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.widget.SwipeRefreshLayout;
  23import android.support.v7.app.ActionBar;
  24import android.support.v7.app.AlertDialog;
  25import android.support.v7.widget.Toolbar;
  26import android.text.Editable;
  27import android.text.Html;
  28import android.text.TextWatcher;
  29import android.text.method.LinkMovementMethod;
  30import android.util.Log;
  31import android.util.Pair;
  32import android.view.ContextMenu;
  33import android.view.ContextMenu.ContextMenuInfo;
  34import android.view.KeyEvent;
  35import android.view.Menu;
  36import android.view.MenuItem;
  37import android.view.View;
  38import android.view.ViewGroup;
  39import android.view.inputmethod.InputMethodManager;
  40import android.widget.AdapterView;
  41import android.widget.AdapterView.AdapterContextMenuInfo;
  42import android.widget.ArrayAdapter;
  43import android.widget.AutoCompleteTextView;
  44import android.widget.CheckBox;
  45import android.widget.EditText;
  46import android.widget.ListView;
  47import android.widget.Spinner;
  48import android.widget.TextView;
  49import android.widget.Toast;
  50
  51import java.util.ArrayList;
  52import java.util.Collections;
  53import java.util.List;
  54import java.util.concurrent.atomic.AtomicBoolean;
  55
  56import eu.siacs.conversations.Config;
  57import eu.siacs.conversations.R;
  58import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  59import eu.siacs.conversations.entities.Account;
  60import eu.siacs.conversations.entities.Bookmark;
  61import eu.siacs.conversations.entities.Contact;
  62import eu.siacs.conversations.entities.Conversation;
  63import eu.siacs.conversations.entities.ListItem;
  64import eu.siacs.conversations.entities.Presence;
  65import eu.siacs.conversations.services.QuickConversationsService;
  66import eu.siacs.conversations.services.XmppConnectionService;
  67import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  68import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  69import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  70import eu.siacs.conversations.ui.util.JidDialog;
  71import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  72import eu.siacs.conversations.ui.util.PendingItem;
  73import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  74import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  75import eu.siacs.conversations.utils.AccountUtils;
  76import eu.siacs.conversations.utils.XmppUri;
  77import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  78import eu.siacs.conversations.xmpp.XmppConnection;
  79import rocks.xmpp.addr.Jid;
  80
  81public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  82
  83	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  84
  85	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  86	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  87	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  88	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  89	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  90	public int conference_context_id;
  91	public int contact_context_id;
  92	private ListPagerAdapter mListPagerAdapter;
  93	private List<ListItem> contacts = new ArrayList<>();
  94	private ListItemAdapter mContactsAdapter;
  95	private List<ListItem> conferences = new ArrayList<>();
  96	private ListItemAdapter mConferenceAdapter;
  97	private List<String> mActivatedAccounts = new ArrayList<>();
  98	private EditText mSearchEditText;
  99	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 100	private boolean mHideOfflineContacts = false;
 101	private boolean createdByViewIntent = false;
 102	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 103
 104		@Override
 105		public boolean onMenuItemActionExpand(MenuItem item) {
 106			mSearchEditText.post(() -> {
 107				updateSearchViewHint();
 108				mSearchEditText.requestFocus();
 109				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 110					return;
 111				}
 112				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 113				if (imm != null) {
 114					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 115				}
 116			});
 117			if (binding.speedDial.isOpen()) {
 118				binding.speedDial.close();
 119			}
 120			return true;
 121		}
 122
 123		@Override
 124		public boolean onMenuItemActionCollapse(MenuItem item) {
 125			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 126			mSearchEditText.setText("");
 127			filter(null);
 128			return true;
 129		}
 130	};
 131	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 132
 133		@Override
 134		public void afterTextChanged(Editable editable) {
 135			filter(editable.toString());
 136		}
 137
 138		@Override
 139		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 140		}
 141
 142		@Override
 143		public void onTextChanged(CharSequence s, int start, int before, int count) {
 144		}
 145	};
 146	private MenuItem mMenuSearchView;
 147	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 148		@Override
 149		public void onTagClicked(String tag) {
 150			if (mMenuSearchView != null) {
 151				mMenuSearchView.expandActionView();
 152				mSearchEditText.setText("");
 153				mSearchEditText.append(tag);
 154				filter(tag);
 155			}
 156		}
 157	};
 158	private Pair<Integer, Intent> mPostponedActivityResult;
 159	private Toast mToast;
 160	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 161		@Override
