private void updateGroupChatViewTitle(String subject){
  if (!TextUtils.isEmpty(subject)) {
    setTitle(getString(R.string.title_group_chat) + " '" + mSubject+ "'");
  }
}

private void updateGroupChatViewTitle ( String subject ) { if ( ! TextUtils . isEmpty ( subject ) ) { setTitle ( getString ( R . string . title_group_chat ) + " '" + mSubject + "'" ) ; } }
update the view title
