StartConversationActivity.java

   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.pm.PackageManager;
  11import android.databinding.DataBindingUtil;
  12import android.net.Uri;
  13import android.os.Build;
  14import android.os.Bundle;
  15import android.support.annotation.DrawableRes;
  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.app.ListFragment;
  22import android.support.v4.view.PagerAdapter;
  23import android.support.v4.view.ViewPager;
  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.SpannableString;
  29import android.text.Spanned;
  30import android.text.TextWatcher;
  31import android.text.style.TypefaceSpan;
  32import android.util.Log;
  33import android.util.Pair;
  34import android.view.ContextMenu;
  35import android.view.ContextMenu.ContextMenuInfo;
  36import android.view.KeyEvent;
  37import android.view.Menu;
  38import android.view.MenuItem;
  39import android.view.View;
  40import android.view.ViewGroup;
  41import android.view.inputmethod.InputMethodManager;
  42import android.widget.AdapterView;
  43import android.widget.AdapterView.AdapterContextMenuInfo;
  44import android.widget.ArrayAdapter;
  45import android.widget.AutoCompleteTextView;
  46import android.widget.CheckBox;
  47import android.widget.EditText;
  48import android.widget.ListView;
  49import android.widget.Spinner;
  50import android.widget.TextView;
  51import android.widget.Toast;
  52
  53import java.util.ArrayList;
  54import java.util.Arrays;
  55import java.util.Collections;
  56import java.util.List;
  57import java.util.concurrent.atomic.AtomicBoolean;
  58
  59import eu.siacs.conversations.Config;
  60import eu.siacs.conversations.R;
  61import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  62import eu.siacs.conversations.entities.Account;
  63import eu.siacs.conversations.entities.Bookmark;
  64import eu.siacs.conversations.entities.Contact;
  65import eu.siacs.conversations.entities.Conversation;
  66import eu.siacs.conversations.entities.ListItem;
  67import eu.siacs.conversations.entities.Presence;
  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.service.EmojiService;
  73import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  74import eu.siacs.conversations.ui.util.PendingItem;
  75import eu.siacs.conversations.utils.XmppUri;
  76import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  77import eu.siacs.conversations.xmpp.XmppConnection;
  78import rocks.xmpp.addr.Jid;
  79
  80public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  81
  82	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  83	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  84	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  85	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  86	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  87	public int conference_context_id;
  88	public int contact_context_id;
  89	private ListPagerAdapter mListPagerAdapter;
  90	private List<ListItem> contacts = new ArrayList<>();
  91	private ListItemAdapter mContactsAdapter;
  92	private List<ListItem> conferences = new ArrayList<>();
  93	private ListItemAdapter mConferenceAdapter;
  94	private List<String> mActivatedAccounts = new ArrayList<>();
  95	private EditText mSearchEditText;
  96	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
  97	private boolean mHideOfflineContacts = false;
  98	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
  99
 100		@Override
 101		public boolean onMenuItemActionExpand(MenuItem item) {
 102			mSearchEditText.post(() -> {
 103				updateSearchViewHint();
 104				mSearchEditText.requestFocus();
 105				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 106					return;
 107				}
 108				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 109				if (imm != null) {
 110					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 111				}
 112			});
 113
 114			return true;
 115		}
 116
 117		@Override
 118		public boolean onMenuItemActionCollapse(MenuItem item) {
 119			hideKeyboard();
 120			mSearchEditText.setText("");
 121			filter(null);
 122			return true;
 123		}
 124	};
 125	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 126
 127		@Override
 128		public void afterTextChanged(Editable editable) {
 129			filter(editable.toString());
 130		}
 131
 132		@Override
 133		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 134		}
 135
 136		@Override
 137		public void onTextChanged(CharSequence s, int start, int before, int count) {
 138		}
 139	};
 140	private MenuItem mMenuSearchView;
 141	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 142		@Override
 143		public void onTagClicked(String tag) {
 144			if (mMenuSearchView != null) {
 145				mMenuSearchView.expandActionView();
 146				mSearchEditText.setText("");
 147				mSearchEditText.append(tag);
 148				filter(tag);
 149			}
 150		}
 151	};
 152	private Pair<Integer, Intent> mPostponedActivityResult;
 153	private Toast mToast;
