fetching roster. fixed sending messages as type chat

12 files changed, 286 insertions, 75 deletions

diff --git a/src/de/gultsch/chat/entities/Account.java b/src/de/gultsch/chat/entities/Account.java
index 5f95af63..dcb5516a 100644
--- a/src/de/gultsch/chat/entities/Account.java
+++ b/src/de/gultsch/chat/entities/Account.java
@@ -13,10 +13,14 @@ public class Account  extends AbstractEntity{
 	public static final String USERNAME = "username";
 	public static final String SERVER = "server";
 	public static final String PASSWORD = "password";
+	public static final String OPTIONS = "options";
+	public static final String ROSTERVERSION = "rosterversion";
 	
 	protected String username;
 	protected String server;
 	protected String password;
+	protected int options;
+	protected String rosterVersion;
 	
 	protected boolean online = false;
 	
@@ -25,13 +29,15 @@ public class Account  extends AbstractEntity{
 	}
 	
 	public Account(String username, String server, String password) {
-		this(java.util.UUID.randomUUID().toString(),username,server,password);
+		this(java.util.UUID.randomUUID().toString(),username,server,password,0,null);
 	}
-	public Account(String uuid, String username, String server,String password) {
+	public Account(String uuid, String username, String server,String password, int options, String rosterVersion) {
 		this.uuid = uuid;
 		this.username = username;
 		this.server = server;
 		this.password = password;
+		this.options = options;
+		this.rosterVersion = rosterVersion;
 	}
 	
 	public String getUsername() {
@@ -80,7 +86,10 @@ public class Account  extends AbstractEntity{
 		return new Account(cursor.getString(cursor.getColumnIndex(UUID)),
 				cursor.getString(cursor.getColumnIndex(USERNAME)),
 				cursor.getString(cursor.getColumnIndex(SERVER)),
-				cursor.getString(cursor.getColumnIndex(PASSWORD)));
+				cursor.getString(cursor.getColumnIndex(PASSWORD)),
+				cursor.getInt(cursor.getColumnIndex(OPTIONS)),
+				cursor.getString(cursor.getColumnIndex(ROSTERVERSION))
+				);
 	}
 
 }
diff --git a/src/de/gultsch/chat/entities/Contact.java b/src/de/gultsch/chat/entities/Contact.java
index 66221f8a..f235fb4d 100644
--- a/src/de/gultsch/chat/entities/Contact.java
+++ b/src/de/gultsch/chat/entities/Contact.java
@@ -2,33 +2,97 @@ package de.gultsch.chat.entities;
 
 import java.io.Serializable;
 
-import android.net.Uri;
+import android.content.ContentValues;
+import android.database.Cursor;
 
-public class Contact implements Serializable {
+public class Contact extends AbstractEntity implements Serializable {
 	private static final long serialVersionUID = -4570817093119419962L;
-	protected String display_name;
+	
+	
+	public static final String TABLENAME = "contacts";
+	
+	public static final String DISPLAYNAME = "name";
+	public static final String JID = "jid";
+	public static final String SUBSCRIPTION = "subscription";
+	public static final String SYSTEMACCOUNT = "systemaccount";
+	public static final String PHOTOURI = "photouri";
+	public static final String OPENPGPKEY = "pgpkey";
+	public static final String LASTONLINEPRESENCE = "presence";
+	public static final String ACCOUNT = "accountUuid";
+	
+	protected String accountUuid;
+	protected String displayName;
 	protected String jid;
-	protected String photo;
+	protected String subscription;
+	protected int systemAccount;
+	protected String photoUri;
+	protected String openPGPKey;
+	protected long lastOnlinePresence;
+	
+	public Contact(Account account, String displayName, String jid, String photoUri) {
+		if (account == null) {
+			this.accountUuid = null;
+		} else {
+			this.accountUuid = account.getUuid();
+		}
+		this.displayName = displayName;
+		this.jid = jid;
+		this.photoUri = photoUri;
+	}
 	
