onChanged method

void onChanged(
  1. bool? value,
  2. T data
)

选项变更回调

Implementation

void onChanged(bool? value, T data) {
  if (value == true) {
    selectedData.add(data);
  } else {
    selectedData.remove(data);
  }
  widget.onChanged?.call(selectedData);
  setState(() {});
}