1package eu.siacs.conversations.ui;
2
3import android.annotation.TargetApi;
4import android.app.AlertDialog;
5import android.app.PendingIntent;
6import android.content.Context;
7import android.content.DialogInterface;
8import android.content.IntentSender.SendIntentException;
9import android.content.res.Configuration;
10import android.graphics.Bitmap;
11import android.os.Build;
12import android.os.Bundle;
13import android.view.ContextMenu;
14import android.view.LayoutInflater;
15import android.view.Menu;
16import android.view.MenuItem;
17import android.view.View;
18import android.view.View.OnClickListener;
19import android.widget.Button;
20import android.widget.ImageButton;
21import android.widget.ImageView;
22import android.widget.LinearLayout;
23import android.widget.TableLayout;
24import android.widget.TextView;
25import android.widget.Toast;
26
27import org.openintents.openpgp.util.OpenPgpUtils;
28
29import java.util.ArrayList;
30import java.util.Collections;
31import java.util.Comparator;
32
33import eu.siacs.conversations.Config;
34import eu.siacs.conversations.R;
35import eu.siacs.conversations.crypto.PgpEngine;
36import eu.siacs.conversations.entities.Account;
37import eu.siacs.conversations.entities.Bookmark;
38import eu.siacs.conversations.entities.Contact;
39import eu.siacs.conversations.entities.Conversation;
40import eu.siacs.conversations.entities.MucOptions;
41import eu.siacs.conversations.entities.MucOptions.User;
42import eu.siacs.conversations.services.XmppConnectionService;
43import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
44import eu.siacs.conversations.services.XmppConnectionService.OnMucRosterUpdate;
45import eu.siacs.conversations.utils.UIHelper;
46import eu.siacs.conversations.xmpp.jid.Jid;
47
48public class ConferenceDetailsActivity extends XmppActivity implements OnConversationUpdate, OnMucRosterUpdate, XmppConnectionService.OnAffiliationChanged, XmppConnectionService.OnRoleChanged, XmppConnectionService.OnConferenceOptionsPushed {
49 public static final String ACTION_VIEW_MUC = "view_muc";
50 private Conversation mConversation;
51 private OnClickListener inviteListener = new OnClickListener() {
52
53 @Override
54 public void onClick(View v) {
55 inviteToConversation(mConversation);
56 }
57 };
58 private LinearLayout mMainLayout;
59 private TextView mYourNick;
60 private ImageView mYourPhoto;
61 private ImageButton mEditNickButton;
62 private TextView mRoleAffiliaton;
63 private TextView mFullJid;
64 private TextView mAccountJid;
65 private LinearLayout membersView;
66 private LinearLayout mMoreDetails;
67 private TextView mConferenceType;
68 private TableLayout mConferenceInfoTable;
69 private TextView mConferenceInfoMam;
70 private ImageButton mChangeConferenceSettingsButton;
71 private Button mInviteButton;
72 private String uuid = null;
73 private User mSelectedUser = null;
74
75 private boolean mAdvancedMode = false;
76
77 private UiCallback<Conversation> renameCallback = new UiCallback<Conversation>() {
78 @Override
79 public void success(Conversation object) {
80 runOnUiThread(new Runnable() {
81 @Override
82 public void run() {
83 Toast.makeText(ConferenceDetailsActivity.this,getString(R.string.your_nick_has_been_changed),Toast.LENGTH_SHORT).show();
84 updateView();
85 }
86 });
87
88 }
89
90 @Override
91 public void error(final int errorCode, Conversation object) {
92 runOnUiThread(new Runnable() {
93 @Override
94 public void run() {
95 Toast.makeText(ConferenceDetailsActivity.this,getString(errorCode),Toast.LENGTH_SHORT).show();
96 }
97 });
98 }
99
100 @Override
101 public void userInputRequried(PendingIntent pi, Conversation object) {
102
103 }
104 };
105 private OnClickListener mChangeConferenceSettings = new OnClickListener() {
106 @Override
107 public void onClick(View v) {