 162		public void success(final Conversation conversation) {
 163			runOnUiThread(() -> {
 164				hideToast();
 165				switchToConversation(conversation);
 166			});
 167		}
 168
 169		@Override
 170		public void error(final int errorCode, Conversation object) {
 171			runOnUiThread(() -> replaceToast(getString(errorCode)));
 172		}
 173
 174		@Override
 175		public void userInputRequried(PendingIntent pi, Conversation object) {
 176
 177		}
 178	};
 179	private ActivityStartConversationBinding binding;
 180	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 181		@Override
 182		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 183			int pos = binding.startConversationViewPager.getCurrentItem();
 184			if (pos == 0) {
 185				if (contacts.size() == 1) {
 186					openConversationForContact((Contact) contacts.get(0));
 187					return true;
 188				} else if (contacts.size() == 0 && conferences.size() == 1) {
 189					openConversationsForBookmark((Bookmark) conferences.get(0));
 190					return true;
 191				}
 192			} else {
 193				if (conferences.size() == 1) {
 194					openConversationsForBookmark((Bookmark) conferences.get(0));
 195					return true;
 196				} else if (conferences.size() == 0 && contacts.size() == 1) {
 197					openConversationForContact((Contact) contacts.get(0));
 198					return true;
 199				}
 200			}
 201			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 202			mListPagerAdapter.requestFocus(pos);
 203			return true;
 204		}
 205	};
 206
 207	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 208		if (accounts.size() > 0) {
 209			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 210			adapter.setDropDownViewResource(R.layout.simple_list_item);
 211			spinner.setAdapter(adapter);
 212			spinner.setEnabled(true);
 213		} else {
 214			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 215					R.layout.simple_list_item,
 216					Collections.singletonList(context.getString(R.string.no_accounts)));
 217			adapter.setDropDownViewResource(R.layout.simple_list_item);
 218			spinner.setAdapter(adapter);
 219			spinner.setEnabled(false);
 220		}
 221	}
 222
 223	public static void launch(Context context) {
 224		final Intent intent = new Intent(context, StartConversationActivity.class);
 225		context.startActivity(intent);
 226	}
 227
 228	private static Intent createLauncherIntent(Context context) {
 229		final Intent intent = new Intent(context, StartConversationActivity.class);
 230		intent.setAction(Intent.ACTION_MAIN);
 231		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 232		return intent;
 233	}
 234
 235	private static boolean isViewIntent(final Intent i) {
 236		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 237	}
 238
 239	protected void hideToast() {
 240		if (mToast != null) {
 241			mToast.cancel();
 242		}
 243	}
 244
 245	protected void replaceToast(String msg) {
 246		hideToast();
 247		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 248		mToast.show();
 249	}
 250
 251	@Override
 252	public void onRosterUpdate() {
 253		this.refreshUi();
 254	}
 255
 256	@Override
 257	public void onCreate(Bundle savedInstanceState) {
 258		super.onCreate(savedInstanceState);
 259		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 260		Toolbar toolbar = (Toolbar) binding.toolbar;
 261		setSupportActionBar(toolbar);
 262		configureActionBar(getSupportActionBar());
 263
 264		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 265
 266		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 267		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 268		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 269
 270		mConferenceAdapter = new ListItemAdapter(this, conferences);
 271		mContactsAdapter = new ListItemAdapter(this, contacts);
 272		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 273
 274		final SharedPreferences preferences = getPreferences();
 275
 276		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 277
 278		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 279
 280		final Intent intent;
 281		if (savedInstanceState == null) {
 282			intent = getIntent();
 283		} else {
 284			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 285			final String search = savedInstanceState.getString("search");
 286			if (search != null) {
 287				mInitialSearchValue.push(search);
 288			}
 289			intent = savedInstanceState.getParcelable("intent");
 290		}
 291
 292		if (isViewIntent(intent)) {
 293			pendingViewIntent.push(intent);
 294			createdByViewIntent = true;
 295			setIntent(createLauncherIntent(this));
 296		} else if (startSearching && mInitialSearchValue.peek() == null) {
 297			mInitialSearchValue.push("");
 298		}
 299		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 300		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 301			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 302			final String prefilled;
 303			if (isValidJid(searchString)) {
 304				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 305			} else {
 306				prefilled = null;
 307			}
 308			switch (actionItem.getId()) {
 309				case R.id.join_public_channel:
 310					showJoinConferenceDialog(prefilled);
 311					break;
 312				case R.id.create_private_group_chat:
 313					showCreatePrivateGroupChatDialog();
 314					break;
 315				case R.id.create_public_channel:
 316					showPublicChannelDialog();
 317					break;
 318				case R.id.create_contact:
 319					showCreateContactDialog(prefilled,null);
 320					break;
 321			}
 322			return false;
 323		});
 324	}
 325
 326	public static boolean isValidJid(String input) {
 327		try {
 328			Jid jid = Jid.ofEscaped(input);
 329			return !jid.isDomainJid();
 330		} catch (IllegalArgumentException e) {
 331			return false;
 332		}
 333	}
 334
 335	@Override
 336	public void onSaveInstanceState(Bundle savedInstanceState) {
 337		Intent pendingIntent = pendingViewIntent.peek();
 338		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 339		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 340		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 341		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 342			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 343		}
 344		super.onSaveInstanceState(savedInstanceState);
 345	}
 346
 347	@Override
 348	public void onStart() {
 349		super.onStart();
 350		final int theme = findTheme();
 351		if (this.mTheme != theme) {
 352			recreate();
 353		} else {
 354			if (pendingViewIntent.peek() == null) {
 355				askForContactsPermissions();
 356			}
 357		}
 358		mConferenceAdapter.refreshSettings();
 359		mContactsAdapter.refreshSettings();
 360	}
 361
 362	@Override
 363	public void onNewIntent(final Intent intent) {
 364		if (xmppConnectionServiceBound) {
 365			processViewIntent(intent);
 366		} else {
 367			pendingViewIntent.push(intent);
 368		}
 369		setIntent(createLauncherIntent(this));
 370	}
 371
 372	protected void openConversationForContact(int position) {
 373		Contact contact = (Contact) contacts.get(position);
 374		openConversationForContact(contact);
 375	}
 376
 377	protected void openConversationForContact(Contact contact) {
 378		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 379		SoftKeyboardUtils.hideSoftKeyboard(this);
 380		switchToConversation(conversation);
 381	}
 382
 383	protected void openConversationForBookmark(int position) {
 384		Bookmark bookmark = (Bookmark) conferences.get(position);
 385		openConversationsForBookmark(bookmark);
 386	}
 387
 388	protected void shareBookmarkUri() {
 389		shareBookmarkUri(conference_context_id);
 390	}
 391
 392	protected void shareBookmarkUri(int position) {
 393		Bookmark bookmark = (Bookmark) conferences.get(position);
 394		Intent shareIntent = new Intent();
 395		shareIntent.setAction(Intent.ACTION_SEND);
 396		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 397		shareIntent.setType("text/plain");
 398		try {
 399			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 400		} catch (ActivityNotFoundException e) {
 401			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 402		}
 403	}
 404
 405	protected void openConversationsForBookmark(Bookmark bookmark) {
 406		final Jid jid = bookmark.getFullJid();
 407		if (jid == null) {
 408			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 409			return;
 410		}
 411		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 412		bookmark.setConversation(conversation);
 413		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 414			bookmark.setAutojoin(true);
 415			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 416		}
 417		SoftKeyboardUtils.hideSoftKeyboard(this);
 418		switchToConversation(conversation);
 419	}
 420
 421	protected void openDetailsForContact() {
 422		int position = contact_context_id;
 423		Contact contact = (Contact) contacts.get(position);
 424		switchToContactDetails(contact);
 425	}
 426
 427	protected void showQrForContact() {
 428		int position = contact_context_id;
 429		Contact contact = (Contact) contacts.get(position);
 430		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 431	}
 432
 433	protected void toggleContactBlock() {
 434		final int position = contact_context_id;
 435		BlockContactDialog.show(this, (Contact) contacts.get(position));
 436	}
 437
 438	protected void deleteContact() {
 439		final int position = contact_context_id;
 440		final Contact contact = (Contact) contacts.get(position);
 441		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 442		builder.setNegativeButton(R.string.cancel, null);
 443		builder.setTitle(R.string.action_delete_contact);
 444		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 445		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 446			xmppConnectionService.deleteContactOnServer(contact);
 447			filter(mSearchEditText.getText().toString());
 448		});
 449		builder.create().show();
 450	}
 451
 452	protected void deleteConference() {
 453		int position = conference_context_id;
 454		final Bookmark bookmark = (Bookmark) conferences.get(position);
 455
 456		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 457		builder.setNegativeButton(R.string.cancel, null);
 458		builder.setTitle(R.string.delete_bookmark);
 459		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 460		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 461			bookmark.setConversation(null);
 462			Account account = bookmark.getAccount();
 463			account.getBookmarks().remove(bookmark);
 464			xmppConnectionService.pushBookmarks(account);
 465			filter(mSearchEditText.getText().toString());
 466		});
 467		builder.create().show();
 468
 469	}
 470
 471	@SuppressLint("InflateParams")
 472	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 473		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 474		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 475		if (prev != null) {