 154	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 155		@Override
 156		public void success(final Conversation conversation) {
 157			runOnUiThread(() -> {
 158				hideToast();
 159				switchToConversation(conversation);
 160			});
 161		}
 162
 163		@Override
 164		public void error(final int errorCode, Conversation object) {
 165			runOnUiThread(() -> replaceToast(getString(errorCode)));
 166		}
 167
 168		@Override
 169		public void userInputRequried(PendingIntent pi, Conversation object) {
 170
 171		}
 172	};
 173	private ActivityStartConversationBinding binding;
 174	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 175		@Override
 176		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 177			int pos = binding.startConversationViewPager.getCurrentItem();
 178			if (pos == 0) {
 179				if (contacts.size() == 1) {
 180					openConversationForContact((Contact) contacts.get(0));
 181					return true;
 182				}
 183			} else {
 184				if (conferences.size() == 1) {
 185					openConversationsForBookmark((Bookmark) conferences.get(0));
 186					return true;
 187				}
 188			}
 189			hideKeyboard();
 190			mListPagerAdapter.requestFocus(pos);
 191			return true;
 192		}
 193	};
 194	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 195		@Override
 196		public void onPageSelected(int position) {
 197			onTabChanged();
 198		}
 199	};
 200
 201	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 202		if (accounts.size() > 0) {
 203			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 204			adapter.setDropDownViewResource(R.layout.simple_list_item);
 205			spinner.setAdapter(adapter);
 206			spinner.setEnabled(true);
 207		} else {
 208			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 209					R.layout.simple_list_item,
 210					Arrays.asList(context.getString(R.string.no_accounts)));
 211			adapter.setDropDownViewResource(R.layout.simple_list_item);
 212			spinner.setAdapter(adapter);
 213			spinner.setEnabled(false);
 214		}
 215	}
 216
 217	public static void launch(Context context) {
 218		final Intent intent = new Intent(context, StartConversationActivity.class);
 219		context.startActivity(intent);
 220	}
 221
 222	private static Intent createLauncherIntent(Context context) {
 223		final Intent intent = new Intent(context, StartConversationActivity.class);
 224		intent.setAction(Intent.ACTION_MAIN);
 225		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 226		return intent;
 227	}
 228
 229	private static boolean isViewIntent(final Intent i) {
 230		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 231	}
 232
 233	protected void hideToast() {
 234		if (mToast != null) {
 235			mToast.cancel();
 236		}
 237	}
 238
 239	protected void replaceToast(String msg) {
 240		hideToast();
 241		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 242		mToast.show();
 243	}
 244
 245	@Override
 246	public void onRosterUpdate() {
 247		this.refreshUi();
 248	}
 249
 250	@Override
 251	public void onCreate(Bundle savedInstanceState) {
 252		super.onCreate(savedInstanceState);
 253		new EmojiService(this).init();
 254		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 255		Toolbar toolbar = (Toolbar) binding.toolbar;
 256		setSupportActionBar(toolbar);
 257		configureActionBar(getSupportActionBar());
 258		this.binding.fab.setOnClickListener((v) -> {
 259			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 260				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 261				if (searchString != null && !searchString.trim().isEmpty()) {
 262					try {
 263						Jid jid = Jid.of(searchString);
 264						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 265							showCreateContactDialog(jid.toString(), null);
 266							return;
 267						}
 268					} catch (IllegalArgumentException ignored) {
 269						//ignore and fall through
 270					}
 271				}
 272				showCreateContactDialog(null, null);
 273			} else {
 274				showCreateConferenceDialog();
 275			}
 276		});
 277		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 278		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 279		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 280		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 281
 282		mConferenceAdapter = new ListItemAdapter(this, conferences);
 283		mContactsAdapter = new ListItemAdapter(this, contacts);
 284		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 285		this.mHideOfflineContacts = getPreferences().getBoolean("hide_offline", false);
 286
 287		final Intent intent;
 288		if (savedInstanceState == null) {
 289			intent = getIntent();
 290		} else {
 291			final String search = savedInstanceState.getString("search");
 292			if (search != null) {
 293				mInitialSearchValue.push(search);
 294			}
 295			intent = savedInstanceState.getParcelable("intent");
 296		}
 297
 298		if (isViewIntent(intent)) {
 299			pendingViewIntent.push(intent);
 300			setIntent(createLauncherIntent(this));
 301		}
 302	}
 303
 304	@Override
 305	public void onSaveInstanceState(Bundle savedInstanceState) {