108 final MucOptions mucOptions = mConversation.getMucOptions();
109 AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
110 builder.setTitle(R.string.conference_options);
111 final String[] options;
112 final boolean[] values;
113 if (mAdvancedMode) {
114 options = new String[]{
115 getString(R.string.members_only),
116 getString(R.string.moderated),
117 getString(R.string.non_anonymous)
118 };
119 values = new boolean[]{
120 mucOptions.membersOnly(),
121 mucOptions.moderated(),
122 mucOptions.nonanonymous()
123 };
124 } else {
125 options = new String[]{
126 getString(R.string.members_only),
127 getString(R.string.non_anonymous)
128 };
129 values = new boolean[]{
130 mucOptions.membersOnly(),
131 mucOptions.nonanonymous()
132 };
133 }
134 builder.setMultiChoiceItems(options,values,new DialogInterface.OnMultiChoiceClickListener() {
135 @Override
136 public void onClick(DialogInterface dialog, int which, boolean isChecked) {
137 values[which] = isChecked;
138 }
139 });
140 builder.setNegativeButton(R.string.cancel, null);
141 builder.setPositiveButton(R.string.confirm,new DialogInterface.OnClickListener() {
142 @Override
143 public void onClick(DialogInterface dialog, int which) {
144 if (!mucOptions.membersOnly() && values[0]) {
145 xmppConnectionService.changeAffiliationsInConference(mConversation,
146 MucOptions.Affiliation.NONE,
147 MucOptions.Affiliation.MEMBER);
148 }
149 Bundle options = new Bundle();
150 options.putString("muc#roomconfig_membersonly", values[0] ? "1" : "0");
151 if (values.length == 2) {
152 options.putString("muc#roomconfig_whois", values[1] ? "anyone" : "moderators");
153 } else if (values.length == 3) {
154 options.putString("muc#roomconfig_moderatedroom", values[1] ? "1" : "0");
155 options.putString("muc#roomconfig_whois", values[2] ? "anyone" : "moderators");
156 }
157 options.putString("muc#roomconfig_persistentroom", "1");
158 xmppConnectionService.pushConferenceConfiguration(mConversation,
159 options,
160 ConferenceDetailsActivity.this);
161 }
162 });
163 builder.create().show();
164 }
165 };
166 private OnValueEdited onSubjectEdited = new OnValueEdited() {
167
168 @Override
169 public void onValueEdited(String value) {
170 xmppConnectionService.pushSubjectToConference(mConversation,value);
171 }
172 };
173
174 @Override
175 public void onConversationUpdate() {
176 refreshUi();
177 }
178
179 @Override
180 public void onMucRosterUpdate() {
181 refreshUi();
182 }
183
184 @Override
185 protected void refreshUiReal() {
186 updateView();
187 }
188
189 @Override
190 protected void onCreate(Bundle savedInstanceState) {
191 super.onCreate(savedInstanceState);
192 setContentView(R.layout.activity_muc_details);
193 mMainLayout = (LinearLayout) findViewById(R.id.muc_main_layout);
194 mYourNick = (TextView) findViewById(R.id.muc_your_nick);
195 mYourPhoto = (ImageView) findViewById(R.id.your_photo);
196 mEditNickButton = (ImageButton) findViewById(R.id.edit_nick_button);
197 mFullJid = (TextView) findViewById(R.id.muc_jabberid);
198 membersView = (LinearLayout) findViewById(R.id.muc_members);
199 mAccountJid = (TextView) findViewById(R.id.details_account);
200 mMoreDetails = (LinearLayout) findViewById(R.id.muc_more_details);
201 mMoreDetails.setVisibility(View.GONE);
202 mChangeConferenceSettingsButton = (ImageButton) findViewById(R.id.change_conference_button);
203 mChangeConferenceSettingsButton.setOnClickListener(this.mChangeConferenceSettings);
204 mInviteButton = (Button) findViewById(R.id.invite);
205 mInviteButton.setOnClickListener(inviteListener);
206 mConferenceType = (TextView) findViewById(R.id.muc_conference_type);
207 if (getActionBar() != null) {
208 getActionBar().setHomeButtonEnabled(true);
209 getActionBar().setDisplayHomeAsUpEnabled(true);
210 }
