fixed recreation issues in StartConversationActivity

3 files changed, 1031 insertions, 977 deletions

diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 606b6daa..56ed5c76 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -51,7 +51,6 @@
         </activity>
         <activity
             android:name=".ui.StartConversationActivity"
-            android:configChanges="orientation|screenSize"
             android:label="@string/title_activity_start_conversation"
             android:launchMode="singleTask">
             <intent-filter>
diff --git a/src/main/java/eu/siacs/conversations/ui/EnterJidDialog.java b/src/main/java/eu/siacs/conversations/ui/EnterJidDialog.java
index f77d9c0a..261f93b0 100644
--- a/src/main/java/eu/siacs/conversations/ui/EnterJidDialog.java
+++ b/src/main/java/eu/siacs/conversations/ui/EnterJidDialog.java
@@ -1,6 +1,7 @@
 package eu.siacs.conversations.ui;
 
 import android.app.AlertDialog;
+import android.app.Dialog;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -120,8 +121,9 @@ public class EnterJidDialog {
 		this.listener = listener;
 	}
 
-	public void show() {
+	public Dialog show() {
 		this.dialog.show();
 		this.dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(this.dialogOnClick);
+		return this.dialog;
 	}
 }
diff --git a/src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java
index ee380ea4..768961c1 100644
--- a/src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java
@@ -7,7 +7,9 @@ import android.app.ActionBar;
 import android.app.ActionBar.Tab;
 import android.app.ActionBar.TabListener;
 import android.app.AlertDialog;
+import android.app.Dialog;
 import android.app.Fragment;
+import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.app.ListFragment;
 import android.app.PendingIntent;
@@ -24,6 +26,7 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.v13.app.FragmentPagerAdapter;
+import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.text.Editable;
 import android.text.TextWatcher;
@@ -35,6 +38,7 @@ import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
@@ -78,979 +82,1028 @@ import eu.siacs.conversations.xmpp.jid.Jid;
 
 public class StartConversationActivity extends XmppActivity implements OnRosterUpdate, OnUpdateBlocklist {
 
-	public int conference_context_id;
-	public int contact_context_id;
-	private Tab mContactsTab;
-	private Tab mConferencesTab;
-	private ViewPager mViewPager;
-	private MyListFragment mContactsListFragment = new MyListFragment();
-	private List<ListItem> contacts = new ArrayList<>();
-	private ArrayAdapter<ListItem> mContactsAdapter;
-	private MyListFragment mConferenceListFragment = new MyListFragment();
-	private List<ListItem> conferences = new ArrayList<ListItem>();
-	private ArrayAdapter<ListItem> mConferenceAdapter;
-	private List<String> mActivatedAccounts = new ArrayList<String>();
-	private List<String> mKnownHosts;
-	private List<String> mKnownConferenceHosts;
-	private Invite mPendingInvite = null;
-	private EditText mSearchEditText;
-	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
-	private final int REQUEST_SYNC_CONTACTS = 0x3b28cf;
-	private final int REQUEST_CREATE_CONFERENCE = 0x3b39da;
-
-	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
-
-		@Override
-		public boolean onMenuItemActionExpand(MenuItem item) {
-			mSearchEditText.post(new Runnable() {
-
-				@Override
-				public void run() {
-					mSearchEditText.requestFocus();
-					InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
-					imm.showSoftInput(mSearchEditText,
-							InputMethodManager.SHOW_IMPLICIT);
-				}
-			});
-
-			return true;
-		}
-
-		@Override
-		public boolean onMenuItemActionCollapse(MenuItem item) {
-			hideKeyboard();
-			mSearchEditText.setText("");
-			filter(null);
-			return true;
-		}
-	};
-	private boolean mHideOfflineContacts = false;
-	private TabListener mTabListener = new TabListener() {
-
-		@Override
-		public void onTabUnselected(Tab tab, FragmentTransaction ft) {
-			return;
-		}
-
-		@Override
-		public void onTabSelected(Tab tab, FragmentTransaction ft) {
-			mViewPager.setCurrentItem(tab.getPosition());
-			onTabChanged();
-		}
-
-		@Override
-		public void onTabReselected(Tab tab, FragmentTransaction ft) {
-			return;
-		}
-	};
-	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
-		@Override
-		public void onPageSelected(int position) {
-			if (getActionBar() != null) {
-				getActionBar().setSelectedNavigationItem(position);
-			}
-			onTabChanged();
-		}
-	};
-	private TextWatcher mSearchTextWatcher = new TextWatcher() {
-
-		@Override
-		public void afterTextChanged(Editable editable) {
-			filter(editable.toString());
-		}
-
-		@Override
-		public void beforeTextChanged(CharSequence s, int start, int count,
-				int after) {
-		}
-
-		@Override
-		public void onTextChanged(CharSequence s, int start, int before,
-				int count) {
-		}
-	};
-
-	private  TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
-		@Override
-		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-			if (getActionBar().getSelectedNavigationIndex() == 0) {
-				if (contacts.size() == 1) {
-					openConversationForContact((Contact) contacts.get(0));
-				} else {
-					hideKeyboard();
-					mContactsListFragment.getListView().requestFocus();
-				}
-			} else {
-				if (conferences.size() == 1) {
-					openConversationsForBookmark((Bookmark) conferences.get(0));
-				} else {
-					hideKeyboard();
-					mConferenceListFragment.getListView().requestFocus();
-				}
-			}
-			return true;
-		}
-	};
-	private MenuItem mMenuSearchView;
-	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
-		@Override
-		public void onTagClicked(String tag) {
-			if (mMenuSearchView != null) {
-				mMenuSearchView.expandActionView();
-				mSearchEditText.setText("");
-				mSearchEditText.append(tag);
-				filter(tag);
-			}
-		}
-	};
-	private String mInitialJid;
-	private Pair<Integer, Intent> mPostponedActivityResult;
-	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
-		@Override
-		public void success(final Conversation conversation) {
-			runOnUiThread(new Runnable() {
-				@Override
-				public void run() {
-					hideToast();
-					switchToConversation(conversation);
-				}
-			});
-		}
-
-		@Override
-		public void error(final int errorCode, Conversation object) {
-			runOnUiThread(new Runnable() {
-				@Override
-				public void run() {
-					replaceToast(getString(errorCode));
-				}
-			});
-		}
-
-		@Override
-		public void userInputRequried(PendingIntent pi, Conversation object) {
-
-		}
-	};
-	private Toast mToast;
-
-	protected void hideToast() {
-		if (mToast != null) {
-			mToast.cancel();
-		}
-	}
-
-	protected void replaceToast(String msg) {
-		hideToast();
-		mToast = Toast.makeText(this, msg ,Toast.LENGTH_LONG);
-		mToast.show();
-	}
-
-	@Override
-	public void onRosterUpdate() {
-		this.refreshUi();
-	}
-
-	@Override
-	public void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		setContentView(R.layout.activity_start_conversation);
-		mViewPager = (ViewPager) findViewById(R.id.start_conversation_view_pager);
-		ActionBar actionBar = getActionBar();
-		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
-
-		mContactsTab = actionBar.newTab().setText(R.string.contacts)
-			.setTabListener(mTabListener);
-		mConferencesTab = actionBar.newTab().setText(R.string.conferences)
-			.setTabListener(mTabListener);
-		actionBar.addTab(mContactsTab);
-		actionBar.addTab(mConferencesTab);
-
-		mViewPager.setOnPageChangeListener(mOnPageChangeListener);
-		mViewPager.setAdapter(new FragmentPagerAdapter(getFragmentManager()) {
-
-			@Override
-			public int getCount() {
-				return 2;
-			}
-
-			@Override
-			public Fragment getItem(int position) {
-				if (position == 0) {
-					return mContactsListFragment;
-				} else {
-					return mConferenceListFragment;
-				}
-			}
-		});
-
-		mConferenceAdapter = new ListItemAdapter(this, conferences);
-		mConferenceListFragment.setListAdapter(mConferenceAdapter);
-		mConferenceListFragment.setContextMenu(R.menu.conference_context);
-		mConferenceListFragment
-			.setOnListItemClickListener(new OnItemClickListener() {
-
-				@Override
-				public void onItemClick(AdapterView<?> arg0, View arg1,
-						int position, long arg3) {
-					openConversationForBookmark(position);
-				}
-			});
-
-		mContactsAdapter = new ListItemAdapter(this, contacts);
-		((ListItemAdapter) mContactsAdapter).setOnTagClickedListener(this.mOnTagClickedListener);
-		mContactsListFragment.setListAdapter(mContactsAdapter);
-		mContactsListFragment.setContextMenu(R.menu.contact_context);
-		mContactsListFragment
-			.setOnListItemClickListener(new OnItemClickListener() {
-
-				@Override
-				public void onItemClick(AdapterView<?> arg0, View arg1,
-						int position, long arg3) {
-					openConversationForContact(position);
-				}
-			});
-
-		this.mHideOfflineContacts = getPreferences().getBoolean("hide_offline", false);
-
-	}
-
-	@Override
-	public void onStart() {
-		super.onStart();
-		askForContactsPermissions();
-	}
-
-	protected void openConversationForContact(int position) {
-		Contact contact = (Contact) contacts.get(position);
-		openConversationForContact(contact);
-	}
-
-	protected void openConversationForContact(Contact contact) {
-		Conversation conversation = xmppConnectionService
