How can I automatically add widgets to the body of my scaffold? - flutter

Question

I'm trying to have the body of my scaffold return list Tiles that are built automatically, much like posts on a social media app. However, it only returns and empty container, with only its background colour.
Widget _buildListingWidgets(List<Widget> listing) {
return ListView.builder(
itemBuilder: (BuildContext context, int index) => listing[index],
itemCount: listing.length,
);
}
#override
Widget build(BuildContext context) {
final listing = <Listing>[];
for (var i = 0; i < _listingNames.length; i++) {
listing.add(Listing(
describe: _describe[i],
building: _building[i],
location: _location[i],
availability: _availability[i],
));
}
final listView = Container(
color: Colors.black,
padding: EdgeInsets.symmetric(horizontal: 8.0),
child: _buildListingWidgets(listing),
);
...
return Scaffold(
appBar: appBar,
body: listView,
...
);

Answer 1

Keep you code as it now, and modify the ListViewBuilder to look like this:
Widget _buildListingWidgets(List<Widget> listing) {
return ListView.builder(
itemCount: listing.length,
itemBuilder: (BuildContext context, int index) {
return Container(child:
Text(listing[index].describe),
);
}
);
}
It should work.

Answer 2

You seem to have overly complicated how to build your ListView, without using it's inherent functionality. You can do it this way:
class Issue66841743 extends StatelessWidget {
#override
Widget build(BuildContext context) {
return Container(
color: Colors.black,
padding: EdgeInsets.symmetric(horizontal: 8.0),
child: MyList(listingNames: listing,),
);
}
}
class MyList extends StatelessWidget {
final List listingNames;
const MyList({Key key, this.listingNames}) : super(key: key);
#override
Widget build(BuildContext context) {
return ListView.builder(
itemCount: listingNames.length,
itemBuilder: (context, index) {
return Listing(
describe: _describe[i],
building: _building[i],
location: _location[i],
availability: _availability[i],
);
}
);
}
}
Have in mind that you did not provide us with the other Lists, _describe, _building, _location and _availability. These also signal me that there are further issues in your code. As you very well could have a class with all the properties pertaining to a certain listing.