 476			ft.remove(prev);
 477		}
 478		ft.addToBackStack(null);
 479		EnterJidDialog dialog = EnterJidDialog.newInstance(
 480				mActivatedAccounts,
 481				getString(R.string.add_contact),
 482				getString(R.string.add),
 483				prefilledJid,
 484				null,
 485				invite == null || !invite.hasFingerprints()
 486		);
 487
 488		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 489			if (!xmppConnectionServiceBound) {
 490				return false;
 491			}
 492
 493			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 494			if (account == null) {
 495				return true;
 496			}
 497
 498			final Contact contact = account.getRoster().getContact(contactJid);
 499			if (invite != null && invite.getName() != null) {
 500				contact.setServerName(invite.getName());
 501			}
 502			if (contact.isSelf()) {
 503				switchToConversation(contact);
 504				return true;
 505			} else if (contact.showInRoster()) {
 506				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 507			} else {
 508				xmppConnectionService.createContact(contact, true);
 509				if (invite != null && invite.hasFingerprints()) {
 510					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 511				}
 512				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 513				return true;
 514			}
 515		});
 516		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 517	}
 518
 519	@SuppressLint("InflateParams")
 520	protected void showJoinConferenceDialog(final String prefilledJid) {
 521		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 522		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 523		if (prev != null) {
 524			ft.remove(prev);
 525		}
 526		ft.addToBackStack(null);
 527		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 528		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 529	}
 530
 531	private void showCreatePrivateGroupChatDialog() {
 532		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 533		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 534		if (prev != null) {
 535			ft.remove(prev);
 536		}
 537		ft.addToBackStack(null);
 538		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 539		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 540	}
 541
 542	private void showPublicChannelDialog() {
 543		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 544		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 545		if (prev != null) {
 546			ft.remove(prev);
 547		}
 548		ft.addToBackStack(null);
 549		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 550		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 551	}
 552
 553	public static Account getSelectedAccount(Context context, Spinner spinner) {
 554		if (spinner == null || !spinner.isEnabled()) {
 555			return null;
 556		}
 557		if (context instanceof XmppActivity) {
 558			Jid jid;
 559			try {
 560				if (Config.DOMAIN_LOCK != null) {
 561					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 562				} else {
 563					jid = Jid.of((String) spinner.getSelectedItem());
 564				}
 565			} catch (final IllegalArgumentException e) {
 566				return null;
 567			}
 568			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 569			if (service == null) {
 570				return null;
 571			}
 572			return service.findAccountByJid(jid);
 573		} else {
 574			return null;
 575		}
 576	}
 577
 578	protected void switchToConversation(Contact contact) {
 579		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 580		switchToConversation(conversation);
 581	}
 582
 583	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 584		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 585		switchToConversationDoNotAppend(conversation, body);
 586	}
 587
 588	@Override
 589	public void invalidateOptionsMenu() {
 590		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 591		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 592		if (isExpanded) {
 593			mInitialSearchValue.push(text);
 594			oneShotKeyboardSuppress.set(true);
 595		}
 596		super.invalidateOptionsMenu();
 597	}
 598
 599	private void updateSearchViewHint() {
 600		if (binding == null || mSearchEditText == null) {
 601			return;
 602		}
 603		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 604			mSearchEditText.setHint(R.string.search_contacts);
 605		} else {
 606			mSearchEditText.setHint(R.string.search_groups);
 607		}
 608	}
 609
 610	@Override
 611	public boolean onCreateOptionsMenu(Menu menu) {
 612		getMenuInflater().inflate(R.menu.start_conversation, menu);
 613		AccountUtils.showHideMenuItems(menu);
 614		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 615		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 616		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 617		if (QuickConversationsService.isQuicksy()) {
 618			menuHideOffline.setVisible(false);
 619		} else {
 620			menuHideOffline.setVisible(true);
 621			menuHideOffline.setChecked(this.mHideOfflineContacts);
 622		}
 623		mMenuSearchView = menu.findItem(R.id.action_search);
 624		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 625		View mSearchView = mMenuSearchView.getActionView();
 626		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 627		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 628		mSearchEditText.setOnEditorActionListener(mSearchDone);
 629		String initialSearchValue = mInitialSearchValue.pop();
 630		if (initialSearchValue != null) {
 631			mMenuSearchView.expandActionView();