-			.findOrCreateConversation(contact.getAccount(),
-					contact.getJid(), false);
-		switchToConversation(conversation);
-	}
-
-	protected void openConversationForContact() {
-		int position = contact_context_id;
-		openConversationForContact(position);
-	}
-
-	protected void openConversationForBookmark() {
-		openConversationForBookmark(conference_context_id);
-	}
-
-	protected void openConversationForBookmark(int position) {
-		Bookmark bookmark = (Bookmark) conferences.get(position);
-		openConversationsForBookmark(bookmark);
-	}
-
-	protected void openConversationsForBookmark(Bookmark bookmark) {
-		Jid jid = bookmark.getJid();
-		if (jid == null) {
-			Toast.makeText(this,R.string.invalid_jid,Toast.LENGTH_SHORT).show();
-			return;
-		}
-		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(),jid, true);
-		conversation.setBookmark(bookmark);
-		if (!conversation.getMucOptions().online()) {
-			xmppConnectionService.joinMuc(conversation);
-		}
-		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", true)) {
-			bookmark.setAutojoin(true);
-			xmppConnectionService.pushBookmarks(bookmark.getAccount());
-		}
-		switchToConversation(conversation);
-	}
-
-	protected void openDetailsForContact() {
-		int position = contact_context_id;
-		Contact contact = (Contact) contacts.get(position);
-		switchToContactDetails(contact);
-	}
-
-	protected void toggleContactBlock() {
-		final int position = contact_context_id;
-		BlockContactDialog.show(this, xmppConnectionService, (Contact) contacts.get(position));
-	}
-
-	protected void deleteContact() {
-		final int position = contact_context_id;
-		final Contact contact = (Contact) contacts.get(position);
-		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setNegativeButton(R.string.cancel, null);
-		builder.setTitle(R.string.action_delete_contact);
-		builder.setMessage(getString(R.string.remove_contact_text,
-				contact.getJid()));
-		builder.setPositiveButton(R.string.delete, new OnClickListener() {
-
-			@Override
-			public void onClick(DialogInterface dialog, int which) {
-				xmppConnectionService.deleteContactOnServer(contact);
-				filter(mSearchEditText.getText().toString());
-			}
-		});
-		builder.create().show();
-	}
-
-	protected void deleteConference() {
-		int position = conference_context_id;
-		final Bookmark bookmark = (Bookmark) conferences.get(position);
-
-		AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setNegativeButton(R.string.cancel, null);
-		builder.setTitle(R.string.delete_bookmark);
-		builder.setMessage(getString(R.string.remove_bookmark_text,
-				bookmark.getJid()));
-		builder.setPositiveButton(R.string.delete, new OnClickListener() {
-
-			@Override
-			public void onClick(DialogInterface dialog, int which) {
-				bookmark.unregisterConversation();
-				Account account = bookmark.getAccount();
-				account.getBookmarks().remove(bookmark);
-				xmppConnectionService.pushBookmarks(account);
-				filter(mSearchEditText.getText().toString());
-			}
-		});
-		builder.create().show();
-
-	}
-
-	@SuppressLint("InflateParams")
-	protected void showCreateContactDialog(final String prefilledJid, final String fingerprint) {
-		EnterJidDialog dialog = new EnterJidDialog(
-			this, mKnownHosts, mActivatedAccounts,
-			getString(R.string.create_contact), getString(R.string.create),
-			prefilledJid, null, fingerprint == null
-		);
-
-		dialog.setOnEnterJidDialogPositiveListener(new EnterJidDialog.OnEnterJidDialogPositiveListener() {
-			@Override
-			public boolean onEnterJidDialogPositive(Jid accountJid, Jid contactJid) throws EnterJidDialog.JidError {
-				if (!xmppConnectionServiceBound) {
-					return false;
-				}
-
-				final Account account = xmppConnectionService.findAccountByJid(accountJid);
-				if (account == null) {
-					return true;
-				}
-
-				final Contact contact = account.getRoster().getContact(contactJid);
-				if (contact.showInRoster()) {
-					throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
-				} else {
-					contact.addOtrFingerprint(fingerprint);
-					xmppConnectionService.createContact(contact);
-					switchToConversation(contact);
-					return true;
-				}
-			}
-		});
-
-		dialog.show();
-	}
-
-	@SuppressLint("InflateParams")
-	protected void showJoinConferenceDialog(final String prefilledJid) {
-		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setTitle(R.string.join_conference);
-		final View dialogView = getLayoutInflater().inflate(R.layout.join_conference_dialog, null);
-		final Spinner spinner = (Spinner) dialogView.findViewById(R.id.account);
-		final AutoCompleteTextView jid = (AutoCompleteTextView) dialogView.findViewById(R.id.jid);
-		final TextView jabberIdDesc = (TextView) dialogView.findViewById(R.id.jabber_id);
-		jabberIdDesc.setText(R.string.conference_address);
-		jid.setHint(R.string.conference_address_example);
-		jid.setAdapter(new KnownHostsAdapter(this, R.layout.simple_list_item, mKnownConferenceHosts));
-		if (prefilledJid != null) {
-			jid.append(prefilledJid);
-		}
-		populateAccountSpinner(this, mActivatedAccounts, spinner);
-		final Checkable bookmarkCheckBox = (CheckBox) dialogView
-			.findViewById(R.id.bookmark);
-		builder.setView(dialogView);
-		builder.setNegativeButton(R.string.cancel, null);
-		builder.setPositiveButton(R.string.join, null);
-		final AlertDialog dialog = builder.create();
-		dialog.show();
-		dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(
-				new View.OnClickListener() {
-
-					@Override
-					public void onClick(final View v) {
-						if (!xmppConnectionServiceBound) {
-							return;
-						}
-						final Account account = getSelectedAccount(spinner);
-						if (account == null) {
-							return;
-						}
-						final Jid conferenceJid;
-						try {
-							conferenceJid = Jid.fromString(jid.getText().toString());
-						} catch (final InvalidJidException e) {
-							jid.setError(getString(R.string.invalid_jid));
-							return;
-						}
-
-						if (bookmarkCheckBox.isChecked()) {
-							if (account.hasBookmarkFor(conferenceJid)) {
-								jid.setError(getString(R.string.bookmark_already_exists));
-							} else {
-								final Bookmark bookmark = new Bookmark(account, conferenceJid.toBareJid());
-								bookmark.setAutojoin(getPreferences().getBoolean("autojoin", true));
-								String nick = conferenceJid.getResourcepart();
-								if (nick != null && !nick.isEmpty()) {
-									bookmark.setNick(nick);
-								}
-								account.getBookmarks().add(bookmark);
-								xmppConnectionService.pushBookmarks(account);
-								final Conversation conversation = xmppConnectionService
-										.findOrCreateConversation(account,
-												conferenceJid, true);
-								conversation.setBookmark(bookmark);
-								if (!conversation.getMucOptions().online()) {
-									xmppConnectionService.joinMuc(conversation);
-								}
-								dialog.dismiss();
-								switchToConversation(conversation);
-							}
-						} else {
-							final Conversation conversation = xmppConnectionService
-									.findOrCreateConversation(account,
-											conferenceJid, true);
-							if (!conversation.getMucOptions().online()) {
-								xmppConnectionService.joinMuc(conversation);
-							}
-							dialog.dismiss();
-							switchToConversation(conversation);
-						}
-					}
-				});
-	}
-
-	private void showCreateConferenceDialog() {
-		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setTitle(R.string.create_conference);
-		final View dialogView = getLayoutInflater().inflate(R.layout.create_conference_dialog, null);
-		final Spinner spinner = (Spinner) dialogView.findViewById(R.id.account);
-		final EditText subject = (EditText) dialogView.findViewById(R.id.subject);
-		populateAccountSpinner(this, mActivatedAccounts, spinner);
-		builder.setView(dialogView);
-		builder.setPositiveButton(R.string.choose_participants, new OnClickListener() {
-			@Override
-			public void onClick(DialogInterface dialog, int which) {
-				if (!xmppConnectionServiceBound) {
-					return;
-				}
-				final Account account = getSelectedAccount(spinner);
-				if (account == null) {
-					return;
-				}
-				Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
-				intent.putExtra("multiple", true);
-				intent.putExtra("show_enter_jid", true);
-				intent.putExtra("subject", subject.getText().toString());
-				intent.putExtra(EXTRA_ACCOUNT, account.getJid().toBareJid().toString());
-				intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID,R.string.choose_participants);
-				startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
-			}
-		});
-		builder.setNegativeButton(R.string.cancel, null);
-		builder.create().show();
-	}
-
-	private Account getSelectedAccount(Spinner spinner) {
-		if (!spinner.isEnabled()) {
-			return null;
-		}
-		Jid jid;
-		try {
-			if (Config.DOMAIN_LOCK != null) {
-				jid = Jid.fromParts((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
-			} else {
-				jid = Jid.fromString((String) spinner.getSelectedItem());
-			}
-		} catch (final InvalidJidException e) {
-			return null;
-		}
-		return xmppConnectionService.findAccountByJid(jid);
-	}
-
-	protected void switchToConversation(Contact contact) {
-		Conversation conversation = xmppConnectionService
-			.findOrCreateConversation(contact.getAccount(),
-					contact.getJid(), false);
-		switchToConversation(conversation);