-	public Contact(String display_name, String jid, String photo) {
-		this.display_name = display_name;
+	public Contact(String uuid, String account, String displayName, String jid, String subscription, String photoUri, int systemAccount, String pgpKey, long lastseen) {
+		this.uuid = uuid;
+		this.accountUuid = account;
+		this.displayName = displayName;
 		this.jid = jid;
-		this.photo = photo;
+		this.subscription = subscription;
+		this.photoUri = photoUri;
+		this.systemAccount = systemAccount;
+		this.openPGPKey = pgpKey;
+		this.lastOnlinePresence = lastseen;
 	}
 
 	public String getDisplayName() {
-		return this.display_name;
+		return this.displayName;
 	}
 
 	public String getProfilePhoto() {
-		return photo;
+		return this.photoUri;
 	}
-
+	
 	public String getJid() {
 		return this.jid;
 	}
 	
 	public boolean match(String needle) {
-		return (jid.toLowerCase().contains(needle.toLowerCase()) || (display_name.toLowerCase().contains(needle.toLowerCase())));
+		return (jid.toLowerCase().contains(needle.toLowerCase()) || (displayName.toLowerCase().contains(needle.toLowerCase())));
+	}
+
+	@Override
+	public ContentValues getContentValues() {
+		ContentValues values = new ContentValues();
+		values.put(UUID,uuid);
+		values.put(ACCOUNT,accountUuid);
+		values.put(DISPLAYNAME, displayName);
+		values.put(JID, jid);
+		values.put(SUBSCRIPTION,subscription);
+		values.put(SYSTEMACCOUNT, systemAccount);
+		values.put(PHOTOURI,photoUri);
+		values.put(OPENPGPKEY,openPGPKey);
+		values.put(LASTONLINEPRESENCE,lastOnlinePresence);
+		return values;
+	}
+	
+	public static Contact fromCursor(Cursor cursor) {
+		return new Contact(cursor.getString(cursor.getColumnIndex(UUID)),
+				cursor.getString(cursor.getColumnIndex(ACCOUNT)),
+				cursor.getString(cursor.getColumnIndex(DISPLAYNAME)),
+				cursor.getString(cursor.getColumnIndex(JID)),
+				cursor.getString(cursor.getColumnIndex(SUBSCRIPTION)),
+				cursor.getString(cursor.getColumnIndex(PHOTOURI)),
+				cursor.getInt(cursor.getColumnIndex(SYSTEMACCOUNT)),
+				cursor.getString(cursor.getColumnIndex(OPENPGPKEY)),
+				cursor.getLong(cursor.getColumnIndex(LASTONLINEPRESENCE))
+				);
 	}
 }
diff --git a/src/de/gultsch/chat/entities/Message.java b/src/de/gultsch/chat/entities/Message.java
index 530a4db4..4349e341 100644
--- a/src/de/gultsch/chat/entities/Message.java
+++ b/src/de/gultsch/chat/entities/Message.java
@@ -111,4 +111,8 @@ public class Message extends AbstractEntity {
 		this.conversation = conv;
 	}
 
