Returns all entries in the roster, including entries that don't belong to any
Returns the roster entry associated with the given XMPP address ornull if the
user is not an entry i
Creates a new roster.
Returns true if the specified XMPP address is an entry in the roster.
Creates a new roster entry and presence subscription. The server will
asynchronously update the rost
Creates a new group.
Note: you must add at least one entry to the group for the group to be kept
Returns the roster group with the specified name, or null if the group doesn't
Returns an iterator the for all the roster groups.
Returns the presence info for a particular user. If the user is offline, or if
no presence data is a
Returns the key to use in the presenceMap for a fully qualified XMPP ID. The
roster can contain any
Reloads the entire roster from the server. This is an asynchronous operation,
which means the method
Cleans up all resources used by the roster.