-	}
-
-	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
-		if (accounts.size() > 0) {
-			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
-			adapter.setDropDownViewResource(R.layout.simple_list_item);
-			spinner.setAdapter(adapter);
-			spinner.setEnabled(true);
-		} else {
-			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
-					R.layout.simple_list_item,
-					Arrays.asList(new String[]{context.getString(R.string.no_accounts)}));
-			adapter.setDropDownViewResource(R.layout.simple_list_item);
-			spinner.setAdapter(adapter);
-			spinner.setEnabled(false);
-		}
-	}
-
-	@Override
-	public boolean onCreateOptionsMenu(Menu menu) {
-		getMenuInflater().inflate(R.menu.start_conversation, menu);
-		MenuItem menuCreateContact = menu.findItem(R.id.action_create_contact);
-		MenuItem menuCreateConference = menu.findItem(R.id.action_conference);
-		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
-		menuHideOffline.setChecked(this.mHideOfflineContacts);
-		mMenuSearchView = menu.findItem(R.id.action_search);
-		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
-		View mSearchView = mMenuSearchView.getActionView();
-		mSearchEditText = (EditText) mSearchView
-			.findViewById(R.id.search_field);
-		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
-		mSearchEditText.setOnEditorActionListener(mSearchDone);
-		if (getActionBar().getSelectedNavigationIndex() == 0) {
-			menuCreateConference.setVisible(false);
-		} else {
-			menuCreateContact.setVisible(false);
-		}
-		if (mInitialJid != null) {
-			mMenuSearchView.expandActionView();
-			mSearchEditText.append(mInitialJid);
-			filter(mInitialJid);
-		}
-		return super.onCreateOptionsMenu(menu);
-	}
-
-	@Override
-	public boolean onOptionsItemSelected(MenuItem item) {
-		switch (item.getItemId()) {
-			case R.id.action_create_contact:
-				showCreateContactDialog(null,null);
-				return true;
-			case R.id.action_join_conference:
-				showJoinConferenceDialog(null);
-				return true;
-			case R.id.action_create_conference:
-				showCreateConferenceDialog();
-				return true;
-			case R.id.action_scan_qr_code:
-				new IntentIntegrator(this).initiateScan();
-				return true;
-			case R.id.action_hide_offline:
-				mHideOfflineContacts = !item.isChecked();
-				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
-				if (mSearchEditText != null) {
-					filter(mSearchEditText.getText().toString());
-				}
-				invalidateOptionsMenu();
-		}
-		return super.onOptionsItemSelected(item);
-	}
-
-	@Override
-	public boolean onKeyUp(int keyCode, KeyEvent event) {
-		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
-			openSearch();
-			return true;
-		}
-		int c = event.getUnicodeChar();
-		if (c > 32) {
-			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
-				openSearch();
-				mSearchEditText.append(Character.toString((char) c));
-				return true;
-			}
-		}
-		return super.onKeyUp(keyCode, event);
-	}
-
-	private void openSearch() {
-		if (mMenuSearchView != null) {
-			mMenuSearchView.expandActionView();
-		}
-	}
-
-	@Override
-	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
-		if ((requestCode & 0xFFFF) == IntentIntegrator.REQUEST_CODE) {
-			IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
-			if (scanResult != null && scanResult.getFormatName() != null) {
-				String data = scanResult.getContents();
-				Invite invite = new Invite(data);
-				if (xmppConnectionServiceBound) {
-					invite.invite();
-				} else if (invite.getJid() != null) {
-					this.mPendingInvite = invite;
-				} else {
-					this.mPendingInvite = null;
-				}
-			}
-		} else if (resultCode == RESULT_OK) {
-			if (xmppConnectionServiceBound) {
-				this.mPostponedActivityResult = null;
-				if (requestCode == REQUEST_CREATE_CONFERENCE) {
-					Account account = extractAccount(intent);
-					final String subject = intent.getStringExtra("subject");
-					List<Jid> jids = new ArrayList<>();
-					if (intent.getBooleanExtra("multiple", false)) {
-						String[] toAdd = intent.getStringArrayExtra("contacts");
-						for (String item : toAdd) {
-							try {
-								jids.add(Jid.fromString(item));
-							} catch (InvalidJidException e) {
-								//ignored
-							}
-						}
-					} else {
-						try {
-							jids.add(Jid.fromString(intent.getStringExtra("contact")));
-						} catch (Exception e) {
-							//ignored
-						}
-					}
-					if (account != null && jids.size() > 0) {
-						xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback);
-						mToast = Toast.makeText(this, R.string.creating_conference,Toast.LENGTH_LONG);
-						mToast.show();
-					}
-				}
-			} else {
-				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
-			}
-		}
-		super.onActivityResult(requestCode, requestCode, intent);
-	}
-
-	private void askForContactsPermissions() {
-		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
-				if (mRequestedContactsPermission.compareAndSet(false, true)) {
-					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
-						AlertDialog.Builder builder = new AlertDialog.Builder(this);
-						builder.setTitle(R.string.sync_with_contacts);
-						builder.setMessage(R.string.sync_with_contacts_long);
-						builder.setPositiveButton(R.string.next, new OnClickListener() {
-							@Override
-							public void onClick(DialogInterface dialog, int which) {
-								if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-									requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
-								}
-							}
-						});
-						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-							builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
-								@Override
-								public void onDismiss(DialogInterface dialog) {
-									if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-										requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
-									}
-								}
-							});
-						}
-						builder.create().show();
-					} else {
-						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
-					}
-				}
-			}
-		}
-	}
-
-	@Override
-	public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
-		if (grantResults.length > 0)
-			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
-					xmppConnectionService.loadPhoneContacts();
-				}
-			}
-	}
-
-	@Override
-	protected void onBackendConnected() {
-		if (mPostponedActivityResult != null) {
-			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
-			this.mPostponedActivityResult = null;
-		}
-		this.mActivatedAccounts.clear();
-		for (Account account : xmppConnectionService.getAccounts()) {
-			if (account.getStatus() != Account.State.DISABLED) {
-				if (Config.DOMAIN_LOCK != null) {
-					this.mActivatedAccounts.add(account.getJid().getLocalpart());
-				} else {
-					this.mActivatedAccounts.add(account.getJid().toBareJid().toString());
-				}
-			}
-		}
-		final Intent intent = getIntent();
-		final ActionBar ab = getActionBar();
-		boolean init = intent != null && intent.getBooleanExtra("init", false);
-		boolean noConversations = xmppConnectionService.getConversations().size() == 0;
-		if ((init || noConversations) && ab != null) {
-			ab.setDisplayShowHomeEnabled(false);
-			ab.setDisplayHomeAsUpEnabled(false);
-			ab.setHomeButtonEnabled(false);
-		}
-		this.mKnownHosts = xmppConnectionService.getKnownHosts();
-		this.mKnownConferenceHosts = xmppConnectionService.getKnownConferenceHosts();
-		if (this.mPendingInvite != null) {
-			mPendingInvite.invite();
-			this.mPendingInvite = null;
-		} else if (!handleIntent(getIntent())) {
-			if (mSearchEditText != null) {
-				filter(mSearchEditText.getText().toString());
-			} else {
-				filter(null);
-			}
-		}
-		setIntent(null);
-	}
-
-	@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
-	Invite getInviteJellyBean(NdefRecord record) {
-		return new Invite(record.toUri());
-	}
-
-	protected boolean handleIntent(Intent intent) {
-		if (intent == null || intent.getAction() == null) {
-			return false;
-		}
-		switch (intent.getAction()) {
-			case Intent.ACTION_SENDTO:
-			case Intent.ACTION_VIEW:
-				Uri uri = intent.getData();
-				if (uri != null) {
-					Log.d(Config.LOGTAG, "received uri=" + intent.getData());
-					return new Invite(intent.getData()).invite();
-				} else {
-					return false;
-				}
-			case NfcAdapter.ACTION_NDEF_DISCOVERED:
-				for (Parcelable message : getIntent().getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)) {
-					if (message instanceof NdefMessage) {
-						Log.d(Config.LOGTAG, "received message=" + message);
-						for (NdefRecord record : ((NdefMessage) message).getRecords()) {
-							switch (record.getTnf()) {
-								case NdefRecord.TNF_WELL_KNOWN:
-									if (Arrays.equals(record.getType(), NdefRecord.RTD_URI)) {
-										if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-											return getInviteJellyBean(record).invite();
-										} else {
-											byte[] payload = record.getPayload();
-											if (payload[0] == 0) {
-												return new Invite(Uri.parse(new String(Arrays.copyOfRange(
-																	payload, 1, payload.length)))).invite();
-											}
-										}
-									}
-							}
-						}
-					}
-				}
-		}
-		return false;
-	}
-
-	private boolean handleJid(Invite invite) {
-		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid());
-		if (invite.isMuc()) {