 306		Intent pendingIntent = pendingViewIntent.peek();
 307		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 308		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 309			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 310		}
 311		super.onSaveInstanceState(savedInstanceState);
 312	}
 313
 314	@Override
 315	public void onStart() {
 316		super.onStart();
 317		final int theme = findTheme();
 318		if (this.mTheme != theme) {
 319			recreate();
 320		} else {
 321			if (pendingViewIntent.peek() == null) {
 322				askForContactsPermissions();
 323			}
 324		}
 325		mConferenceAdapter.refreshSettings();
 326		mContactsAdapter.refreshSettings();
 327	}
 328
 329	@Override
 330	public void onNewIntent(final Intent intent) {
 331		if (xmppConnectionServiceBound) {
 332			processViewIntent(intent);
 333		} else {
 334			pendingViewIntent.push(intent);
 335		}
 336		setIntent(createLauncherIntent(this));
 337	}
 338
 339	protected void openConversationForContact(int position) {
 340		Contact contact = (Contact) contacts.get(position);
 341		openConversationForContact(contact);
 342	}
 343
 344	protected void openConversationForContact(Contact contact) {
 345		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 346		switchToConversation(conversation);
 347	}
 348
 349	protected void openConversationForBookmark() {
 350		openConversationForBookmark(conference_context_id);
 351	}
 352
 353	protected void openConversationForBookmark(int position) {
 354		Bookmark bookmark = (Bookmark) conferences.get(position);
 355		openConversationsForBookmark(bookmark);
 356	}
 357
 358	protected void shareBookmarkUri() {
 359		shareBookmarkUri(conference_context_id);
 360	}
 361
 362	protected void shareBookmarkUri(int position) {
 363		Bookmark bookmark = (Bookmark) conferences.get(position);
 364		Intent shareIntent = new Intent();
 365		shareIntent.setAction(Intent.ACTION_SEND);
 366		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 367		shareIntent.setType("text/plain");
 368		try {
 369			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 370		} catch (ActivityNotFoundException e) {
 371			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 372		}
 373	}
 374
 375	protected void openConversationsForBookmark(Bookmark bookmark) {
 376		Jid jid = bookmark.getJid();
 377		if (jid == null) {
 378			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 379			return;
 380		}
 381		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 382		bookmark.setConversation(conversation);
 383		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 384			bookmark.setAutojoin(true);
 385			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 386		}
 387		switchToConversation(conversation);
 388	}
 389
 390	protected void openDetailsForContact() {
 391		int position = contact_context_id;
 392		Contact contact = (Contact) contacts.get(position);
 393		switchToContactDetails(contact);
 394	}
 395
 396	protected void showQrForContact() {
 397		int position = contact_context_id;
 398		Contact contact = (Contact) contacts.get(position);
 399		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 400	}
 401
 402	protected void toggleContactBlock() {
 403		final int position = contact_context_id;
 404		BlockContactDialog.show(this, (Contact) contacts.get(position));
 405	}
 406
 407	protected void deleteContact() {
 408		final int position = contact_context_id;
 409		final Contact contact = (Contact) contacts.get(position);
 410		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 411		builder.setNegativeButton(R.string.cancel, null);
 412		builder.setTitle(R.string.action_delete_contact);
 413		builder.setMessage(getString(R.string.remove_contact_text, contact.getJid()));
 414		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 415			xmppConnectionService.deleteContactOnServer(contact);
 416			filter(mSearchEditText.getText().toString());
 417		});
 418		builder.create().show();
 419	}
 420
 421	protected void deleteConference() {
 422		int position = conference_context_id;
 423		final Bookmark bookmark = (Bookmark) conferences.get(position);
 424
 425		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 426		builder.setNegativeButton(R.string.cancel, null);
 427		builder.setTitle(R.string.delete_bookmark);
 428		builder.setMessage(getString(R.string.remove_bookmark_text,
 429				bookmark.getJid()));
 430		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 431			bookmark.setConversation(null);
 432			Account account = bookmark.getAccount();
 433			account.getBookmarks().remove(bookmark);
 434			xmppConnectionService.pushBookmarks(account);
 435			filter(mSearchEditText.getText().toString());
 436		});
 437		builder.create().show();
 438
 439	}
 440
 441	@SuppressLint("InflateParams")
 442	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 443		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 444		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 445		if (prev != null) {
