Listening for roster and presence changes, JAVA Programming

The typical use of the roster class is to display a tree view of groups and entries along with the current presence value of each entry. As an example, see the image showing a Roster in the Exodus XMPP client to the right.

The presence information will likely change often, and it's also possible for the roster entries to change or be deleted. To listen for changing roster and presence data, a RosterListener should be used. The following code snippet registers a RosterListener with the Roster that prints any presence changes in the roster to standard out. A normal client would use similar code to update the roster UI with the changing information.

252_Listening for Roster and Presence Changes.png

Posted Date: 3/4/2013 7:43:51 AM | Location : United States







Related Discussions:- Listening for roster and presence changes, Assignment Help, Ask Question on Listening for roster and presence changes, Get Answer, Expert's Help, Listening for roster and presence changes Discussions

Write discussion on Listening for roster and presence changes
Your posts are moderated
Related Questions
Describe Logical Operators in Java ? The relational operators you've learned so far ( , >=, !=, ==) are enough while you only required to check one condition. Therefore what if

Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c

RMI parameters : Primitive types are given by value. 2. References to remote objects are given as remote references that allow the client process to call methods on the rem

How we Declaring Arrays in java language? Like all other variables in Java, an array must have a exact type such as byte, int, String or double. Just variables of the appropria

Does RMI-IIOP support dynamic downloading of classes? Ans) No, RMI-IIOP doesn't support dynamic downloading of the classes as it is complete with CORBA in DII (Dynamic Interface

What are Access Specifiers available in Java? Java has four access specifiers, which are enlisted below: Public: public methods, classes and fields can be accessed by ever

Conway's Game of Life is a "cellular automaton" that is played on a 2D grid (array) of cells. At the start of the game, an initial configuration is set up in which a number of cell

Why are JSP pages the preferred API for creating a web-based client program? Because no plug-ins or security policy files are required on the client systems (applet does). Also,

An aspect is the cross-cutting functionality that you are executing. It is the aspect of your application you are modularizing. An example of an aspect is logging. Logging is somet