-			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
-			if (muc != null) {
-				switchToConversation(muc);
-				return true;
-			} else {
-				showJoinConferenceDialog(invite.getJid().toBareJid().toString());
-				return false;
-			}
-		} else if (contacts.size() == 0) {
-			showCreateContactDialog(invite.getJid().toString(),invite.getFingerprint());
-			return false;
-		} else if (contacts.size() == 1) {
-			Contact contact = contacts.get(0);
-			if (invite.getFingerprint() != null) {
-				if (contact.addOtrFingerprint(invite.getFingerprint())) {
-					Log.d(Config.LOGTAG,"added new fingerprint");
-					xmppConnectionService.syncRosterToDisk(contact.getAccount());
-				}
-			}
-			switchToConversation(contact);
-			return true;
-		} else {
-			if (mMenuSearchView != null) {
-				mMenuSearchView.expandActionView();
-				mSearchEditText.setText("");
-				mSearchEditText.append(invite.getJid().toString());
-				filter(invite.getJid().toString());
-			} else {
-				mInitialJid = invite.getJid().toString();
-			}
-			return true;
-		}
-	}
-
-	protected void filter(String needle) {
-		if (xmppConnectionServiceBound) {
-			this.filterContacts(needle);
-			this.filterConferences(needle);
-		}
-	}
-
-	protected void filterContacts(String needle) {
-		this.contacts.clear();
-		for (Account account : xmppConnectionService.getAccounts()) {
-			if (account.getStatus() != Account.State.DISABLED) {
-				for (Contact contact : account.getRoster().getContacts()) {
-					Presence.Status s = contact.getShownStatus();
-					if (contact.showInRoster() && contact.match(this, needle)
-							&& (!this.mHideOfflineContacts
-							|| (needle != null && !needle.trim().isEmpty())
-							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
-						this.contacts.add(contact);
-					}
-				}
-			}
-		}
-		Collections.sort(this.contacts);
-		mContactsAdapter.notifyDataSetChanged();
-	}
-
-	protected void filterConferences(String needle) {
-		this.conferences.clear();
-		for (Account account : xmppConnectionService.getAccounts()) {
-			if (account.getStatus() != Account.State.DISABLED) {
-				for (Bookmark bookmark : account.getBookmarks()) {
-					if (bookmark.match(this, needle)) {
-						this.conferences.add(bookmark);
-					}
-				}
-			}
-		}
-		Collections.sort(this.conferences);
-		mConferenceAdapter.notifyDataSetChanged();
-	}
-
-	private void onTabChanged() {
-		invalidateOptionsMenu();
-	}
-
-	@Override
-	public void OnUpdateBlocklist(final Status status) {
-		refreshUi();
-	}
-
-	@Override
-	protected void refreshUiReal() {
-		if (mSearchEditText != null) {
-			filter(mSearchEditText.getText().toString());
-		}
-	}
-
-	public static class MyListFragment extends ListFragment {
-		private AdapterView.OnItemClickListener mOnItemClickListener;
-		private int mResContextMenu;
-
-		public void setContextMenu(final int res) {
-			this.mResContextMenu = res;
-		}
-
-		@Override
-		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
-			if (mOnItemClickListener != null) {
-				mOnItemClickListener.onItemClick(l, v, position, id);
-			}
-		}
-
-		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
-			this.mOnItemClickListener = l;
-		}
-
-		@Override
-		public void onViewCreated(final View view, final Bundle savedInstanceState) {
-			super.onViewCreated(view, savedInstanceState);
-			registerForContextMenu(getListView());
-			getListView().setFastScrollEnabled(true);
-		}
-
-		@Override
-		public void onCreateContextMenu(final ContextMenu menu, final View v,
-				final ContextMenuInfo menuInfo) {
-			super.onCreateContextMenu(menu, v, menuInfo);
-			final StartConversationActivity activity = (StartConversationActivity) getActivity();
-			activity.getMenuInflater().inflate(mResContextMenu, menu);
-			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
-			if (mResContextMenu == R.menu.conference_context) {
-				activity.conference_context_id = acmi.position;
-			} else if (mResContextMenu == R.menu.contact_context){
-				activity.contact_context_id = acmi.position;
-				final Blockable contact = (Contact) activity.contacts.get(acmi.position);
-				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
-				XmppConnection xmpp = contact.getAccount().getXmppConnection();
-				if (xmpp != null && xmpp.getFeatures().blocking()) {
-					if (contact.isBlocked()) {
-						blockUnblockItem.setTitle(R.string.unblock_contact);
-					} else {
-						blockUnblockItem.setTitle(R.string.block_contact);
-					}
-				} else {
-					blockUnblockItem.setVisible(false);
-				}
-			}
-		}
-
-		@Override
-		public boolean onContextItemSelected(final MenuItem item) {
-			StartConversationActivity activity = (StartConversationActivity) getActivity();
-			switch (item.getItemId()) {
-				case R.id.context_start_conversation:
-					activity.openConversationForContact();
-					break;
-				case R.id.context_contact_details:
-					activity.openDetailsForContact();
-					break;
-				case R.id.context_contact_block_unblock:
-					activity.toggleContactBlock();
-					break;
-				case R.id.context_delete_contact:
-					activity.deleteContact();
-					break;
-				case R.id.context_join_conference:
-					activity.openConversationForBookmark();
-					break;
-				case R.id.context_delete_conference:
-					activity.deleteConference();
-			}
-			return true;
-		}
-	}
-
-	private class Invite extends XmppUri {
-
-		public Invite(final Uri uri) {
-			super(uri);
-		}
-
-		public Invite(final String uri) {
-			super(uri);
-		}
-
-		boolean invite() {
-			if (getJid() != null) {
-				return handleJid(this);
-			}
-			return false;
-		}
-
-		public boolean isMuc() {
-			return muc;
-		}
-	}
+    public int conference_context_id;
+    public int contact_context_id;
+    private Tab mContactsTab;
+    private Tab mConferencesTab;
+    private ViewPager mViewPager;
+    private ListPagerAdapter mListPagerAdapter;
+    private List<ListItem> contacts = new ArrayList<>();
+    private ArrayAdapter<ListItem> mContactsAdapter;
+    private List<ListItem> conferences = new ArrayList<>();
+    private ArrayAdapter<ListItem> mConferenceAdapter;
+    private List<String> mActivatedAccounts = new ArrayList<>();
+    private List<String> mKnownHosts;
+    private List<String> mKnownConferenceHosts;
+    private Invite mPendingInvite = null;
+    private EditText mSearchEditText;
+    private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
+    private final int REQUEST_SYNC_CONTACTS = 0x3b28cf;
+    private final int REQUEST_CREATE_CONFERENCE = 0x3b39da;
+    private Dialog mCurrentDialog = null;
+
+    private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
+
+        @Override
+        public boolean onMenuItemActionExpand(MenuItem item) {
+            mSearchEditText.post(new Runnable() {
+
+                @Override
+                public void run() {
+                    mSearchEditText.requestFocus();
+                    InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+                    imm.showSoftInput(mSearchEditText,
+                            InputMethodManager.SHOW_IMPLICIT);
+                }
+            });
+
+            return true;
+        }
+
+        @Override
+        public boolean onMenuItemActionCollapse(MenuItem item) {
+            hideKeyboard();
+            mSearchEditText.setText("");
+            filter(null);
+            return true;
+        }
+    };
+    private boolean mHideOfflineContacts = false;
+    private TabListener mTabListener = new TabListener() {
+
+        @Override
+        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
+            return;
+        }
+
+        @Override
+        public void onTabSelected(Tab tab, FragmentTransaction ft) {
+            mViewPager.setCurrentItem(tab.getPosition());
+            onTabChanged();
+        }
+
+        @Override
+        public void onTabReselected(Tab tab, FragmentTransaction ft) {
+            return;
+        }
+    };
+    private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
+        @Override
+        public void onPageSelected(int position) {
+            if (getActionBar() != null) {
+                getActionBar().setSelectedNavigationItem(position);
+            }
+            onTabChanged();
+        }
+    };
+    private TextWatcher mSearchTextWatcher = new TextWatcher() {
+
+        @Override
+        public void afterTextChanged(Editable editable) {
+            filter(editable.toString());
+        }
+
+        @Override
+        public void beforeTextChanged(CharSequence s, int start, int count,
+                                      int after) {
+        }
+
+        @Override
+        public void onTextChanged(CharSequence s, int start, int before, int count) {
+        }
+    };
+
+    private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
+        @Override
+        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+            int pos = getActionBar().getSelectedNavigationIndex();
+            if (pos == 0) {
+                if (contacts.size() == 1) {
+                    openConversationForContact((Contact) contacts.get(0));
+                    return true;
+                }
+            } else {
+                if (conferences.size() == 1) {
+                    openConversationsForBookmark((Bookmark) conferences.get(0));