 446			ft.remove(prev);
 447		}
 448		ft.addToBackStack(null);
 449		EnterJidDialog dialog = EnterJidDialog.newInstance(
 450				mActivatedAccounts,
 451				getString(R.string.dialog_title_create_contact),
 452				getString(R.string.create),
 453				prefilledJid,
 454				null,
 455				invite == null || !invite.hasFingerprints()
 456		);
 457
 458		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 459			if (!xmppConnectionServiceBound) {
 460				return false;
 461			}
 462
 463			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 464			if (account == null) {
 465				return true;
 466			}
 467
 468			final Contact contact = account.getRoster().getContact(contactJid);
 469			if (invite != null && invite.getName() != null) {
 470				contact.setServerName(invite.getName());
 471			}
 472			if (contact.isSelf()) {
 473				switchToConversation(contact, null);
 474				return true;
 475			} else if (contact.showInRoster()) {
 476				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 477			} else {
 478				xmppConnectionService.createContact(contact, true);
 479				if (invite != null && invite.hasFingerprints()) {
 480					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 481				}
 482				switchToConversation(contact, invite == null ? null : invite.getBody());
 483				return true;
 484			}
 485		});
 486		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 487	}
 488
 489	@SuppressLint("InflateParams")
 490	protected void showJoinConferenceDialog(final String prefilledJid) {
 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		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 498		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 499	}
 500
 501	private void showCreateConferenceDialog() {
 502		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 503		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 504		if (prev != null) {
 505			ft.remove(prev);
 506		}
 507		ft.addToBackStack(null);
 508		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 509		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 510	}
 511
 512	private Account getSelectedAccount(Spinner spinner) {
 513		if (!spinner.isEnabled()) {
 514			return null;
 515		}
 516		Jid jid;
 517		try {
 518			if (Config.DOMAIN_LOCK != null) {
 519				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 520			} else {
 521				jid = Jid.of((String) spinner.getSelectedItem());
 522			}
 523		} catch (final IllegalArgumentException e) {
 524			return null;
 525		}
 526		return xmppConnectionService.findAccountByJid(jid);
 527	}
 528
 529	protected void switchToConversation(Contact contact, String body) {
 530		Conversation conversation = xmppConnectionService
 531				.findOrCreateConversation(contact.getAccount(),
 532						contact.getJid(), false, true);
 533		switchToConversation(conversation, body, false);
 534	}
 535
 536	@Override
 537	public void invalidateOptionsMenu() {
 538		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 539		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 540		if (isExpanded) {
 541			mInitialSearchValue.push(text);
 542			oneShotKeyboardSuppress.set(true);
 543		}
 544		super.invalidateOptionsMenu();
 545	}
 546
 547	private void updateSearchViewHint() {
 548		if (binding == null || mSearchEditText == null) {
 549			return;
 550		}
 551		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 552			mSearchEditText.setHint(R.string.search_contacts);
 553		} else {
 554			mSearchEditText.setHint(R.string.search_groups);
 555		}
 556	}
 557
 558	@Override
 559	public boolean onCreateOptionsMenu(Menu menu) {
 560		getMenuInflater().inflate(R.menu.start_conversation, menu);
 561		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 562		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 563		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 564		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 565		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 566		menuHideOffline.setChecked(this.mHideOfflineContacts);
 567		mMenuSearchView = menu.findItem(R.id.action_search);
 568		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 569		View mSearchView = mMenuSearchView.getActionView();
 570		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 571		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 572		mSearchEditText.setOnEditorActionListener(mSearchDone);
 573		String initialSearchValue = mInitialSearchValue.pop();
 574		if (initialSearchValue != null) {
 575			mMenuSearchView.expandActionView();
 576			mSearchEditText.append(initialSearchValue);
 577			filter(initialSearchValue);
 578		}
 579		updateSearchViewHint();
 580		return super.onCreateOptionsMenu(menu);
 581	}
 582
 583	@Override
 584	public boolean onOptionsItemSelected(MenuItem item) {
 585		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 586			return false;
 587		}
 588		switch (item.getItemId()) {
 589			case android.R.id.home:
 590				navigateBack();
 591				return true;
