gt: 		if (conversation.getMucOptions().online()) {
context: package eu.siacs.conversations.ui;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.openintents.openpgp.util.OpenPgpUtils;
  
  import eu.siacs.conversations.R;
  import eu.siacs.conversations.crypto.PgpEngine;
  import eu.siacs.conversations.entities.Account;
  import eu.siacs.conversations.entities.Contact;
  import eu.siacs.conversations.entities.Conversation;
  import eu.siacs.conversations.entities.MucOptions;
  import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  import eu.siacs.conversations.entities.MucOptions.User;
  import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  import eu.siacs.conversations.utils.UIHelper;
  import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
  import android.app.PendingIntent;
  import android.content.Context;
  import android.content.IntentSender.SendIntentException;
  import android.graphics.Bitmap;
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.view.View;
  import android.view.View.OnClickListener;
  import android.widget.Button;
  import android.widget.ImageButton;
  import android.widget.ImageView;
  import android.widget.LinearLayout;
  import android.widget.TextView;
  import android.widget.Toast;
  
  public class ConferenceDetailsActivity extends XmppActivity {
  	public static final String ACTION_VIEW_MUC = "view_muc";
  	private Conversation conversation;
  	private TextView mYourNick;
  	private ImageView mYourPhoto;
  	private ImageButton mEditNickButton;
  	private TextView mRoleAffiliaton;
  	private TextView mFullJid;
  	private LinearLayout membersView;
  	private LinearLayout mMoreDetails;
  	private Button mInviteButton;
  	private String uuid = null;
  
  	private OnClickListener inviteListener = new OnClickListener() {
  
  		@Override
  		public void onClick(View v) {
  			inviteToConversation(conversation);
  		}
  	};
  
  	private List<User> users = new ArrayList<MucOptions.User>();
  	private OnConversationUpdate onConvChanged = new OnConversationUpdate() {
  
  		@Override
  		public void onConversationUpdate() {
  			runOnUiThread(new Runnable() {
  
  				@Override
  				public void run() {
  					populateView();
  				}
  			});
  		}
  	};
  
  	@Override
  	protected void onCreate(Bundle savedInstanceState) {
  		super.onCreate(savedInstanceState);
  		setContentView(R.layout.activity_muc_details);
  		mYourNick = (TextView) findViewById(R.id.muc_your_nick);
  		mYourPhoto = (ImageView) findViewById(R.id.your_photo);
  		mEditNickButton = (ImageButton) findViewById(R.id.edit_nick_button);
  		mFullJid = (TextView) findViewById(R.id.muc_jabberid);
  		membersView = (LinearLayout) findViewById(R.id.muc_members);
  		mMoreDetails = (LinearLayout) findViewById(R.id.muc_more_details);
  		mMoreDetails.setVisibility(View.GONE);
  		mInviteButton = (Button) findViewById(R.id.invite);
  		mInviteButton.setOnClickListener(inviteListener);
  		getActionBar().setHomeButtonEnabled(true);
  		getActionBar().setDisplayHomeAsUpEnabled(true);
  		mEditNickButton.setOnClickListener(new OnClickListener() {
  
  			@Override
  			public void onClick(View v) {
  				quickEdit(conversation.getMucOptions().getActualNick(),
  						new OnValueEdited() {
  
  							@Override
  							public void onValueEdited(String value) {
  								xmppConnectionService.renameInMuc(conversation,
  										value);
  							}
  						});
  			}
  		});
  	}
  
  	@Override
  	public boolean onOptionsItemSelected(MenuItem menuItem) {
  		switch (menuItem.getItemId()) {
  		case android.R.id.home:
  			finish();
  			break;
  		case R.id.action_edit_subject:
  			if (conversation != null) {
  				quickEdit(conversation.getName(), new OnValueEdited() {
  
  					@Override
  					public void onValueEdited(String value) {
  						MessagePacket packet = xmppConnectionService
  								.getMessageGenerator().conferenceSubject(
  										conversation, value);
  						xmppConnectionService.sendMessagePacket(
  								conversation.getAccount(), packet);
  					}
  				});
  			}
  			break;
  		}
  		return super.onOptionsItemSelected(menuItem);
  	}
  
  	public String getReadableRole(int role) {
  		switch (role) {
  		case User.ROLE_MODERATOR:
  			return getString(R.string.moderator);
  		case User.ROLE_PARTICIPANT:
  			return getString(R.string.participant);
  		case User.ROLE_VISITOR:
  			return getString(R.string.visitor);
  		default:
  			return "";
  		}
  	}
  
  	@Override
  	public boolean onCreateOptionsMenu(Menu menu) {
  		getMenuInflater().inflate(R.menu.muc_details, menu);
  		return true;
  	}
  
  	@Override
  	void onBackendConnected() {
  		registerListener();
  		if (getIntent().getAction().equals(ACTION_VIEW_MUC)) {
  			this.uuid = getIntent().getExtras().getString("uuid");
  		}
  		if (uuid != null) {
  			this.conversation = xmppConnectionService
  					.findConversationByUuid(uuid);
  			if (this.conversation != null) {
  				populateView();
  			}
  		}
  	}
  
  	@Override
  	protected void onStop() {
  		if (xmppConnectionServiceBound) {
  			xmppConnectionService.removeOnConversationListChangedListener();
  		}
  		super.onStop();
  	}
  
  	protected void registerListener() {
  		if (xmppConnectionServiceBound) {
  			xmppConnectionService
  					.setOnConversationListChangedListener(this.onConvChanged);
  			xmppConnectionService.setOnRenameListener(new OnRenameListener() {
  
  				@Override
  				public void onRename(final boolean success) {
  					runOnUiThread(new Runnable() {
  
  						@Override
  						public void run() {
  							populateView();
  							if (success) {
  								Toast.makeText(
  										ConferenceDetailsActivity.this,
  										getString(R.string.your_nick_has_been_changed),
  										Toast.LENGTH_SHORT).show();
  							} else {
  								Toast.makeText(ConferenceDetailsActivity.this,
  										getString(R.string.nick_in_use),
  										Toast.LENGTH_SHORT).show();
  							}
  						}
  					});
  				}
  			});
  		}
  	}
  
  	private void populateView() {
  		mYourPhoto.setImageBitmap(conversation.getAccount().getImage(this, 48));
  		setTitle(conversation.getName());
  		mFullJid.setText(conversation.getContactJid().split("/")[0]);
  		mYourNick.setText(conversation.getMucOptions().getActualNick());
  		mRoleAffiliaton = (TextView) findViewById(R.id.muc_role);
  