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		shareAsChannel(this, bookmark.getJid().asBareJid().toEscapedString());
 409	}
 410
 411	public static void shareAsChannel(final Context context, final String address) {
 412		Intent shareIntent = new Intent();
 413		shareIntent.setAction(Intent.ACTION_SEND);
 414		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + address + "?join");
 415		shareIntent.setType("text/plain");
 416		try {
 417			context.startActivity(Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 418		} catch (ActivityNotFoundException e) {
 419			Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 420		}
 421	}
 422
 423	protected void openConversationsForBookmark(Bookmark bookmark) {
 424		final Jid jid = bookmark.getFullJid();
 425		if (jid == null) {
 426			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 427			return;
 428		}
 429		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 430		bookmark.setConversation(conversation);
 431		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 432			bookmark.setAutojoin(true);
 433			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 434		}
 435		SoftKeyboardUtils.hideSoftKeyboard(this);
 436		switchToConversation(conversation);
 437	}
 438
 439	protected void openDetailsForContact() {
 440		int position = contact_context_id;
 441		Contact contact = (Contact) contacts.get(position);
 442		switchToContactDetails(contact);
 443	}
 444
 445	protected void showQrForContact() {
 446		int position = contact_context_id;
 447		Contact contact = (Contact) contacts.get(position);
 448		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 449	}
 450
 451	protected void toggleContactBlock() {
 452		final int position = contact_context_id;
 453		BlockContactDialog.show(this, (Contact) contacts.get(position));
 454	}
 455
 456	protected void deleteContact() {
 457		final int position = contact_context_id;
 458		final Contact contact = (Contact) contacts.get(position);
 459		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 460		builder.setNegativeButton(R.string.cancel, null);
 461		builder.setTitle(R.string.action_delete_contact);
 462		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 463		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 464			xmppConnectionService.deleteContactOnServer(contact);
 465			filter(mSearchEditText.getText().toString());
 466		});
 467		builder.create().show();
 468	}
 469
 470	protected void deleteConference() {
 471		int position = conference_context_id;
 472		final Bookmark bookmark = (Bookmark) conferences.get(position);
 473
 474		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 475		builder.setNegativeButton(R.string.cancel, null);
 476		builder.setTitle(R.string.delete_bookmark);
 477		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 478		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 479			bookmark.setConversation(null);
 480			Account account = bookmark.getAccount();
 481			account.getBookmarks().remove(bookmark);
 482			xmppConnectionService.pushBookmarks(account);
 483			filter(mSearchEditText.getText().toString());
 484		});
 485		builder.create().show();
 486
 487	}
 488
 489	@SuppressLint("InflateParams")
 490	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 491		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 492		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 493		if (prev != null) {
 494			ft.remove(prev);
 495		}
 496		ft.addToBackStack(null);
 497		EnterJidDialog dialog = EnterJidDialog.newInstance(
 498				mActivatedAccounts,
 499				getString(R.string.add_contact),
 500				getString(R.string.add),
 501				prefilledJid,
 502				null,
 503				invite == null || !invite.hasFingerprints(),
 504				true
 505		);
 506
 507		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 508			if (!xmppConnectionServiceBound) {
 509				return false;
 510			}
 511
 512			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 513			if (account == null) {
 514				return true;
 515			}
 516
 517			final Contact contact = account.getRoster().getContact(contactJid);
 518			if (invite != null && invite.getName() != null) {
 519				contact.setServerName(invite.getName());
 520			}
 521			if (contact.isSelf()) {
 522				switchToConversation(contact);
 523				return true;
 524			} else if (contact.showInRoster()) {
 525				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 526			} else {
 527				xmppConnectionService.createContact(contact, true);
 528				if (invite != null && invite.hasFingerprints()) {
 529					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 530				}
 531				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 532				return true;
 533			}
 534		});
 535		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 536	}
 537
 538	@SuppressLint("InflateParams")
 539	protected void showJoinConferenceDialog(final String prefilledJid) {
 540		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 541		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 542		if (prev != null) {
 543			ft.remove(prev);
 544		}
 545		ft.addToBackStack(null);