 632			mSearchEditText.append(initialSearchValue);
 633			filter(initialSearchValue);
 634		}
 635		updateSearchViewHint();
 636		return super.onCreateOptionsMenu(menu);
 637	}
 638
 639	@Override
 640	public boolean onOptionsItemSelected(MenuItem item) {
 641		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 642			return false;
 643		}
 644		switch (item.getItemId()) {
 645			case android.R.id.home:
 646				navigateBack();
 647				return true;
 648			case R.id.action_scan_qr_code:
 649				UriHandlerActivity.scan(this);
 650				return true;
 651			case R.id.action_hide_offline:
 652				mHideOfflineContacts = !item.isChecked();
 653				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 654				if (mSearchEditText != null) {
 655					filter(mSearchEditText.getText().toString());
 656				}
 657				invalidateOptionsMenu();
 658		}
 659		return super.onOptionsItemSelected(item);
 660	}
 661
 662	@Override
 663	public boolean onKeyUp(int keyCode, KeyEvent event) {
 664		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 665			openSearch();
 666			return true;
 667		}
 668		int c = event.getUnicodeChar();
 669		if (c > 32) {
 670			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 671				openSearch();
 672				mSearchEditText.append(Character.toString((char) c));
 673				return true;
 674			}
 675		}
 676		return super.onKeyUp(keyCode, event);
 677	}
 678
 679	private void openSearch() {
 680		if (mMenuSearchView != null) {
 681			mMenuSearchView.expandActionView();
 682		}
 683	}
 684
 685	@Override
 686	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 687		if (resultCode == RESULT_OK) {
 688			if (xmppConnectionServiceBound) {
 689				this.mPostponedActivityResult = null;
 690				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 691					Account account = extractAccount(intent);
 692					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 693					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 694					if (account != null && jids.size() > 0) {
 695						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 696							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 697							mToast.show();
 698						}
 699					}
 700				}
 701			} else {
 702				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 703			}
 704		}
 705		super.onActivityResult(requestCode, requestCode, intent);
 706	}
 707
 708	private void askForContactsPermissions() {
 709		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 710			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 711				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 712					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 713						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 714						builder.setTitle(R.string.sync_with_contacts);
 715						if (QuickConversationsService.isQuicksy()) {
 716							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 717                        } else {
 718                            builder.setMessage(R.string.sync_with_contacts_long);
 719                        }
 720						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 721						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 722						builder.setCancelable(false);
 723						AlertDialog dialog = builder.create();
 724						dialog.setCanceledOnTouchOutside(false);
 725						dialog.setOnShowListener(dialogInterface -> {
 726							final TextView tv =  dialog.findViewById(android.R.id.message);
 727							if (tv != null) {
 728								tv.setMovementMethod(LinkMovementMethod.getInstance());
 729							}
 730						});
 731						dialog.show();
 732					} else {
 733						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 734					}
 735				}
 736			}
 737		}
 738	}
 739
 740	@Override
 741	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 742		if (grantResults.length > 0)
 743			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 744				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 745				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 746					if (QuickConversationsService.isQuicksy()) {
 747						setRefreshing(true);
 748					}
 749					xmppConnectionService.loadPhoneContacts();
 750					xmppConnectionService.startContactObserver();
 751				}
 752			}
 753	}
 754
 755	private void configureHomeButton() {
 756		final ActionBar actionBar = getSupportActionBar();
 757		if (actionBar == null) {
 758			return;
 759		}
 760		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 761		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 762		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 763
 764	}
 765
 766	@Override
 767	protected void onBackendConnected() {
 768
 769		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 770			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 771		}
 772		if (mPostponedActivityResult != null) {
 773			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 774			this.mPostponedActivityResult = null;
 775		}
 776		this.mActivatedAccounts.clear();
 777		for (Account account : xmppConnectionService.getAccounts()) {
 778			if (account.getStatus() != Account.State.DISABLED) {
 779				if (Config.DOMAIN_LOCK != null) {
 780					this.mActivatedAccounts.add(account.getJid().getLocal());
 781				} else {
 782					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 783				}
 784			}
 785		}
 786		configureHomeButton();
 787		Intent intent = pendingViewIntent.pop();
 788		if (intent != null && processViewIntent(intent)) {