+	public void setStatus(int status) {
+		this.status = status;
+	}
+
 }
diff --git a/src/de/gultsch/chat/persistance/DatabaseBackend.java b/src/de/gultsch/chat/persistance/DatabaseBackend.java
index 10dd0b6e..bb209112 100644
--- a/src/de/gultsch/chat/persistance/DatabaseBackend.java
+++ b/src/de/gultsch/chat/persistance/DatabaseBackend.java
@@ -28,21 +28,35 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 	public void onCreate(SQLiteDatabase db) {
 		db.execSQL("PRAGMA foreign_keys=ON;");
 		db.execSQL("create table " + Account.TABLENAME + "(" + Account.UUID
-				+ " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT," + Account.SERVER
-				+ " TEXT," + Account.PASSWORD + " TEXT)");
+				+ " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT,"
+				+ Account.SERVER + " TEXT," + Account.PASSWORD + " TEXT,"
+				+ Account.ROSTERVERSION + " TEXT," + Account.OPTIONS
+				+ " NUMBER)");
 		db.execSQL("create table " + Conversation.TABLENAME + " ("
 				+ Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME
 				+ " TEXT, " + Conversation.PHOTO_URI + " TEXT, "
 				+ Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACT
 				+ " TEXT, " + Conversation.CREATED + " NUMBER, "
-				+ Conversation.STATUS + " NUMBER,"
-				+ "FOREIGN KEY("+Conversation.ACCOUNT+") REFERENCES "+Account.TABLENAME+"("+Account.UUID+") ON DELETE CASCADE);");
+				+ Conversation.STATUS + " NUMBER," + "FOREIGN KEY("
+				+ Conversation.ACCOUNT + ") REFERENCES " + Account.TABLENAME
+				+ "(" + Account.UUID + ") ON DELETE CASCADE);");
 		db.execSQL("create table " + Message.TABLENAME + "( " + Message.UUID
 				+ " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, "
 				+ Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART
 				+ " TEXT, " + Message.BODY + " TEXT, " + Message.ENCRYPTION
-				+ " NUMBER, " + Message.STATUS + " NUMBER,"
-				+ "FOREIGN KEY("+Message.CONVERSATION+") REFERENCES "+Conversation.TABLENAME+"("+Message.UUID+") ON DELETE CASCADE);");
+				+ " NUMBER, " + Message.STATUS + " NUMBER," + "FOREIGN KEY("
+				+ Message.CONVERSATION + ") REFERENCES "
+				+ Conversation.TABLENAME + "(" + Conversation.UUID
+				+ ") ON DELETE CASCADE);");
+		db.execSQL("create table " + Contact.TABLENAME + "(" + Contact.UUID
+				+ " TEXT PRIMARY KEY, " + Contact.ACCOUNT + " TEXT, "
+				+ Contact.DISPLAYNAME + " TEXT," + Contact.JID + " TEXT,"
+				+ Contact.LASTONLINEPRESENCE + " NUMBER, " + Contact.OPENPGPKEY
+				+ " TEXT," + Contact.PHOTOURI + " TEXT," + Contact.SUBSCRIPTION
+				+ " TEXT," + Contact.SYSTEMACCOUNT + " NUMBER, "
+				+ "FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES "
+				+ Account.TABLENAME + "(" + Account.UUID
+				+ ") ON DELETE CASCADE);");
 	}
 
 	@Override
@@ -163,4 +177,11 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 		db.execSQL("PRAGMA foreign_keys=ON;");
 		return db;
 	}
+
+	public void updateMessage(Message message) {
+		SQLiteDatabase db = this.getWritableDatabase();
+		String[] args = { message.getUuid() };
+		db.update(Message.TABLENAME, message.getContentValues(), Message.UUID
+				+ "=?", args);
+	}
 }
diff --git a/src/de/gultsch/chat/services/XmppConnectionService.java b/src/de/gultsch/chat/services/XmppConnectionService.java
index f2eedbe7..2fc3c937 100644
--- a/src/de/gultsch/chat/services/XmppConnectionService.java
+++ b/src/de/gultsch/chat/services/XmppConnectionService.java
@@ -1,5 +1,7 @@
 package de.gultsch.chat.services;
 
+import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Hashtable;
 import java.util.List;
 
@@ -10,7 +12,11 @@ import de.gultsch.chat.entities.Conversation;
 import de.gultsch.chat.entities.Message;
 import de.gultsch.chat.persistance.DatabaseBackend;
 import de.gultsch.chat.ui.OnConversationListChangedListener;
+import de.gultsch.chat.ui.OnRosterFetchedListener;
+import de.gultsch.chat.xml.Element;
+import de.gultsch.chat.xmpp.IqPacket;
 import de.gultsch.chat.xmpp.MessagePacket;
+import de.gultsch.chat.xmpp.OnIqPacketReceived;
 import de.gultsch.chat.xmpp.OnMessagePacketReceived;
 import de.gultsch.chat.xmpp.XmppConnection;
 import android.app.Service;
@@ -45,7 +51,7 @@ public class XmppConnectionService extends Service {
 			String name = jid.split("@")[0];
 			Log.d(LOGTAG,"message received for "+account.getJid()+" from "+jid);
 			Log.d(LOGTAG,packet.toString());
-			Contact contact = new Contact(name,jid,null); //dummy contact
+			Contact contact = new Contact(account,name,jid,null); //dummy contact
 			Conversation conversation = findOrCreateConversation(account, contact);
 			Message message = new Message(conversation, fullJid, packet.getBody(), Message.ENCRYPTION_NONE, Message.STATUS_RECIEVED);
 			conversation.getMessages().add(message);
@@ -88,8 +94,59 @@ public class XmppConnectionService extends Service {
         return mBinder;
     }
     