 546		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 547		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 548	}
 549
 550	private void showCreatePrivateGroupChatDialog() {
 551		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 552		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 553		if (prev != null) {
 554			ft.remove(prev);
 555		}
 556		ft.addToBackStack(null);
 557		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 558		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 559	}
 560
 561	private void showPublicChannelDialog() {
 562		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 563		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 564		if (prev != null) {
 565			ft.remove(prev);
 566		}
 567		ft.addToBackStack(null);
 568		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 569		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 570	}
 571
 572	public static Account getSelectedAccount(Context context, Spinner spinner) {
 573		if (spinner == null || !spinner.isEnabled()) {
 574			return null;
 575		}
 576		if (context instanceof XmppActivity) {
 577			Jid jid;
 578			try {
 579				if (Config.DOMAIN_LOCK != null) {
 580					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 581				} else {
 582					jid = Jid.of((String) spinner.getSelectedItem());
 583				}
 584			} catch (final IllegalArgumentException e) {
 585				return null;
 586			}
 587			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 588			if (service == null) {
 589				return null;
 590			}
 591			return service.findAccountByJid(jid);
 592		} else {
 593			return null;
 594		}
 595	}
 596
 597	protected void switchToConversation(Contact contact) {
 598		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 599		switchToConversation(conversation);
 600	}
 601
 602	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 603		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 604		switchToConversationDoNotAppend(conversation, body);
 605	}
 606
 607	@Override
 608	public void invalidateOptionsMenu() {
 609		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 610		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 611		if (isExpanded) {
 612			mInitialSearchValue.push(text);
 613			oneShotKeyboardSuppress.set(true);
 614		}
 615		super.invalidateOptionsMenu();
 616	}
 617
 618	private void updateSearchViewHint() {
 619		if (binding == null || mSearchEditText == null) {
 620			return;
 621		}
 622		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 623			mSearchEditText.setHint(R.string.search_contacts);
 624		} else {
 625			mSearchEditText.setHint(R.string.search_bookmarks);
 626		}
 627	}
 628
 629	@Override
 630	public boolean onCreateOptionsMenu(Menu menu) {
 631		getMenuInflater().inflate(R.menu.start_conversation, menu);
 632		AccountUtils.showHideMenuItems(menu);
 633		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 634		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 635		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 636		if (QuickConversationsService.isQuicksy()) {
 637			menuHideOffline.setVisible(false);
 638		} else {
 639			menuHideOffline.setVisible(true);
 640			menuHideOffline.setChecked(this.mHideOfflineContacts);
 641		}
 642		mMenuSearchView = menu.findItem(R.id.action_search);
 643		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 644		View mSearchView = mMenuSearchView.getActionView();
 645		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 646		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 647		mSearchEditText.setOnEditorActionListener(mSearchDone);
 648		String initialSearchValue = mInitialSearchValue.pop();
 649		if (initialSearchValue != null) {
 650			mMenuSearchView.expandActionView();
 651			mSearchEditText.append(initialSearchValue);
 652			filter(initialSearchValue);
 653		}
 654		updateSearchViewHint();
 655		return super.onCreateOptionsMenu(menu);
 656	}
 657
 658	@Override
 659	public boolean onOptionsItemSelected(MenuItem item) {
 660		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 661			return false;
 662		}
 663		switch (item.getItemId()) {
 664			case android.R.id.home:
 665				navigateBack();
 666				return true;
 667			case R.id.action_scan_qr_code:
 668				UriHandlerActivity.scan(this);
 669				return true;
 670			case R.id.action_hide_offline:
 671				mHideOfflineContacts = !item.isChecked();
 672				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 673				if (mSearchEditText != null) {
 674					filter(mSearchEditText.getText().toString());
 675				}
 676				invalidateOptionsMenu();
 677		}
 678		return super.onOptionsItemSelected(item);
 679	}
 680
 681	@Override
 682	public boolean onKeyUp(int keyCode, KeyEvent event) {
 683		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 684			openSearch();
 685			return true;
 686		}
 687		int c = event.getUnicodeChar();
 688		if (c > 32) {
 689			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 690				openSearch();
 691				mSearchEditText.append(Character.toString((char) c));
 692				return true;
 693			}
 694		}