 592			case R.id.action_join_conference:
 593				showJoinConferenceDialog(null);
 594				return true;
 595			case R.id.action_scan_qr_code:
 596				UriHandlerActivity.scan(this);
 597				return true;
 598			case R.id.action_hide_offline:
 599				mHideOfflineContacts = !item.isChecked();
 600				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 601				if (mSearchEditText != null) {
 602					filter(mSearchEditText.getText().toString());
 603				}
 604				invalidateOptionsMenu();
 605		}
 606		return super.onOptionsItemSelected(item);
 607	}
 608
 609	@Override
 610	public boolean onKeyUp(int keyCode, KeyEvent event) {
 611		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 612			openSearch();
 613			return true;
 614		}
 615		int c = event.getUnicodeChar();
 616		if (c > 32) {
 617			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 618				openSearch();
 619				mSearchEditText.append(Character.toString((char) c));
 620				return true;
 621			}
 622		}
 623		return super.onKeyUp(keyCode, event);
 624	}
 625
 626	private void openSearch() {
 627		if (mMenuSearchView != null) {
 628			mMenuSearchView.expandActionView();
 629		}
 630	}
 631
 632	@Override
 633	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 634		if (resultCode == RESULT_OK) {
 635			if (xmppConnectionServiceBound) {
 636				this.mPostponedActivityResult = null;
 637				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 638					Account account = extractAccount(intent);
 639					final String subject = intent.getStringExtra("subject");
 640					List<Jid> jids = new ArrayList<>();
 641					if (intent.getBooleanExtra("multiple", false)) {
 642						String[] toAdd = intent.getStringArrayExtra("contacts");
 643						for (String item : toAdd) {
 644							try {
 645								jids.add(Jid.of(item));
 646							} catch (IllegalArgumentException e) {
 647								//ignored
 648							}
 649						}
 650					} else {
 651						try {
 652							jids.add(Jid.of(intent.getStringExtra("contact")));
 653						} catch (Exception e) {
 654							//ignored
 655						}
 656					}
 657					if (account != null && jids.size() > 0) {
 658						if (xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback)) {
 659							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 660							mToast.show();
 661						}
 662					}
 663				}
 664			} else {
 665				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 666			}
 667		}
 668		super.onActivityResult(requestCode, requestCode, intent);
 669	}
 670
 671	private void askForContactsPermissions() {
 672		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 673			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 674				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 675					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 676						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 677						builder.setTitle(R.string.sync_with_contacts);
 678						builder.setMessage(R.string.sync_with_contacts_long);
 679						builder.setPositiveButton(R.string.next, (dialog, which) -> {
 680							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 681								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 682							}
 683						});
 684						builder.setOnDismissListener(dialog -> {
 685							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 686								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 687							}
 688						});
 689						builder.create().show();
 690					} else {
 691						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
 692					}
 693				}
 694			}
 695		}
 696	}
 697
 698	@Override
 699	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 700		if (grantResults.length > 0)
 701			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 702				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 703				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 704					xmppConnectionService.loadPhoneContacts();
 705				}
 706			}
 707	}
 708
 709	private void configureHomeButton() {
 710		final ActionBar actionBar = getSupportActionBar();
 711		if (actionBar == null) {
 712			return;
 713		}
 714		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 715		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 716		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 717
 718	}
 719
 720	@Override
 721	protected void onBackendConnected() {
 722		if (mPostponedActivityResult != null) {
 723			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 724			this.mPostponedActivityResult = null;
 725		}
 726		this.mActivatedAccounts.clear();
 727		for (Account account : xmppConnectionService.getAccounts()) {
 728			if (account.getStatus() != Account.State.DISABLED) {
 729				if (Config.DOMAIN_LOCK != null) {
 730					this.mActivatedAccounts.add(account.getJid().getLocal());
 731				} else {
 732					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 733				}
 734			}
 735		}
 736		configureHomeButton();
 737		Intent intent = pendingViewIntent.pop();
 738		if (intent != null && processViewIntent(intent)) {