+                    return true;
+                }
+            }
+            hideKeyboard();
+            mListPagerAdapter.requestFocus(pos);
+            return true;
+        }
+    };
+    private MenuItem mMenuSearchView;
+    private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
+        @Override
+        public void onTagClicked(String tag) {
+            if (mMenuSearchView != null) {
+                mMenuSearchView.expandActionView();
+                mSearchEditText.setText("");
+                mSearchEditText.append(tag);
+                filter(tag);
+            }
+        }
+    };
+    private String mInitialJid;
+    private Pair<Integer, Intent> mPostponedActivityResult;
+    private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
+        @Override
+        public void success(final Conversation conversation) {
+            runOnUiThread(new Runnable() {
+                @Override
+                public void run() {
+                    hideToast();
+                    switchToConversation(conversation);
+                }
+            });
+        }
+
+        @Override
+        public void error(final int errorCode, Conversation object) {
+            runOnUiThread(new Runnable() {
+                @Override
+                public void run() {
+                    replaceToast(getString(errorCode));
+                }
+            });
+        }
+
+        @Override
+        public void userInputRequried(PendingIntent pi, Conversation object) {
+
+        }
+    };
+    private Toast mToast;
+
+    protected void hideToast() {
+        if (mToast != null) {
+            mToast.cancel();
+        }
+    }
+
+    protected void replaceToast(String msg) {
+        hideToast();
+        mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
+        mToast.show();
+    }
+
+    @Override
+    public void onRosterUpdate() {
+        this.refreshUi();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_start_conversation);
+        mViewPager = (ViewPager) findViewById(R.id.start_conversation_view_pager);
+        ActionBar actionBar = getActionBar();
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
+
+        mContactsTab = actionBar.newTab().setText(R.string.contacts)
+                .setTabListener(mTabListener);
+        mConferencesTab = actionBar.newTab().setText(R.string.conferences)
+                .setTabListener(mTabListener);
+        actionBar.addTab(mContactsTab);
+        actionBar.addTab(mConferencesTab);
+
+        mViewPager.setOnPageChangeListener(mOnPageChangeListener);
+        mListPagerAdapter = new ListPagerAdapter(getFragmentManager());
+        mViewPager.setAdapter(mListPagerAdapter);
+
+        mConferenceAdapter = new ListItemAdapter(this, conferences);
+        mContactsAdapter = new ListItemAdapter(this, contacts);
+        ((ListItemAdapter) mContactsAdapter).setOnTagClickedListener(this.mOnTagClickedListener);
+        this.mHideOfflineContacts = getPreferences().getBoolean("hide_offline", false);
+
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        askForContactsPermissions();
+    }
+
+    @Override
+    public void onStop() {
+        if (mCurrentDialog != null) {
+            mCurrentDialog.dismiss();
+        }
+        super.onStop();
+    }
+
+    protected void openConversationForContact(int position) {
+        Contact contact = (Contact) contacts.get(position);
+        openConversationForContact(contact);
+    }
+
+    protected void openConversationForContact(Contact contact) {
+        Conversation conversation = xmppConnectionService
+                .findOrCreateConversation(contact.getAccount(),
+                        contact.getJid(), false);
+        switchToConversation(conversation);
+    }
+
+    protected void openConversationForContact() {
+        int position = contact_context_id;
+        openConversationForContact(position);
+    }
+
+    protected void openConversationForBookmark() {
+        openConversationForBookmark(conference_context_id);
+    }
+
+    protected void openConversationForBookmark(int position) {
+        Bookmark bookmark = (Bookmark) conferences.get(position);
+        openConversationsForBookmark(bookmark);
+    }
+
+    protected void openConversationsForBookmark(Bookmark bookmark) {
+        Jid jid = bookmark.getJid();
+        if (jid == null) {
+            Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
+            return;
+        }
+        Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true);
+        conversation.setBookmark(bookmark);
+        if (!conversation.getMucOptions().online()) {
+            xmppConnectionService.joinMuc(conversation);
+        }
+        if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", true)) {
+            bookmark.setAutojoin(true);
+            xmppConnectionService.pushBookmarks(bookmark.getAccount());
+        }
+        switchToConversation(conversation);
+    }
+
+    protected void openDetailsForContact() {
+        int position = contact_context_id;
+        Contact contact = (Contact) contacts.get(position);
+        switchToContactDetails(contact);
+    }
+
+    protected void toggleContactBlock() {
+        final int position = contact_context_id;
+        BlockContactDialog.show(this, xmppConnectionService, (Contact) contacts.get(position));
+    }
+
+    protected void deleteContact() {
+        final int position = contact_context_id;
+        final Contact contact = (Contact) contacts.get(position);
+        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setNegativeButton(R.string.cancel, null);
+        builder.setTitle(R.string.action_delete_contact);
+        builder.setMessage(getString(R.string.remove_contact_text,
+                contact.getJid()));
+        builder.setPositiveButton(R.string.delete, new OnClickListener() {
+
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                xmppConnectionService.deleteContactOnServer(contact);
+                filter(mSearchEditText.getText().toString());
+            }
+        });
+        builder.create().show();
+    }
+
+    protected void deleteConference() {
+        int position = conference_context_id;
+        final Bookmark bookmark = (Bookmark) conferences.get(position);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setNegativeButton(R.string.cancel, null);
+        builder.setTitle(R.string.delete_bookmark);
+        builder.setMessage(getString(R.string.remove_bookmark_text,
+                bookmark.getJid()));
+        builder.setPositiveButton(R.string.delete, new OnClickListener() {
+
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                bookmark.unregisterConversation();
+                Account account = bookmark.getAccount();
+                account.getBookmarks().remove(bookmark);
+                xmppConnectionService.pushBookmarks(account);
+                filter(mSearchEditText.getText().toString());
+            }
+        });
+        builder.create().show();
+
+    }
+
+    @SuppressLint("InflateParams")
+    protected void showCreateContactDialog(final String prefilledJid, final String fingerprint) {
+        EnterJidDialog dialog = new EnterJidDialog(
+                this, mKnownHosts, mActivatedAccounts,
+                getString(R.string.create_contact), getString(R.string.create),
+                prefilledJid, null, fingerprint == null
+        );
+
+        dialog.setOnEnterJidDialogPositiveListener(new EnterJidDialog.OnEnterJidDialogPositiveListener() {
+            @Override
+            public boolean onEnterJidDialogPositive(Jid accountJid, Jid contactJid) throws EnterJidDialog.JidError {
+                if (!xmppConnectionServiceBound) {
+                    return false;
+                }
+
+                final Account account = xmppConnectionService.findAccountByJid(accountJid);
+                if (account == null) {
+                    return true;
+                }
+
+                final Contact contact = account.getRoster().getContact(contactJid);
+                if (contact.showInRoster()) {
+                    throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
+                } else {
+                    contact.addOtrFingerprint(fingerprint);
+                    xmppConnectionService.createContact(contact);
+                    switchToConversation(contact);
+                    return true;
+                }
+            }
+        });
+
+        mCurrentDialog = dialog.show();
+    }
+
+    @SuppressLint("InflateParams")
+    protected void showJoinConferenceDialog(final String prefilledJid) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.join_conference);
+        final View dialogView = getLayoutInflater().inflate(R.layout.join_conference_dialog, null);
+        final Spinner spinner = (Spinner) dialogView.findViewById(R.id.account);
+        final AutoCompleteTextView jid = (AutoCompleteTextView) dialogView.findViewById(R.id.jid);
+        final TextView jabberIdDesc = (TextView) dialogView.findViewById(R.id.jabber_id);
+        jabberIdDesc.setText(R.string.conference_address);
+        jid.setHint(R.string.conference_address_example);
+        jid.setAdapter(new KnownHostsAdapter(this, R.layout.simple_list_item, mKnownConferenceHosts));
+        if (prefilledJid != null) {
