@Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();

    Session.getInstance(this).removeLoginListener(this);
  }
  @Override
  public void setIsFlow(boolean isFlow) {
    super.setIsFlow(isFlow);

    if (getParent() instanceof BaseTabActivity) {
      ((BaseTabActivity) getParent()).setIsFlow(true);
    }
  }
 @Override
 protected void onResume() {
   super.onResume();
   if (isMainTabActivity && session.isLogin()) reload();
   userCell.refresh();
 }
 protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   init();
 }