 739			filter(null);
 740		} else {
 741			if (mSearchEditText != null) {
 742				filter(mSearchEditText.getText().toString());
 743			} else {
 744				filter(null);
 745			}
 746		}
 747		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 748		if (fragment != null && fragment instanceof OnBackendConnected) {
 749			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 750			((OnBackendConnected) fragment).onBackendConnected();
 751		}
 752	}
 753
 754	protected boolean processViewIntent(@NonNull Intent intent) {
 755		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 756		if (inviteUri != null) {
 757			Invite invite = new Invite(inviteUri);
 758			if (invite.isJidValid()) {
 759				return invite.invite();
 760			}
 761		}
 762		final String action = intent.getAction();
 763		if (action == null) {
 764			return false;
 765		}
 766		switch (action) {
 767			case Intent.ACTION_SENDTO:
 768			case Intent.ACTION_VIEW:
 769				Uri uri = intent.getData();
 770				if (uri != null) {
 771					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 772					invite.account = intent.getStringExtra("account");
 773					return invite.invite();
 774				} else {
 775					return false;
 776				}
 777		}
 778		return false;
 779	}
 780
 781	private boolean handleJid(Invite invite) {
 782		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 783		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 784			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 785			if (muc != null) {
 786				switchToConversation(muc, invite.getBody(), false);
 787				return true;
 788			} else {
 789				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 790				return false;
 791			}
 792		} else if (contacts.size() == 0) {
 793			showCreateContactDialog(invite.getJid().toString(), invite);
 794			return false;
 795		} else if (contacts.size() == 1) {
 796			Contact contact = contacts.get(0);
 797			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 798				displayVerificationWarningDialog(contact, invite);
 799			} else {
 800				if (invite.hasFingerprints()) {
 801					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 802						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 803					}
 804				}
 805				if (invite.account != null) {
 806					xmppConnectionService.getShortcutService().report(contact);
 807				}
 808				switchToConversation(contact, invite.getBody());
 809			}
 810			return true;
 811		} else {
 812			if (mMenuSearchView != null) {
 813				mMenuSearchView.expandActionView();
 814				mSearchEditText.setText("");
 815				mSearchEditText.append(invite.getJid().toString());
 816				filter(invite.getJid().toString());
 817			} else {
 818				mInitialSearchValue.push(invite.getJid().toString());
 819			}
 820			return true;
 821		}
 822	}
 823
 824	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 825		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 826		builder.setTitle(R.string.verify_omemo_keys);
 827		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 828		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 829		TextView warning = view.findViewById(R.id.warning);
 830		String jid = contact.getJid().asBareJid().toString();
 831		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 832		int start = spannable.toString().indexOf(jid);
 833		if (start >= 0) {
 834			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 835		}
 836		warning.setText(spannable);
 837		builder.setView(view);
 838		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 839			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 840				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 841			}
 842			switchToConversation(contact, invite.getBody());
 843		});
 844		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 845		AlertDialog dialog = builder.create();
 846		dialog.setCanceledOnTouchOutside(false);
 847		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 848		dialog.show();
 849	}
 850
 851	protected void filter(String needle) {
 852		if (xmppConnectionServiceBound) {
 853			this.filterContacts(needle);
 854			this.filterConferences(needle);
 855		}
 856	}
 857
 858	protected void filterContacts(String needle) {
 859		this.contacts.clear();
 860		for (Account account : xmppConnectionService.getAccounts()) {
 861			if (account.getStatus() != Account.State.DISABLED) {
 862				for (Contact contact : account.getRoster().getContacts()) {
 863					Presence.Status s = contact.getShownStatus();
 864					if (contact.showInRoster() && contact.match(this, needle)
 865							&& (!this.mHideOfflineContacts
 866							|| (needle != null && !needle.trim().isEmpty())
 867							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 868						this.contacts.add(contact);
 869					}
 870				}
 871			}
 872		}
 873		Collections.sort(this.contacts);
 874		mContactsAdapter.notifyDataSetChanged();
 875	}
 876
 877	protected void filterConferences(String needle) {
 878		this.conferences.clear();