+            jid.append(prefilledJid);
+        }
+        populateAccountSpinner(this, mActivatedAccounts, spinner);
+        final Checkable bookmarkCheckBox = (CheckBox) dialogView
+                .findViewById(R.id.bookmark);
+        builder.setView(dialogView);
+        builder.setNegativeButton(R.string.cancel, null);
+        builder.setPositiveButton(R.string.join, null);
+        final AlertDialog dialog = builder.create();
+        dialog.show();
+        mCurrentDialog = dialog;
+        dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(
+                new View.OnClickListener() {
+
+                    @Override
+                    public void onClick(final View v) {
+                        if (!xmppConnectionServiceBound) {
+                            return;
+                        }
+                        final Account account = getSelectedAccount(spinner);
+                        if (account == null) {
+                            return;
+                        }
+                        final Jid conferenceJid;
+                        try {
+                            conferenceJid = Jid.fromString(jid.getText().toString());
+                        } catch (final InvalidJidException e) {
+                            jid.setError(getString(R.string.invalid_jid));
+                            return;
+                        }
+
+                        if (bookmarkCheckBox.isChecked()) {
+                            if (account.hasBookmarkFor(conferenceJid)) {
+                                jid.setError(getString(R.string.bookmark_already_exists));
+                            } else {
+                                final Bookmark bookmark = new Bookmark(account, conferenceJid.toBareJid());
+                                bookmark.setAutojoin(getPreferences().getBoolean("autojoin", true));
+                                String nick = conferenceJid.getResourcepart();
+                                if (nick != null && !nick.isEmpty()) {
+                                    bookmark.setNick(nick);
+                                }
+                                account.getBookmarks().add(bookmark);
+                                xmppConnectionService.pushBookmarks(account);
+                                final Conversation conversation = xmppConnectionService
+                                        .findOrCreateConversation(account,
+                                                conferenceJid, true);
+                                conversation.setBookmark(bookmark);
+                                if (!conversation.getMucOptions().online()) {
+                                    xmppConnectionService.joinMuc(conversation);
+                                }
+                                dialog.dismiss();
+                                mCurrentDialog = null;
+                                switchToConversation(conversation);
+                            }
+                        } else {
+                            final Conversation conversation = xmppConnectionService
+                                    .findOrCreateConversation(account,
+                                            conferenceJid, true);
+                            if (!conversation.getMucOptions().online()) {
+                                xmppConnectionService.joinMuc(conversation);
+                            }
+                            dialog.dismiss();
+                            mCurrentDialog = null;
+                            switchToConversation(conversation);
+                        }
+                    }
+                });
+    }
+
+    private void showCreateConferenceDialog() {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.create_conference);
+        final View dialogView = getLayoutInflater().inflate(R.layout.create_conference_dialog, null);
+        final Spinner spinner = (Spinner) dialogView.findViewById(R.id.account);
+        final EditText subject = (EditText) dialogView.findViewById(R.id.subject);
+        populateAccountSpinner(this, mActivatedAccounts, spinner);
+        builder.setView(dialogView);
+        builder.setPositiveButton(R.string.choose_participants, new OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                if (!xmppConnectionServiceBound) {
+                    return;
+                }
+                final Account account = getSelectedAccount(spinner);
+                if (account == null) {
+                    return;
+                }
+                Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
+                intent.putExtra("multiple", true);
+                intent.putExtra("show_enter_jid", true);
+                intent.putExtra("subject", subject.getText().toString());
+                intent.putExtra(EXTRA_ACCOUNT, account.getJid().toBareJid().toString());
+                intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
+                startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
+            }
+        });
+        builder.setNegativeButton(R.string.cancel, null);
+        mCurrentDialog = builder.create();
+        mCurrentDialog.show();
+    }
+
+    private Account getSelectedAccount(Spinner spinner) {
+        if (!spinner.isEnabled()) {
+            return null;
+        }
+        Jid jid;
+        try {
+            if (Config.DOMAIN_LOCK != null) {
+                jid = Jid.fromParts((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
+            } else {
+                jid = Jid.fromString((String) spinner.getSelectedItem());
+            }
+        } catch (final InvalidJidException e) {
+            return null;
+        }
+        return xmppConnectionService.findAccountByJid(jid);
+    }
+
+    protected void switchToConversation(Contact contact) {
+        Conversation conversation = xmppConnectionService
+                .findOrCreateConversation(contact.getAccount(),
+                        contact.getJid(), false);
+        switchToConversation(conversation);
+    }
+
+    public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
+        if (accounts.size() > 0) {
+            ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
+            adapter.setDropDownViewResource(R.layout.simple_list_item);
+            spinner.setAdapter(adapter);
+            spinner.setEnabled(true);
+        } else {
+            ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
+                    R.layout.simple_list_item,
+                    Arrays.asList(new String[]{context.getString(R.string.no_accounts)}));
+            adapter.setDropDownViewResource(R.layout.simple_list_item);
+            spinner.setAdapter(adapter);
+            spinner.setEnabled(false);
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.start_conversation, menu);
+        MenuItem menuCreateContact = menu.findItem(R.id.action_create_contact);
+        MenuItem menuCreateConference = menu.findItem(R.id.action_conference);
+        MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
+        menuHideOffline.setChecked(this.mHideOfflineContacts);
+        mMenuSearchView = menu.findItem(R.id.action_search);
+        mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
+        View mSearchView = mMenuSearchView.getActionView();
+        mSearchEditText = (EditText) mSearchView
+                .findViewById(R.id.search_field);
+        mSearchEditText.addTextChangedListener(mSearchTextWatcher);
+        mSearchEditText.setOnEditorActionListener(mSearchDone);
+        if (getActionBar().getSelectedNavigationIndex() == 0) {
+            menuCreateConference.setVisible(false);
+        } else {
+            menuCreateContact.setVisible(false);
+        }
+        if (mInitialJid != null) {
+            mMenuSearchView.expandActionView();
+            mSearchEditText.append(mInitialJid);
+            filter(mInitialJid);
+        }
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.action_create_contact:
+                showCreateContactDialog(null, null);
+                return true;
+            case R.id.action_join_conference:
+                showJoinConferenceDialog(null);
+                return true;
+            case R.id.action_create_conference:
+                showCreateConferenceDialog();
+                return true;
+            case R.id.action_scan_qr_code:
+                new IntentIntegrator(this).initiateScan();
+                return true;
+            case R.id.action_hide_offline:
+                mHideOfflineContacts = !item.isChecked();
+                getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
+                if (mSearchEditText != null) {
+                    filter(mSearchEditText.getText().toString());
+                }
+                invalidateOptionsMenu();
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
+            openSearch();
+            return true;
+        }
+        int c = event.getUnicodeChar();
+        if (c > 32) {
+            if (mSearchEditText != null && !mSearchEditText.isFocused()) {
+                openSearch();
+                mSearchEditText.append(Character.toString((char) c));
+                return true;
+            }
+        }
+        return super.onKeyUp(keyCode, event);
+    }
+