-    public void sendMessage(Message message) {
-    	databaseBackend.createMessage(message);
+    public void sendMessage(final Account account, final Message message) {
+    	new Thread() {
+    		@Override
+    		public void run() {
+    			Log.d(LOGTAG,"sending message for "+account.getJid()+" to: "+message.getCounterpart());
+    			databaseBackend.createMessage(message);
+    			MessagePacket packet = new MessagePacket();
+    			packet.setType(MessagePacket.TYPE_CHAT);
+    			packet.setTo(message.getCounterpart());
+    			packet.setFrom(account.getJid());
+    			packet.setBody(message.getBody());
+    			try {
+					connections.get(account).sendMessagePacket(packet);
+					message.setStatus(Message.STATUS_SEND);
+					databaseBackend.updateMessage(message);
+				} catch (IOException e) {
+					Log.d(LOGTAG,"io exception during send. message is in database. will try again later");
+				}
+    		}
+    	}.start();
+    }
+    
+    public void getRoster(final Account account, final OnRosterFetchedListener listener) {
+    	IqPacket iqPacket = new IqPacket(IqPacket.TYPE_GET);
+    	Element query = new Element("query");
+    	query.setAttribute("xmlns", "jabber:iq:roster");
+    	query.setAttribute("ver", "");
+    	iqPacket.addChild(query);
+    	try {
+    		connections.get(account).sendIqPacket(iqPacket, new OnIqPacketReceived() {
+				
+				@Override
+				public void onIqPacketReceived(Account account, IqPacket packet) {
+					Element roster = packet.findChild("query");
+					Log.d(LOGTAG,roster.toString());
+					List<Contact> contacts = new ArrayList<Contact>();
+					for(Element item : roster.getChildren()) {
+						String name = item.getAttribute("name");
+						String jid = item.getAttribute("jid");
+						if (name==null) {
+							name = jid.split("@")[0];
+						}
+						Contact contact = new Contact(account, name, jid, null);
+						contacts.add(contact);
+					}
+					if (listener != null) {
+						listener.onRosterFetched(contacts);
+					}
+				}
+			});
+		} catch (IOException e) {
+			Log.d(LOGTAG,"io error during roster fetch");
+		}
     }
     
     public void addConversation(Conversation conversation) {
@@ -111,7 +168,7 @@ public class XmppConnectionService extends Service {
     }
     
     public List<Account> getAccounts() {
-    	return databaseBackend.getAccounts();
+    	return this.accounts;
     }
     
     public List<Message> getMessages(Conversation conversation) {
diff --git a/src/de/gultsch/chat/ui/ConversationActivity.java b/src/de/gultsch/chat/ui/ConversationActivity.java
index 23d03a01..b06fa21d 100644
--- a/src/de/gultsch/chat/ui/ConversationActivity.java
+++ b/src/de/gultsch/chat/ui/ConversationActivity.java
@@ -49,26 +49,29 @@ public class ConversationActivity extends XmppActivity {
 		
 		@Override
 		public void onConversationListChanged() {
-			Log.d("xmppService","on conversation list changed event received");
+			final Conversation currentConv = conversationList.get(selectedConversation);
 			conversationList.clear();
 			conversationList.addAll(xmppConnectionService
 					.getConversations());
 			runOnUiThread(new Runnable() {
 				
 				@Override
-				public void run() {
-					listAdapter.notifyDataSetChanged();
+				public void run() {	
+					updateConversationList();
+					for(int i = 0; i < conversationList.size(); ++i) {
+						if (currentConv.equals(conversationList.get(i))) {
+							selectedConversation = i;
+							break;
+						}
+					}
 					if(paneShouldBeOpen) {
 						selectedConversation = 0;
 						if (conversationList.size() >= 1) {
-							updateConversationList();
 							swapConversationFragment();
 						} else {
 							startActivity(new Intent(getApplicationContext(), NewConversationActivity.class));
 							finish();
 						}
-					} else {
-						Log.d("xmppService","pane wasnt open. dont swap fragment");
 					}
 				}
 			});
@@ -98,19 +101,12 @@ public class ConversationActivity extends XmppActivity {
 	
 	public void updateConversationList() {
 		if (conversationList.size() >= 1) {
-			Conversation currentConv = conversationList.get(selectedConversation);
 			Collections.sort(this.conversationList, new Comparator<Conversation>() {
 				@Override
 				public int compare(Conversation lhs, Conversation rhs) {
 					return (int) (rhs.getLatestMessageDate() - lhs.getLatestMessageDate());
 				}
 			});
-			for(int i = 0; i < conversationList.size(); ++i) {
-				if (currentConv == conversationList.get(i)) {
-					selectedConversation = i;
-					break;
-				}
-			}
 		}
 		this.listView.invalidateViews();
 	}
@@ -198,6 +194,7 @@ public class ConversationActivity extends XmppActivity {
 
