096		private AdapterView.OnItemClickListener mOnItemClickListener;
1097		private int mResContextMenu;
1098
1099		public void setContextMenu(final int res) {
1100			this.mResContextMenu = res;
1101		}
1102
1103		@Override
1104		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1105			if (mOnItemClickListener != null) {
1106				mOnItemClickListener.onItemClick(l, v, position, id);
1107			}
1108		}
1109
1110		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1111			this.mOnItemClickListener = l;
1112		}
1113
1114		@Override
1115		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1116			super.onViewCreated(view, savedInstanceState);
1117			registerForContextMenu(getListView());
1118			getListView().setFastScrollEnabled(true);
1119			getListView().setDivider(null);
1120			getListView().setDividerHeight(0);
1121		}
1122
1123		@Override
1124		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1125			super.onCreateContextMenu(menu, v, menuInfo);
1126			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1127			if (activity == null) {
1128				return;
1129			}
1130			activity.getMenuInflater().inflate(mResContextMenu, menu);
1131			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1132			if (mResContextMenu == R.menu.conference_context) {
1133				activity.conference_context_id = acmi.position;
1134			} else if (mResContextMenu == R.menu.contact_context) {
1135				activity.contact_context_id = acmi.position;
1136				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1137				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1138				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1139				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1140				if (contact.isSelf()) {
1141					showContactDetailsItem.setVisible(false);
1142				}
1143				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1144				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1145				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1146					if (contact.isBlocked()) {
1147						blockUnblockItem.setTitle(R.string.unblock_contact);
1148					} else {
1149						blockUnblockItem.setTitle(R.string.block_contact);
1150					}
1151				} else {
1152					blockUnblockItem.setVisible(false);
1153				}
1154			}
1155		}
1156
1157		@Override
1158		public boolean onContextItemSelected(final MenuItem item) {
1159			StartConversationActivity activity = (StartConversationActivity) getActivity();
1160			if (activity == null) {
1161				return true;
1162			}
1163			switch (item.getItemId()) {
1164				case R.id.context_contact_details:
1165					activity.openDetailsForContact();
1166					break;
1167				case R.id.context_show_qr:
1168					activity.showQrForContact();
1169					break;
1170				case R.id.context_contact_block_unblock:
1171					activity.toggleContactBlock();
1172					break;
1173				case R.id.context_delete_contact:
1174					activity.deleteContact();
1175					break;
1176				case R.id.context_share_uri:
1177					activity.shareBookmarkUri();
1178					break;
1179				case R.id.context_delete_conference:
1180					activity.deleteConference();
1181			}
1182			return true;
1183		}
1184	}
1185
1186	public class ListPagerAdapter extends PagerAdapter {
1187		private final FragmentManager fragmentManager;
1188		private final MyListFragment[] fragments;
1189
1190		ListPagerAdapter(FragmentManager fm) {
1191			fragmentManager = fm;
1192			fragments = new MyListFragment[2];
1193		}
1194
1195		public void requestFocus(int pos) {
1196			if (fragments.length > pos) {
1197				fragments[pos].getListView().requestFocus();
1198			}
1199		}
1200
1201		@Override
1202		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1203			FragmentTransaction trans = fragmentManager.beginTransaction();
1204			trans.remove(fragments[position]);
1205			trans.commit();
1206			fragments[position] = null;
1207		}
1208
1209		@NonNull
1210		@Override
1211		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1212			final Fragment fragment = getItem(position);
1213			final FragmentTransaction trans = fragmentManager.beginTransaction();
1214			trans.add(container.getId(), fragment, "fragment:" + position);
1215			try {
1216				trans.commit();
1217			} catch (IllegalStateException e) {
1218				//ignore
1219			}
1220			return fragment;
1221		}
1222
1223		@Override
1224		public int getCount() {
1225			return fragments.length;
1226		}
1227
1228		@Override
1229		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1230			return ((Fragment) fragment).getView() == view;
1231		}
1232
1233		@Nullable
1234		@Override
1235		public CharSequence getPageTitle(int position) {
1236			switch (position) {
1237				case 0:
1238					return getResources().getString(R.string.contacts);
1239				case 1:
1240					return getResources().getString(R.string.bookmarks);
1241				default:
1242					return super.getPageTitle(position);
1243			}
1244		}
1245
1246		Fragment getItem(int position) {
1247			if (fragments[position] == null) {
1248				final MyListFragment listFragment = new MyListFragment();
1249				if (position == 1) {
1250					listFragment.setListAdapter(mConferenceAdapter);
1251					listFragment.setContextMenu(R.menu.conference_context);
1252					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1253				} else {
1254					listFragment.setListAdapter(mContactsAdapter);
1255					listFragment.setContextMenu(R.menu.contact_context);
1256					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1257					if (QuickConversationsService.isQuicksy()) {
1258						listFragment.setOnRefreshListener(StartConversationActivity.this);
1259					}
1260				}
1261				fragments[position] = listFragment;
1262			}
1263			return fragments[position];
1264		}
1265	}
1266
1267	public static void addInviteUri(Intent to, Intent from) {
1268		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1269			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1270		}
1271	}
1272
1273	private class Invite extends XmppUri {
1274
1275		public String account;
1276
1277		public Invite(final Uri uri) {
1278			super(uri);
1279		}
1280
1281		public Invite(final String uri) {
1282			super(uri);
1283		}
1284
1285		public Invite(Uri uri, boolean safeSource) {
1286			super(uri, safeSource);
1287		}
1288
1289		boolean invite() {
1290			if (!isJidValid()) {
1291				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1292				return false;
1293			}
1294			if (getJid() != null) {
1295				return handleJid(this);
1296			}
1297			return false;
1298		}
1299	}
1300}