 695		return super.onKeyUp(keyCode, event);
 696	}
 697
 698	private void openSearch() {
 699		if (mMenuSearchView != null) {
 700			mMenuSearchView.expandActionView();
 701		}
 702	}
 703
 704	@Override
 705	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 706		if (resultCode == RESULT_OK) {
 707			if (xmppConnectionServiceBound) {
 708				this.mPostponedActivityResult = null;
 709				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 710					Account account = extractAccount(intent);
 711					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 712					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 713					if (account != null && jids.size() > 0) {
 714						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 715							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 716							mToast.show();
 717						}
 718					}
 719				}
 720			} else {
 721				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 722			}
 723		}
 724		super.onActivityResult(requestCode, requestCode, intent);
 725	}
 726
 727	private void askForContactsPermissions() {
 728		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 729			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 730				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 731					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 732						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 733						builder.setTitle(R.string.sync_with_contacts);
 734						if (QuickConversationsService.isQuicksy()) {
 735							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 736                        } else {
 737                            builder.setMessage(R.string.sync_with_contacts_long);
 738                        }
 739						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 740						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 741						builder.setCancelable(false);
 742						AlertDialog dialog = builder.create();
 743						dialog.setCanceledOnTouchOutside(false);
 744						dialog.setOnShowListener(dialogInterface -> {
 745							final TextView tv =  dialog.findViewById(android.R.id.message);
 746							if (tv != null) {
 747								tv.setMovementMethod(LinkMovementMethod.getInstance());
 748							}
 749						});
 750						dialog.show();
 751					} else {
 752						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 753					}
 754				}
 755			}
 756		}
 757	}
 758
 759	@Override
 760	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 761		if (grantResults.length > 0)
 762			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 763				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 764				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 765					if (QuickConversationsService.isQuicksy()) {
 766						setRefreshing(true);
 767					}
 768					xmppConnectionService.loadPhoneContacts();
 769					xmppConnectionService.startContactObserver();
 770				}
 771			}
 772	}
 773
 774	private void configureHomeButton() {
 775		final ActionBar actionBar = getSupportActionBar();
 776		if (actionBar == null) {
 777			return;
 778		}
 779		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 780		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 781		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 782
 783	}
 784
 785	@Override
 786	protected void onBackendConnected() {
 787
 788		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 789			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 790		}
 791		if (mPostponedActivityResult != null) {
 792			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 793			this.mPostponedActivityResult = null;
 794		}
 795		this.mActivatedAccounts.clear();
 796		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 797		configureHomeButton();
 798		Intent intent = pendingViewIntent.pop();
 799		if (intent != null && processViewIntent(intent)) {
 800			filter(null);
 801		} else {
 802			if (mSearchEditText != null) {
 803				filter(mSearchEditText.getText().toString());
 804			} else {
 805				filter(null);
 806			}
 807		}
 808		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 809		if (fragment instanceof OnBackendConnected) {
 810			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 811			((OnBackendConnected) fragment).onBackendConnected();
 812		}
 813		if (QuickConversationsService.isQuicksy()) {
 814			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 815		}
 816		if (QuickConversationsService.isConversations() && AccountUtils.hasEnabledAccounts(xmppConnectionService) && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false,true)) {
 817			binding.speedDial.open();
 818		}
 819	}
 820
 821	protected boolean processViewIntent(@NonNull Intent intent) {
 822		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 823		if (inviteUri != null) {
 824			Invite invite = new Invite(inviteUri);
 825			if (invite.isJidValid()) {
 826				return invite.invite();
 827			}
 828		}
 829		final String action = intent.getAction();
 830		if (action == null) {
 831			return false;
 832		}
 833		switch (action) {
 834			case Intent.ACTION_SENDTO:
 835			case Intent.ACTION_VIEW:
 836				Uri uri = intent.getData();
 837				if (uri != null) {
 838					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 839					invite.account = intent.getStringExtra("account");
 840					return invite.invite();
 841				} else {
 842					return false;
 843				}
 844		}
 845		return false;
 846	}
 847
 848	private boolean handleJid(Invite invite) {
 849		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 850		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 851			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 852			if (muc != null) {
 853				switchToConversationDoNotAppend(muc, invite.getBody());
 854				return true;
 855			} else {
 856				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 857				return false;
 858			}
 859		} else if (contacts.size() == 0) {
 860			showCreateContactDialog(invite.getJid().toString(), invite);
 861			return false;
 862		} else if (contacts.size() == 1) {
 863			Contact contact = contacts.get(0);
 864			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 865				displayVerificationWarningDialog(contact, invite);
 866			} else {
 867				if (invite.hasFingerprints()) {
 868					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 869						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 870					}
 871				}
 872				if (invite.account != null) {
 873					xmppConnectionService.getShortcutService().report(contact);
 874				}
 875				switchToConversationDoNotAppend(contact, invite.getBody());
 876			}
 877			return true;
 878		} else {
 879			if (mMenuSearchView != null) {
 880				mMenuSearchView.expandActionView();
 881				mSearchEditText.setText("");
 882				mSearchEditText.append(invite.getJid().toString());
 883				filter(invite.getJid().toString());
 884			} else {
 885				mInitialSearchValue.push(invite.getJid().toString());
 886			}
 887			return true;
 888		}
 889	}
 890
 891	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 892		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 893		builder.setTitle(R.string.verify_omemo_keys);
 894		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 895		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 896		TextView warning = view.findViewById(R.id.warning);
 897		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 898		builder.setView(view);
 899		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 900			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 901				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 902			}
 903			switchToConversationDoNotAppend(contact, invite.getBody());
 904		});
 905		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 906		AlertDialog dialog = builder.create();
 907		dialog.setCanceledOnTouchOutside(false);
 908		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 909		dialog.show();
 910	}
 911
 912	protected void filter(String needle) {
 913		if (xmppConnectionServiceBound) {
 914			this.filterContacts(needle);
 915			this.filterConferences(needle);
 916		}
 917	}
 918
 919	protected void filterContacts(String needle) {
 920		this.contacts.clear();
 921		final List<Account> accounts = xmppConnectionService.getAccounts();
 922		for (Account account : accounts) {
 923			if (account.getStatus() != Account.State.DISABLED) {
 924				for (Contact contact : account.getRoster().getContacts()) {
 925					Presence.Status s = contact.getShownStatus();
 926					if (contact.showInContactList() && contact.match(this, needle)
 927							&& (!this.mHideOfflineContacts
 928							|| (needle != null && !needle.trim().isEmpty())
 929							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 930						this.contacts.add(contact);
 931					}
 932				}
 933			}
 934		}
 935		Collections.sort(this.contacts);
 936		mContactsAdapter.notifyDataSetChanged();
 937	}
 938
 939	protected void filterConferences(String needle) {
 940		this.conferences.clear();
 941		for (Account account : xmppConnectionService.getAccounts()) {
 942			if (account.getStatus() != Account.State.DISABLED) {
 943				for (Bookmark bookmark : account.getBookmarks()) {
 944					if (bookmark.match(this, needle)) {
 945						this.conferences.add(bookmark);
 946					}
 947				}
 948			}
 949		}
 950		Collections.sort(this.conferences);
 951		mConferenceAdapter.notifyDataSetChanged();
 952	}
 953
 954	@Override
 955	public void OnUpdateBlocklist(final Status status) {
 956		refreshUi();
 957	}
 958
 959	@Override
 960	protected void refreshUiReal() {
 961		if (mSearchEditText != null) {
 962			filter(mSearchEditText.getText().toString());
 963		}
 964		configureHomeButton();
 965		if (QuickConversationsService.isQuicksy()) {
 966			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 967		}
 968	}
 969
 970	@Override
 971	public void onBackPressed() {
 972		if (binding.speedDial.isOpen()) {
 973			binding.speedDial.close();
 974			return;
 975		}
 976		navigateBack();
 977	}
 978
 979	private void navigateBack() {
 980		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 981			Intent intent = new Intent(this, ConversationsActivity.class);
 982			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 983			startActivity(intent);