 			@Override
 			public void onPanelClosed(View arg0) {
+				paneShouldBeOpen = false;
 				if (conversationList.size() > 0) {
 					getActionBar().setDisplayHomeAsUpEnabled(true);
 					getActionBar().setTitle(conversationList.get(selectedConversation).getName());
@@ -248,6 +245,7 @@ public class ConversationActivity extends XmppActivity {
 			paneShouldBeOpen = true;
 			spl.openPane();
 			xmppConnectionService.archiveConversation(conv);
+			selectedConversation = 0;
 			break;
 		default:
 			break;
@@ -275,53 +273,36 @@ public class ConversationActivity extends XmppActivity {
 		}
 		return super.onKeyDown(keyCode, event);
 	}
-
-	@Override
-	public void onStart() {
-		super.onStart();
-		if (xmppConnectionServiceBound) {
-			conversationList.clear();
-			conversationList.addAll(xmppConnectionService
-					.getConversations());
-		}
-	}
 	
 	@Override
-	public void onPause() {
+	protected void onPause() {
 		super.onPause();
 		if (xmppConnectionServiceBound) {
-        	Log.d("xmppService","called on pause. remove listener");
-        	xmppConnectionService.removeOnConversationListChangedListener();
-		}
-	}
-	
-	@Override
-    protected void onStop() {
-        super.onStop();
-        if (xmppConnectionServiceBound) {
         	Log.d("xmppService","called on stop. remove listener");
         	xmppConnectionService.removeOnConversationListChangedListener();
             unbindService(mConnection);
             xmppConnectionServiceBound = false;
         }
-    }
-
+	}
 
 	@Override
 	void onBackendConnected() {
 		
 		xmppConnectionService.setOnConversationListChangedListener(this.onConvChanged);
 		
-		conversationList.clear();
-		conversationList.addAll(xmppConnectionService
-				.getConversations());
-		
-		for(Conversation conversation : conversationList) {
-			conversation.setMessages(xmppConnectionService.getMessages(conversation));
+		if (conversationList.size()==0) {
+			Log.d("gultsch","conversation list is empty fetch new");
+			conversationList.clear();
+			conversationList.addAll(xmppConnectionService
+					.getConversations());
+			
+			for(Conversation conversation : conversationList) {
+				conversation.setMessages(xmppConnectionService.getMessages(conversation));
+			}
+	
+			this.updateConversationList();
 		}
 
-		this.updateConversationList();
-
 		if ((getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
 			if (getIntent().getType().equals(
 					ConversationActivity.VIEW_CONVERSATION)) {
@@ -354,6 +335,7 @@ public class ConversationActivity extends XmppActivity {
 					selectedFragment.onBackendConnected();
 				} else {
 					Log.d("gultsch","conversationactivity. no old fragment found. creating new one");
+					selectedConversation = 0;
 					Log.d("gultsch","selected conversation is #"+selectedConversation);
 					swapConversationFragment();
 				}
diff --git a/src/de/gultsch/chat/ui/ConversationFragment.java b/src/de/gultsch/chat/ui/ConversationFragment.java
index 57d4b1eb..b8edcbaf 100644
--- a/src/de/gultsch/chat/ui/ConversationFragment.java
+++ b/src/de/gultsch/chat/ui/ConversationFragment.java
@@ -54,7 +54,7 @@ public class ConversationFragment extends Fragment {
 							return;
 						Message message = new Message(conversation, chatMsg
 								.getText().toString(), Message.ENCRYPTION_NONE);
-						activity.xmppConnectionService.sendMessage(message);
+						activity.xmppConnectionService.sendMessage(conversation.getAccount(),message);
 						conversation.getMessages().add(message);
 						chatMsg.setText("");
 						
