// called at the end of a state transition
private synchronized void updateConnectionState(ConnectionState new_state) {
if (new_state == ConnectionState.ONLINE || new_state == ConnectionState.CONNECTING)
mLastError = null;
Log.d(TAG, "updateConnectionState: " + mState + " -> " + new_state + " (" + mLastError + ")");
if (new_state == mState) return;
mState = new_state;
if (mServiceCallBack != null) mServiceCallBack.connectionStateChanged();
}
public void removeRosterItem(String user) throws YaximXMPPException {
debugLog("removeRosterItem(" + user + ")");
tryToRemoveRosterEntry(user);
mServiceCallBack.rosterChanged();
}