 789			filter(null);
 790		} else {
 791			if (mSearchEditText != null) {
 792				filter(mSearchEditText.getText().toString());
 793			} else {
 794				filter(null);
 795			}
 796		}
 797		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 798		if (fragment instanceof OnBackendConnected) {
 799			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 800			((OnBackendConnected) fragment).onBackendConnected();
 801		}
 802		if (QuickConversationsService.isQuicksy()) {
 803			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 804		}
 805	}
 806
 807	protected boolean processViewIntent(@NonNull Intent intent) {
 808		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 809		if (inviteUri != null) {
 810			Invite invite = new Invite(inviteUri);
 811			if (invite.isJidValid()) {
 812				return invite.invite();
 813			}
 814		}
 815		final String action = intent.getAction();
 816		if (action == null) {
 817			return false;
 818		}
 819		switch (action) {
 820			case Intent.ACTION_SENDTO:
 821			case Intent.ACTION_VIEW:
 822				Uri uri = intent.getData();
 823				if (uri != null) {
 824					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 825					invite.account = intent.getStringExtra("account");
 826					return invite.invite();
 827				} else {
 828					return false;
 829				}
 830		}
 831		return false;
 832	}
 833
 834	private boolean handleJid(Invite invite) {
 835		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 836		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 837			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 838			if (muc != null) {
 839				switchToConversationDoNotAppend(muc, invite.getBody());
 840				return true;
 841			} else {
 842				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 843				return false;
 844			}
 845		} else if (contacts.size() == 0) {
 846			showCreateContactDialog(invite.getJid().toString(), invite);
 847			return false;
 848		} else if (contacts.size() == 1) {
 849			Contact contact = contacts.get(0);
 850			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 851				displayVerificationWarningDialog(contact, invite);
 852			} else {
 853				if (invite.hasFingerprints()) {
 854					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 855						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 856					}
 857				}
 858				if (invite.account != null) {
 859					xmppConnectionService.getShortcutService().report(contact);
 860				}
 861				switchToConversationDoNotAppend(contact, invite.getBody());
 862			}
 863			return true;
 864		} else {
 865			if (mMenuSearchView != null) {
 866				mMenuSearchView.expandActionView();
 867				mSearchEditText.setText("");
 868				mSearchEditText.append(invite.getJid().toString());
 869				filter(invite.getJid().toString());
 870			} else {
 871				mInitialSearchValue.push(invite.getJid().toString());
 872			}
 873			return true;
 874		}
 875	}
 876
 877	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 878		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 879		builder.setTitle(R.string.verify_omemo_keys);
 880		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 881		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 882		TextView warning = view.findViewById(R.id.warning);
 883		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 884		builder.setView(view);
 885		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 886			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 887				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 888			}
 889			switchToConversationDoNotAppend(contact, invite.getBody());
 890		});
 891		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 892		AlertDialog dialog = builder.create();
 893		dialog.setCanceledOnTouchOutside(false);
 894		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 895		dialog.show();
 896	}
 897
 898	protected void filter(String needle) {
 899		if (xmppConnectionServiceBound) {
 900			this.filterContacts(needle);
 901			this.filterConferences(needle);
 902		}
 903	}
 904
 905	protected void filterContacts(String needle) {
 906		this.contacts.clear();
 907		final List<Account> accounts = xmppConnectionService.getAccounts();
 908		for (Account account : accounts) {
 909			if (account.getStatus() != Account.State.DISABLED) {
 910				for (Contact contact : account.getRoster().getContacts()) {
 911					Presence.Status s = contact.getShownStatus();
 912					if (contact.showInContactList() && contact.match(this, needle)
 913							&& (!this.mHideOfflineContacts
 914							|| (needle != null && !needle.trim().isEmpty())
 915							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 916						this.contacts.add(contact);
 917					}
 918				}
 919			}
 920		}
 921		Collections.sort(this.contacts);
 922		mContactsAdapter.notifyDataSetChanged();
 923	}
 924
 925	protected void filterConferences(String needle) {
 926		this.conferences.clear();
 927		for (Account account : xmppConnectionService.getAccounts()) {
 928			if (account.getStatus() != Account.State.DISABLED) {
 929				for (Bookmark bookmark : account.getBookmarks()) {
 930					if (bookmark.match(this, needle)) {
 931						this.conferences.add(bookmark);
 932					}
 933				}
 934			}
 935		}
 936		Collections.sort(this.conferences);
 937		mConferenceAdapter.notifyDataSetChanged();
 938	}
 939
 940	@Override
 941	public void OnUpdateBlocklist(final Status status) {
 942		refreshUi();
 943	}
 944