@@ -105,16 +105,12 @@ public class ConversationFragment extends Fragment {
 					case SENT:
 						view = (View) inflater.inflate(R.layout.message_sent,
 								null);
-						Log.d("gultsch", "inflated new message_sent view");
 						break;
 					case RECIEVED:
 						view = (View) inflater.inflate(
 								R.layout.message_recieved, null);
-						Log.d("gultsch", "inflated new message_recieved view");
 						break;
 					}
-				} else {
-					Log.d("gultsch", "recylecd a view");
 				}
 				ImageView imageView = (ImageView) view.findViewById(R.id.message_photo);
 				if (type == RECIEVED) {
@@ -128,7 +124,7 @@ public class ConversationFragment extends Fragment {
 					imageView.setImageURI(profilePicture);
 				}
 				((TextView) view.findViewById(R.id.message_body)).setText(item
-						.getBody());
+						.getBody().trim());
 				TextView time = (TextView) view.findViewById(R.id.message_time);
 				if (item.getStatus() == Message.STATUS_UNSEND) {
 					time.setTypeface(null, Typeface.ITALIC);
diff --git a/src/de/gultsch/chat/ui/NewConversationActivity.java b/src/de/gultsch/chat/ui/NewConversationActivity.java
index b8061b23..b41ca761 100644
--- a/src/de/gultsch/chat/ui/NewConversationActivity.java
+++ b/src/de/gultsch/chat/ui/NewConversationActivity.java
@@ -51,6 +51,7 @@ public class NewConversationActivity extends XmppActivity {
 	protected EditText search;
 	protected String searchString = "";
 	private TextView contactsHeader;
+	private List<Account> accounts;
 
 	protected void updateAggregatedContacts() {
 
@@ -76,7 +77,7 @@ public class NewConversationActivity extends XmppActivity {
 
 			if (Validator.isValidJid(searchString)) {
 				String name = searchString.split("@")[0];
-				Contact newContact = new Contact(name, searchString,null);
+				Contact newContact = new Contact(null,name, searchString,null);
 				aggregatedContacts.add(newContact);
 				contactsHeader.setText("Create new contact");
 			} else {
@@ -87,6 +88,7 @@ public class NewConversationActivity extends XmppActivity {
 		}
 
 		contactsAdapter.notifyDataSetChanged();
+		contactsView.setScrollX(0);
 	}
 
 	static final String[] PROJECTION = new String[] {
@@ -229,7 +231,7 @@ public class NewConversationActivity extends XmppActivity {
 					/*if (profilePhoto == null) {
 						profilePhoto = DEFAULT_PROFILE_PHOTO;
 					}*/
-					Contact contact = new Contact(
+					Contact contact = new Contact(null,
 							cursor.getString(cursor
 									.getColumnIndex(ContactsContract.Data.DISPLAY_NAME)),
 							cursor.getString(cursor
@@ -250,6 +252,25 @@ public class NewConversationActivity extends XmppActivity {
 			getActionBar().setDisplayHomeAsUpEnabled(false);
 			getActionBar().setHomeButtonEnabled(false);
 		}
+		this.accounts = xmppConnectionService.getAccounts();
+		this.rosterContacts.clear();
+		for(Account account : this.accounts) {
+			xmppConnectionService.getRoster(account, new OnRosterFetchedListener() {
+				
+				@Override
+				public void onRosterFetched(List<Contact> roster) {
+					rosterContacts.addAll(roster);
+					runOnUiThread(new Runnable() {
+						
+						@Override
+						public void run() {
+							updateAggregatedContacts();
+						}
+					});
+	
+				}
+			});
+		}
 	}
 
 	@Override
diff --git a/src/de/gultsch/chat/ui/OnRosterFetchedListener.java b/src/de/gultsch/chat/ui/OnRosterFetchedListener.java
new file mode 100644
index 00000000..ad3f6592
--- /dev/null
+++ b/src/de/gultsch/chat/ui/OnRosterFetchedListener.java
@@ -0,0 +1,8 @@
+package de.gultsch.chat.ui;
+
+import java.util.List;
+import de.gultsch.chat.entities.Contact;
+
+public interface OnRosterFetchedListener {
+	public void onRosterFetched(List<Contact> roster);
+}
diff --git a/src/de/gultsch/chat/xml/Element.java b/src/de/gultsch/chat/xml/Element.java
index 24e65649..01deb1d2 100644
--- a/src/de/gultsch/chat/xml/Element.java
+++ b/src/de/gultsch/chat/xml/Element.java
@@ -46,6 +46,10 @@ public class Element {
 		return false;
 	}
 	
