buildActions method
Widgets to display after the search query in the AppBar.
If the query is not empty, this should typically contain a button to clear the query and show the suggestions again (via showSuggestions) if the results are currently shown.
Returns null if no widget should be shown
See also:
- AppBar.actions, the intended use for the return value of this method.
Implementation
List<Widget> buildActions(BuildContext context);