 945	@Override
 946	protected void refreshUiReal() {
 947		if (mSearchEditText != null) {
 948			filter(mSearchEditText.getText().toString());
 949		}
 950		configureHomeButton();
 951		if (QuickConversationsService.isQuicksy()) {
 952			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 953		}
 954	}
 955
 956	@Override
 957	public void onBackPressed() {
 958		if (binding.speedDial.isOpen()) {
 959			binding.speedDial.close();
 960			return;
 961		}
 962		navigateBack();
 963	}
 964
 965	private void navigateBack() {
 966		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 967			Intent intent = new Intent(this, ConversationsActivity.class);
 968			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 969			startActivity(intent);
 970		}
 971		finish();
 972	}
 973
 974	@Override
 975	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 976		if (!xmppConnectionServiceBound) {
 977			return;
 978		}
 979		final Account account = getSelectedAccount(this, spinner);
 980		if (account == null) {
 981			return;
 982		}
 983		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 984		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 985		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 986		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 987		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 988		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 989		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 990	}
 991
 992	@Override
 993	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 994		if (!xmppConnectionServiceBound) {
 995			return;
 996		}
 997		final Account account = getSelectedAccount(this, spinner);
 998		if (account == null) {
 999			return;
1000		}
1001		final Jid conferenceJid;
1002		try {
1003			conferenceJid = Jid.of(jid.getText().toString());
1004		} catch (final IllegalArgumentException e) {
1005			jid.setError(getString(R.string.invalid_jid));
1006			return;
1007		}
1008
1009		if (isBookmarkChecked) {
1010			if (account.hasBookmarkFor(conferenceJid)) {
1011				jid.setError(getString(R.string.bookmark_already_exists));
1012			} else {
1013				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1014				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1015				String nick = conferenceJid.getResource();
1016				if (nick != null && !nick.isEmpty()) {
1017					bookmark.setNick(nick);
1018				}
1019				account.getBookmarks().add(bookmark);
1020				xmppConnectionService.pushBookmarks(account);
1021				final Conversation conversation = xmppConnectionService
1022						.findOrCreateConversation(account, conferenceJid, true, true, true);
1023				bookmark.setConversation(conversation);
1024				dialog.dismiss();
1025				switchToConversation(conversation);
1026			}
1027		} else {
1028			final Conversation conversation = xmppConnectionService
1029					.findOrCreateConversation(account, conferenceJid, true, true, true);
1030			dialog.dismiss();
1031			switchToConversation(conversation);
1032		}
1033	}
1034
1035	@Override
1036	public void onConversationUpdate() {
1037		refreshUi();
1038	}
1039
1040	@Override
1041	public void onRefresh() {
1042		Log.d(Config.LOGTAG,"user requested to refresh");
1043		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1044			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1045		}
1046	}
1047
1048
1049	private void setRefreshing(boolean refreshing) {
1050		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1051		if (fragment != null) {
1052			fragment.setRefreshing(refreshing);
1053		}
1054	}
1055
1056	@Override
1057	public void onCreatePublicChannel(Account account, String name, Jid address) {
1058		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1059		mToast.show();
1060		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1061			@Override
1062			public void success(Conversation conversation) {
1063				runOnUiThread(() -> {
1064					hideToast();
1065					switchToConversation(conversation);
1066				});
1067
1068			}
1069
1070			@Override
1071			public void error(int errorCode, Conversation conversation) {
1072				runOnUiThread(() -> {
1073					replaceToast(getString(errorCode));
1074					switchToConversation(conversation);
1075				});
1076			}
1077
1078			@Override
1079			public void userInputRequried(PendingIntent pi, Conversation object) {
1080
1081			}
1082		});
1083	}
1084
1085	public static class MyListFragment extends SwipeRefreshListFragment {
1086		private AdapterView.OnItemClickListener mOnItemClickListener;
1087		private int mResContextMenu;
1088
1089		public void setContextMenu(final int res) {
1090			this.mResContextMenu = res;
1091		}
1092
1093		@Override
1094		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1095			if (mOnItemClickListener != null) {
1096				mOnItemClickListener.onItemClick(l, v, position, id);
1097			}
1098		}
1099
1100		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1101			this.mOnItemClickListener = l;
1102		}
1103
1104		@Override
1105		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1106			super.onViewCreated(view, savedInstanceState);
1107			registerForContextMenu(getListView());
1108			getListView().setFastScrollEnabled(true);
1109			getListView().setDivider(null);
1110			getListView().setDividerHeight(0);
1111		}
1112
1113		@Override
1114		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1115			super.onCreateContextMenu(menu, v, menuInfo);
1116			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1117			if (activity == null) {