+	public List<Element> getChildren() {
+		return this.children;
+	}
+	
 	public String getContent() {
 		return content;
 	}
diff --git a/src/de/gultsch/chat/xmpp/MessagePacket.java b/src/de/gultsch/chat/xmpp/MessagePacket.java
index 313fb355..de486a5d 100644
--- a/src/de/gultsch/chat/xmpp/MessagePacket.java
+++ b/src/de/gultsch/chat/xmpp/MessagePacket.java
@@ -3,6 +3,8 @@ package de.gultsch.chat.xmpp;
 import de.gultsch.chat.xml.Element;
 
 public class MessagePacket extends Element {
+	public static final int TYPE_CHAT = 0;
+
 	private MessagePacket(String name) {
 		super(name);
 	}
@@ -10,6 +12,10 @@ public class MessagePacket extends Element {
 	public MessagePacket() {
 		super("message");
 	}
+	
+	public String getTo() {
+		return getAttribute("to");
+	}
 
 	public String getFrom() {
 		return getAttribute("from");
@@ -18,4 +24,30 @@ public class MessagePacket extends Element {
 	public String getBody() {
 		return this.findChild("body").getContent();
 	}
+	
+	public void setTo(String to) {
+		setAttribute("to", to);
+	}
+	
+	public void setFrom(String from) {
+		setAttribute("from",from);
+	}
+	
+	public void setBody(String text) {
+		Element body = new Element("body");
+		body.setContent(text);
+		this.children.add(body);
+	}
+
+	public void setType(int type) {
+		switch (type) {
+		case TYPE_CHAT:
+			this.setAttribute("type","chat");
+			break;
+
+		default:
+			this.setAttribute("type","chat");
+			break;
+		}
+	}
 }
diff --git a/src/de/gultsch/chat/xmpp/XmppConnection.java b/src/de/gultsch/chat/xmpp/XmppConnection.java
index 441e4b2d..f82c401e 100644
--- a/src/de/gultsch/chat/xmpp/XmppConnection.java
+++ b/src/de/gultsch/chat/xmpp/XmppConnection.java
@@ -52,6 +52,8 @@ public class XmppConnection implements Runnable {
 	private OnPresencePacketReceived presenceListener = null;
 	private OnIqPacketReceived unregisteredIqListener = null;
 	private OnMessagePacketReceived messageListener = null;
+	
+	private String resource = null;
 
 	public XmppConnection(Account account, PowerManager pm) {
 		this.account = account;
@@ -96,6 +98,12 @@ public class XmppConnection implements Runnable {
 	public void run() {
 		while(shouldReConnect) {
 			connect();
+			try {
+				Thread.sleep(30000);
+			} catch (InterruptedException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
 		}
 	}
 
@@ -260,7 +268,9 @@ public class XmppConnection implements Runnable {
 		this.sendIqPacket(iq, new OnIqPacketReceived() {	
 			@Override
 			public void onIqPacketReceived(Account account, IqPacket packet) {
+				resource = packet.findChild("bind").findChild("jid").getContent().split("/")[1];
 				Log.d(LOGTAG,"answer for our bind was: "+packet.toString());
+				Log.d(LOGTAG,"new resource is "+resource);
 			}
 		});
 	}
@@ -291,15 +301,18 @@ public class XmppConnection implements Runnable {
 		if (callback != null) {
 			iqPacketCallbacks.put(id, callback);
 		}
+		tagWriter.flush();
 		Log.d(LOGTAG,"sending: "+packet.toString());
 	}
 	
 	public void sendMessagePacket(MessagePacket packet) throws IOException {
 		tagWriter.writeElement(packet);
+		tagWriter.flush();
 	}
 	
 	public void sendPresencePacket(PresencePacket packet) throws IOException {
 		tagWriter.writeElement(packet);
+		tagWriter.flush();
 	}
 	
 	public void setOnMessagePacketReceivedListener(OnMessagePacketReceived listener) {