 879		for (Account account : xmppConnectionService.getAccounts()) {
 880			if (account.getStatus() != Account.State.DISABLED) {
 881				for (Bookmark bookmark : account.getBookmarks()) {
 882					if (bookmark.match(this, needle)) {
 883						this.conferences.add(bookmark);
 884					}
 885				}
 886			}
 887		}
 888		Collections.sort(this.conferences);
 889		mConferenceAdapter.notifyDataSetChanged();
 890	}
 891
 892	private void onTabChanged() {
 893		@DrawableRes final int fabDrawable;
 894		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 895			fabDrawable = R.drawable.ic_person_add_white_24dp;
 896		} else {
 897			fabDrawable = R.drawable.ic_group_add_white_24dp;
 898		}
 899		binding.fab.setImageResource(fabDrawable);
 900		invalidateOptionsMenu();
 901	}
 902
 903	@Override
 904	public void OnUpdateBlocklist(final Status status) {
 905		refreshUi();
 906	}
 907
 908	@Override
 909	protected void refreshUiReal() {
 910		if (mSearchEditText != null) {
 911			filter(mSearchEditText.getText().toString());
 912		}
 913		configureHomeButton();
 914	}
 915
 916	@Override
 917	public void onBackPressed() {
 918		navigateBack();
 919	}
 920
 921	private void navigateBack() {
 922		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 923			Intent intent = new Intent(this, ConversationsActivity.class);
 924			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 925			startActivity(intent);
 926		}
 927		finish();
 928	}
 929
 930	@Override
 931	public void onCreateDialogPositiveClick(Spinner spinner, String subject) {
 932		if (!xmppConnectionServiceBound) {
 933			return;
 934		}
 935		final Account account = getSelectedAccount(spinner);
 936		if (account == null) {
 937			return;
 938		}
 939		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 940		intent.putExtra("multiple", true);
 941		intent.putExtra("show_enter_jid", true);
 942		intent.putExtra("subject", subject);
 943		intent.putExtra(EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 944		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 945		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 946	}
 947
 948	@Override
 949	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 950		if (!xmppConnectionServiceBound) {
 951			return;
 952		}
 953		final Account account = getSelectedAccount(spinner);
 954		if (account == null) {
 955			return;
 956		}
 957		final Jid conferenceJid;
 958		try {
 959			conferenceJid = Jid.of(jid.getText().toString());
 960		} catch (final IllegalArgumentException e) {
 961			jid.setError(getString(R.string.invalid_jid));
 962			return;
 963		}
 964
 965		if (isBookmarkChecked) {
 966			if (account.hasBookmarkFor(conferenceJid)) {
 967				jid.setError(getString(R.string.bookmark_already_exists));
 968			} else {
 969				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 970				bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
 971				String nick = conferenceJid.getResource();
 972				if (nick != null && !nick.isEmpty()) {
 973					bookmark.setNick(nick);
 974				}
 975				account.getBookmarks().add(bookmark);
 976				xmppConnectionService.pushBookmarks(account);
 977				final Conversation conversation = xmppConnectionService
 978						.findOrCreateConversation(account, conferenceJid, true, true, true);
 979				bookmark.setConversation(conversation);
 980				dialog.dismiss();
 981				switchToConversation(conversation);
 982			}
 983		} else {
 984			final Conversation conversation = xmppConnectionService
 985					.findOrCreateConversation(account, conferenceJid, true, true, true);
 986			dialog.dismiss();
 987			switchToConversation(conversation);
 988		}
 989	}
 990
 991	@Override
 992	public void onConversationUpdate() {
 993		refreshUi();
 994	}
 995
 996	public static class MyListFragment extends ListFragment {
 997		private AdapterView.OnItemClickListener mOnItemClickListener;
 998		private int mResContextMenu;
 999
1000		public void setContextMenu(final int res) {
1001			this.mResContextMenu = res;
1002		}
1003
1004		@Override
1005		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1006			if (mOnItemClickListener != null) {
1007				mOnItemClickListener.onItemClick(l, v, position, id);
1008			}
1009		}
1010
1011		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1012			this.mOnItemClickListener = l;
1013		}
1014
1015		@Override
1016		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1017			super.onViewCreated(view, savedInstanceState);
1018			registerForContextMenu(getListView());
1019			getListView().setFastScrollEnabled(true);
1020			getListView().setDivider(null);
1021			getListView().setDividerHeight(0);
1022		}
1023
1024		@Override
1025		public void onCreateContextMenu(final ContextMenu menu, final View v,
1026		                                final ContextMenuInfo menuInfo) {
1027			super.onCreateContextMenu(menu, v, menuInfo);
1028			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1029			if (activity == null) {
1030				return;
1031			}
