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Make Autocomplete show a custom options view while optionsBuilder future is being resolved #147377
Description
Use case
Currently in RawAutocomplete, when the field is changed, updateOptionsViewVisibility is only called after the optionsBuilder future has resolved:
// Called when _textEditingController changes.
Future<void> _onChangedField() async {
final TextEditingValue value = _textEditingController.value;
final Iterable<T> options = await widget.optionsBuilder(value);
...
// Make sure the options are no longer hidden if the content of the field
// changes (ignore selection changes).
if (value.text != _lastFieldText) {
_lastFieldText = value.text;
_updateOptionsViewVisibility();
}
}
This means that users cannot currently display a custom options view while waiting for options from optionsBuilder. This might be useful, for example, if the user wants to display a loading message while waiting for options:
Proposal
Allow users display a custom options view while waiting for options from optionsBuilder.
Reacted by Vinzent
Activity
justinmc commentedon May 2, 2024
Related: #108258
victorsanni commentedon May 8, 2026
Hi @chrisbobbe, will #183705 also fix this issue?