flutterdartdynamiccheckboxlist

How to make Dynamic checkbox with Api data?


How to make using Listview.builder() and handle it click in flutter


Solution

  • Simple way to achieve your goal, try this

    import 'package:flutter/material.dart';
    
    class SimpleTest extends StatefulWidget {
      const SimpleTest({Key? key}) : super(key: key);
    
      @override
      State<SimpleTest> createState() => _SimpleTestState();
    }
    
    class _SimpleTestState extends State<SimpleTest> {
      List<int> selectedItem = [];
    
      @override
      Widget build(BuildContext context) {
        return Scaffold(
          body: Column(
            children: [
              Expanded(
                  child: ListView.builder(
                      itemCount: 8,
                      shrinkWrap: true,
                      itemBuilder: (context, index) {
                        return Container(
                          padding: const EdgeInsets.all(8.0),
                          child: Row(
                            children: [
                              Expanded(
                                child: CheckboxListTile(
                                  title: Text("Check Box$index"),
                                  value: selectedItem.contains(index) ? true : false,
                                  onChanged: (newValue) {
                                    if (selectedItem.contains(index)) {
                                      selectedItem.remove(index);
                                    } else {
                                      selectedItem.add(index);
                                    }
                                    setState(() {});
                                  },
                                  controlAffinity: ListTileControlAffinity.leading, //  <-- leading Checkbox
                                ),
                              )
                            ],
                          ),
                        );
                      }))
            ],
          ),
        );
      }
    }