我正在尝试创建一个可拖动的类似slider的小部件(如确认slider)。我的问题是是否有办法限制可拖动区域？import'package:flutter/material.dart';import'confirmation_slider.dart';voidmain()=>runApp(newMyApp());classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){returnnewMaterialApp(home:newScaffold(body:newListView(children:
