Insert data from futureBuilder into table - flutter

Question

I want to display the data obtained from futureBuilder into the table, this is the code that I tried but when I run browse an error appears like this
FutureBuilder(
future: UserController.getActivity(_selectedUser),
builder: (context, snapshot) {
if (snapshot.hasData != null) {
return ListView.builder(
itemCount: snapshot.data.length,
itemBuilder: (context, position){
var item = snapshot.data.elementAt(position);
return Container(
child: Table(
children: List<TableRow>.generate(10, (i) {
return TableRow(
decoration: BoxDecoration(
border: Border(
bottom: BorderSide(
width: 0.5, color: Colors.grey))),
children: [
Container(
padding: EdgeInsets.all(18),
child: Text(
//data[i].author.toString(),
"${item["activity"]["project"]}",
style: TextStyle(
fontSize: 14,
color: Colors.black,
),
),
),
Container(
padding: EdgeInsets.all(18),
child: Text(
//data[i].stars.toString(),
item["created_at"],
style: TextStyle(
fontSize: 14,
color: Colors.black,
),
),
)
]);
})),
);
}
);
}
},
),
if I use listView in displaying data, it becomes ineffective because the data is a lot

Answer 1

Error is here at this line
itemCount: snapshot.data.length,
length is not found in the snapshot. You need to check the return type of future UserController what it's returning.
For being to verify your code that it's working fine you can set the default value
Just to verify that UI working fine
itemCount: 10
after that you need to check your return type.