@Override
protected void onPreExecute() {
super.onPreExecute();
if (username.getText().toString().length() == 0) {
username.setError("用户名不能为空");
cancel(true);
}
if (password.getText().toString().length() == 0) {
password.setError("密码不能为空");
cancel(true);
}
}
@Override
protected void onPreExecute() {
super.onPreExecute();
Toast.makeText(getActivity(), getString(R.string.remove_ing), Toast.LENGTH_SHORT).show();
}
@Override
protected void onPreExecute() {
super.onPreExecute();
if (isListViewFling()) cancel(true);
}
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected void onPreExecute() {
super.onPreExecute();
pullToRefreshListView.setVisibility(View.INVISIBLE);
}