1118				return;
1119			}
1120			activity.getMenuInflater().inflate(mResContextMenu, menu);
1121			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1122			if (mResContextMenu == R.menu.conference_context) {
1123				activity.conference_context_id = acmi.position;
1124			} else if (mResContextMenu == R.menu.contact_context) {
1125				activity.contact_context_id = acmi.position;
1126				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1127				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1128				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1129				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1130				if (contact.isSelf()) {
1131					showContactDetailsItem.setVisible(false);
1132				}
1133				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1134				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1135				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1136					if (contact.isBlocked()) {
1137						blockUnblockItem.setTitle(R.string.unblock_contact);
1138					} else {
1139						blockUnblockItem.setTitle(R.string.block_contact);
1140					}
1141				} else {
1142					blockUnblockItem.setVisible(false);
1143				}
1144			}
1145		}
1146
1147		@Override
1148		public boolean onContextItemSelected(final MenuItem item) {
1149			StartConversationActivity activity = (StartConversationActivity) getActivity();
1150			if (activity == null) {
1151				return true;
1152			}
1153			switch (item.getItemId()) {
1154				case R.id.context_contact_details:
1155					activity.openDetailsForContact();
1156					break;
1157				case R.id.context_show_qr:
1158					activity.showQrForContact();
1159					break;
1160				case R.id.context_contact_block_unblock:
1161					activity.toggleContactBlock();
1162					break;
1163				case R.id.context_delete_contact:
1164					activity.deleteContact();
1165					break;
1166				case R.id.context_share_uri:
1167					activity.shareBookmarkUri();
1168					break;
1169				case R.id.context_delete_conference:
1170					activity.deleteConference();
1171			}
1172			return true;
1173		}
1174	}
1175
1176	public class ListPagerAdapter extends PagerAdapter {
1177		private final FragmentManager fragmentManager;
1178		private final MyListFragment[] fragments;
1179
1180		ListPagerAdapter(FragmentManager fm) {
1181			fragmentManager = fm;
1182			fragments = new MyListFragment[2];
1183		}
1184
1185		public void requestFocus(int pos) {
1186			if (fragments.length > pos) {
1187				fragments[pos].getListView().requestFocus();
1188			}
1189		}
1190
1191		@Override
1192		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1193			FragmentTransaction trans = fragmentManager.beginTransaction();
1194			trans.remove(fragments[position]);
1195			trans.commit();
1196			fragments[position] = null;
1197		}
1198
1199		@NonNull
1200		@Override
1201		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1202			final Fragment fragment = getItem(position);
1203			final FragmentTransaction trans = fragmentManager.beginTransaction();
1204			trans.add(container.getId(), fragment, "fragment:" + position);
1205			try {
1206				trans.commit();
1207			} catch (IllegalStateException e) {
1208				//ignore
1209			}
1210			return fragment;
1211		}
1212
1213		@Override
1214		public int getCount() {
1215			return fragments.length;
1216		}
1217
1218		@Override
1219		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1220			return ((Fragment) fragment).getView() == view;
1221		}
1222
1223		@Nullable
1224		@Override
1225		public CharSequence getPageTitle(int position) {
1226			switch (position) {
1227				case 0:
1228					return getResources().getString(R.string.contacts);
1229				case 1:
1230					return getResources().getString(R.string.bookmarks);
1231				default:
1232					return super.getPageTitle(position);
1233			}
1234		}
1235
1236		Fragment getItem(int position) {
1237			if (fragments[position] == null) {
1238				final MyListFragment listFragment = new MyListFragment();
1239				if (position == 1) {
1240					listFragment.setListAdapter(mConferenceAdapter);
1241					listFragment.setContextMenu(R.menu.conference_context);
1242					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1243				} else {
1244					listFragment.setListAdapter(mContactsAdapter);
1245					listFragment.setContextMenu(R.menu.contact_context);
1246					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1247					if (QuickConversationsService.isQuicksy()) {
1248						listFragment.setOnRefreshListener(StartConversationActivity.this);
1249					}
1250				}
1251				fragments[position] = listFragment;
1252			}
1253			return fragments[position];
1254		}
1255	}
1256
1257	public static void addInviteUri(Intent to, Intent from) {
1258		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1259			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1260		}
1261	}
1262
1263	private class Invite extends XmppUri {
1264
1265		public String account;
1266
1267		public Invite(final Uri uri) {
1268			super(uri);
1269		}
1270
1271		public Invite(final String uri) {
1272			super(uri);
1273		}
1274
1275		public Invite(Uri uri, boolean safeSource) {
1276			super(uri, safeSource);
1277		}
1278
1279		boolean invite() {
1280			if (!isJidValid()) {
1281				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1282				return false;
1283			}
1284			if (getJid() != null) {
1285				return handleJid(this);
1286			}
1287			return false;
1288		}
1289	}
1290}