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