1032			activity.getMenuInflater().inflate(mResContextMenu, menu);
1033			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1034			if (mResContextMenu == R.menu.conference_context) {
1035				activity.conference_context_id = acmi.position;
1036			} else if (mResContextMenu == R.menu.contact_context) {
1037				activity.contact_context_id = acmi.position;
1038				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1039				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1040				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1041				if (contact.isSelf()) {
1042					showContactDetailsItem.setVisible(false);
1043				}
1044				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1045				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1046					if (contact.isBlocked()) {
1047						blockUnblockItem.setTitle(R.string.unblock_contact);
1048					} else {
1049						blockUnblockItem.setTitle(R.string.block_contact);
1050					}
1051				} else {
1052					blockUnblockItem.setVisible(false);
1053				}
1054			}
1055		}
1056
1057		@Override
1058		public boolean onContextItemSelected(final MenuItem item) {
1059			StartConversationActivity activity = (StartConversationActivity) getActivity();
1060			if (activity == null) {
1061				return true;
1062			}
1063			switch (item.getItemId()) {
1064				case R.id.context_contact_details:
1065					activity.openDetailsForContact();
1066					break;
1067				case R.id.context_show_qr:
1068					activity.showQrForContact();
1069					break;
1070				case R.id.context_contact_block_unblock:
1071					activity.toggleContactBlock();
1072					break;
1073				case R.id.context_delete_contact:
1074					activity.deleteContact();
1075					break;
1076				case R.id.context_join_conference:
1077					activity.openConversationForBookmark();
1078					break;
1079				case R.id.context_share_uri:
1080					activity.shareBookmarkUri();
1081					break;
1082				case R.id.context_delete_conference:
1083					activity.deleteConference();
1084			}
1085			return true;
1086		}
1087	}
1088
1089	public class ListPagerAdapter extends PagerAdapter {
1090		FragmentManager fragmentManager;
1091		MyListFragment[] fragments;
1092
1093		public ListPagerAdapter(FragmentManager fm) {
1094			fragmentManager = fm;
1095			fragments = new MyListFragment[2];
1096		}
1097
1098		public void requestFocus(int pos) {
1099			if (fragments.length > pos) {
1100				fragments[pos].getListView().requestFocus();
1101			}
1102		}
1103
1104		@Override
1105		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1106			assert (0 <= position && position < fragments.length);
1107			FragmentTransaction trans = fragmentManager.beginTransaction();
1108			trans.remove(fragments[position]);
1109			trans.commit();
1110			fragments[position] = null;
1111		}
1112
1113		@Override
1114		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1115			Fragment fragment = getItem(position);
1116			FragmentTransaction trans = fragmentManager.beginTransaction();
1117			trans.add(container.getId(), fragment, "fragment:" + position);
1118			trans.commit();
1119			return fragment;
1120		}
1121
1122		@Override
1123		public int getCount() {
1124			return fragments.length;
1125		}
1126
1127		@Override
1128		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1129			return ((Fragment) fragment).getView() == view;
1130		}
1131
1132		@Nullable
1133		@Override
1134		public CharSequence getPageTitle(int position) {
1135			switch (position) {
1136				case 0:
1137					return getResources().getString(R.string.contacts);
1138				case 1:
1139					return getResources().getString(R.string.conferences);
1140				default:
1141					return super.getPageTitle(position);
1142			}
1143		}
1144
1145		public Fragment getItem(int position) {
1146			assert (0 <= position && position < fragments.length);
1147			if (fragments[position] == null) {
1148				final MyListFragment listFragment = new MyListFragment();
1149				if (position == 1) {
1150					listFragment.setListAdapter(mConferenceAdapter);
1151					listFragment.setContextMenu(R.menu.conference_context);
1152					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1153				} else {
1154
1155					listFragment.setListAdapter(mContactsAdapter);
1156					listFragment.setContextMenu(R.menu.contact_context);
1157					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1158				}
1159				fragments[position] = listFragment;
1160			}
1161			return fragments[position];
1162		}
1163	}
1164
1165	private class Invite extends XmppUri {
1166
1167		public String account;
1168
1169		public Invite(final Uri uri) {
1170			super(uri);
1171		}
1172
1173		public Invite(final String uri) {
1174			super(uri);
1175		}
1176
1177		public Invite(Uri uri, boolean safeSource) {
1178			super(uri, safeSource);
1179		}
1180
1181		boolean invite() {
1182			if (!isJidValid()) {
1183				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1184				return false;
1185			}
1186			if (getJid() != null) {
1187				return handleJid(this);
1188			}
1189			return false;
1190		}
1191	}
1192}