211 mEditNickButton.setOnClickListener(new OnClickListener() {
212
213 @Override
214 public void onClick(View v) {
215 quickEdit(mConversation.getMucOptions().getActualNick(),
216 new OnValueEdited() {
217
218 @Override
219 public void onValueEdited(String value) {
220 xmppConnectionService.renameInMuc(mConversation,value,renameCallback);
221 }
222 });
223 }
224 });
225 this.mAdvancedMode = getPreferences().getBoolean("advanced_muc_mode", false);
226 this.mConferenceInfoTable = (TableLayout) findViewById(R.id.muc_info_more);
227 mConferenceInfoTable.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
228 this.mConferenceInfoMam = (TextView) findViewById(R.id.muc_info_mam);
229 }
230
231 @Override
232 public boolean onOptionsItemSelected(MenuItem menuItem) {
233 switch (menuItem.getItemId()) {
234 case android.R.id.home:
235 finish();
236 break;
237 case R.id.action_edit_subject:
238 if (mConversation != null) {
239 quickEdit(mConversation.getName(),this.onSubjectEdited);
240 }
241 break;
242 case R.id.action_save_as_bookmark:
243 saveAsBookmark();
244 break;
245 case R.id.action_delete_bookmark:
246 deleteBookmark();
247 break;
248 case R.id.action_advanced_mode:
249 this.mAdvancedMode = !menuItem.isChecked();
250 menuItem.setChecked(this.mAdvancedMode);
251 getPreferences().edit().putBoolean("advanced_muc_mode", mAdvancedMode).commit();
252 mConferenceInfoTable.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
253 invalidateOptionsMenu();
254 updateView();
255 break;
256 }
257 return super.onOptionsItemSelected(menuItem);
258 }
259
260 @Override
261 protected String getShareableUri() {
262 if (mConversation != null) {
263 return "xmpp:" + mConversation.getJid().toBareJid().toString() + "?join";
264 } else {
265 return "";
266 }
267 }
268
269 @Override
270 public boolean onPrepareOptionsMenu(Menu menu) {
271 MenuItem menuItemSaveBookmark = menu.findItem(R.id.action_save_as_bookmark);
272 MenuItem menuItemDeleteBookmark = menu.findItem(R.id.action_delete_bookmark);
273 MenuItem menuItemAdvancedMode = menu.findItem(R.id.action_advanced_mode);
274 menuItemAdvancedMode.setChecked(mAdvancedMode);
275 if (mConversation == null) {
276 return true;
277 }
278 Account account = mConversation.getAccount();
279 if (account.hasBookmarkFor(mConversation.getJid().toBareJid())) {
280 menuItemSaveBookmark.setVisible(false);
281 menuItemDeleteBookmark.setVisible(true);
282 } else {
283 menuItemDeleteBookmark.setVisible(false);
284 menuItemSaveBookmark.setVisible(true);
285 }
286 return true;
287 }
288
289 @Override
290 public boolean onCreateOptionsMenu(Menu menu) {
291 getMenuInflater().inflate(R.menu.muc_details, menu);
292 return true;
293 }
294
295 @Override
296 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
297 Object tag = v.getTag();
298 if (tag instanceof User) {
299 getMenuInflater().inflate(R.menu.muc_details_context,menu);
300 final User user = (User) tag;
301 final User self = mConversation.getMucOptions().getSelf();
302 this.mSelectedUser = user;
303 String name;
304 final Contact contact = user.getContact();
305 if (contact != null) {
306 name = contact.getDisplayName();
307 } else if (user.getJid() != null){
308 name = user.getJid().toBareJid().toString();
309 } else {
310 name = user.getName();
311 }
312 menu.setHeaderTitle(name);
313 if (user.getJid() != null) {
314 MenuItem showContactDetails = menu.findItem(R.id.action_contact_details);
315 MenuItem startConversation = menu.findItem(R.id.start_conversation);
316 MenuItem giveMembership = menu.findItem(R.id.give_membership);
317 MenuItem removeMembership = menu.findItem(R.id.remove_membership);
318 MenuItem giveAdminPrivileges = menu.findItem(R.id.give_admin_privileges);
319 MenuItem removeAdminPrivileges = menu.findItem(R.id.remove_admin_privileges);
