flutter: Variable can't be used as a setter because it's final

user_9581391 0
Viewed 6672
List<TestModel> lists = List();

FutureBuilder<List<TestModel>>(
          future: testNetworkRepository.fetchAlltext(TestModel.testKey),
          builder: (context, snapshot){
            if(snapshot.hasData){
              lists = snapshot.data;
              return Contanier();
            }
          }
)

Future _editText(int index, String testKey) async {
    await showDialog(
        context: context,
        child: SimpleDialog(
          children: [
            SimpleDialogOption(
              child: TextButton(
                    child: Text("Edit"),
                    onPressed: (){
                      setState(() {
                        lists[index].text = editTextController.text; <- error occured
                      });
                    },
                  ),
            )
          ],
        )
    );
  }

This is my code. I want to edit lists[index].text.

But error occured.

'text' can't be used as a setter because it's final.

How can I solve this problem?

dart flutter
2 Answers

This error happened because the text property of the TestModel class is final. Final objects arent meant to be changed in Flutter. to fix this problem you should go to the TestModel class and remove final from the text property.

user_107521690

Go in data class model change it like below:

static late List<item> items

if they not working then remove final keyword.

user_166648080
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