 984		}
 985		finish();
 986	}
 987
 988	@Override
 989	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 990		if (!xmppConnectionServiceBound) {
 991			return;
 992		}
 993		final Account account = getSelectedAccount(this, spinner);
 994		if (account == null) {
 995			return;
 996		}
 997		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 998		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 999		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
1000		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
1001		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
1002		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
1003		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1004	}
1005
1006	@Override
1007	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1008		if (!xmppConnectionServiceBound) {
1009			return;
1010		}
1011		final Account account = getSelectedAccount(this, spinner);
1012		if (account == null) {
1013			return;
1014		}
1015		final Jid conferenceJid;
1016		try {
1017			conferenceJid = Jid.of(jid.getText().toString());
1018		} catch (final IllegalArgumentException e) {
1019			jid.setError(getString(R.string.invalid_jid));
1020			return;
1021		}
1022
1023		if (isBookmarkChecked) {
1024			if (account.hasBookmarkFor(conferenceJid)) {
1025				jid.setError(getString(R.string.bookmark_already_exists));
1026			} else {
1027				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1028				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1029				final String nick = conferenceJid.getResource();
1030				if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1031					bookmark.setNick(nick);
1032				}
1033				account.getBookmarks().add(bookmark);
1034				xmppConnectionService.pushBookmarks(account);
1035				final Conversation conversation = xmppConnectionService
1036						.findOrCreateConversation(account, conferenceJid, true, true, true);
1037				bookmark.setConversation(conversation);
1038				dialog.dismiss();
1039				switchToConversation(conversation);
1040			}
1041		} else {
1042			final Conversation conversation = xmppConnectionService
1043					.findOrCreateConversation(account, conferenceJid, true, true, true);
1044			dialog.dismiss();
1045			switchToConversation(conversation);
1046		}
1047	}
1048
1049	@Override
1050	public void onConversationUpdate() {
1051		refreshUi();
1052	}
1053
1054	@Override
1055	public void onRefresh() {
1056		Log.d(Config.LOGTAG,"user requested to refresh");
1057		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1058			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1059		}
1060	}
1061
1062
1063	private void setRefreshing(boolean refreshing) {
1064		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1065		if (fragment != null) {
1066			fragment.setRefreshing(refreshing);
1067		}
1068	}
1069
1070	@Override
1071	public void onCreatePublicChannel(Account account, String name, Jid address) {
1072		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1073		mToast.show();
1074		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1075			@Override
1076			public void success(Conversation conversation) {
1077				runOnUiThread(() -> {
1078					hideToast();
1079					switchToConversation(conversation);
1080				});
1081
1082			}
1083
1084			@Override
1085			public void error(int errorCode, Conversation conversation) {
1086				runOnUiThread(() -> {
1087					replaceToast(getString(errorCode));
1088					switchToConversation(conversation);
1089				});
1090			}
1091
1092			@Override
1093			public void userInputRequired(PendingIntent pi, Conversation object) {
1094
1095			}
1096		});
1097	}
1098
1099	public static class MyListFragment extends SwipeRefreshListFragment {
1100		private AdapterView.OnItemClickListener mOnItemClickListener;
1101		private int mResContextMenu;
1102
1103		public void setContextMenu(final int res) {
1104			this.mResContextMenu = res;
1105		}
1106
1107		@Override
1108		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1109			if (mOnItemClickListener != null) {
1110				mOnItemClickListener.onItemClick(l, v, position, id);
1111			}
1112		}
1113
1114		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1115			this.mOnItemClickListener = l;
1116		}
1117
1118		@Override
1119		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1120			super.onViewCreated(view, savedInstanceState);
1121			registerForContextMenu(getListView());
1122			getListView().setFastScrollEnabled(true);
1123			getListView().setDivider(null);
1124			getListView().setDividerHeight(0);
1125		}
1126
1127		@Override
1128		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1129			super.onCreateContextMenu(menu, v, menuInfo);
1130			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1131			if (activity == null) {
1132				return;
1133			}
1134			activity.getMenuInflater().inflate(mResContextMenu, menu);
1135			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1136			if (mResContextMenu == R.menu.conference_context) {
1137				activity.conference_context_id = acmi.position;
1138			} else if (mResContextMenu == R.menu.contact_context) {