320 MenuItem removeFromRoom = menu.findItem(R.id.remove_from_room);
321 MenuItem banFromConference = menu.findItem(R.id.ban_from_conference);
322 startConversation.setVisible(true);
323 if (contact != null) {
324 showContactDetails.setVisible(true);
325 }
326 if (self.getAffiliation().ranks(MucOptions.Affiliation.ADMIN) &&
327 self.getAffiliation().outranks(user.getAffiliation())) {
328 if (mAdvancedMode) {
329 if (user.getAffiliation() == MucOptions.Affiliation.NONE) {
330 giveMembership.setVisible(true);
331 } else {
332 removeMembership.setVisible(true);
333 }
334 banFromConference.setVisible(true);
335 } else {
336 removeFromRoom.setVisible(true);
337 }
338 if (user.getAffiliation() != MucOptions.Affiliation.ADMIN) {
339 giveAdminPrivileges.setVisible(true);
340 } else {
341 removeAdminPrivileges.setVisible(true);
342 }
343 }
344 } else {
345 MenuItem sendPrivateMessage = menu.findItem(R.id.send_private_message);
346 sendPrivateMessage.setVisible(true);
347 }
348
349 }
350 super.onCreateContextMenu(menu, v, menuInfo);
351 }
352
353 @Override
354 public boolean onContextItemSelected(MenuItem item) {
355 switch (item.getItemId()) {
356 case R.id.action_contact_details:
357 Contact contact = mSelectedUser.getContact();
358 if (contact != null) {
359 switchToContactDetails(contact);
360 }
361 return true;
362 case R.id.start_conversation:
363 startConversation(mSelectedUser);
364 return true;
365 case R.id.give_admin_privileges:
366 xmppConnectionService.changeAffiliationInConference(mConversation,mSelectedUser.getJid(), MucOptions.Affiliation.ADMIN,this);
367 return true;
368 case R.id.give_membership:
369 xmppConnectionService.changeAffiliationInConference(mConversation,mSelectedUser.getJid(), MucOptions.Affiliation.MEMBER,this);
370 return true;
371 case R.id.remove_membership:
372 xmppConnectionService.changeAffiliationInConference(mConversation,mSelectedUser.getJid(), MucOptions.Affiliation.NONE,this);
373 return true;
374 case R.id.remove_admin_privileges:
375 xmppConnectionService.changeAffiliationInConference(mConversation,mSelectedUser.getJid(), MucOptions.Affiliation.MEMBER,this);
376 return true;
377 case R.id.remove_from_room:
378 removeFromRoom(mSelectedUser);
379 return true;
380 case R.id.ban_from_conference:
381 xmppConnectionService.changeAffiliationInConference(mConversation,mSelectedUser.getJid(), MucOptions.Affiliation.OUTCAST,this);
382 xmppConnectionService.changeRoleInConference(mConversation,mSelectedUser.getName(), MucOptions.Role.NONE,this);
383 return true;
384 case R.id.send_private_message:
385 privateMsgInMuc(mConversation,mSelectedUser.getName());
386 return true;
387 default:
388 return super.onContextItemSelected(item);
389 }
390 }
391
392 private void removeFromRoom(final User user) {
393 if (mConversation.getMucOptions().membersOnly()) {
394 xmppConnectionService.changeAffiliationInConference(mConversation,user.getJid(), MucOptions.Affiliation.NONE,this);
395 xmppConnectionService.changeRoleInConference(mConversation,mSelectedUser.getName(), MucOptions.Role.NONE,ConferenceDetailsActivity.this);
396 } else {
397 AlertDialog.Builder builder = new AlertDialog.Builder(this);
398 builder.setTitle(R.string.ban_from_conference);
399 builder.setMessage(getString(R.string.removing_from_public_conference,user.getName()));
400 builder.setNegativeButton(R.string.cancel,null);
401 builder.setPositiveButton(R.string.ban_now,new DialogInterface.OnClickListener() {
402 @Override
403 public void onClick(DialogInterface dialog, int which) {
404 xmppConnectionService.changeAffiliationInConference(mConversation,user.getJid(), MucOptions.Affiliation.OUTCAST,ConferenceDetailsActivity.this);
405 xmppConnectionService.changeRoleInConference(mConversation,mSelectedUser.getName(), MucOptions.Role.NONE,ConferenceDetailsActivity.this);
406 }
