check box container in flutter code example

Example 1: flutter checkbox

bool _value = true;

Checkbox(
  value: _value,
  onChanged: (bool newValue) {
    setState(() {
      _value = newValue;
    });
  },
)

Example 2: check button flutter

// Please format your code

  CheckboxListTile _ = CheckboxListTile(
    title: const Text("title text"),
    value: checkedValue,
    onChanged: (newValue) {
      setState(() {
        checkedValue = newValue;
      });
    },
    controlAffinity: ListTileControlAffinity.leading, //  <-- leading Checkbox
  );