1139				activity.contact_context_id = acmi.position;
1140				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1141				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1142				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1143				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1144				if (contact.isSelf()) {
1145					showContactDetailsItem.setVisible(false);
1146				}
1147				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1148				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1149				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1150					if (contact.isBlocked()) {
1151						blockUnblockItem.setTitle(R.string.unblock_contact);
1152					} else {
1153						blockUnblockItem.setTitle(R.string.block_contact);
1154					}
1155				} else {
1156					blockUnblockItem.setVisible(false);
1157				}
1158			}
1159		}
1160
1161		@Override
1162		public boolean onContextItemSelected(final MenuItem item) {
1163			StartConversationActivity activity = (StartConversationActivity) getActivity();
1164			if (activity == null) {
1165				return true;
1166			}
1167			switch (item.getItemId()) {
1168				case R.id.context_contact_details:
1169					activity.openDetailsForContact();
1170					break;
1171				case R.id.context_show_qr:
1172					activity.showQrForContact();
1173					break;
1174				case R.id.context_contact_block_unblock:
1175					activity.toggleContactBlock();
1176					break;
1177				case R.id.context_delete_contact:
1178					activity.deleteContact();
1179					break;
1180				case R.id.context_share_uri:
1181					activity.shareBookmarkUri();
1182					break;
1183				case R.id.context_delete_conference:
1184					activity.deleteConference();
1185			}
1186			return true;
1187		}
1188	}
1189
1190	public class ListPagerAdapter extends PagerAdapter {
1191		private final FragmentManager fragmentManager;
1192		private final MyListFragment[] fragments;
1193
1194		ListPagerAdapter(FragmentManager fm) {
1195			fragmentManager = fm;
1196			fragments = new MyListFragment[2];
1197		}
1198
1199		public void requestFocus(int pos) {
1200			if (fragments.length > pos) {
1201				fragments[pos].getListView().requestFocus();
1202			}
1203		}
1204
1205		@Override
1206		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1207			FragmentTransaction trans = fragmentManager.beginTransaction();
1208			trans.remove(fragments[position]);
1209			trans.commit();
1210			fragments[position] = null;
1211		}
1212
1213		@NonNull
1214		@Override
1215		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1216			final Fragment fragment = getItem(position);
1217			final FragmentTransaction trans = fragmentManager.beginTransaction();
1218			trans.add(container.getId(), fragment, "fragment:" + position);
1219			try {
1220				trans.commit();
1221			} catch (IllegalStateException e) {
1222				//ignore
1223			}
1224			return fragment;
1225		}
1226
1227		@Override
1228		public int getCount() {
1229			return fragments.length;
1230		}
1231
1232		@Override
1233		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1234			return ((Fragment) fragment).getView() == view;
1235		}
1236
1237		@Nullable
1238		@Override
1239		public CharSequence getPageTitle(int position) {
1240			switch (position) {
1241				case 0:
1242					return getResources().getString(R.string.contacts);
1243				case 1:
1244					return getResources().getString(R.string.bookmarks);
1245				default:
1246					return super.getPageTitle(position);
1247			}
1248		}
1249
1250		Fragment getItem(int position) {
1251			if (fragments[position] == null) {
1252				final MyListFragment listFragment = new MyListFragment();
1253				if (position == 1) {
1254					listFragment.setListAdapter(mConferenceAdapter);
1255					listFragment.setContextMenu(R.menu.conference_context);
1256					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1257				} else {
1258					listFragment.setListAdapter(mContactsAdapter);
1259					listFragment.setContextMenu(R.menu.contact_context);
1260					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1261					if (QuickConversationsService.isQuicksy()) {
1262						listFragment.setOnRefreshListener(StartConversationActivity.this);
1263					}
1264				}
1265				fragments[position] = listFragment;
1266			}
1267			return fragments[position];
1268		}
1269	}
1270
1271	public static void addInviteUri(Intent to, Intent from) {
1272		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1273			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1274		}
1275	}
1276
1277	private class Invite extends XmppUri {
1278
1279		public String account;
1280
1281		public Invite(final Uri uri) {
1282			super(uri);
1283		}
1284
1285		public Invite(final String uri) {
1286			super(uri);
1287		}
1288
1289		public Invite(Uri uri, boolean safeSource) {
1290			super(uri, safeSource);
1291		}
1292
1293		boolean invite() {
1294			if (!isJidValid()) {
1295				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1296				return false;
1297			}
1298			if (getJid() != null) {
1299				return handleJid(this);
1300			}
1301			return false;
1302		}
1303	}
1304}