+    private void openSearch() {
+        if (mMenuSearchView != null) {
+            mMenuSearchView.expandActionView();
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        if ((requestCode & 0xFFFF) == IntentIntegrator.REQUEST_CODE) {
+            IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
+            if (scanResult != null && scanResult.getFormatName() != null) {
+                String data = scanResult.getContents();
+                Invite invite = new Invite(data);
+                if (xmppConnectionServiceBound) {
+                    invite.invite();
+                } else if (invite.getJid() != null) {
+                    this.mPendingInvite = invite;
+                } else {
+                    this.mPendingInvite = null;
+                }
+            }
+        } else if (resultCode == RESULT_OK) {
+            if (xmppConnectionServiceBound) {
+                this.mPostponedActivityResult = null;
+                if (requestCode == REQUEST_CREATE_CONFERENCE) {
+                    Account account = extractAccount(intent);
+                    final String subject = intent.getStringExtra("subject");
+                    List<Jid> jids = new ArrayList<>();
+                    if (intent.getBooleanExtra("multiple", false)) {
+                        String[] toAdd = intent.getStringArrayExtra("contacts");
+                        for (String item : toAdd) {
+                            try {
+                                jids.add(Jid.fromString(item));
+                            } catch (InvalidJidException e) {
+                                //ignored
+                            }
+                        }
+                    } else {
+                        try {
+                            jids.add(Jid.fromString(intent.getStringExtra("contact")));
+                        } catch (Exception e) {
+                            //ignored
+                        }
+                    }
+                    if (account != null && jids.size() > 0) {
+                        xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback);
+                        mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
+                        mToast.show();
+                    }
+                }
+            } else {
+                this.mPostponedActivityResult = new Pair<>(requestCode, intent);
+            }
+        }
+        super.onActivityResult(requestCode, requestCode, intent);
+    }
+
+    private void askForContactsPermissions() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
+                if (mRequestedContactsPermission.compareAndSet(false, true)) {
+                    if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
+                        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                        builder.setTitle(R.string.sync_with_contacts);
+                        builder.setMessage(R.string.sync_with_contacts_long);
+                        builder.setPositiveButton(R.string.next, new OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                                    requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
+                                }
+                            }
+                        });
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                            builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
+                                @Override
+                                public void onDismiss(DialogInterface dialog) {
+                                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                                        requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
+                                    }
+                                }
+                            });
+                        }
+                        builder.create().show();
+                    } else {
+                        requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
+        if (grantResults.length > 0)
+            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
+                    xmppConnectionService.loadPhoneContacts();
+                }
+            }
+    }
+
+    @Override
+    protected void onBackendConnected() {
+        if (mPostponedActivityResult != null) {
+            onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
+            this.mPostponedActivityResult = null;
+        }
+        this.mActivatedAccounts.clear();
+        for (Account account : xmppConnectionService.getAccounts()) {
+            if (account.getStatus() != Account.State.DISABLED) {
+                if (Config.DOMAIN_LOCK != null) {
+                    this.mActivatedAccounts.add(account.getJid().getLocalpart());
+                } else {
+                    this.mActivatedAccounts.add(account.getJid().toBareJid().toString());
+                }
+            }
+        }
+        final Intent intent = getIntent();
+        final ActionBar ab = getActionBar();
+        boolean init = intent != null && intent.getBooleanExtra("init", false);
+        boolean noConversations = xmppConnectionService.getConversations().size() == 0;
+        if ((init || noConversations) && ab != null) {
+            ab.setDisplayShowHomeEnabled(false);
+            ab.setDisplayHomeAsUpEnabled(false);
+            ab.setHomeButtonEnabled(false);
+        }
+        this.mKnownHosts = xmppConnectionService.getKnownHosts();
+        this.mKnownConferenceHosts = xmppConnectionService.getKnownConferenceHosts();
+        if (this.mPendingInvite != null) {
+            mPendingInvite.invite();
+            this.mPendingInvite = null;
+        } else if (!handleIntent(getIntent())) {
+            if (mSearchEditText != null) {
+                filter(mSearchEditText.getText().toString());
+            } else {
+                filter(null);
+            }
+        }
+        setIntent(null);
+    }
+
+    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
+    Invite getInviteJellyBean(NdefRecord record) {
+        return new Invite(record.toUri());
+    }
+
+    protected boolean handleIntent(Intent intent) {
+        if (intent == null || intent.getAction() == null) {
+            return false;
+        }
+        switch (intent.getAction()) {
+            case Intent.ACTION_SENDTO:
+            case Intent.ACTION_VIEW:
+                Uri uri = intent.getData();
+                if (uri != null) {
+                    Log.d(Config.LOGTAG, "received uri=" + intent.getData());
+                    return new Invite(intent.getData()).invite();
+                } else {
+                    return false;
+                }
+            case NfcAdapter.ACTION_NDEF_DISCOVERED:
+                for (Parcelable message : getIntent().getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)) {
+                    if (message instanceof NdefMessage) {
+                        Log.d(Config.LOGTAG, "received message=" + message);
+                        for (NdefRecord record : ((NdefMessage) message).getRecords()) {
+                            switch (record.getTnf()) {
+                                case NdefRecord.TNF_WELL_KNOWN:
+                                    if (Arrays.equals(record.getType(), NdefRecord.RTD_URI)) {
+                                        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+                                            return getInviteJellyBean(record).invite();
+                                        } else {
+                                            byte[] payload = record.getPayload();
+                                            if (payload[0] == 0) {
+                                                return new Invite(Uri.parse(new String(Arrays.copyOfRange(
+                                                        payload, 1, payload.length)))).invite();
+                                            }
+                                        }
+                                    }
+                            }
+                        }
+                    }
+                }
+        }
+        return false;
+    }
+
+    private boolean handleJid(Invite invite) {
+        List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid());
+        if (invite.isMuc()) {
+            Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
+            if (muc != null) {
+                switchToConversation(muc);
+                return true;
+            } else {
+                showJoinConferenceDialog(invite.getJid().toBareJid().toString());
+                return false;
+            }
+        } else if (contacts.size() == 0) {
+            showCreateContactDialog(invite.getJid().toString(), invite.getFingerprint());
+            return false;
+        } else if (contacts.size() == 1) {
+            Contact contact = contacts.get(0);
+            if (invite.getFingerprint() != null) {
+                if (contact.addOtrFingerprint(invite.getFingerprint())) {
+                    Log.d(Config.LOGTAG, "added new fingerprint");
+                    xmppConnectionService.syncRosterToDisk(contact.getAccount());
+                }
+            }
+            switchToConversation(contact);
+            return true;
+        } else {