407 });
408 builder.create().show();
409 }
410 }
411
412 protected void startConversation(User user) {
413 if (user.getJid() != null) {
414 Conversation conversation = xmppConnectionService.findOrCreateConversation(this.mConversation.getAccount(),user.getJid().toBareJid(),false);
415 switchToConversation(conversation);
416 }
417 }
418
419 protected void saveAsBookmark() {
420 Account account = mConversation.getAccount();
421 Bookmark bookmark = new Bookmark(account, mConversation.getJid().toBareJid());
422 if (!mConversation.getJid().isBareJid()) {
423 bookmark.setNick(mConversation.getJid().getResourcepart());
424 }
425 bookmark.setAutojoin(true);
426 account.getBookmarks().add(bookmark);
427 xmppConnectionService.pushBookmarks(account);
428 mConversation.setBookmark(bookmark);
429 }
430
431 protected void deleteBookmark() {
432 Account account = mConversation.getAccount();
433 Bookmark bookmark = mConversation.getBookmark();
434 bookmark.unregisterConversation();
435 account.getBookmarks().remove(bookmark);
436 xmppConnectionService.pushBookmarks(account);
437 }
438
439 @Override
440 void onBackendConnected() {
441 if (mPendingConferenceInvite != null) {
442 mPendingConferenceInvite.execute(this);
443 mPendingConferenceInvite = null;
444 }
445 if (getIntent().getAction().equals(ACTION_VIEW_MUC)) {
446 this.uuid = getIntent().getExtras().getString("uuid");
447 }
448 if (uuid != null) {
449 this.mConversation = xmppConnectionService
450 .findConversationByUuid(uuid);
451 if (this.mConversation != null) {
452 updateView();
453 }
454 }
455 }
456
457 @Override
458 public void onConfigurationChanged (Configuration newConfig) {
459 super.onConfigurationChanged(newConfig);
460 UIHelper.resetChildMargins(mMainLayout);
461 }
462
463 private void updateView() {
464 final MucOptions mucOptions = mConversation.getMucOptions();
465 final User self = mucOptions.getSelf();
466 String account;
467 if (Config.DOMAIN_LOCK != null) {
468 account = mConversation.getAccount().getJid().getLocalpart();
469 } else {
470 account = mConversation.getAccount().getJid().toBareJid().toString();
471 }
472 mAccountJid.setText(getString(R.string.using_account, account));
473 mYourPhoto.setImageBitmap(avatarService().get(mConversation.getAccount(), getPixel(48)));
474 setTitle(mConversation.getName());
475 mFullJid.setText(mConversation.getJid().toBareJid().toString());
476 mYourNick.setText(mucOptions.getActualNick());
477 mRoleAffiliaton = (TextView) findViewById(R.id.muc_role);
478 if (mucOptions.online()) {
479 mMoreDetails.setVisibility(View.VISIBLE);
480 final String status = getStatus(self);
481 if (status != null) {
482 mRoleAffiliaton.setVisibility(View.VISIBLE);
483 mRoleAffiliaton.setText(status);
484 } else {
485 mRoleAffiliaton.setVisibility(View.GONE);
486 }
487 if (mucOptions.membersOnly()) {
488 mConferenceType.setText(R.string.private_conference);
489 } else {
490 mConferenceType.setText(R.string.public_conference);
491 }
492 if (mucOptions.mamSupport()) {
493 mConferenceInfoMam.setText(R.string.server_info_available);
494 } else {
495 mConferenceInfoMam.setText(R.string.server_info_unavailable);
496 }
497 if (self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
498 mChangeConferenceSettingsButton.setVisibility(View.VISIBLE);
499 } else {
500 mChangeConferenceSettingsButton.setVisibility(View.GONE);
501 }
502 }
503 LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
504 membersView.removeAllViews();
505 final ArrayList<User> users = new ArrayList<>();
506 users.addAll(mConversation.getMucOptions().getUsers());
507 Collections.sort(users,new Comparator<User>() {
508 @Override
509 public int compare(User lhs, User rhs) {
510 return lhs.getName().compareToIgnoreCase(rhs.getName());
511 }
512 });
513 for (final User user : users) {
514 View view = inflater.inflate(R.layout.contact, membersView,false);
515 this.setListItemBackgroundOnView(view);
516 view.setOnClickListener(new OnClickListener() {
517 @Override
518 public void onClick(View view) {
519 highlightInMuc(mConversation, user.getName());
520 }
521 });
522 registerForContextMenu(view);
523 view.setTag(user);
524 TextView tvDisplayName = (TextView) view.findViewById(R.id.contact_display_name);
525 TextView tvKey = (TextView) view.findViewById(R.id.key);
526 TextView tvStatus = (TextView) view.findViewById(R.id.contact_jid);
527 if (mAdvancedMode && user.getPgpKeyId() != 0) {
528 tvKey.setVisibility(View.VISIBLE);
529 tvKey.setOnClickListener(new OnClickListener() {
530
531 @Override
532 public void onClick(View v) {
533 viewPgpKey(user);
534 }
535 });
536 tvKey.setText(OpenPgpUtils.convertKeyIdToHex(user.getPgpKeyId()));
537 }
538 Bitmap bm;
539 Contact contact = user.getContact();
540 if (contact != null) {
541 bm = avatarService().get(contact, getPixel(48));
542 tvDisplayName.setText(contact.getDisplayName());
543 tvStatus.setText(user.getName() + " \u2022 " + getStatus(user));
544 } else {
545 bm = avatarService().get(user.getName(), getPixel(48));
546 tvDisplayName.setText(user.getName());
547 tvStatus.setText(getStatus(user));
548
549 }
550 ImageView iv = (ImageView) view.findViewById(R.id.contact_photo);
551 iv.setImageBitmap(bm);
552 membersView.addView(view);
553 if (mConversation.getMucOptions().canInvite()) {
554 mInviteButton.setVisibility(View.VISIBLE);
555 } else {
556 mInviteButton.setVisibility(View.GONE);
557 }
558 }
559 }
560
561 private String getStatus(User user) {
562 if (mAdvancedMode) {
563 StringBuilder builder = new StringBuilder();
564 builder.append(getString(user.getAffiliation().getResId()));
565 builder.append(" (");
566 builder.append(getString(user.getRole().getResId()));
567 builder.append(')');
568 return builder.toString();
569 } else {
570 return getString(user.getAffiliation().getResId());
571 }
572 }
573
574 @SuppressWarnings("deprecation")
575 @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
576 private void setListItemBackgroundOnView(View view) {
577 int sdk = android.os.Build.VERSION.SDK_INT;
578 if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
579 view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
580 } else {
581 view.setBackground(getResources().getDrawable(R.drawable.greybackground));
582 }
583 }
584
585 private void viewPgpKey(User user) {
586 PgpEngine pgp = xmppConnectionService.getPgpEngine();
587 if (pgp != null) {
588 PendingIntent intent = pgp.getIntentForKey(
589 mConversation.getAccount(), user.getPgpKeyId());
590 if (intent != null) {
591 try {
592 startIntentSenderForResult(intent.getIntentSender(), 0,
593 null, 0, 0, 0);
594 } catch (SendIntentException ignored) {
595
596 }
597 }
598 }
599 }
600
601 @Override
602 public void onAffiliationChangedSuccessful(Jid jid) {
603
604 }
605
606 @Override
607 public void onAffiliationChangeFailed(Jid jid, int resId) {
608 displayToast(getString(resId,jid.toBareJid().toString()));
609 }
610
611 @Override
612 public void onRoleChangedSuccessful(String nick) {
613
614 }
615
616 @Override
617 public void onRoleChangeFailed(String nick, int resId) {
618 displayToast(getString(resId,nick));
619 }
620
621 @Override
622 public void onPushSucceeded() {
623 displayToast(getString(R.string.modified_conference_options));
624 }
625
626 @Override
627 public void onPushFailed() {
628 displayToast(getString(R.string.could_not_modify_conference_options));
629 }
630
631 private void displayToast(final String msg) {
632 runOnUiThread(new Runnable() {
633 @Override
634 public void run() {
635 Toast.makeText(ConferenceDetailsActivity.this,msg,Toast.LENGTH_SHORT).show();
636 }
637 });
638 }
639}