+            if (mMenuSearchView != null) {
+                mMenuSearchView.expandActionView();
+                mSearchEditText.setText("");
+                mSearchEditText.append(invite.getJid().toString());
+                filter(invite.getJid().toString());
+            } else {
+                mInitialJid = invite.getJid().toString();
+            }
+            return true;
+        }
+    }
+
+    protected void filter(String needle) {
+        if (xmppConnectionServiceBound) {
+            this.filterContacts(needle);
+            this.filterConferences(needle);
+        }
+    }
+
+    protected void filterContacts(String needle) {
+        this.contacts.clear();
+        for (Account account : xmppConnectionService.getAccounts()) {
+            if (account.getStatus() != Account.State.DISABLED) {
+                for (Contact contact : account.getRoster().getContacts()) {
+                    Presence.Status s = contact.getShownStatus();
+                    if (contact.showInRoster() && contact.match(this, needle)
+                            && (!this.mHideOfflineContacts
+                            || (needle != null && !needle.trim().isEmpty())
+                            || s.compareTo(Presence.Status.OFFLINE) < 0)) {
+                        this.contacts.add(contact);
+                    }
+                }
+            }
+        }
+        Collections.sort(this.contacts);
+        mContactsAdapter.notifyDataSetChanged();
+    }
+
+    protected void filterConferences(String needle) {
+        this.conferences.clear();
+        for (Account account : xmppConnectionService.getAccounts()) {
+            if (account.getStatus() != Account.State.DISABLED) {
+                for (Bookmark bookmark : account.getBookmarks()) {
+                    if (bookmark.match(this, needle)) {
+                        this.conferences.add(bookmark);
+                    }
+                }
+            }
+        }
+        Collections.sort(this.conferences);
+        mConferenceAdapter.notifyDataSetChanged();
+    }
+
+    private void onTabChanged() {
+        invalidateOptionsMenu();
+    }
+
+    @Override
+    public void OnUpdateBlocklist(final Status status) {
+        refreshUi();
+    }
+
+    @Override
+    protected void refreshUiReal() {
+        if (mSearchEditText != null) {
+            filter(mSearchEditText.getText().toString());
+        }
+    }
+
+    public class ListPagerAdapter extends PagerAdapter {
+        FragmentManager fragmentManager;
+        MyListFragment[] fragments;
+
+        public ListPagerAdapter(FragmentManager fm) {
+            fragmentManager = fm;
+            fragments = new MyListFragment[2];
+        }
+
+        public void requestFocus(int pos) {
+            if (fragments.length > pos) {
+                fragments[pos].getListView().requestFocus();
+            }
+        }
+
+        @Override
+        public void destroyItem(ViewGroup container, int position, Object object) {
+            assert (0 <= position && position < fragments.length);
+            FragmentTransaction trans = fragmentManager.beginTransaction();
+            trans.remove(fragments[position]);
+            trans.commit();
+            fragments[position] = null;
+        }
+
+        @Override
+        public Fragment instantiateItem(ViewGroup container, int position) {
+            Fragment fragment = getItem(position);
+            FragmentTransaction trans = fragmentManager.beginTransaction();
+            trans.add(container.getId(), fragment, "fragment:" + position);
+            trans.commit();
+            return fragment;
+        }
+
+        @Override
+        public int getCount() {
+            return fragments.length;
+        }
+
+        @Override
+        public boolean isViewFromObject(View view, Object fragment) {
+            return ((Fragment) fragment).getView() == view;
+        }
+
+        public Fragment getItem(int position) {
+            assert (0 <= position && position < fragments.length);
+            if (fragments[position] == null) {
+                final MyListFragment listFragment = new MyListFragment();
+                if (position == 1) {
+                    listFragment.setListAdapter(mConferenceAdapter);
+                    listFragment.setContextMenu(R.menu.conference_context);
+                    listFragment.setOnListItemClickListener(new OnItemClickListener() {
+
+                        @Override
+                        public void onItemClick(AdapterView<?> arg0, View arg1,
+                                                int position, long arg3) {
+                            openConversationForBookmark(position);
+                        }
+                    });
+                } else {
+
+                    listFragment.setListAdapter(mContactsAdapter);
+                    listFragment.setContextMenu(R.menu.contact_context);
+                    listFragment.setOnListItemClickListener(new OnItemClickListener() {
+
+                        @Override
+                        public void onItemClick(AdapterView<?> arg0, View arg1,
+                                                int position, long arg3) {
+                            openConversationForContact(position);
+                        }
+                    });
+                }
+                fragments[position] = listFragment;
+            }
+            return fragments[position];
+        }
+    }
+
+    public static class MyListFragment extends ListFragment {
+        private AdapterView.OnItemClickListener mOnItemClickListener;
+        private int mResContextMenu;
+
+        public void setContextMenu(final int res) {
+            this.mResContextMenu = res;
+        }
+
+        @Override
+        public void onListItemClick(final ListView l, final View v, final int position, final long id) {
+            if (mOnItemClickListener != null) {
+                mOnItemClickListener.onItemClick(l, v, position, id);
+            }
+        }
+
+        public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
+            this.mOnItemClickListener = l;
+        }
+
+        @Override
+        public void onViewCreated(final View view, final Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
+            registerForContextMenu(getListView());
+            getListView().setFastScrollEnabled(true);
+        }
+
+        @Override
+        public void onCreateContextMenu(final ContextMenu menu, final View v,
+                                        final ContextMenuInfo menuInfo) {
+            super.onCreateContextMenu(menu, v, menuInfo);
+            final StartConversationActivity activity = (StartConversationActivity) getActivity();
+            activity.getMenuInflater().inflate(mResContextMenu, menu);
+            final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
+            if (mResContextMenu == R.menu.conference_context) {
+                activity.conference_context_id = acmi.position;
+            } else if (mResContextMenu == R.menu.contact_context) {
+                activity.contact_context_id = acmi.position;
+                final Blockable contact = (Contact) activity.contacts.get(acmi.position);
+                final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
+                XmppConnection xmpp = contact.getAccount().getXmppConnection();
+                if (xmpp != null && xmpp.getFeatures().blocking()) {
+                    if (contact.isBlocked()) {
+                        blockUnblockItem.setTitle(R.string.unblock_contact);
+                    } else {
+                        blockUnblockItem.setTitle(R.string.block_contact);
+                    }
+                } else {
+                    blockUnblockItem.setVisible(false);
+                }
+            }
+        }
+
+        @Override
+        public boolean onContextItemSelected(final MenuItem item) {
+            StartConversationActivity activity = (StartConversationActivity) getActivity();
+            switch (item.getItemId()) {
+                case R.id.context_start_conversation:
+                    activity.openConversationForContact();
+                    break;
+                case R.id.context_contact_details:
+                    activity.openDetailsForContact();
+                    break;
+                case R.id.context_contact_block_unblock:
+                    activity.toggleContactBlock();
+                    break;
+                case R.id.context_delete_contact:
+                    activity.deleteContact();
+                    break;
+                case R.id.context_join_conference:
+                    activity.openConversationForBookmark();
+                    break;
+                case R.id.context_delete_conference:
+                    activity.deleteConference();
+            }
+            return true;
+        }
+    }
+
+    private class Invite extends XmppUri {
+
+        public Invite(final Uri uri) {
+            super(uri);
+        }
+
+        public Invite(final String uri) {
+            super(uri);
+        }
+
+        boolean invite() {
+            if (getJid() != null) {
+                return handleJid(this);
+            }
+            return false;
+        }
+
+        public boolean isMuc() {
+            return muc;
+        }
+    }
 }